/* ==========================================
   Imaginary World - AI Story & 3D
   Mobile-First Responsive Styles
   ========================================== */

/* ==========================================
   CSS Variables
   ========================================== */
:root {
    /* =============================================
       Material Design 3 – Purple Theme
       ============================================= */

    /* Body background – smooth deep → light purple */
    --bg-gradient: linear-gradient(180deg,
            #1D1135 0%,
            #4A2D7A 25%,
            #7E57C2 50%,
            #B39DDB 75%,
            #EDE7F6 100%);

    /* Primary */
    --primary-color: #6750A4;
    --primary-dark: #381E72;
    --primary-light: #D0BCFF;
    --primary-container: #EADDFF;
    --on-primary-container: #21005D;

    /* Secondary */
    --secondary-color: #625B71;
    --secondary-container: #E8DEF8;

    /* Tertiary */
    --tertiary-color: #7D5260;

    /* Accent Colors */
    --accent-blue: #0288D1;
    --accent-orange: #EF6C00;
    --accent-red: #B3261E;
    --accent-green: #386A20;

    /* Surface Colors (Material 3 tonal surfaces) */
    --surface: #FFFBFE;
    --surface-container: #F3EDF7;
    --surface-container-high: #ECE6F0;
    --surface-variant: #E7E0EC;

    /* Neutral / Text */
    --bg-dark: #1D1B20;
    --bg-light: #F3EDF7;
    --text-primary: #1D1B20;
    --text-secondary: #49454F;
    --text-light: #79747E;
    --border-color: #CAC4D0;
    --outline: #79747E;
    --outline-variant: #CAC4D0;

    /* Elevation Shadows (Material 3 two-layer) */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15), 0 4px 8px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius (Material 3) */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-full: 50px;
}

/* ==========================================
   Global Reset & Base Styles
   ========================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
    /* Ensure fixed positioning works correctly */
    height: 100%;
}

/* Eliminate 300ms tap delay on all interactive elements */
a,
button,
label,
select,
summary,
input:not([type="range"]),
textarea,
[role="button"],
[role="tab"] {
    touch-action: manipulation;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    overflow-x: hidden;
    /* Prevent transform issues with fixed children */
    transform: none;
}

/* ==========================================
   Page System - Section Management
   ========================================== */
.page {
    display: none;
    min-height: 100vh;
    padding: var(--spacing-md);
    padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom));
}

.page.active {
    display: block;
}

.page.page-enter {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   Test Mode Badge (Fixed at Bottom-Right, next to Debug button)
   ========================================== */
.test-mode-badge {
    position: fixed;
    bottom: 5px;
    right: 50px;
    z-index: 10000;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    padding: 5px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(238, 90, 36, 0.3);
}

.test-mode-badge.hidden {
    display: none;
}

/* ==========================================
   Global Category Badge (Fixed at Top)
   ========================================== */

.global-category-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 24px;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: opacity 0.3s ease, transform 0.3s ease;
    /* Static positioning - part of page flow */
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
}

.global-category-badge.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
    pointer-events: none;
}

#global-category-icon {
    font-size: 1.2rem;
}

#global-category-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* Add padding to pages that show the category badge */
.page.has-category-badge {
    padding-top: 60px;
}

/* ==========================================
   Journey Progress Mini-Widget (P3)
   ========================================== */
.journey-widget {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 8px 14px;
    border-radius: 20px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    transition: opacity 0.3s ease, transform 0.3s ease;
    margin: 0 auto var(--spacing-md);
    max-width: fit-content;
}

.journey-widget.hidden {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
}

.journey-widget-dots {
    display: flex;
    align-items: center;
    gap: 6px;
}

.journey-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: transparent;
    transition: background 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.journey-dot.completed {
    background: var(--primary-color);
    box-shadow: 0 0 6px rgba(103, 80, 164, 0.4);
}

.journey-dot.active {
    background: transparent;
    border-color: var(--accent-orange);
    animation: dotPulse 1.5s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(255, 152, 0, 0.4);
    }

    50% {
        box-shadow: 0 0 0 5px rgba(255, 152, 0, 0);
    }
}

.journey-dot.upcoming {
    border-color: #ccc;
    background: transparent;
}

.journey-widget-items {
    display: flex;
    align-items: center;
    gap: 4px;
}

.journey-item-thumb {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    opacity: 0;
    transform: scale(0.5);
    animation: thumbPopIn 0.4s ease-out forwards;
}

@keyframes thumbPopIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==========================================
   Page Header
   ========================================== */
.page-header {
    text-align: center;
    color: white;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.page-header.compact {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.page-header.compact h2 {
    margin: 0;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

/* Back Button */
.back-btn {
    position: absolute;
    left: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==========================================
   World Selection Grid
   ========================================== */
.world-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.world-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: white;
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.world-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.world-card:active {
    transform: translateY(-2px);
}

.world-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.world-name {
    font-size: 1rem;
    font-weight: 600;
    color: #222;
    margin-bottom: var(--spacing-xs);
}

.world-desc {
    font-size: 0.75rem;
    color: #555;
    text-align: center;
}

/* ==========================================
   Story Container
   ========================================== */

/* Help Button */
.help-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
}

.help-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Story Page Content */
.story-page-content {
    max-width: 500px;
    margin: 0 auto;
}

.story-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* World Type Card */
.world-type-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.world-type-icon {
    font-size: 2rem;
}

.world-type-info {
    display: flex;
    flex-direction: column;
}

.world-type-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.world-setting {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Story Container */
.story-container {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.story-container-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
    padding: 8px 12px 0;
}

/* TTS Narration Button */
.tts-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    flex-shrink: 0;
}

.tts-btn:active {
    transform: scale(0.92);
}

.tts-btn.speaking {
    background: var(--primary);
    border-color: var(--primary);
    animation: tts-pulse 1.5s ease-in-out infinite;
}

.tts-icon {
    font-size: 1rem;
    line-height: 1;
}

@keyframes tts-pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* Language Switcher */
.lang-switcher {
    display: inline-flex;
    gap: 2px;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 2px;
    border: 1px solid var(--border-color);
}

.lang-btn {
    padding: 4px 10px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    line-height: 1.2;
}

.lang-btn:active {
    transform: scale(0.95);
}

.lang-btn.active {
    background: var(--primary-color);
    color: white;
}

.lang-btn.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Translation loading state on text content */
.translating {
    opacity: 0.4;
    transition: opacity 0.2s;
}

.translate-error {
    animation: translate-error-flash 0.5s ease 3;
}

@keyframes translate-error-flash {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
        color: #c62828;
    }
}

.story-content {
    padding: var(--spacing-lg);
    font-size: 1rem;
    line-height: 1.8;
    color: #222;
    max-height: 200px;
    overflow-y: auto;
}

.story-content p {
    margin-bottom: var(--spacing-md);
}

.story-content p:last-child {
    margin-bottom: 0;
}

.loading-text {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Goal Container */
.goal-container {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.goal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.goal-icon {
    font-size: 1.2rem;
}

.goal-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
}

.goal-text {
    font-size: 0.95rem;
    color: #222;
    line-height: 1.5;
}

/* Story Progress Section */
.story-progress-section {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

#progress-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 10px;
    border-radius: var(--radius-full);
}

/* Event Timeline */
.event-timeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.timeline-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.node-circle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

.timeline-node.active .node-circle,
.timeline-node.completed .node-circle {
    color: white;
}

.node-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
}

.timeline-node.final .node-circle {
    color: white;
}

.timeline-line {
    flex: 1;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 4px;
}

/* Progress Bar Container */
.progress-bar-container {
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-green);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.progress-percent {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: right;
    display: block;
}

/* Story Actions */
.story-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.story-actions .action-btn {
    flex: 1;
}

/* ==========================================
   Action Buttons
   ========================================== */
.action-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.action-btn:hover {
    transform: translateY(-2px);
}

.action-btn:active {
    transform: translateY(0);
}

.action-btn:disabled {
    background: #ccc !important;
    color: #888 !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
    opacity: 0.5;
    transition: none;
}

.action-btn:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

.action-btn.primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.action-btn.primary:hover {
    box-shadow: 0 6px 20px rgba(103, 80, 164, 0.4);
}

.action-btn.secondary {
    background: white;
    color: #333;
    border: 2px solid var(--border-color);
}

.action-btn.secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.action-btn.full-width {
    width: 100%;
}

/* ==========================================
   Progress Bar
   ========================================== */
.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.step-num {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.progress-step.active .step-num {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
}

.progress-step.completed .step-num {
    background: var(--accent-green);
    color: white;
}

.step-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
}

.progress-line {
    width: 40px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 var(--spacing-sm);
}

/* ==========================================
   Story Mini Card
   ========================================== */
.story-mini {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   Upload Area (Photo Upload Page)
   ========================================== */

/* Event Counter in Header */
.event-counter {
    position: absolute;
    right: 0;
    font-size: 0.9rem;
    color: white;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

/* Photo Upload Content */
.photo-upload-content {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Large Upload Area */
.upload-area-large {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 180px;
    height: 180px;
    border: 3px dashed var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.upload-box:hover {
    border-color: var(--primary-color);
    background: rgba(103, 80, 164, 0.06);
}

.upload-icon-large {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.upload-text-main {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: var(--spacing-xs);
}

.upload-format {
    font-size: 0.85rem;
    color: #888;
}

/* Tips Container */
.tips-container {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.tips-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.tips-icon {
    font-size: 1.2rem;
}

.tips-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.tips-text {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.tips-highlight {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* Photo Actions */
.photo-actions {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
}

.photo-actions .action-btn {
    flex: 1;
}

/* Photo Preview Container Update */
.photo-preview-container {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.photo-preview-container img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 300px;
    object-fit: contain;
}

/* Legacy upload area (keep for backwards compatibility) */
.upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ==========================================
   Processing Page (Page 4)
   ========================================== */
.processing-content {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    flex-direction: column;
}

/* Keep a stable visual order on the Processing page regardless of DOM
   insertion timing: photo echo → puzzle (game OR appreciation) → AR launch card.
   The puzzle-game-section and puzzle-appreciation share the same slot since
   only one is visible at a time (active puzzle vs. solved/appreciation view).
   This prevents the AR card from "floating" between cards when sections
   are shown/hidden. */
.processing-content > #photo-echo            { order: 1; }
.processing-content > #puzzle-game-section   { order: 2; }
.processing-content > #puzzle-appreciation   { order: 2; }
.processing-content > #start-ar-section      { order: 3; }
.processing-content > .processing-steps-container { order: 4; }

/* Uniform spacing between Processing page cards */
.processing-content > #photo-echo,
.processing-content > #puzzle-game-section,
.processing-content > #puzzle-appreciation,
.processing-content > #start-ar-section {
    margin-top: var(--spacing-lg);
}
.processing-content > #photo-echo {
    margin-top: 0;
}

/* User Photo Echo-back */
.photo-echo {
    text-align: center;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.photo-echo-frame {
    position: relative;
    display: inline-block;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    max-width: 280px;
    width: 100%;
}

.photo-echo-frame img {
    width: 100%;
    display: block;
    transition: filter 1.2s ease-in-out;
}

.photo-echo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    transition: background 1.2s ease-in-out;
}

.photo-echo-label {
    color: white;
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    opacity: 0.85;
    font-style: italic;
}

/* World-specific photo filters */
.photo-echo.world-Historical .photo-echo-frame img {
    filter: sepia(0.35) saturate(1.2) brightness(1.05) contrast(1.05);
}

.photo-echo.world-Historical .photo-echo-overlay {
    background: linear-gradient(135deg, rgba(139, 90, 43, 0.12) 0%, rgba(184, 134, 11, 0.08) 100%);
}

.photo-echo.world-Overlaid .photo-echo-frame img {
    filter: contrast(1.1) saturate(1.3) brightness(1.05);
}

.photo-echo.world-Overlaid .photo-echo-overlay {
    background: linear-gradient(135deg, rgba(128, 0, 255, 0.1) 0%, rgba(0, 200, 255, 0.08) 100%);
}

.photo-echo.world-Alternate .photo-echo-frame img {
    filter: hue-rotate(15deg) saturate(1.15) contrast(1.08);
}

.photo-echo.world-Alternate .photo-echo-overlay {
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.1) 0%, rgba(0, 128, 128, 0.08) 100%);
}

.photo-echo.world-SciFi_Earth .photo-echo-frame img {
    filter: saturate(0.85) brightness(1.1) contrast(1.15) hue-rotate(-10deg);
}

.photo-echo.world-SciFi_Earth .photo-echo-overlay {
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.12) 0%, rgba(0, 255, 200, 0.06) 100%);
}

.photo-echo.world-SciFi_Galaxy .photo-echo-frame img {
    filter: saturate(0.7) brightness(1.15) contrast(1.2) hue-rotate(-20deg);
}

.photo-echo.world-SciFi_Galaxy .photo-echo-overlay {
    background: linear-gradient(135deg, rgba(20, 0, 80, 0.15) 0%, rgba(0, 100, 255, 0.1) 100%);
}

.photo-echo.world-Fantasy .photo-echo-frame img {
    filter: saturate(1.4) brightness(1.1) contrast(1.05);
}

.photo-echo.world-Fantasy .photo-echo-overlay {
    background: linear-gradient(135deg, rgba(200, 100, 255, 0.1) 0%, rgba(255, 200, 50, 0.08) 100%);
}

/* ============================================================
   SAM 3 Cutout-Reveal Animation  (cutout-reveal.js)
   Inspired by CapCut's subject-isolation animation.
   ============================================================ */

/* Overlay sits on top of everything inside the frame */
.cr-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
}

/* ── Scan beam ── */
.cr-beam {
    position: absolute;
    left: 0;
    right: 0;
    top: -6%;         /* starts just above frame */
    height: 6%;
    min-height: 14px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(120, 200, 255, 0.18) 30%,
        rgba(100, 180, 255, 0.55) 50%,
        rgba(120, 200, 255, 0.18) 70%,
        transparent 100%
    );
    box-shadow:
        0 0 18px 4px rgba(100, 180, 255, 0.45),
        0 0  6px 1px rgba(255, 255, 255, 0.5);
    will-change: transform;
    /* Invisible until the JS adds the --scanning class */
    opacity: 0;
}

@keyframes cr-beam-sweep {
    0%   { top: -6%;   opacity: 0; }
    4%   { opacity: 1; }
    94%  { opacity: 1; }
    100% { top: 104%;  opacity: 0; }
}

.cr-beam--scanning {
    animation: cr-beam-sweep 1.2s cubic-bezier(0.4, 0, 0.6, 1) forwards;
}

/* ── Particle dots riding along the beam ── */
.cr-particles {
    position: absolute;
    inset: 0;
    /* height matches parent beam */
}

.cr-particle {
    position: absolute;
    top: 35%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(200, 240, 255, 0.9);
    box-shadow: 0 0 6px 2px rgba(100, 200, 255, 0.7);
    opacity: 0;
    transform: scale(0);
}

@keyframes cr-particle-pop {
    0%   { opacity: 0;   transform: scale(0)   translateY(0); }
    30%  { opacity: 1;   transform: scale(1)   translateY(0); }
    100% { opacity: 0;   transform: scale(0.5) translateY(-8px); }
}

.cr-beam--scanning .cr-particle {
    animation: cr-particle-pop 0.55s ease-out forwards;
}

/* ── Background dim / blur (appears while scanning) ── */
.cr-bg-dim {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    /* The actual original image inside the frame will get a filter applied */
    opacity: 0;
    transition: opacity 0s;  /* controlled by --active class */
}

.cr-bg-dim--active {
    animation: cr-bg-dim-in 0.9s ease forwards;
}

@keyframes cr-bg-dim-in {
    to {
        opacity: 1;
        background: rgba(0, 0, 0, 0.38);
    }
}

/* Blur & desaturate the underlying img via sibling trick.
   When cr-bg-dim--active is on the dim layer the nearest positioned
   ancestor that holds the original <img> gets the filter. */
.photo-echo-frame:has(.cr-bg-dim--active) > img,
.cr-fictional-stage:has(.cr-bg-dim--active) > img {
    filter: grayscale(0.65) blur(1.5px) brightness(0.8) !important;
    transition: filter 0.9s ease !important;
}

/* ── Cutout PNG ── */
.cr-cutout {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: translateY(6px) scale(0.96);
    opacity: 0;
    filter: blur(3px);
    will-change: transform, opacity, filter;
    /* transparent areas in the PNG are already transparent */
}

.cr-hidden {
    display: none !important;
}

@keyframes cr-cutout-appear {
    0%   { opacity: 0;   transform: translateY(6px)  scale(0.96); filter: blur(3px)   drop-shadow(0 0  0px rgba(255,255,255,0)); }
    55%  { opacity: 1;   transform: translateY(-6px) scale(1.02); filter: blur(0)     drop-shadow(0 0  0px rgba(255,255,255,0)); }
    100% { opacity: 1;   transform: translateY(-4px) scale(1.01); filter: blur(0)     drop-shadow(0 2px 12px rgba(0,0,0,0.35)); }
}

.cr-cutout--appearing {
    display: block !important;
    animation: cr-cutout-appear 0.75s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

@keyframes cr-glow-pulse {
    0%   { filter: blur(0) drop-shadow(0 2px 12px rgba(0,0,0,0.35)); }
    40%  { filter: blur(0) drop-shadow(0 0 14px rgba(255,255,255,0.85)) drop-shadow(0 0 6px rgba(120,160,255,0.7)); }
    100% { filter: blur(0) drop-shadow(0 0  6px rgba(255,255,255,0.35)) drop-shadow(0 2px 8px rgba(0,0,0,0.3)); }
}

.cr-cutout--glowing {
    animation: cr-glow-pulse 0.8s ease forwards;
}

/* ── Badge ── */
.cr-badge {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px 4px 7px;
    background: rgba(0, 0, 0, 0.62);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.18);
    white-space: nowrap;
    opacity: 0;
    transition: none;
}

@keyframes cr-badge-in {
    0%   { opacity: 0; transform: translateX(-50%) translateY(8px); }
    100% { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.cr-badge--visible {
    animation: cr-badge-in 0.35s ease forwards;
}

.cr-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4ade80;  /* green "live" dot */
    box-shadow: 0 0 5px rgba(74,222,128,0.9);
    flex-shrink: 0;
}

.cr-badge-text {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.92);
    font-family: 'Inter', system-ui, sans-serif;
}

/* ── Fallback (no cutout PNG available) ── */
/* Simulates a sweep-reveal by animating clip-path on the original image */
.cr-fallback > img,
.cr-fallback .cr-fallback-target {
    transition: clip-path 1.1s cubic-bezier(0.4, 0, 0.2, 1),
                filter     0.9s ease !important;
    clip-path: inset(30% 25% 30% 25% round 50%);
}

.cr-fallback--active > img,
.cr-fallback--active .cr-fallback-target {
    clip-path: inset(4% 6% 4% 6% round 12px);
    filter: none !important;
}

/* ── Fictional image stage wrapper (added by JS) ── */
.cr-fictional-stage {
    position: relative;
    display: inline-block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 100%;
    max-width: 220px;
}

.cr-fictional-stage img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* Main Processing Animation - World Badge System */
.processing-main {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

/* World Badge Container */
.world-badge {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Badge Icon Base */
.badge-icon {
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.badge-icon.active {
    display: flex;
}

.badge-primary {
    font-size: 3rem;
    z-index: 2;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.badge-secondary {
    position: absolute;
    font-size: 1.8rem;
    z-index: 1;
    opacity: 0.8;
    bottom: 8px;
    right: 8px;
}

/* ========== Historical Badge: Sand Dust Effect ========== */
.badge-historical {
    background: linear-gradient(135deg, rgba(139, 90, 43, 0.3), rgba(184, 134, 11, 0.2));
    border: 2px solid rgba(184, 134, 11, 0.4);
    animation: historicalGlow 2s ease-in-out infinite;
}

@keyframes historicalGlow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(184, 134, 11, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(184, 134, 11, 0.5);
    }
}

.badge-historical .badge-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.badge-historical .particle.dust {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(210, 180, 140, 0.8);
    border-radius: 50%;
    animation: dustFloat 3s ease-in-out infinite;
}

.badge-historical .particle.dust:nth-child(1) {
    left: 20%;
    top: 30%;
    animation-delay: 0s;
}

.badge-historical .particle.dust:nth-child(2) {
    left: 70%;
    top: 20%;
    animation-delay: 0.5s;
}

.badge-historical .particle.dust:nth-child(3) {
    left: 80%;
    top: 60%;
    animation-delay: 1s;
}

.badge-historical .particle.dust:nth-child(4) {
    left: 30%;
    top: 70%;
    animation-delay: 1.5s;
}

.badge-historical .particle.dust:nth-child(5) {
    left: 50%;
    top: 50%;
    animation-delay: 2s;
}

@keyframes dustFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.8;
    }

    25% {
        transform: translate(10px, -15px) scale(1.2);
        opacity: 0.4;
    }

    50% {
        transform: translate(-5px, -25px) scale(0.8);
        opacity: 0;
    }

    75% {
        transform: translate(5px, 10px) scale(0.5);
        opacity: 0;
    }
}

/* ========== Overlaid Badge: Layer Breathing Effect ========== */
.badge-overlaid {
    background: linear-gradient(135deg, rgba(128, 0, 255, 0.3), rgba(0, 200, 255, 0.2));
    border: 2px solid rgba(128, 0, 255, 0.4);
    animation: overlaidPulse 2.5s ease-in-out infinite;
}

@keyframes overlaidPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.badge-overlaid .badge-layers {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.badge-overlaid .layer {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(128, 0, 255, 0.3);
    animation: layerBreathe 3s ease-in-out infinite;
}

.badge-overlaid .layer:nth-child(1) {
    animation-delay: 0s;
}

.badge-overlaid .layer:nth-child(2) {
    animation-delay: 1s;
}

.badge-overlaid .layer:nth-child(3) {
    animation-delay: 2s;
}

@keyframes layerBreathe {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.6;
    }

    50% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* ========== SciFi_Earth Badge: Data Pulse Effect ========== */
.badge-scifi-earth {
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.3), rgba(0, 255, 200, 0.2));
    border: 2px solid rgba(0, 200, 255, 0.5);
    animation: scifiGlow 1.5s ease-in-out infinite;
}

@keyframes scifiGlow {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(0, 200, 255, 0.4);
    }

    50% {
        box-shadow: 0 0 30px rgba(0, 255, 200, 0.6);
    }
}

.badge-scifi-earth .badge-circuit {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.badge-scifi-earth .circuit-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 200, 0.8), transparent);
    height: 2px;
    animation: circuitPulse 1.2s linear infinite;
}

.badge-scifi-earth .circuit-line:nth-child(1) {
    top: 25%;
    left: 0;
    width: 100%;
}

.badge-scifi-earth .circuit-line:nth-child(2) {
    top: 75%;
    left: 0;
    width: 100%;
    animation-delay: 0.6s;
}

.badge-scifi-earth .circuit-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: #00ffc8;
    border-radius: 50%;
    box-shadow: 0 0 10px #00ffc8;
    animation: dotPulse 0.8s ease-in-out infinite;
}

.badge-scifi-earth .circuit-dot:nth-child(3) {
    top: 25%;
    left: 50%;
    transform: translateX(-50%);
}

.badge-scifi-earth .circuit-dot:nth-child(4) {
    top: 75%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 0.4s;
}

@keyframes circuitPulse {
    0% {
        opacity: 0;
        transform: scaleX(0);
    }

    50% {
        opacity: 1;
        transform: scaleX(1);
    }

    100% {
        opacity: 0;
        transform: scaleX(0);
    }
}

@keyframes dotPulse {

    0%,
    100% {
        transform: translateX(-50%) scale(1);
        opacity: 1;
    }

    50% {
        transform: translateX(-50%) scale(1.5);
        opacity: 0.5;
    }
}

/* ========== SciFi_Galaxy Badge: Starlight Twinkle Effect ========== */
.badge-scifi-galaxy {
    background: linear-gradient(135deg, rgba(20, 0, 80, 0.4), rgba(0, 100, 255, 0.3));
    border: 2px solid rgba(100, 100, 255, 0.5);
    animation: galaxyRotate 20s linear infinite;
}

@keyframes galaxyRotate {
    from {
        box-shadow: 0 0 20px rgba(100, 100, 255, 0.4);
    }

    to {
        box-shadow: 0 0 20px rgba(100, 100, 255, 0.4);
    }
}

.badge-scifi-galaxy .badge-stars {
    position: absolute;
    width: 140%;
    height: 140%;
    left: -20%;
    top: -20%;
    pointer-events: none;
    animation: starsOrbit 10s linear infinite;
}

@keyframes starsOrbit {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.badge-scifi-galaxy .star {
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 6px white, 0 0 12px rgba(150, 150, 255, 0.8);
    animation: starTwinkle 1.5s ease-in-out infinite;
}

.badge-scifi-galaxy .star:nth-child(1) {
    top: 10%;
    left: 50%;
    animation-delay: 0s;
}

.badge-scifi-galaxy .star:nth-child(2) {
    top: 30%;
    left: 85%;
    animation-delay: 0.3s;
}

.badge-scifi-galaxy .star:nth-child(3) {
    top: 70%;
    left: 90%;
    animation-delay: 0.6s;
}

.badge-scifi-galaxy .star:nth-child(4) {
    top: 85%;
    left: 50%;
    animation-delay: 0.9s;
}

.badge-scifi-galaxy .star:nth-child(5) {
    top: 50%;
    left: 10%;
    animation-delay: 1.2s;
}

@keyframes starTwinkle {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.3;
        transform: scale(0.5);
    }
}

/* ========== Fantasy Badge: Magic Particle Orbit Effect ========== */
.badge-fantasy {
    background: linear-gradient(135deg, rgba(200, 100, 255, 0.3), rgba(255, 200, 50, 0.2));
    border: 2px solid rgba(200, 100, 255, 0.5);
    animation: fantasyShimmer 2s ease-in-out infinite;
}

@keyframes fantasyShimmer {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(200, 100, 255, 0.4);
    }

    50% {
        box-shadow: 0 0 35px rgba(255, 200, 50, 0.5);
    }
}

.badge-fantasy .badge-magic {
    position: absolute;
    width: 130%;
    height: 130%;
    left: -15%;
    top: -15%;
    pointer-events: none;
    animation: magicOrbit 4s linear infinite;
}

@keyframes magicOrbit {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.badge-fantasy .sparkle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: radial-gradient(circle, #fff 0%, #ffd700 50%, transparent 70%);
    border-radius: 50%;
    animation: sparkleGlow 1s ease-in-out infinite;
}

.badge-fantasy .sparkle:nth-child(1) {
    top: 5%;
    left: 50%;
    animation-delay: 0s;
}

.badge-fantasy .sparkle:nth-child(2) {
    top: 25%;
    left: 90%;
    animation-delay: 0.15s;
}

.badge-fantasy .sparkle:nth-child(3) {
    top: 65%;
    left: 95%;
    animation-delay: 0.3s;
}

.badge-fantasy .sparkle:nth-child(4) {
    top: 90%;
    left: 50%;
    animation-delay: 0.45s;
}

.badge-fantasy .sparkle:nth-child(5) {
    top: 65%;
    left: 5%;
    animation-delay: 0.6s;
}

.badge-fantasy .sparkle:nth-child(6) {
    top: 25%;
    left: 10%;
    animation-delay: 0.75s;
}

@keyframes sparkleGlow {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 8px #ffd700;
    }

    50% {
        transform: scale(1.5);
        opacity: 0.6;
        box-shadow: 0 0 15px #fff;
    }
}

/* ========== Alternate Badge: Split Shake Effect ========== */
.badge-alternate {
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.3), rgba(0, 128, 128, 0.2));
    border: 2px solid rgba(255, 165, 0, 0.4);
    animation: alternateSplit 2s ease-in-out infinite;
}

@keyframes alternateSplit {

    0%,
    100% {
        transform: scale(1) rotate(0deg);
    }

    25% {
        transform: scale(1.02) rotate(-2deg);
    }

    75% {
        transform: scale(1.02) rotate(2deg);
    }
}

.badge-alternate .badge-split {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.badge-alternate .badge-primary {
    animation: splitLeft 1.5s ease-in-out infinite;
}

.badge-alternate .badge-secondary {
    animation: splitRight 1.5s ease-in-out infinite;
}

@keyframes splitLeft {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(-5px);
    }
}

@keyframes splitRight {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(5px);
    }
}

.badge-alternate .split-line {
    position: absolute;
    width: 2px;
    height: 60%;
    top: 20%;
    left: 50%;
    background: linear-gradient(180deg, transparent, rgba(255, 165, 0, 0.6), transparent);
    animation: splitFlicker 1s ease-in-out infinite;
}

.badge-alternate .split-line:nth-child(1) {
    transform: translateX(-10px);
    animation-delay: 0s;
}

.badge-alternate .split-line:nth-child(2) {
    transform: translateX(10px);
    animation-delay: 0.5s;
}

@keyframes splitFlicker {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.8;
    }
}

.processing-text {
    color: white;
    font-size: 1.2rem;
    font-weight: 500;
    display: none;
}

/* Processing Steps Container - Card style matching Event Info */
.processing-steps-container {
    background: transparent;
    border-radius: var(--radius-md);
    padding: 0;
    margin-bottom: var(--spacing-md);
}

/* Collapsible steps header - matches collapsible-header style */
.steps-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.2s ease;
    border-bottom: none;
}

.steps-header:hover {
    background: rgba(255, 255, 255, 0.25);
}

.processing-steps-container:not(.collapsed) .steps-header {
    margin-bottom: var(--spacing-sm);
}

.steps-header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.steps-mini-progress {
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.steps-toggle-icon {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    transition: transform 0.3s ease;
}

.processing-steps-container.collapsed .steps-toggle-icon {
    transform: rotate(0deg);
}

.processing-steps-container:not(.collapsed) .steps-toggle-icon {
    transform: rotate(180deg);
}

/* Collapsible body */
.steps-body {
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
    max-height: 2000px;
    opacity: 1;
    margin-top: var(--spacing-sm);
}

.processing-steps-container.collapsed .steps-body {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

/* Processing Story Section (immersion during processing) */
.processing-story-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease;
}

.processing-story-section.hidden {
    display: none;
}

.processing-story-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.processing-story-icon {
    font-size: 1.3rem;
}

.processing-story-label {
    font-weight: 600;
    color: var(--primary-dark);
    flex: 1;
}

.processing-story-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    font-weight: 500;
}

.processing-goal-text {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin: 0;
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--primary-color);
    font-style: italic;
}

.processing-phase {
    transition: all 0.5s ease-out;
}

.processing-phase.phase-hidden {
    display: none;
}

.processing-phase.phase-revealing {
    animation: phaseSlideIn 0.5s ease-out forwards;
}

@keyframes phaseSlideIn {
    from {
        opacity: 0;
        transform: translateY(16px);
        max-height: 0;
    }

    50% {
        max-height: 300px;
    }

    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 500px;
    }
}

.steps-icon {
    font-size: 1.2rem;
}

.steps-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
}

/* Process Step Card */
.process-step-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid #ddd;
    transition: all 0.3s;
}

.process-step-card[data-status="active"] {
    border-left-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.95);
}

.process-step-card[data-status="completed"] {
    border-left-color: var(--accent-green);
    background: rgba(255, 255, 255, 0.95);
}

.process-step-card[data-status="error"] {
    border-left-color: var(--accent-red);
    background: rgba(255, 255, 255, 0.95);
}

.step-status-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    min-width: 0;
}

.step-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    margin-bottom: var(--spacing-xs);
}

.step-details {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: var(--spacing-xs);
}

.step-details p {
    margin: 2px 0;
}

.step-detail-typewriter {
    margin: 2px 0;
    border-right: 2px solid var(--primary-color);
    animation: detailCursorBlink 0.6s step-end infinite;
    display: inline-block;
    padding-right: 2px;
}

.step-detail-typewriter.typing-done {
    border-right: none;
    animation: none;
    display: block;
}

.step-detail-typewriter:not(:last-child) {
    border-right: none;
    animation: none;
    display: block;
}

@keyframes detailCursorBlink {

    0%,
    100% {
        border-color: var(--primary-color);
    }

    50% {
        border-color: transparent;
    }
}

.step-details .detail-item {
    display: flex;
    gap: var(--spacing-xs);
}

/* Step Progress Bar */
.step-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.step-progress-bar {
    flex: 1;
    height: 8px;
    background: #e0e0e0;
    border-radius: var(--radius-full);
    overflow: hidden;
}

.step-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

.step-percent {
    font-size: 0.8rem;
    font-weight: 600;
    color: #666;
    min-width: 35px;
    text-align: right;
}

/* Overall Progress Section */
.overall-progress-section {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.overall-progress-header {
    display: flex;
    justify-content: space-between;
    color: white;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.overall-progress-bar {
    height: 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.overall-progress-fill {
    height: 100%;
    background: var(--accent-green);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.time-remaining {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    margin: 0;
}

/* ==========================================
   Story Preview Section (during processing)
   ========================================== */
.story-preview-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease;
}

.story-preview-section.hidden {
    display: none;
}

.story-preview-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.story-preview-icon {
    font-size: 1.3rem;
}

.story-preview-label {
    font-weight: 600;
    color: var(--primary-dark);
    flex: 1;
}

.story-preview-content {
    position: relative;
    min-height: 60px;
}

.story-preview-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0;
    display: inline;
}

/* Typing cursor animation */
.typing-cursor {
    display: inline-block;
    color: var(--primary-color);
    font-weight: bold;
    animation: blink 0.8s infinite;
    margin-left: 2px;
}

.typing-cursor.hidden {
    display: none;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

/* Fictional Image Preview - Mobile optimized */
.fictional-image-preview {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(103, 80, 164, 0.08), rgba(255, 255, 255, 0.95));
    border-radius: var(--radius-lg);
    text-align: center;
    animation: fadeInUp 0.5s ease;
}

.fictional-image-preview.hidden {
    display: none;
}

.fictional-image-preview img {
    width: 100%;
    max-width: 220px;
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(103, 80, 164, 0.25);
    object-fit: cover;
    border: 3px solid var(--accent-green);
    animation: imageReveal 0.8s ease-out;
}

.fictional-image-preview img.hidden {
    display: none;
}

@keyframes imageReveal {
    from {
        opacity: 0;
        transform: scale(0.92);
        filter: blur(8px);
    }

    to {
        opacity: 1;
        transform: scale(1);
        filter: blur(0);
    }
}

/* Image Skeleton Screen */
.image-skeleton {
    width: 100%;
    max-width: 280px;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #e8e0f0 0%, #d4c8e8 50%, #e8e0f0 100%);
    border: 3px solid white;
    box-shadow: 0 8px 24px rgba(103, 80, 164, 0.15);
}

.image-skeleton.hidden {
    display: none;
}

.skeleton-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(110deg,
            transparent 25%,
            rgba(255, 255, 255, 0.4) 37%,
            transparent 50%);
    background-size: 200% 100%;
    animation: shimmer 1.8s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton-label {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.85);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-dark);
    font-weight: 500;
    white-space: nowrap;
    backdrop-filter: blur(4px);
    animation: pulse 1.5s ease-in-out infinite;
}

.fictional-image-caption {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--primary-dark);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* ==========================================
   Finish Reading Button
   ========================================== */
.finish-reading-section {
    text-align: center;
    margin-top: var(--spacing-lg);
    animation: fadeInUp 0.5s ease 0.3s both;
}

.finish-reading-section.hidden {
    display: none;
}

.finish-reading-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 14px 32px;
    border: none;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(103, 80, 164, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.finish-reading-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(103, 80, 164, 0.45);
}

.finish-reading-btn:active {
    transform: translateY(0);
}

.finish-reading-icon {
    font-size: 1.2rem;
}

/* ==========================================
   Step 4 AR Interaction Badge
   ========================================== */
.step-ar-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-top: 2px;
}
.step-ar-badge[data-type="Blow"]   { background: rgba(0,200,255,0.15); color: #00b8e6; border: 1px solid rgba(0,200,255,0.35); }
.step-ar-badge[data-type="Rub"]    { background: rgba(255,140,0,0.15);  color: #e07000; border: 1px solid rgba(255,140,0,0.35); }
.step-ar-badge[data-type="Rotate"] { background: rgba(150,80,220,0.15); color: #9050dc; border: 1px solid rgba(150,80,220,0.35); }
.step-ar-badge[data-type="Track"]  { background: rgba(40,180,80,0.15);  color: #209040; border: 1px solid rgba(40,180,80,0.35); }
.step-ar-badge[data-type="Tap"]    { background: rgba(255,80,120,0.15); color: #d03060; border: 1px solid rgba(255,80,120,0.35); }
.step-detail-row {
    margin: 4px 0;
    font-size: 0.88rem;
    line-height: 1.45;
}
.step-detail-label {
    font-weight: 600;
    margin-right: 4px;
}

/* ==========================================
   Photo Puzzle Mini-Game
   ========================================== */
.puzzle-game-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.5s ease;
}

.puzzle-game-section.hidden {
    display: none;
}

.puzzle-game-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.puzzle-icon {
    font-size: 1.3rem;
    animation: puzzleShake 2s ease-in-out infinite;
}

@keyframes puzzleShake {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-5deg);
    }

    75% {
        transform: rotate(5deg);
    }
}

.puzzle-title {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1rem;
}

.puzzle-hint {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

.puzzle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-sm);
    position: relative;
}

.puzzle-board {
    --puzzle-gap: 3px;
    --puzzle-padding: 3px;
    position: relative;
    width: 280px;
    height: 280px;
    background: var(--primary-dark);
    border-radius: var(--radius-sm);
    padding: var(--puzzle-padding);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.puzzle-tile,
.puzzle-empty-slot {
    position: absolute;
    top: var(--puzzle-padding);
    left: var(--puzzle-padding);
    width: calc(33.333333% - 4px);
    height: calc(33.333333% - 4px);
    border-radius: 4px;
    transform: translate(var(--puzzle-x, 0), var(--puzzle-y, 0));
}

.puzzle-tile {
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    color: transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    overflow: hidden;
    display: block;
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    touch-action: manipulation;
    outline: none;
    will-change: transform;
    backface-visibility: hidden;
    z-index: 1;
}

.puzzle-tile-image {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    background-repeat: no-repeat;
    background-size: 300% 300%;
    background-position: var(--puzzle-bg-x, 0%) var(--puzzle-bg-y, 0%);
    overflow: hidden;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
    transition: transform 0.15s ease;
}

.puzzle-tile:hover .puzzle-tile-image {
    transform: scale(1.02);
}

.puzzle-tile:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.puzzle-tile:focus {
    outline: none;
}

.puzzle-tile:focus-visible .puzzle-tile-image {
    box-shadow: none;
}

.puzzle-tile:active .puzzle-tile-image {
    transform: scale(0.98);
}

.puzzle-empty-slot {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    z-index: 0;
}

.puzzle-tile.moving {
    z-index: 3;
}

.puzzle-tile-image.cascade-pulse {
    animation: puzzleTileCascadePulse 0.2s ease;
}

@keyframes puzzleTileCascadePulse {
    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.puzzle-tile.correct::after,
.puzzle-tile:focus-visible::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    z-index: 2;
}

.puzzle-tile.correct::after {
    box-shadow: inset 0 0 0 3px var(--accent-green);
}

.puzzle-tile:focus-visible::after {
    box-shadow: inset 0 0 0 3px rgba(103, 80, 164, 0.85);
}

/* Tile dissolve animation — base */
.puzzle-tile.dissolving {
    pointer-events: none;
}

.puzzle-tile.dissolving .puzzle-tile-image {
    animation: tileDissolveDefault 0.8s ease-out forwards;
}

@keyframes tileDissolveDefault {
    0% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.85) rotate(5deg);
        filter: blur(3px);
    }

    100% {
        opacity: 0;
        transform: scale(0.3) rotate(15deg);
        filter: blur(8px);
    }
}

/* World-themed dissolve: Historical — crumble like aged parchment */
.puzzle-game-section.world-Historical .puzzle-tile.dissolving .puzzle-tile-image {
    animation: tileDissolveParchment 1s ease-out forwards;
}

@keyframes tileDissolveParchment {
    0% {
        opacity: 1;
        transform: scale(1);
        filter: sepia(0) blur(0);
    }

    30% {
        opacity: 0.8;
        transform: scale(0.95) rotate(2deg);
        filter: sepia(0.8) blur(1px);
    }

    70% {
        opacity: 0.3;
        transform: scale(0.6) rotate(8deg) translateY(10px);
        filter: sepia(1) blur(4px);
    }

    100% {
        opacity: 0;
        transform: scale(0.2) rotate(15deg) translateY(20px);
        filter: sepia(1) blur(10px);
    }
}

/* World-themed dissolve: Fantasy — magic sparkle */
.puzzle-game-section.world-Fantasy .puzzle-tile.dissolving .puzzle-tile-image {
    animation: tileDissolveFantasy 1s ease-out forwards;
}

@keyframes tileDissolveFantasy {
    0% {
        opacity: 1;
        transform: scale(1) rotate(0);
        filter: hue-rotate(0deg) blur(0);
    }

    25% {
        opacity: 0.9;
        transform: scale(1.08);
        filter: hue-rotate(45deg) brightness(1.3) blur(1px);
    }

    60% {
        opacity: 0.4;
        transform: scale(0.7) rotate(-10deg);
        filter: hue-rotate(180deg) brightness(1.6) blur(3px);
    }

    100% {
        opacity: 0;
        transform: scale(0.1) rotate(-20deg);
        filter: hue-rotate(270deg) brightness(2) blur(8px);
    }
}

/* World-themed dissolve: SciFi — data glitch */
.puzzle-game-section.world-SciFi_Earth .puzzle-tile.dissolving .puzzle-tile-image,
.puzzle-game-section.world-SciFi_Galaxy .puzzle-tile.dissolving .puzzle-tile-image {
    animation: tileDissolveGlitch 0.8s steps(6) forwards;
}

@keyframes tileDissolveGlitch {
    0% {
        opacity: 1;
        transform: scale(1);
        clip-path: inset(0);
    }

    16% {
        opacity: 0.9;
        transform: scale(1) translateX(3px);
        clip-path: inset(5% 0 10% 0);
    }

    33% {
        opacity: 0.7;
        transform: scale(1) translateX(-4px);
        clip-path: inset(15% 0 5% 0);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.95) translateX(2px);
        clip-path: inset(25% 5% 20% 5%);
    }

    66% {
        opacity: 0.3;
        transform: scale(0.9) translateX(-3px);
        clip-path: inset(30% 10% 30% 10%);
    }

    83% {
        opacity: 0.15;
        transform: scale(0.85);
        clip-path: inset(40% 15% 40% 15%);
    }

    100% {
        opacity: 0;
        transform: scale(0.8);
        clip-path: inset(50% 25% 50% 25%);
    }
}

/* World-themed dissolve: Overlaid — phase shift */
.puzzle-game-section.world-Overlaid .puzzle-tile.dissolving .puzzle-tile-image {
    animation: tileDissolvePhase 0.9s ease-in-out forwards;
}

@keyframes tileDissolvePhase {
    0% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0) saturate(1);
    }

    30% {
        opacity: 0.7;
        transform: scale(1.05) translateY(-5px);
        filter: blur(1px) saturate(2);
    }

    60% {
        opacity: 0.3;
        transform: scale(0.8) translateY(-15px);
        filter: blur(4px) saturate(3);
    }

    100% {
        opacity: 0;
        transform: scale(0.4) translateY(-30px);
        filter: blur(8px) saturate(0);
    }
}

/* World-themed dissolve: Alternate — reality tear */
.puzzle-game-section.world-Alternate .puzzle-tile.dissolving .puzzle-tile-image {
    animation: tileDissolveAlternate 0.9s ease-out forwards;
}

@keyframes tileDissolveAlternate {
    0% {
        opacity: 1;
        transform: scale(1) perspective(500px) rotateY(0);
    }

    40% {
        opacity: 0.6;
        transform: scale(0.9) perspective(500px) rotateY(60deg);
    }

    70% {
        opacity: 0.2;
        transform: scale(0.6) perspective(500px) rotateY(120deg);
    }

    100% {
        opacity: 0;
        transform: scale(0.3) perspective(500px) rotateY(180deg);
    }
}

.puzzle-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(103, 80, 164, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--primary-dark);
    font-weight: 500;
}

/* 3D Progress bar inside puzzle / appreciation */
.puzzle-3d-progress {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(103, 80, 164, 0.06);
    border-radius: var(--radius-sm);
}

.puzzle-3d-progress-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-align: center;
}

.puzzle-3d-progress-bar {
    height: 6px;
    background: rgba(103, 80, 164, 0.12);
    border-radius: 3px;
    overflow: hidden;
}

.puzzle-3d-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: 3px;
    transition: width 0.5s ease;
}

.progress-narration {
    margin: 8px 0 0;
    font-size: 0.78rem;
    color: var(--text-secondary);
    text-align: center;
    opacity: 0;
    transition: opacity 240ms ease;
    min-height: 1em;
}

.progress-narration.is-visible {
    opacity: 0.85;
}

.puzzle-item-caption {
    margin: 10px 0 0;
    font-size: 0.92rem;
    font-style: italic;
    color: var(--text-secondary);
    text-align: center;
    opacity: 0;
    transition: opacity 260ms ease;
}

.puzzle-item-caption.is-visible {
    opacity: 0.92;
}

.puzzle-round-badge {
    margin-left: 8px;
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(103, 80, 164, 0.14);
    border-radius: 999px;
    letter-spacing: 0.02em;
}

/* ==========================================
   Puzzle Appreciation Mode (post-solve)
   ========================================== */
.puzzle-appreciation {
    position: relative;
    background: linear-gradient(180deg, #FFFBFE 0%, #F3EDF7 100%);
    border-radius: var(--radius-lg);
    padding: 28px 20px 22px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 8px 32px rgba(103, 80, 164, 0.18), 0 2px 8px rgba(103, 80, 164, 0.08);
    text-align: center;
    overflow: hidden;
    animation: appreciationCardIn 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes appreciationCardIn {
    0%   { opacity: 0; transform: translateY(20px) scale(0.96); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

.puzzle-appreciation.hidden { display: none; }

/* Trophy + headline */
.appreciation-trophy {
    width: 72px;
    height: 72px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #FFE082 0%, #FFB300 70%, #F57C00 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4), inset 0 -4px 8px rgba(0, 0, 0, 0.1);
    animation: trophyPop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s both, trophyGlow 2.4s ease-in-out 0.8s infinite;
}

.appreciation-trophy-icon {
    font-size: 2.4rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    animation: trophyWiggle 1.6s ease-in-out 0.8s infinite;
}

@keyframes trophyPop {
    0%   { opacity: 0; transform: scale(0.2) rotate(-30deg); }
    60%  { opacity: 1; transform: scale(1.15) rotate(8deg); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); }
}
@keyframes trophyGlow {
    0%, 100% { box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4), inset 0 -4px 8px rgba(0, 0, 0, 0.1); }
    50%      { box-shadow: 0 8px 28px rgba(255, 193, 7, 0.65), inset 0 -4px 8px rgba(0, 0, 0, 0.1); }
}
@keyframes trophyWiggle {
    0%, 100% { transform: rotate(0deg); }
    25%      { transform: rotate(-6deg); }
    75%      { transform: rotate(6deg); }
}

.appreciation-headline {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-dark, #4F378B);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #6750A4 0%, #B69DF8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: headlineIn 0.5s ease 0.25s both;
}
@keyframes headlineIn {
    0%   { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}

.appreciation-message {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary, #49454F);
    margin-bottom: 12px;
    animation: headlineIn 0.5s ease 0.4s both;
}

/* Star rating */
.appreciation-stars {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 16px;
}
.appreciation-stars .star {
    font-size: 1.8rem;
    color: #E0DCE6;
    transition: color 0.2s ease;
    transform: scale(0);
    animation: starPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.appreciation-stars .star.s1 { animation-delay: 0.55s; }
.appreciation-stars .star.s2 { animation-delay: 0.75s; }
.appreciation-stars .star.s3 { animation-delay: 0.95s; }
.appreciation-stars .star.earned {
    color: #FFB300;
    text-shadow: 0 0 12px rgba(255, 179, 0, 0.55);
}
@keyframes starPop {
    0%   { transform: scale(0) rotate(-180deg); }
    70%  { transform: scale(1.3) rotate(10deg); }
    100% { transform: scale(1) rotate(0deg); }
}

.appreciation-image-wrap {
    margin: 0 auto 14px;
    max-width: 240px;
}

.appreciation-image-wrap img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: 0 6px 24px rgba(103, 80, 164, 0.28);
    border: 3px solid white;
    animation: appreciationReveal 0.7s ease-out 0.3s both;
}

@keyframes appreciationReveal {
    0%   { opacity: 0; transform: scale(0.85); filter: blur(6px); }
    60%  { opacity: 1; transform: scale(1.02); filter: blur(0); }
    100% { transform: scale(1); }
}

.appreciation-stats {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--on-primary-container, #21005D);
    background: var(--primary-container, #EADDFF);
    padding: 6px 14px;
    border-radius: var(--radius-full, 999px);
    margin-bottom: var(--spacing-md);
    animation: headlineIn 0.5s ease 0.5s both;
}

/* Confetti burst */
.appreciation-burst {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.burst-confetti {
    position: absolute;
    top: 30%;
    left: 50%;
    width: 8px;
    height: 14px;
    border-radius: 2px;
    opacity: 0;
    animation: confettiBurst 1.6s ease-out 0.2s forwards;
}
.burst-confetti.c1  { background: #FFB300; --dx:  -120px; --dy: -160px; --rot:  720deg; animation-delay: 0.20s; }
.burst-confetti.c2  { background: #6750A4; --dx:   140px; --dy: -150px; --rot: -540deg; animation-delay: 0.25s; }
.burst-confetti.c3  { background: #03DAC6; --dx:   -80px; --dy: -200px; --rot:  640deg; animation-delay: 0.30s; }
.burst-confetti.c4  { background: #F44336; --dx:   100px; --dy: -190px; --rot: -700deg; animation-delay: 0.22s; }
.burst-confetti.c5  { background: #4CAF50; --dx:  -160px; --dy:  -90px; --rot:  500deg; animation-delay: 0.28s; }
.burst-confetti.c6  { background: #2196F3; --dx:   170px; --dy:  -70px; --rot: -620deg; animation-delay: 0.18s; }
.burst-confetti.c7  { background: #FF9800; --dx:   -40px; --dy: -220px; --rot:  680deg; animation-delay: 0.32s; }
.burst-confetti.c8  { background: #E91E63; --dx:    50px; --dy: -210px; --rot: -480deg; animation-delay: 0.26s; }
.burst-confetti.c9  { background: #B69DF8; --dx:  -200px; --dy: -120px; --rot:  600deg; animation-delay: 0.24s; }
.burst-confetti.c10 { background: #FFC107; --dx:   200px; --dy: -110px; --rot: -560deg; animation-delay: 0.21s; }
.burst-confetti.c11 { background: #00BCD4; --dx:   -60px; --dy: -250px; --rot:  720deg; animation-delay: 0.34s; }
.burst-confetti.c12 { background: #9C27B0; --dx:    70px; --dy: -240px; --rot: -660deg; animation-delay: 0.19s; }

@keyframes confettiBurst {
    0%   { opacity: 0; transform: translate(-50%, 0) scale(0.6) rotate(0deg); }
    15%  { opacity: 1; }
    100% { opacity: 0; transform: translate(calc(-50% + var(--dx)), var(--dy)) scale(1) rotate(var(--rot)); }
}

/* Solved board flash overlay */
.puzzle-board.solved-flash {
    animation: boardSolvedFlash 0.8s ease-out;
}
@keyframes boardSolvedFlash {
    0%   { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0); }
    35%  { box-shadow: 0 0 0 16px rgba(255, 215, 0, 0.55); }
    100% { box-shadow: 0 0 0 32px rgba(255, 215, 0, 0); }
}

/* World-themed puzzle styles */
.puzzle-game-section.world-Historical .puzzle-board {
    background: #8b5a2b;
}

.puzzle-game-section.world-Fantasy .puzzle-board {
    background: linear-gradient(135deg, #7b68ee 0%, #9370db 100%);
}

.puzzle-game-section.world-SciFi_Earth .puzzle-board,
.puzzle-game-section.world-SciFi_Galaxy .puzzle-board {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.puzzle-game-section.world-Overlaid .puzzle-board {
    background: linear-gradient(135deg, #2d1b4e 0%, #4a2c7a 100%);
}

.puzzle-game-section.world-Alternate .puzzle-board {
    background: linear-gradient(135deg, #1f3a5f 0%, #4a5568 100%);
}

/* Responsive puzzle sizing */
@media (max-width: 360px) {
    .puzzle-board {
        width: 200px;
        height: 200px;
    }
}

@media (min-width: 481px) {
    .puzzle-board {
        width: 280px;
        height: 280px;
    }
}

/* Fun waiting messages */
.waiting-messages {
    text-align: center;
    margin-bottom: var(--spacing-md);
    min-height: 30px;
}

.waiting-message-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin: 0;
    animation: fadeInOut 3s ease-in-out infinite;
}

@keyframes fadeInOut {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Legacy processing styles (keep for backwards compatibility) */
.processing-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================
   Event Result (Page 5) - New Design
   ========================================== */

/* Event Result Content - Scrollable */
.event-result-content {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    padding-bottom: 100px;
    /* Space for fixed button */
}

/* Result Section */
.result-section {
    margin-bottom: var(--spacing-lg);
}

/* M3 Section Header — small icon chip + headline */
.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    padding: 0 4px;
}

.section-icon {
    font-size: 1rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.section-title {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    flex: 1;
}

/* M3 Filled Card — Story Text Box */
.story-text-box {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.story-text-box p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-primary);
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* Story Background special treatment — subtle warm tint */
#event-story-background {
    font-size: 0.9rem;
    line-height: 1.65;
    color: #4a3728;
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.result-section:first-child .story-text-box {
    background: linear-gradient(135deg, #fdf6ec 0%, #fef9f2 100%);
    border-left: 3px solid #c8922a;
}

/* Event Meta Info */
.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
}

.meta-icon {
    font-size: 1rem;
}

.meta-label {
    font-size: 0.85rem;
    color: #666;
}

.meta-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: #333;
}

/* Collapsible Sections on Event Result */
.collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.2s ease;
}

.collapsible-header:hover {
    background: rgba(255, 255, 255, 0.25);
}

.collapse-arrow {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.collapsible-section.collapsed .collapse-arrow {
    transform: rotate(0deg);
}

.collapsible-section:not(.collapsed) .collapse-arrow {
    transform: rotate(180deg);
}

.collapsible-body {
    max-height: 2000px;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
    opacity: 1;
    margin-top: var(--spacing-sm);
}

.collapsible-section.collapsed .collapsible-body {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

/* Sub-collapsible sections nested inside parent collapsible */
.sub-collapsible {
    margin-bottom: var(--spacing-sm);
}

.sub-collapsible .collapsible-header {
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.sub-collapsible .collapsible-header:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Image Card */
.image-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.image-card-header {
    padding: 10px var(--spacing-md);
    background: var(--primary-color);
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.image-container {
    width: 100%;
    min-height: 200px;
    background: var(--surface-container);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-container img {
    width: 100%;
    height: auto;
    max-height: 340px;
    object-fit: cover;
    display: block;
}

.image-card-footer {
    padding: 12px var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-top: 1px solid var(--outline-variant);
    background: var(--surface);
}

.item-icon {
    font-size: 1.1rem;
}

.item-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

/* Scroll Indicator */
.scroll-indicator {
    text-align: center;
    padding: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

/* Model Card */
.model-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.model-card-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: #1a1a1a;
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
}

.model-viewer {
    width: 100%;
    height: 250px;
    background: linear-gradient(180deg, #ffffff 0%, #f4f1ea 100%);
}

.model-controls {
    padding: var(--spacing-sm);
    text-align: center;
    font-size: 0.8rem;
    color: #666;
    background: #f8f8f8;
}

.download-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--accent-green);
    color: white;
    border: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    border-radius: 0;
}

.download-btn:hover {
    opacity: 0.9;
}

/* AR View Button */
.ar-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--primary-color);
    color: white;
    border: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 2px;
}

.ar-btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.ar-btn:active {
    transform: scale(0.98);
}

/* Start AR Card — M3-styled card shown on processing page after AI completes */
.start-ar-section {
    /* Stable in-flow position directly below the puzzle card.
       Equal top/bottom padding keeps the gap to the puzzle (above) and
       any subsequent content (below) consistent so the card does not
       appear to drift as other sections appear/disappear. */
    padding: 0 0 var(--spacing-md);
    margin-top: var(--spacing-md);
    animation: slideUpCard 0.45s cubic-bezier(0.2, 0, 0, 1) forwards;
}

.start-ar-section.hidden {
    display: none;
}

@keyframes slideUpCard {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* M3 Filled Card — compact, list-item style */
.start-ar-card {
    background: var(--primary-container);
    border-radius: var(--radius-md);
    padding: 12px var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
}

.start-ar-card-leading {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.start-ar-card-icon {
    font-size: 1.25rem;
    line-height: 1;
    filter: none;
}

.start-ar-card-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
}

.start-ar-card-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--on-primary-container);
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.start-ar-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.35;
    font-weight: 400;
}

/* M3 Filled Button — small pill */
.start-ar-card-btn {
    flex-shrink: 0;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: none;
    transition: box-shadow 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
}

.start-ar-card-btn:hover {
    box-shadow: var(--shadow-sm);
    background: #5a4593;
}

.start-ar-card-btn:active {
    transform: scale(0.97);
    box-shadow: none;
}

/* Event Actions - Fixed at Bottom */
.event-actions {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: var(--primary-dark);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
}

.event-actions .action-btn {
    max-width: 500px;
    margin: 0 auto;
    display: block;
}

/* ==========================================
   Story Complete
   ========================================== */
.complete-story {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.complete-story .story-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.complete-story .story-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

#complete-story-content {
    max-height: 480px;
}

/* Story illustration (fictional image as inline figure) */
.story-illustration {
    text-align: center;
    margin: 12px auto 16px;
}

.story-illustration img {
    max-width: 80%;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.story-illustration figcaption {
    font-size: 0.8em;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* Story Flip Card — real photo ↔ fictional image */
.story-flip-card {
    position: relative;
    width: 88%;
    max-width: 420px;
    aspect-ratio: 4 / 5;
    margin: 16px auto 18px;
    perspective: 1200px;
    cursor: pointer;
    outline: none;
    border-radius: 14px;
}

.story-flip-card:focus-visible {
    box-shadow: 0 0 0 3px rgba(103, 80, 164, 0.45);
}

.story-flip-card .flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 560ms cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    will-change: transform;
}

.story-flip-card[data-flipped="true"] .flip-card-inner {
    transform: rotateY(180deg);
}

.story-flip-card .flip-card-face {
    position: absolute;
    inset: 0;
    margin: 0;
    border-radius: 14px;
    overflow: hidden;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
    background: #fafafa;
    display: flex;
    flex-direction: column;
}

.story-flip-card .flip-card-face-back {
    transform: rotateY(180deg);
    background: linear-gradient(160deg, rgba(103, 80, 164, 0.08), rgba(103, 80, 164, 0.02));
}

.story-flip-card .flip-card-face img {
    flex: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
    box-shadow: none;
    max-width: none;
}

.story-flip-card .flip-card-face figcaption {
    flex: 0 0 auto;
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    text-align: center;
}

.story-flip-card .flip-card-hint {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.88);
    color: var(--primary-dark);
    font-size: 0.95rem;
    line-height: 28px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
    pointer-events: none;
}

.story-flip-card .flip-card-dots {
    position: absolute;
    bottom: -16px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    pointer-events: none;
}

.story-flip-card .flip-card-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(103, 80, 164, 0.25);
    transition: background 220ms ease, transform 220ms ease;
}

.story-flip-card .flip-card-dot.is-active {
    background: var(--primary-color);
    transform: scale(1.25);
}

/* Peek wobble — plays once on first viewport entry */
@keyframes story-flip-peek {
    0%   { transform: rotateY(0deg); }
    25%  { transform: rotateY(-12deg); }
    55%  { transform: rotateY(12deg); }
    100% { transform: rotateY(0deg); }
}

.story-flip-card.peek .flip-card-inner {
    animation: story-flip-peek 900ms ease-in-out 1;
}

@keyframes story-flip-hint-pulse {
    0%, 100% { transform: scale(1); opacity: 0.85; }
    50%      { transform: scale(1.18); opacity: 1; }
}

.story-flip-card.peek .flip-card-hint {
    animation: story-flip-hint-pulse 900ms ease-in-out 1;
}

/* Reduced-motion fallback: just pulse the hint icon */
.story-flip-card.hint-fade .flip-card-hint {
    animation: story-flip-hint-pulse 900ms ease-in-out 1;
}

@media (prefers-reduced-motion: reduce) {
    .story-flip-card .flip-card-inner {
        transition: none;
    }
}

/* Collection Section */
.collection-section {
    margin-bottom: var(--spacing-lg);
}

.collection-section h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.collection-item {
    background: white;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.collection-item .item-viewer {
    height: 180px;
    background: #222;
    touch-action: none;
}

.collection-item .item-name {
    padding: var(--spacing-xs);
    font-size: 0.8rem;
    text-align: center;
    color: var(--text-secondary);
}

.collection-item-real {
    border-top: 3px solid #4caf50;
}

.collection-item-fictional {
    border-top: 3px solid #9c27b0;
}

/* Material Design "View in AR" button */
.md-ar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0 var(--spacing-xs) var(--spacing-xs);
    padding: 8px 14px;
    width: calc(100% - var(--spacing-xs) * 2);
    min-height: 36px;
    border: none;
    border-radius: 18px;
    background: #6750a4;
    color: #fff;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.18),
        0 1px 3px 1px rgba(0, 0, 0, 0.12);
    transition: background-color 120ms ease, box-shadow 120ms ease,
        transform 80ms ease;
    -webkit-tap-highlight-color: transparent;
}

.md-ar-btn:hover {
    background: #735fb6;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.22),
        0 2px 6px 2px rgba(0, 0, 0, 0.15);
}

.md-ar-btn:active {
    background: #5a4493;
    transform: translateY(1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.md-ar-btn:focus-visible {
    outline: 2px solid #d0bcff;
    outline-offset: 2px;
}

.md-ar-btn-icon {
    font-size: 1rem;
    line-height: 1;
}

.md-ar-btn-label {
    line-height: 1;
}

/* Complete Actions */
.complete-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.complete-actions .action-btn {
    width: 100%;
}

/* ==========================================
   Modal (Fullscreen Viewer)
   ========================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-dark);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    color: white;
}

#fullscreen-viewer-title {
    font-size: 1rem;
    font-weight: 600;
}

.close-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.2s;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.fullscreen-viewer {
    flex: 1;
    background: #222;
}

.modal .viewer-controls {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-light);
}

.modal-actions {
    padding: var(--spacing-md);
    padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
}

.modal-actions .action-btn {
    width: 100%;
}

/* ==========================================
   Responsive Design - Mobile First Base
   ========================================== */

/* Extra Small Devices (phones, < 360px) */
@media (max-width: 359px) {
    :root {
        --spacing-xs: 3px;
        --spacing-sm: 6px;
        --spacing-md: 12px;
        --spacing-lg: 18px;
        --spacing-xl: 24px;
    }

    html {
        font-size: 14px;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .world-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .world-card {
        flex-direction: row;
        text-align: left;
        padding: var(--spacing-md);
    }

    .world-icon {
        font-size: 2rem;
        margin-bottom: 0;
        margin-right: var(--spacing-md);
    }

    .world-card-info {
        display: flex;
        flex-direction: column;
    }

    .world-badge {
        width: 90px;
        height: 90px;
    }

    .badge-primary {
        font-size: 2.2rem;
    }

    .badge-secondary {
        font-size: 1.3rem;
    }
}

/* Small Devices (phones, 360px - 480px) */
@media (min-width: 360px) and (max-width: 480px) {
    .page {
        padding: var(--spacing-sm);
    }

    .page-header h1 {
        font-size: 1.6rem;
    }

    .page-header.compact h2 {
        font-size: 1.1rem;
    }

    .world-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .world-card {
        padding: var(--spacing-md);
    }

    .world-icon {
        font-size: 2rem;
    }

    .world-name {
        font-size: 0.9rem;
    }

    .world-desc {
        font-size: 0.7rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .story-content {
        padding: var(--spacing-md);
        max-height: 150px;
        font-size: 0.9rem;
    }

    .upload-box {
        width: 150px;
        height: 150px;
    }

    .upload-icon-large {
        font-size: 2rem;
    }

    .upload-text-main {
        font-size: 0.9rem;
    }

    .processing-steps-container {
        padding: 0;
    }

    .process-step-card {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .step-status-icon {
        font-size: 1.2rem;
    }

    .step-title {
        font-size: 0.85rem;
    }

    .step-details {
        font-size: 0.8rem;
    }

    .model-viewer {
        height: 200px;
    }

    .image-container img {
        max-height: 250px;
    }

    .event-meta {
        gap: var(--spacing-sm);
    }

    .meta-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
}

/* Medium Phones (480px - 600px) */
@media (min-width: 481px) and (max-width: 600px) {
    .page-header h1 {
        font-size: 1.8rem;
    }

    .world-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 450px;
    }

    .story-content {
        max-height: 180px;
    }

    .model-viewer {
        height: 220px;
    }
}

/* Tablets Portrait (600px - 768px) */
@media (min-width: 601px) and (max-width: 768px) {
    .page {
        padding: var(--spacing-lg);
        max-width: 600px;
        margin: 0 auto;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .world-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 550px;
    }

    .story-content {
        max-height: 250px;
    }

    .model-viewer {
        height: 280px;
    }

    .image-container img {
        max-height: 350px;
    }

    .dual-viewer-container {
        flex-direction: row;
    }

    .viewer-card {
        flex: 1;
    }
}

/* Tablets Landscape & Small Laptops (768px - 1024px) */
@media (min-width: 768px) {
    .page {
        padding: var(--spacing-xl);
        max-width: 700px;
        margin: 0 auto;
    }

    .page-header h1 {
        font-size: 2.5rem;
    }

    .world-grid {
        grid-template-columns: repeat(3, 1fr);
        max-width: 650px;
    }

    .world-card {
        padding: var(--spacing-lg);
    }

    .world-icon {
        font-size: 2.5rem;
    }

    .story-content {
        max-height: 300px;
        padding: var(--spacing-lg);
    }

    .upload-area-large {
        min-height: 350px;
    }

    .upload-box {
        width: 200px;
        height: 200px;
    }

    .processing-steps-container {
        padding: 0;
    }

    .model-viewer {
        height: 300px;
    }

    .mini-viewer {
        height: 200px;
    }

    .collection-item .item-viewer {
        height: 220px;
    }

    .image-container img {
        max-height: 400px;
    }

    /* Two column layout for result page */
    .result-columns {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .event-result-content {
        max-width: 700px;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .page {
        max-width: 900px;
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .page-header h1 {
        font-size: 2.8rem;
    }

    .world-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 800px;
        gap: var(--spacing-lg);
    }

    .world-card {
        padding: var(--spacing-xl);
    }

    .world-icon {
        font-size: 3rem;
    }

    .world-name {
        font-size: 1.1rem;
    }

    .story-content {
        max-height: 400px;
    }

    .dual-viewer-container {
        gap: var(--spacing-xl);
    }

    .model-viewer {
        height: 350px;
    }

    .mini-viewer {
        height: 250px;
    }

    .event-result-content {
        max-width: 900px;
    }

    /* Side by side layout for images and models */
    .image-section {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
    .page {
        max-width: 1100px;
    }

    .world-grid {
        max-width: 1000px;
    }

    .model-viewer {
        height: 400px;
    }
}

/* ==========================================
   Touch Device Optimizations
   ========================================== */
@media (hover: none) and (pointer: coarse) {

    /* Larger touch targets for mobile */
    .action-btn {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .world-card {
        min-height: 100px;
    }

    .back-btn {
        min-width: 48px;
        min-height: 48px;
    }

    .close-btn {
        min-width: 48px;
        min-height: 48px;
    }

    /* Disable hover effects on touch devices */
    .world-card:hover {
        transform: none;
    }

    .action-btn:hover {
        transform: none;
    }

    /* Active states instead */
    .world-card:active {
        transform: scale(0.98);
        opacity: 0.9;
    }

    .action-btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
}

/* ==========================================
   Landscape Mode on Mobile
   ========================================== */
@media (max-height: 500px) and (orientation: landscape) {
    .page {
        padding: var(--spacing-sm);
    }

    .page-header {
        padding: var(--spacing-sm) 0;
        margin-bottom: var(--spacing-sm);
    }

    .page-header h1 {
        font-size: 1.3rem;
    }

    .world-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 100%;
    }

    .world-card {
        padding: var(--spacing-sm);
    }

    .world-icon {
        font-size: 1.5rem;
    }

    .world-name {
        font-size: 0.8rem;
    }

    .world-desc {
        display: none;
    }

    .story-content {
        max-height: 120px;
    }

    .upload-area-large {
        min-height: 150px;
    }

    .upload-box {
        width: 100px;
        height: 100px;
    }

    .model-viewer {
        height: 180px;
    }

    .processing-main {
        padding: var(--spacing-sm) 0;
    }

    .world-badge {
        width: 80px;
        height: 80px;
    }

    .badge-primary {
        font-size: 2rem;
    }

    .badge-secondary {
        font-size: 1.2rem;
    }
}

/* ==========================================
   Safe Area Support (iOS Notch)
   ========================================== */
@supports (padding-top: env(safe-area-inset-top)) {
    .page {
        padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
        padding-left: calc(var(--spacing-md) + env(safe-area-inset-left));
        padding-right: calc(var(--spacing-md) + env(safe-area-inset-right));
    }

    .modal-header {
        padding-top: calc(var(--spacing-md) + env(safe-area-inset-top));
    }

    .event-actions {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }
}

/* ==========================================
   Reduced Motion Support
   ========================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================
   High Contrast Mode
   ========================================== */
@media (prefers-contrast: high) {
    .action-btn {
        border: 2px solid currentColor;
    }

    .world-card {
        border: 2px solid #333;
    }

    .process-step-card {
        border-left-width: 6px;
    }
}

/* ==========================================
   Photo Analysis Info (Event Result Page)
   ========================================== */
.photo-analysis-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.analysis-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.analysis-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.analysis-value {
    color: var(--text-primary);
    font-weight: 500;
}

@media (max-width: 480px) {
    .photo-analysis-info {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .page {
        display: block !important;
        background: white;
        color: black;
    }

    .action-btn,
    .back-btn,
    .fullscreen-btn {
        display: none !important;
    }
}

/* ==========================================
   GPU Status Panel
   ========================================== */
.gpu-panel {
    background: transparent;
    border-radius: var(--radius-md);
    padding: 0;
    margin: var(--spacing-md) auto 0;
    max-width: 800px;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2 * var(--spacing-md));
    z-index: 10;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.gpu-panel:hover {
    opacity: 1;
}

.gpu-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
}

.gpu-panel-header:hover {
    background: rgba(255, 255, 255, 0.25);
}

.gpu-panel-header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.gpu-panel-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.gpu-status-summary {
    font-size: 0.8rem;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
}

.gpu-status-summary.status-error {
    background: rgba(198, 40, 40, 0.3);
    color: #ffcdd2;
}

.gpu-status-summary.status-busy {
    background: rgba(239, 108, 0, 0.3);
    color: #ffe0b2;
}

.gpu-toggle-icon {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    transition: transform 0.3s ease;
}

.gpu-panel:not(.collapsed) .gpu-toggle-icon {
    transform: rotate(180deg);
}

.gpu-panel-body {
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
    max-height: 600px;
    opacity: 1;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    color: rgba(255, 255, 255, 0.9);
}

.gpu-panel.collapsed .gpu-panel-body {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.gpu-mode-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.gpu-mode-option {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: #f5f5f5;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.gpu-mode-option:hover {
    background: #eeeeee;
}

.gpu-mode-option:has(input:checked) {
    background: rgba(103, 80, 164, 0.08);
    border-color: var(--primary-color);
}

.gpu-mode-option input[type="radio"] {
    accent-color: var(--primary-color);
}

.gpu-mode-label {
    display: flex;
    flex-direction: column;
}

.gpu-mode-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
}

.gpu-mode-desc {
    font-size: 0.75rem;
    color: #666;
}

.gpu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.gpu-card {
    background: #f8f9fa;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    text-align: center;
    border: 1px solid #e0e0e0;
}

.gpu-card.gpu-idle {
    border-color: #4caf50;
    background: #e8f5e9;
}

.gpu-card.gpu-busy {
    border-color: #f44336;
    background: #ffebee;
}

.gpu-card.gpu-error,
.gpu-card.gpu-unavailable {
    border-color: #ff9800;
    background: #fff3e0;
}

.gpu-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.gpu-id {
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
}

.gpu-name {
    font-size: 0.75rem;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gpu-memory {
    font-size: 0.7rem;
    color: #888;
    margin-top: 4px;
}

.gpu-utilization {
    margin-top: 6px;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.gpu-util-bar {
    height: 100%;
    background: linear-gradient(90deg, #4caf50, #ff9800, #f44336);
    border-radius: 3px;
    transition: width 0.3s;
}

.gpu-utilization span {
    position: absolute;
    right: 4px;
    top: -14px;
    font-size: 0.65rem;
    color: #666;
}

/* Vast.ai Instance Control */
.gpu-instance-control {
    background: #f0f4ff;
    border: 1px solid #c8d6f0;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.gpu-instance-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.gpu-instance-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
}

.instance-status-badge {
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.instance-status-badge.status-running {
    background: #e8f5e9;
    color: #2e7d32;
}

.instance-status-badge.status-stopped {
    background: #fce4ec;
    color: #c62828;
}

.instance-status-badge.status-loading {
    background: #fff3e0;
    color: #e65100;
}

.instance-status-badge.status-unknown {
    background: #f5f5f5;
    color: #666;
}

.gpu-instance-info {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.78rem;
    color: #555;
    margin-bottom: 10px;
}

.gpu-instance-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn-instance {
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-instance:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-instance-start {
    background: #e8f5e9;
    color: #2e7d32;
}

.btn-instance-start:not(:disabled):hover {
    background: #c8e6c9;
}

.btn-instance-stop {
    background: #fce4ec;
    color: #c62828;
}

.btn-instance-stop:not(:disabled):hover {
    background: #f8bbd0;
}

.btn-services-restart {
    background: #e3f2fd;
    color: #1565c0;
}

.btn-services-restart:not(:disabled):hover {
    background: #bbdefb;
}

.instance-error {
    margin-top: 8px;
    padding: 6px 10px;
    background: #ffebee;
    color: #c62828;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
}

.instance-error.hidden {
    display: none;
}

/* SAM3/SAM3D Service Status */
.gpu-services-status {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: 8px var(--spacing-md);
    background: #fafafa;
    border-radius: var(--radius-sm);
}

.service-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
}

.service-name {
    font-weight: 600;
    color: #444;
}

.service-status-dot {
    font-size: 1rem;
}

.service-status-dot.status-ready {
    color: #4caf50;
}

.service-status-dot.status-loading {
    color: #ff9800;
}

.service-status-dot.status-offline {
    color: #f44336;
}

.service-status-dot.status-unknown {
    color: #9e9e9e;
}

/* Mobile responsive */
@media (max-width: 600px) {
    .gpu-panel {
        width: calc(100% - 2 * var(--spacing-sm));
    }

    .gpu-mode-options {
        flex-direction: column;
    }

    .gpu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==========================================
   Authentication Page Styles
   ========================================== */
.auth-container {
    max-width: 400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.auth-tabs {
    display: flex;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #f0f0f0;
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    background: transparent;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
}

.auth-tab.active {
    background: var(--primary-color);
    color: white;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-error {
    color: var(--accent-red);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    min-height: 20px;
}

.auth-submit-btn {
    width: 100%;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    background: var(--primary-color);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.auth-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.auth-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-lg) 0;
    color: var(--text-secondary);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    padding: 0 var(--spacing-md);
    font-size: 0.875rem;
}

.guest-btn {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.guest-btn:hover {
    border-color: var(--primary-color);
    background: rgba(103, 80, 164, 0.06);
}

.guest-note {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ==========================================
   Story History Page Styles
   ========================================== */
.user-welcome {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

#welcome-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
}

.logout-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

/* Logout button in page headers - aligned with back button */
.header-logout {
    position: absolute;
    right: 0;
    z-index: 10;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.story-history-container {
    max-width: 600px;
    margin: 0 auto;
}

.story-history-container h2 {
    color: white;
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
}

.story-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.story-list-loading {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xl);
}

.story-list-empty {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.story-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.story-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.story-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.story-card-icon {
    font-size: 1.5rem;
}

.story-card-title {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

.story-card-status {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: var(--accent-green);
    color: white;
}

.story-card-status.active {
    background: var(--accent-orange);
}

.story-card-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.story-card-background {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-card-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.story-card-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.story-card-btn.primary {
    background: var(--primary-color);
    color: white;
}

.story-card-btn.secondary {
    background: #f0f0f0;
    color: var(--text-primary);
}

.story-card-btn:hover {
    transform: translateY(-1px);
}

.new-story-btn {
    width: 100%;
    padding: var(--spacing-lg);
    border: 3px dashed rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.new-story-btn:hover {
    border-color: white;
    background: rgba(255, 255, 255, 0.2);
}

/* World icon mapping for story cards */
.world-icon-Historical::before {
    content: '🏛️';
}

.world-icon-Overlaid::before {
    content: '🎭';
}

.world-icon-Alternate::before {
    content: '🔀';
}

.world-icon-SciFi_Earth::before {
    content: '🌍';
}

.world-icon-SciFi_Galaxy::before {
    content: '🚀';
}

.world-icon-Fantasy::before {
    content: '✨';
}

/* ==========================================
   P2-1: Reveal Transition Overlay
   ========================================== */
.reveal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.92);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.reveal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.reveal-overlay.hidden {
    display: none;
}

.reveal-flash {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.6) 0%, transparent 70%);
    opacity: 0;
    pointer-events: none;
}

.reveal-overlay.flash .reveal-flash {
    animation: revealFlash 0.8s ease-out forwards;
}

@keyframes revealFlash {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }

    30% {
        opacity: 1;
        transform: scale(1.1);
    }

    100% {
        opacity: 0;
        transform: scale(2);
    }
}

.reveal-narrative {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-xl);
    max-width: 400px;
}

.reveal-narrative-text {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(20px);
    letter-spacing: 0.02em;
}

.reveal-overlay.active .reveal-narrative-text {
    animation: revealTextIn 0.8s ease-out 0.3s forwards;
}

@keyframes revealTextIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   P2-1: Result Page Stagger Entrance
   (rules for the removed #page-event-result section have been deleted; the
   staggerRevealIn keyframes are kept in case other pages reference them.)
   ========================================== */

@keyframes staggerRevealIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   P2-2: Ambient Sound Toggle
   ========================================== */
.ambient-toggle {
    position: fixed;
    bottom: 16px;
    left: 16px;
    z-index: 1000;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background 0.2s, transform 0.2s;
    display: none;
    align-items: center;
    justify-content: center;
}

.ambient-toggle.visible {
    display: flex;
}

.ambient-toggle:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.ambient-toggle.muted {
    opacity: 0.5;
}
/* ==========================================
   Round n+1 Transition Overlay (after AR Upload Photo)
   ========================================== */
.round-transition {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center,
              rgba(74, 45, 122, 0.96) 0%,
              rgba(29, 17, 53, 0.99) 70%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.round-transition[hidden] { display: none; }

.round-transition.visible {
  opacity: 1;
  pointer-events: auto;
}

.round-transition-text {
  color: #fff;
  font-size: clamp(2.4rem, 10vw, 4.5rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.6),
               0 0 36px rgba(179, 157, 219, 0.55);
  transform: scale(0.85);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1),
              opacity 0.35s ease;
}

.round-transition.visible .round-transition-text {
  transform: scale(1);
  opacity: 1;
}

/* ==========================================
   Home: Get My Location card
   ========================================== */
.location-card {
    max-width: 500px;
    margin: var(--spacing-lg) auto 0;
    padding: 0;
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: box-shadow 0.2s;
}
.location-card:hover { box-shadow: var(--shadow-lg); }

.location-card-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: 0;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: inherit;
}
.location-card-trigger:active { transform: scale(0.99); }

.location-card-icon {
    font-size: 1.6rem;
    line-height: 1;
    flex-shrink: 0;
}

.location-card-text {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.location-card-title {
    font-weight: 600;
    font-size: 1rem;
    color: #222;
}

.location-card-subtitle {
    font-size: 0.8rem;
    color: #666;
    margin-top: 2px;
}

.location-card-spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(118, 75, 162, 0.25);
    border-top-color: #764ba2;
    animation: loc-spin 0.8s linear infinite;
    display: none;
    flex-shrink: 0;
}
@keyframes loc-spin { to { transform: rotate(360deg); } }

.location-card[data-state="locating"] .location-card-spinner,
.location-card[data-state="resolving"] .location-card-spinner {
    display: inline-block;
}
.location-card[data-state="locating"] .location-card-subtitle::after {
    content: " — locating…";
}

.location-card-result {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.06), rgba(118, 75, 162, 0.06));
}

.location-card-result-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}
.location-card-result-header .location-card-title { flex: 1; }

.location-card-iconbtn {
    background: rgba(118, 75, 162, 0.12);
    border: 0;
    color: #4a2d7a;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}
.location-card-iconbtn:hover { background: rgba(118, 75, 162, 0.22); }

.location-card-fields {
    margin: 0 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 6px 12px;
    font-size: 0.92rem;
}
.location-card-fields > div {
    display: contents;
}
.location-card-fields dt {
    color: #777;
    font-weight: 500;
}
.location-card-fields dd {
    margin: 0;
    color: #222;
    font-weight: 600;
    word-break: break-word;
}

.location-card-maplink {
    display: inline-block;
    color: #4a2d7a;
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    padding: 6px 0;
}
.location-card-maplink:hover { text-decoration: underline; }

.location-card-status {
    margin: 8px 0 0;
    font-size: 0.78rem;
    color: #666;
    min-height: 1em;
}
.location-card[data-state="error"] .location-card-status { color: #b3261e; }

@media (max-width: 600px) {
    .location-card { margin-left: var(--spacing-md); margin-right: var(--spacing-md); }
    .location-card-fields { grid-template-columns: 78px 1fr; font-size: 0.86rem; }
}