/* ========================================
   Cinematic Connections - Puzzle Style
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0d0d0d;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --bg-hover: #2a2a2a;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #8a8a8a;

    --accent-primary: #d4af37;
    --accent-secondary: #b8962e;
    --accent-glow: rgba(212, 175, 55, 0.3);

    --success: #4ade80;
    --error: #f87171;
    --warning: #fbbf24;

    --border-color: #333333;
    --border-light: #444444;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Layout */
    --max-width: 900px;
    --header-height: 60px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.hidden {
    display: none !important;
}

/* ========================================
   Layout
   ======================================== */

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    height: var(--header-height);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.game-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-lg);
    /* Reserve space to prevent footer shift during load */
    min-height: 600px;
    /* Help browser predict content size to reduce CLS */
    contain-intrinsic-block-size: 600px;
}

.footer {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}

.footer a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-decoration-color: rgba(212, 175, 55, 0.4);
    text-underline-offset: 2px;
    transition: text-decoration-color var(--transition-fast);
}

.footer a:hover {
    text-decoration-color: var(--accent-primary);
}

.footer-legal {
    margin-top: var(--spacing-sm);
}

/* Impressum Content */
.impressum-content {
    text-align: left;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.impressum-content h3 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.impressum-content h3:first-child {
    margin-top: 0;
}

.impressum-content p {
    margin-bottom: var(--spacing-sm);
}

.impressum-content ul {
    margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
}

.impressum-content ul li {
    margin-bottom: var(--spacing-xs);
}

.impressum-content a {
    color: var(--accent-primary);
}

.impressum-content a:hover {
    text-decoration: underline;
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

.lang-btn {
    padding: 4px 12px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.lang-btn.active {
    background: var(--gold);
    color: var(--bg);
    border-color: var(--gold);
}

.lang-content.hidden {
    display: none;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    align-self: flex-start;
    margin-top: var(--spacing-sm);
}

/* Honeypot field - hidden from humans */
.form-group-hp {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
    pointer-events: none;
}

/* ========================================
   Loading State
   ======================================== */

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-md);
    color: var(--text-secondary);
    /* Match game content height to prevent CLS during state transition */
    min-height: 500px;
}

.game-content {
    /* Match loading state dimensions to prevent CLS during transition */
    min-height: 500px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========================================
   Challenge Header
   ======================================== */

.challenge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.challenge-number {
    font-weight: 600;
    color: var(--accent-primary);
}

/* ========================================
   Puzzle Chain
   ======================================== */

.puzzle-chain {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    overflow-x: auto;
}

.chain-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    min-width: 80px;
}

.chain-node-img {
    width: 70px;
    height: 105px;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    border-radius: var(--radius-md);
    background-color: var(--bg-tertiary);
}

/* Fixed movie nodes (START/TARGET) - larger */
.chain-node.fixed {
    min-width: 100px;
}

.chain-node.fixed .chain-node-img {
    width: 90px;
    height: 135px;
    aspect-ratio: 2 / 3;
    border: 2px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

.chain-node-person .chain-node-img {
    width: 70px;
    height: 70px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
}

.chain-node-label {
    padding: 3px 10px;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    margin-bottom: var(--spacing-xs);
}

.chain-node-label.target {
    background-color: var(--success);
}

.chain-node-title {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    max-width: 100px;
    margin-top: var(--spacing-xs);
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.chain-arrow {
    color: var(--text-muted);
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* Drop Zones */
.drop-zone {
    width: 100px;
    height: 130px;
    border: 3px dashed var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    background-color: var(--bg-tertiary);
    padding: var(--spacing-sm);
    position: relative;
}

/* GPU-compositable glow effect using pseudo-element + opacity */
.drop-zone::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    box-shadow: 0 0 12px 2px rgba(212, 175, 55, 0.25);
    opacity: 0;
    animation: dropZonePulse 2.5s ease-in-out infinite;
    pointer-events: none;
}

/* Movie slots have gold accent */
.drop-zone.chain-node-movie {
    border-color: rgba(212, 175, 55, 0.4);
}

.drop-zone.chain-node-person {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    /* Person slots have cyan/teal accent */
    border-color: rgba(100, 200, 220, 0.4);
}

/* Person drop zone uses cyan glow */
.drop-zone.chain-node-person::before {
    box-shadow: 0 0 12px 2px rgba(100, 200, 220, 0.25);
}

/* GPU-compositable pulse animation (opacity only) */
@keyframes dropZonePulse {
    0%, 100% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

.drop-zone-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    /* Higher contrast for accessibility on bg-tertiary */
    color: #b0b0b0;
}

.drop-zone-placeholder svg {
    opacity: 0.7;
}

.drop-zone-placeholder span {
    font-size: 0.625rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Highlight valid drop targets during drag */
.drop-zone.valid-target {
    border-color: var(--accent-primary);
    border-style: solid;
    animation: none;
    box-shadow: 0 0 15px 3px rgba(212, 175, 55, 0.3);
}

.drop-zone.chain-node-person.valid-target {
    border-color: rgb(100, 200, 220);
    box-shadow: 0 0 15px 3px rgba(100, 200, 220, 0.3);
}

/* Invalid target indicator */
.drop-zone.invalid-target {
    border-color: var(--error);
    opacity: 0.5;
    animation: none;
}

.drop-zone.drag-over {
    border-color: var(--accent-primary);
    border-style: solid;
    background-color: rgba(212, 175, 55, 0.15);
    transform: scale(1.08);
    animation: none;
    box-shadow: 0 0 20px 5px rgba(212, 175, 55, 0.4);
}

.drop-zone.chain-node-person.drag-over {
    border-color: rgb(100, 200, 220);
    background-color: rgba(100, 200, 220, 0.15);
    box-shadow: 0 0 20px 5px rgba(100, 200, 220, 0.4);
}

/* Flash animation when piece is placed */
.drop-zone.just-filled {
    animation: slotFlash 0.4s ease;
}

@keyframes slotFlash {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); box-shadow: 0 0 20px var(--accent-glow); }
    100% { transform: scale(1); }
}

.drop-zone.filled {
    border: none;
    background-color: transparent;
    animation: none;
    box-shadow: none;
}

.drop-zone.filled .drop-zone-placeholder {
    display: none;
}

.drop-zone .placed-piece {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.drop-zone .placed-piece img {
    width: 70px;
    height: 105px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.drop-zone.chain-node-person .placed-piece img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
}

.drop-zone .placed-piece .piece-name {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 4px;
}

/* ========================================
   Piece Palette
   ======================================== */

.piece-palette {
    margin-bottom: var(--spacing-xl);
}

.palette-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.palette-section {
    margin-bottom: var(--spacing-lg);
}

.palette-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.palette-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Draggable Pieces */
.puzzle-piece {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: grab;
    transition: all var(--transition-fast);
    user-select: none;
}

.puzzle-piece:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.puzzle-piece:active {
    cursor: grabbing;
}

.puzzle-piece.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.puzzle-piece.used {
    opacity: 0.3;
    pointer-events: none;
}

.piece-img {
    width: 60px;
    height: 90px;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
}

.person-piece .piece-img {
    width: 60px;
    height: 60px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
}

.piece-name {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 70px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 4px;
}

/* Mobile selection */
.puzzle-piece.selected {
    border-color: var(--accent-primary);
    background-color: rgba(212, 175, 55, 0.1);
    box-shadow: var(--shadow-glow);
}

.drop-zone.highlight {
    border-color: var(--accent-primary);
    animation: pulse 1s ease-in-out infinite;
}

/* Slot content (filled) */
.slot-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: grab;
}

.slot-content:active {
    cursor: grabbing;
}

.slot-img {
    width: 70px;
    height: 105px;
    object-fit: cover;
    border-radius: var(--radius-md);
    background-color: var(--bg-tertiary);
}

.chain-node-person .slot-img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
}

.slot-name {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 4px;
}

/* ========================================
   Attempt Indicator
   ======================================== */

.attempt-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.attempt-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.attempt-counter {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 45px;
    text-align: center;
}

.attempt-counter.warning {
    color: var(--warning);
}

.attempt-counter.danger {
    color: var(--error);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.attempt-dots {
    display: flex;
    gap: 6px;
}

.attempt-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 2px solid var(--border-light);
    transition: all var(--transition-fast);
    position: relative;
}

/* Unused attempts have subtle glow */
.attempt-dot:not(.wrong):not(.correct) {
    box-shadow: inset 0 0 8px rgba(255, 255, 255, 0.05);
}

.attempt-dot.wrong {
    background-color: var(--error);
    border-color: var(--error);
    animation: attemptWrong 0.4s ease;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.attempt-dot.correct {
    background-color: var(--success);
    border-color: var(--success);
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

/* Warning state - few attempts left */
.attempt-indicator.warning .attempt-dot:not(.wrong):not(.correct) {
    border-color: var(--warning);
    animation: warningPulse 1.5s ease-in-out infinite;
}

/* Danger state - last attempt */
.attempt-indicator.danger .attempt-dot:not(.wrong):not(.correct) {
    border-color: var(--error);
    animation: dangerPulse 0.8s ease-in-out infinite;
}

@keyframes attemptWrong {
    0% { transform: scale(1); }
    20% { transform: scale(1.3); }
    40% { transform: translateX(-4px); }
    60% { transform: translateX(4px); }
    80% { transform: translateX(-2px); }
    100% { transform: translateX(0) scale(1); }
}

@keyframes warningPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(234, 179, 8, 0);
    }
    50% {
        box-shadow: 0 0 8px 2px rgba(234, 179, 8, 0.4);
    }
}

@keyframes dangerPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 12px 3px rgba(239, 68, 68, 0.5);
        transform: scale(1.05);
    }
}

/* ========================================
   Action Buttons
   ======================================== */

.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.btn-primary {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-secondary);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-hover);
}

.btn-twitter {
    background-color: #000000;
    color: #ffffff;
    border: 1px solid #333;
}

.btn-twitter:hover:not(:disabled) {
    background-color: #1a1a1a;
}

.btn-whatsapp {
    background-color: #25D366;
    color: #ffffff;
}

.btn-whatsapp:hover:not(:disabled) {
    background-color: #1da851;
}

.btn-reddit {
    background-color: #FF4500;
    color: #ffffff;
}

.btn-reddit:hover:not(:disabled) {
    background-color: #e03d00;
}

/* ========================================
   Feedback Message
   ======================================== */

.feedback-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    animation: slideUp 0.3s ease;
}

.feedback-message.success {
    background-color: rgba(74, 222, 128, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.feedback-message.error {
    background-color: rgba(248, 113, 113, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

/* ========================================
   Win Screen
   ======================================== */

.win-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
}

.win-content {
    max-width: 400px;
}

.win-title {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.win-title.game-over {
    color: var(--error);
}

.win-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.win-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.win-chain {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.win-chain-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
}

.win-chain-row--center {
    /* Middle movie gets subtle emphasis */
    padding: var(--spacing-xs) var(--spacing-md);
}

.win-chain-connector {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
}

.win-chain-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.win-chain-poster {
    width: 50px;
    height: 75px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.win-chain-person {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 50%;
}

.win-chain-name {
    font-size: 0.5rem;
    color: var(--text-muted);
    max-width: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-top: 2px;
}

.win-chain-arrow {
    color: var(--text-muted);
    font-size: 1.25rem;
}

.win-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.next-challenge {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.countdown {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    margin-top: var(--spacing-sm);
}

/* ========================================
   End Credits
   ======================================== */

.end-credits {
    width: 100%;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.end-credits-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.end-credits-toggle:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
}

.end-credits-chevron {
    transition: transform var(--transition-normal);
}

.end-credits-toggle.expanded .end-credits-chevron {
    transform: rotate(180deg);
}

.end-credits-content {
    margin-top: var(--spacing-md);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    overflow: hidden;
}

.credits-roll {
    animation: creditsReveal 0.6s ease-out;
}

@keyframes creditsReveal {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.credits-section {
    margin-bottom: var(--spacing-xl);
    text-align: center;
    animation: creditsFadeIn 0.5s ease-out backwards;
}

.credits-section:nth-child(1) { animation-delay: 0.1s; }
.credits-section:nth-child(2) { animation-delay: 0.25s; }
.credits-section:nth-child(3) { animation-delay: 0.4s; }
.credits-section:nth-child(4) { animation-delay: 0.55s; }

@keyframes creditsFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.credits-heading {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    margin-bottom: var(--spacing-md);
}

.credits-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

/* Starring Section */
.credits-starring {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

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

.credits-person-img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.25);
}

.credits-person-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    max-width: 100px;
    text-align: center;
}

.credits-person-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Facts Section */
.credits-facts {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 350px;
}

.credits-fact {
    padding: var(--spacing-sm) 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    line-height: 1.5;
}

.credits-fact:last-child {
    border-bottom: none;
}

.credits-fact-highlight {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Shared label style for Quote and Fun Fact */
.credits-fact-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
    opacity: 0.7;
}

.credits-fact-tagline-wrapper {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    border-left: 3px solid var(--accent-primary);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    text-align: center;
}

.credits-fact-tagline-wrapper .credits-fact-label {
    color: var(--accent-primary);
}

.credits-fact-tagline-quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

.credits-fact-tagline-source {
    font-size: 0.75rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Fun Facts */
.credits-fact-funfact-wrapper {
    background: linear-gradient(135deg, rgba(100, 149, 237, 0.1) 0%, rgba(100, 149, 237, 0.05) 100%);
    border-left: 3px solid #6495ed;
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    text-align: left;
}

.credits-fact-funfact-wrapper .credits-fact-label {
    color: #6495ed;
}

.credits-fact-funfact-content {
    flex: 1;
}

.credits-fact-funfact-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.credits-fact-funfact-source {
    font-size: 0.75rem;
    color: #6495ed;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Alternative Paths */
.credits-alt-paths {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: 350px;
    margin: 0 auto;
}

.credits-alt-path {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.credits-alt-path-item {
    color: var(--text-primary);
    font-weight: 500;
}

.credits-alt-path-arrow {
    color: var(--text-muted);
}

/* Stats Section */
.credits-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.credits-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 60px;
}

.credits-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.credits-stat-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.credits-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-md);
}

.credits-tagline {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin: 0;
}

/* Responsive */
@media (max-width: 480px) {
    .credits-starring {
        gap: var(--spacing-lg);
    }

    .credits-person-img {
        width: 55px;
        height: 55px;
    }

    .credits-person-name {
        font-size: 0.8rem;
    }

    .credits-stats {
        gap: var(--spacing-lg);
    }

    .credits-stat-value {
        font-size: 1.25rem;
    }

    .end-credits-content {
        padding: var(--spacing-lg);
    }
}

/* ========================================
   Modals
   ======================================== */

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    position: relative;
    max-width: 480px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    color: var(--text-muted);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-content h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

/* Help Modal / Tutorial */
.help-content {
    text-align: center;
}

/* Tutorial Chain Visualization */
.tutorial-chain {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg) var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

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

.tutorial-icon {
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
}

.tutorial-node.movie .tutorial-icon {
    border-radius: var(--radius-md);
}

.tutorial-node.person .tutorial-icon {
    border-radius: 50%;
    border-style: dashed;
    border-color: var(--accent-primary);
}

.tutorial-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-primary);
}

.tutorial-arrow {
    color: var(--text-muted);
    font-size: 1rem;
}

/* The One Rule */
.tutorial-rule {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), transparent);
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    text-align: left;
}

.tutorial-rule strong {
    color: var(--accent-primary);
}

/* Example */
.tutorial-example {
    margin-bottom: var(--spacing-lg);
}

.example-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.example-chain {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    line-height: 1.8;
}

.ex-movie {
    color: var(--text-secondary);
}

.ex-person {
    color: var(--accent-primary);
    font-weight: 500;
}

.ex-arrow {
    color: var(--text-muted);
}

/* Quick Tips */
.tutorial-tips {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.tip {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.tip-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tutorial-disclaimer {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-sm);
}

.tutorial-disclaimer strong {
    color: var(--accent-primary);
    letter-spacing: 0.05em;
}

/* Stats Modal */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stats-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.stat-box-won .stat-value {
    color: var(--success);
}

.stat-box-lost .stat-value {
    color: var(--error);
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

/* Stats Distribution Chart */
.stats-distribution {
    margin-top: var(--spacing-lg);
}

.stats-distribution h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.distribution-empty {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-style: italic;
    letter-spacing: 0.05em;
}

.distribution-chart {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.distribution-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.distribution-label {
    width: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.distribution-bar-container {
    flex: 1;
    height: 20px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.distribution-bar {
    height: 100%;
    background-color: var(--accent-primary);
    border-radius: var(--radius-sm);
    transition: width 0.5s ease-out;
    min-width: 0;
}

.distribution-bar.highlight {
    background-color: var(--success);
}

.distribution-count {
    width: 30px;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

/* Test Mode */
.test-mode-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.test-mode-warning {
    padding: var(--spacing-md);
    background-color: rgba(251, 191, 36, 0.1);
    border: 1px solid var(--warning);
    border-radius: var(--radius-md);
    color: var(--warning);
    font-size: 0.875rem;
    text-align: center;
}

.test-mode-section h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.test-mode-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.test-mode-buttons .btn {
    width: 100%;
    justify-content: center;
}

.challenge-selector {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.challenge-input {
    width: 80px;
    padding: var(--spacing-sm);
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 640px) {
    .logo {
        font-size: 1rem;
    }

    .puzzle-chain {
        padding: var(--spacing-md);
        gap: var(--spacing-xs);
    }

    .chain-node {
        min-width: 60px;
    }

    .chain-node-img {
        width: 50px;
        height: 75px;
    }

    .chain-node-person .chain-node-img {
        width: 50px;
        height: 50px;
    }

    .drop-zone {
        width: 70px;
        height: 95px;
        padding: var(--spacing-xs);
    }

    .drop-zone.chain-node-person {
        width: 70px;
        height: 70px;
    }

    .drop-zone .placed-piece img {
        width: 50px;
        height: 75px;
    }

    .drop-zone.chain-node-person .placed-piece img {
        width: 50px;
        height: 50px;
    }

    .chain-arrow {
        font-size: 1rem;
    }

    .piece-img {
        width: 50px;
        height: 75px;
    }

    .person-piece .piece-img {
        width: 50px;
        height: 50px;
    }

    .slot-img {
        width: 50px;
        height: 75px;
    }

    .chain-node-person .slot-img {
        width: 50px;
        height: 50px;
    }

    .win-title {
        font-size: 1.5rem;
    }

    /* Tutorial responsive */
    .tutorial-chain {
        gap: 2px;
        padding: var(--spacing-md) var(--spacing-xs);
    }

    .tutorial-icon {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }

    .tutorial-arrow {
        font-size: 0.75rem;
    }

    .tutorial-label {
        font-size: 0.5rem;
    }

    .tutorial-tips {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .example-chain {
        font-size: 0.7rem;
    }

    /* Fixed movie nodes (START/TARGET) responsive */
    .chain-node.fixed {
        min-width: 70px;
    }

    .chain-node.fixed .chain-node-img {
        width: 60px;
        height: 90px;
    }

    .chain-node-title {
        font-size: 0.6rem;
        max-width: 70px;
    }
}

/* Vertical chain layout for narrow portrait screens */
@media (max-width: 500px) {
    .puzzle-chain {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
        overflow-x: visible;
        overflow-y: visible;
    }

    .chain-arrow {
        transform: rotate(90deg);
        margin: 0;
        font-size: 1.2rem;
    }

    .chain-node {
        position: relative;
    }

    .chain-node.fixed {
        min-width: auto;
    }

    .chain-node.fixed .chain-node-img {
        width: 80px;
        height: 120px;
    }

    .chain-node-title {
        max-width: 100px;
        font-size: 0.65rem;
    }

    .drop-zone {
        width: 90px;
        height: 120px;
    }

    .drop-zone.chain-node-person {
        width: 80px;
        height: 80px;
    }

    .drop-zone .placed-piece img {
        width: 60px;
        height: 90px;
    }

    .drop-zone.chain-node-person .placed-piece img {
        width: 60px;
        height: 60px;
    }
}

/* ========================================
   Animations
   ======================================== */

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.confetti-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2000;
}

/* ========================================
   Archive Banner
   ======================================== */

.archive-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
    border-bottom: 1px solid var(--accent-primary);
}

.archive-banner-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.archive-banner-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.archive-banner-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--accent-primary);
}

/* ========================================
   Archive Modal / Calendar
   ======================================== */

.archive-modal-content {
    max-width: 400px;
}

.archive-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.calendar-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.calendar-nav-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.calendar-month-year {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.calendar-grid {
    margin-bottom: var(--spacing-md);
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    margin-bottom: var(--spacing-xs);
}

.calendar-header span {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: var(--spacing-xs);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    position: relative;
    transition: all var(--transition-fast);
}

.calendar-day--empty {
    background-color: transparent;
}

.calendar-day--unavailable {
    opacity: 0.3;
    cursor: not-allowed;
}

.calendar-day--future {
    opacity: 0.5;
    cursor: not-allowed;
}

.calendar-day--today {
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    font-weight: 700;
}

.calendar-day--won {
    background-color: rgba(74, 222, 128, 0.2);
    color: var(--success);
}

.calendar-day--lost {
    background-color: rgba(248, 113, 113, 0.2);
    color: var(--error);
}

.calendar-day--unplayed {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

.calendar-day[data-date] {
    cursor: pointer;
}

.calendar-day[data-date]:hover {
    background-color: var(--bg-hover);
    transform: scale(1.1);
}

.day-status {
    position: absolute;
    font-size: 0.5rem;
    bottom: 2px;
    right: 2px;
}

.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
}

.legend-won {
    background-color: rgba(74, 222, 128, 0.5);
}

.legend-lost {
    background-color: rgba(248, 113, 113, 0.5);
}

.legend-unplayed {
    background-color: var(--bg-tertiary);
}

.legend-today {
    border: 2px solid var(--accent-primary);
    background-color: transparent;
}

/* ========================================
   Achievements
   ======================================== */

.stats-achievements {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stats-achievements h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.achievements-count {
    font-weight: 400;
    color: var(--text-muted);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    transition: max-height 0.3s ease-out;
}

.achievements-grid.achievements-collapsed {
    max-height: 180px;
    overflow: hidden;
    position: relative;
}

.achievements-grid.achievements-collapsed::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--bg-primary));
    pointer-events: none;
}

.achievements-grid.achievements-expanded {
    max-height: 2000px;
}

.achievements-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.achievements-toggle:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.achievements-toggle .toggle-icon {
    transition: transform 0.3s ease;
}

.achievements-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}

.achievement-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

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

/* Custom Tooltip */
.achievement-badge::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    pointer-events: none;
    max-width: 200px;
    white-space: normal;
    text-align: center;
}

.achievement-badge:hover::after {
    opacity: 1;
    visibility: visible;
}

.achievement-badge--locked {
    opacity: 0.5;
}

.achievement-badge--locked .achievement-icon {
    filter: grayscale(1);
}

.achievement-badge--unlocked {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), transparent);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.achievement-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.achievement-name {
    font-size: 0.625rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
}

/* Achievement Unlock Modal */
.achievement-modal-content {
    text-align: center;
    max-width: 320px;
}

.achievement-unlock-animation {
    margin-bottom: var(--spacing-lg);
}

.achievement-unlock-icon {
    font-size: 4rem;
    display: inline-block;
    animation: achievementBounce 0.6s ease;
}

@keyframes achievementBounce {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.achievement-unlock-title {
    font-size: 1.25rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.achievement-unlock-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.achievement-unlock-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   Responsive - Achievements & Archive
   ======================================== */

@media (max-width: 640px) {
    .achievements-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .achievement-icon {
        font-size: 1.25rem;
    }

    .calendar-day {
        font-size: 0.75rem;
    }

    .archive-banner {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* ========================================
   Theme Banner
   ======================================== */

.theme-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.theme-banner.hidden {
    display: none;
}

.theme-banner__icon {
    font-size: 1.5rem;
}

.theme-banner__text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.theme-banner__text span {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Responsive - Theme Banner */
@media (max-width: 640px) {
    .theme-banner {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .theme-banner__icon {
        font-size: 1.25rem;
    }

    .theme-banner__text {
        font-size: 0.75rem;
    }
}

/* ========================================
   Rank System
   ======================================== */

/* Stats Modal - Rank Section Title */
.rank-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Stats Modal - Rank Display */
.rank-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.rank-badge-large {
    font-size: 3rem;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.rank-info {
    flex: 1;
}

.rank-name {
    display: block;
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.rank-progress-container {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.rank-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 4px;
    transition: width 0.5s ease-out;
}

.rank-next-info {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Win Screen - Rank Badge */
.win-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    opacity: 0.8;
}

.win-rank-badge {
    font-size: 1.5rem;
}

.win-rank-name {
    font-size: 0.875rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Promotion Modal */
.promotion-modal {
    text-align: center;
    padding: var(--spacing-xl);
}

.promotion-header {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-lg);
    animation: pulse 0.5s ease-in-out;
}

.promotion-ranks {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.promotion-old {
    opacity: 0.5;
}

.promotion-arrow {
    color: var(--accent-primary);
    animation: slideRight 0.3s ease-out;
}

.promotion-new {
    color: var(--accent-primary);
    font-weight: bold;
    animation: scaleIn 0.3s ease-out;
}

.promotion-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

@keyframes scaleIn {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes slideRight {
    from { transform: translateX(-10px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* End Credits - Rank Stat */
.credits-stat-rank .credits-stat-value {
    font-size: 2rem;
}

/* Responsive - Rank System */
@media (max-width: 640px) {
    .rank-display {
        padding: var(--spacing-md);
    }

    .rank-badge-large {
        font-size: 2.5rem;
    }

    .rank-name {
        font-size: 1rem;
    }

    .promotion-ranks {
        font-size: 1rem;
        flex-wrap: wrap;
    }
}

/* Tutorial Links Container */
.tutorial-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Tutorial Learn More Link */
.tutorial-learn-more {
    display: inline-block;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.tutorial-learn-more:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}