/* Skip to main content link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color, #4a90d9);
    color: #fff;
    padding: 8px 16px;
    z-index: 10000;
    font-size: 14px;
    border-radius: 0 0 4px 0;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #9b59b6;
    --primary-dark: #7d3fa1;
    --primary-light: #b06dca;
    --bg-dark: #0f0f23;
    --bg-card: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --accent-cyan: #00d4ff;
    --accent-magenta: #ff00ff;
    --accent-yellow: #ffff00;

    /* Block Colors (Neon) */
    --block-i: #00d4ff;      /* Cyan */
    --block-o: #ffff00;      /* Yellow */
    --block-t: #ff00ff;      /* Magenta */
    --block-s: #00ff00;      /* Green */
    --block-z: #ff0080;      /* Pink */
    --block-j: #ff8000;      /* Orange */
    --block-l: #0080ff;      /* Blue */
}

html, body {
    width: 100%;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Grid */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(155, 89, 182, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(155, 89, 182, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

/* === APP LOADER === */
.app-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeOut 0.3s ease-in-out 1.5s forwards;
}

.loader-content {
    text-align: center;
}

.loader-emoji {
    font-size: 60px;
    margin-bottom: 16px;
    display: block;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(155, 89, 182, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin 0.8s linear infinite;
}

.loader-text {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

@keyframes fadeOut {
    to { opacity: 0; pointer-events: none; }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* === GAME WRAPPER === */
.game-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    z-index: 100;
    background: var(--bg-dark);
}

.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    transition: opacity 0.3s ease;
    opacity: 0;
    pointer-events: none;
    background: var(--bg-dark);
}

.screen.active {
    display: flex !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

.screen.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

/* === THEME TOGGLE === */
.theme-toggle {
    position: fixed;
    top: 12px;
    right: 56px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

.theme-toggle:active {
    transform: scale(0.95);
}

[data-theme="light"] .theme-toggle {
    background: rgba(155, 89, 182, 0.1);
    border-color: rgba(155, 89, 182, 0.2);
    color: var(--text-primary);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(155, 89, 182, 0.15);
}

/* === LANGUAGE SELECTOR === */
.language-selector {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 1001;
}

.lang-btn {
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    touch-action: manipulation;
}

.lang-btn:hover {
    background: rgba(155, 89, 182, 0.2);
    border-color: var(--primary-color);
}

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

.lang-menu {
    position: absolute;
    top: 50px;
    right: 0;
    background: var(--bg-card);
    border: 1px solid rgba(155, 89, 182, 0.3);
    border-radius: 12px;
    overflow: hidden;
    min-width: 120px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    z-index: 1002;
    animation: slideDown 0.2s ease;
}

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

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

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 14px;
    text-align: left;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    transition: background 0.2s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: rgba(155, 89, 182, 0.2);
}

.lang-option.active {
    background: rgba(155, 89, 182, 0.3);
    color: var(--primary-light);
}

/* === MENU SCREEN === */
.menu-screen {
    justify-content: flex-start;
    padding-top: 40px;
    overflow-y: auto;
    background: var(--bg-dark);
}

.menu-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    gap: 32px;
}

.game-logo {
    text-align: center;
    animation: fadeInDown 0.6s ease;
}

.logo-emoji {
    font-size: 80px;
    display: block;
    margin-bottom: 16px;
    animation: bounce 2s ease infinite;
}

.game-logo h1 {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.logo-sub {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* High Score Display */
.high-score-display {
    text-align: center;
    padding: 24px;
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.15), rgba(0, 212, 255, 0.1));
    border: 1px solid rgba(155, 89, 182, 0.3);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    min-width: 200px;
}

.hs-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.hs-value {
    display: block;
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-light);
    text-shadow: 0 0 10px rgba(176, 109, 202, 0.5);
}

/* Menu Buttons */
.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 280px;
}

.btn-primary, .btn-secondary {
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-primary);
    box-shadow: 0 8px 20px rgba(155, 89, 182, 0.3);
    animation: cta-pulse 2s infinite;
}

@keyframes cta-pulse {
    0% { transform: scale(1); box-shadow: 0 8px 20px rgba(155, 89, 182, 0.3); }
    50% { transform: scale(1.03); box-shadow: 0 10px 30px rgba(155, 89, 182, 0.5); }
    100% { transform: scale(1); box-shadow: 0 8px 20px rgba(155, 89, 182, 0.3); }
}

@media (prefers-reduced-motion: reduce) {
    .btn-primary {
        animation: none !important;
    }
}

.btn-primary:hover {
    box-shadow: 0 12px 30px rgba(155, 89, 182, 0.5);
    transform: translateY(-2px);
}

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

.btn-secondary {
    background: rgba(155, 89, 182, 0.2);
    color: var(--text-primary);
    border: 1px solid rgba(155, 89, 182, 0.4);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(155, 89, 182, 0.3);
    border-color: var(--primary-color);
}

.btn-icon {
    font-size: 14px;
}

.menu-hint {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
}

.home-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 12px;
    margin-top: 8px;
    transition: color 0.2s;
}

.home-link:hover {
    color: var(--primary-light);
}

/* === GAME SCREEN === */
.game-screen {
    background: var(--bg-dark);
    justify-content: flex-start;
}

.game-hud {
    width: 100%;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(155, 89, 182, 0.2);
    background: rgba(26, 26, 46, 0.5);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.hud-left {
    display: flex;
    gap: 24px;
    align-items: center;
}

.hud-score {
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-light);
    text-shadow: 0 0 8px rgba(176, 109, 202, 0.4);
}

.hud-level {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hud-pause {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(155, 89, 182, 0.2);
    border: 1px solid rgba(155, 89, 182, 0.4);
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hud-pause:hover {
    background: rgba(155, 89, 182, 0.3);
}

.hud-pause:active {
    transform: scale(0.95);
}

.game-container {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 12px;
    gap: 16px;
    overflow: hidden;
}

.game-main {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(155, 89, 182, 0.3);
    overflow: hidden;
}

#game-canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
}

.tap-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    animation: pulse 1.5s ease infinite;
}

.tap-hint.hidden {
    display: none;
}

/* Game Sidebar */
.game-sidebar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 200px;
    max-height: 100%;
    overflow-y: auto;
}

.next-preview, .hold-preview {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(155, 89, 182, 0.2);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.next-label, .hold-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

#next-canvas, #hold-canvas {
    display: block;
    width: 100%;
    height: 80px;
    image-rendering: pixelated;
    background: rgba(155, 89, 182, 0.05);
    border-radius: 6px;
}

.btn-hold {
    width: 100%;
    padding: 8px 6px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(155, 89, 182, 0.2);
    border: 1px solid rgba(155, 89, 182, 0.4);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-hold:hover {
    background: rgba(155, 89, 182, 0.3);
}

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

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

/* Game Controls */
.game-controls {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(155, 89, 182, 0.2);
    border-radius: 12px;
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-hint {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    text-align: center;
}

.control-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    flex: 1;
}

.btn-move-left, .btn-move-right, .btn-rotate, .btn-drop, .btn-hard-drop {
    padding: 8px;
    font-size: 20px;
    background: rgba(155, 89, 182, 0.2);
    border: 1px solid rgba(155, 89, 182, 0.4);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.btn-move-left:active, .btn-move-right:active, .btn-rotate:active, .btn-drop:active, .btn-hard-drop:active {
    background: rgba(155, 89, 182, 0.4);
    transform: scale(0.95);
}

.btn-hard-drop {
    grid-column: 1 / -1;
}

/* Responsive */
@media (max-width: 600px) {
    .game-container {
        flex-direction: column;
        padding: 6px;
        gap: 6px;
    }

    .game-main {
        flex: 1;
        min-height: 0;
    }

    .game-sidebar {
        width: 100%;
        height: auto;
        flex-direction: row;
        justify-content: center;
        align-items: stretch;
        overflow-x: auto;
        gap: 6px;
    }

    .next-preview, .hold-preview {
        width: 80px;
        flex-shrink: 0;
        padding: 8px;
    }

    .game-controls {
        flex: 1;
        padding: 8px;
    }

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

    .btn-hard-drop {
        grid-column: 1 / -1;
    }

    .game-logo h1 {
        font-size: 32px;
    }

    .logo-emoji {
        font-size: 60px;
    }

    .menu-content {
        gap: 20px;
    }
}

@media (max-height: 600px) {
    .game-sidebar {
        display: none;
    }
}

/* === OVERLAY === */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

.overlay.hidden {
    display: none;
}

.overlay-card, .gameover-card, .interstitial-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(155, 89, 182, 0.1));
    border: 1px solid rgba(155, 89, 182, 0.3);
    border-radius: 20px;
    padding: 32px;
    max-width: 340px;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: popIn 0.3s ease;
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.overlay-card h2, .gameover-card h2, .interstitial-card h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.pause-buttons, .pause-buttons, .go-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-resume, .btn-quit, .btn-retry, .btn-share, .btn-menu {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-resume, .btn-retry {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-primary);
}

.btn-resume:hover, .btn-retry:hover {
    box-shadow: 0 8px 20px rgba(155, 89, 182, 0.3);
    transform: translateY(-2px);
}

.btn-quit, .btn-share, .btn-menu {
    background: rgba(155, 89, 182, 0.2);
    color: var(--text-primary);
    border: 1px solid rgba(155, 89, 182, 0.4);
}

.btn-quit:hover, .btn-share:hover, .btn-menu:hover {
    background: rgba(155, 89, 182, 0.3);
}

/* === GAMEOVER SCREEN === */
.gameover-screen {
    background: var(--bg-dark);
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-y: auto;
}

.gameover-card {
    max-width: 360px;
    width: 100%;
}

.go-title {
    font-size: 32px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ff1493, var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.go-scores {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
    text-align: center;
}

.go-score-main, .go-score-extra, .go-score-best {
    background: rgba(155, 89, 182, 0.1);
    border: 1px solid rgba(155, 89, 182, 0.2);
    border-radius: 10px;
    padding: 12px;
}

.go-label {
    display: block;
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.go-value {
    display: block;
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-light);
}

.go-new-record {
    font-size: 18px;
    margin-bottom: 16px;
    animation: bounce 0.6s ease;
}

.go-new-record.hidden {
    display: none;
}

.go-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.go-sub-buttons {
    display: flex;
    gap: 12px;
}

.go-sub-buttons .btn-share,
.go-sub-buttons .btn-menu {
    flex: 1;
}

/* === STATS SCREEN === */
.stats-screen {
    background: var(--bg-dark);
    padding-top: 40px;
    overflow-y: auto;
}

.stats-header {
    padding: 16px;
    border-bottom: 1px solid rgba(155, 89, 182, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-back {
    padding: 8px 12px;
    background: rgba(155, 89, 182, 0.2);
    border: 1px solid rgba(155, 89, 182, 0.4);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-back:hover {
    background: rgba(155, 89, 182, 0.3);
}

.stats-header h2 {
    flex: 1;
    font-size: 20px;
}

.stats-content {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    background: rgba(155, 89, 182, 0.1);
    border: 1px solid rgba(155, 89, 182, 0.2);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 13px;
}

.stat-value {
    font-size: 20px;
    font-weight: 900;
    color: var(--primary-light);
}

/* === AD BANNERS === */
.ad-banner {
    background: rgba(155, 89, 182, 0.1);
    border: 1px dashed rgba(155, 89, 182, 0.3);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-top {
    margin-bottom: 12px;
}

.ad-bottom-go {
    margin-top: 20px;
}

.ad-placeholder {
    color: var(--text-secondary);
    font-size: 12px;
}

/* Interstitial */
.interstitial-overlay {
    background: rgba(0, 0, 0, 0.9);
}

.interstitial-card {
    max-width: 320px;
}

.interstitial-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.interstitial-placeholder {
    background: rgba(155, 89, 182, 0.1);
    border: 1px dashed rgba(155, 89, 182, 0.3);
    border-radius: 8px;
    padding: 40px 20px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 13px;
}

.interstitial-timer {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

#ad-countdown {
    font-weight: 900;
    color: var(--primary-light);
    font-size: 18px;
    margin-right: 4px;
}

.btn-close-ad {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-close-ad:hover {
    box-shadow: 0 4px 12px rgba(155, 89, 182, 0.3);
}

.btn-close-ad.hidden {
    display: none;
}

/* === RECOMMENDATIONS === */
.recommendations-section {
    padding: 24px 16px;
    border-top: 1px solid rgba(155, 89, 182, 0.2);
}

.rec-title {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    text-align: center;
}

.rec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 12px;
}

.rec-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: rgba(155, 89, 182, 0.1);
    border: 1px solid rgba(155, 89, 182, 0.2);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
    cursor: pointer;
}

.rec-card:hover {
    background: rgba(155, 89, 182, 0.2);
    border-color: var(--primary-color);
}

.rec-icon {
    font-size: 32px;
}

.rec-name {
    font-size: 11px;
    text-align: center;
    color: var(--text-secondary);
}

/* === FOOTER === */
.game-footer {
    padding: 16px;
    text-align: center;
    border-top: 1px solid rgba(155, 89, 182, 0.2);
    background: rgba(26, 26, 46, 0.5);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--primary-light);
}

/* === UTILITIES === */
.hidden {
    display: none !important;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    body {
        background: var(--bg-dark);
        color: var(--text-primary);
    }
}

/* Light Mode */
[data-theme="light"] {
    --bg-dark: #f5f5fa;
    --bg-card: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #5a5a70;
}

[data-theme="light"] body {
    background: var(--bg-dark);
    color: var(--text-primary);
}

[data-theme="light"] .bg-grid {
    background-image:
        linear-gradient(rgba(155, 89, 182, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(155, 89, 182, 0.02) 1px, transparent 1px);
}

[data-theme="light"] .app-loader {
    background: var(--bg-dark);
}

[data-theme="light"] .game-wrapper {
    background: var(--bg-dark);
}

[data-theme="light"] .screen {
    background: var(--bg-dark);
}

[data-theme="light"] .menu-screen {
    background: var(--bg-dark);
}

[data-theme="light"] .lang-btn {
    background: rgba(155, 89, 182, 0.1);
    border-color: rgba(155, 89, 182, 0.2);
    color: var(--text-primary);
}

[data-theme="light"] .lang-menu {
    background: var(--bg-card);
    border-color: rgba(155, 89, 182, 0.2);
}

[data-theme="light"] .lang-option {
    color: var(--text-primary);
    border-bottom-color: rgba(155, 89, 182, 0.1);
}

[data-theme="light"] .lang-option:hover {
    background: rgba(155, 89, 182, 0.1);
}

[data-theme="light"] .high-score-display {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.08), rgba(0, 212, 255, 0.05));
    border-color: rgba(155, 89, 182, 0.2);
}

[data-theme="light"] .btn-secondary {
    background: rgba(155, 89, 182, 0.1);
    border-color: rgba(155, 89, 182, 0.2);
    color: var(--text-primary);
}

[data-theme="light"] .btn-secondary:hover {
    background: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .game-screen {
    background: var(--bg-dark);
}

[data-theme="light"] .game-hud {
    background: rgba(255, 255, 255, 0.5);
    border-bottom-color: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .game-main {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(155, 89, 182, 0.2);
}

[data-theme="light"] .next-preview,
[data-theme="light"] .hold-preview {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .game-controls {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .overlay-card,
[data-theme="light"] .gameover-card,
[data-theme="light"] .interstitial-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(255, 255, 255, 0.9));
    border-color: rgba(155, 89, 182, 0.2);
}

[data-theme="light"] .gameover-screen {
    background: var(--bg-dark);
}

[data-theme="light"] .stats-screen {
    background: var(--bg-dark);
}

[data-theme="light"] .stats-header {
    border-bottom-color: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .stat-item {
    background: rgba(155, 89, 182, 0.05);
    border-color: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .ad-banner {
    background: rgba(155, 89, 182, 0.05);
    border-color: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .rec-card {
    background: rgba(155, 89, 182, 0.05);
    border-color: rgba(155, 89, 182, 0.15);
}

[data-theme="light"] .rec-card:hover {
    background: rgba(155, 89, 182, 0.1);
}

[data-theme="light"] .game-footer {
    background: rgba(255, 255, 255, 0.5);
    border-top-color: rgba(155, 89, 182, 0.15);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(155, 89, 182, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(155, 89, 182, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(155, 89, 182, 0.5);
}

/* Print Styles */
@media print {
    .recommendations-section,
    .game-footer,
    .sound-toggle,
    .language-selector {
        display: none;
    }
}

/* Selection Color */
::selection {
    background: #9b59b6;
    color: white;
}

::-moz-selection {
    background: #9b59b6;
    color: white;
}

/* Focus Visible - Accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid #9b59b6;
    outline-offset: 2px;
}