/* ============================================
   CopyMe — Pixel Art Retro Style
   Modern polish on 8-bit aesthetics
   ============================================ */

/* === CSS Variables === */
:root {
    /* Dark retro palette */
    --bg-primary: #0f0e17;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1e2d50;
    --bg-surface: #0a0a15;

    /* Accent colors */
    --accent-primary: #e2b714;
    --accent-secondary: #ff6b6b;
    --accent-tertiary: #4ecdc4;
    --accent-purple: #a855f7;
    --accent-blue: #3b82f6;
    --accent-green: #22c55e;

    /* Text */
    --text-primary: #fffffe;
    --text-secondary: #a7a9be;
    --text-muted: #5a5a7a;

    /* Pixel border */
    --pixel-border: #2a2a4a;
    --pixel-shadow: #000000;

    /* Fonts */
    --font-pixel: 'Press Start 2P', monospace;
    --font-ui: 'Inter', system-ui, sans-serif;

    /* Sizes */
    --header-height: 48px;
    --tools-height: 56px;
    --palette-height: 52px;
    --border-radius: 4px;

    /* Pixel-perfect shadow */
    --shadow-pixel: 
        2px 2px 0px var(--pixel-shadow),
        4px 4px 0px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 20px rgba(226, 183, 20, 0.3);
}

/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    overflow: hidden;
    height: 100%;
    height: 100dvh;
}

body {
    font-family: var(--font-ui);
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100%;
    height: 100dvh;
    overflow: hidden;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
}

#app {
    height: 100%;
    height: 100dvh;
    position: relative;
    overflow: hidden;
}

/* === Screens === */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateX(20px);
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

/* === SPLASH SCREEN === */
#screen-splash {
    position: relative;
}

.splash-particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.splash-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    gap: 24px;
    background: 
        radial-gradient(circle at 50% 30%, rgba(226,183,20,0.08) 0%, transparent 60%),
        var(--bg-primary);
    position: relative;
    z-index: 1;
}

.splash-logo {
    font-family: var(--font-pixel);
    font-size: clamp(2rem, 8vw, 3.5rem);
    letter-spacing: 4px;
    text-shadow: var(--shadow-pixel);
    animation: logoFloat 3s ease-in-out infinite;
}

.splash-anim {
    display: inline-block;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) calc(var(--delay) * 0.15s) both;
}

@keyframes splashEntrance {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.7);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.logo-copy {
    color: var(--accent-primary);
    transition: text-shadow 0.3s;
}

.logo-me {
    color: var(--accent-secondary);
    transition: text-shadow 0.3s;
}

.splash-logo:hover .logo-copy {
    animation: glitchShake 0.4s ease;
    text-shadow: 
        2px 0 #e74c3c,
        -2px 0 #3498db,
        var(--shadow-pixel);
}

.splash-logo:hover .logo-me {
    animation: glitchShake 0.4s ease 0.05s;
    text-shadow: 
        -2px 0 #e74c3c,
        2px 0 #3498db,
        var(--shadow-pixel);
}

@keyframes glitchShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-3px) skewX(-2deg); }
    40% { transform: translateX(3px) skewX(2deg); }
    60% { transform: translateX(-2px); }
    80% { transform: translateX(1px); }
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.splash-subtitle {
    font-family: var(--font-pixel);
    font-size: clamp(0.5rem, 2.5vw, 0.75rem);
    color: var(--text-secondary);
    letter-spacing: 2px;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

.splash-pixel-art {
    width: min(200px, 50vw);
    height: min(200px, 50vw);
    border: 3px solid var(--pixel-border);
    background: var(--bg-card);
    box-shadow: var(--shadow-pixel);
    image-rendering: pixelated;
    border-radius: 2px;
    overflow: hidden;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s both;
}

.splash-lang {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.btn-lang {
    font-family: var(--font-pixel);
    font-size: 0.6rem;
    padding: 6px 14px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 2px solid var(--pixel-border);
    cursor: pointer;
    transition: all 0.15s;
}

.btn-lang.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-pixel);
}

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

/* === BUTTONS === */
.btn {
    font-family: var(--font-pixel);
    font-size: clamp(0.55rem, 2vw, 0.7rem);
    padding: 14px 28px;
    border: 3px solid transparent;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.15s;
    position: relative;
    white-space: nowrap;
}

.btn:active {
    transform: translateY(2px);
    box-shadow: none !important;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: #c9a012;
    box-shadow: var(--shadow-pixel);
}

.btn-primary:hover {
    background: #f0c820;
    box-shadow: var(--shadow-glow), var(--shadow-pixel);
}

.btn-glow {
    animation: btnGlow 2s ease-in-out infinite;
}

@keyframes btnGlow {
    0%, 100% { box-shadow: var(--shadow-pixel), 0 0 10px rgba(226,183,20,0.2); }
    50% { box-shadow: var(--shadow-pixel), 0 0 25px rgba(226,183,20,0.5); }
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--pixel-border);
    box-shadow: var(--shadow-pixel);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-success {
    background: var(--accent-green);
    color: var(--bg-primary);
    border-color: #1a9e4e;
    box-shadow: var(--shadow-pixel);
}

.btn-icon {
    width: 36px;
    height: 36px;
    background: var(--bg-card);
    border: 2px solid var(--pixel-border);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

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

/* === LEVEL SELECT === */
.screen-header {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--pixel-border);
    gap: 12px;
}

.screen-title {
    font-family: var(--font-pixel);
    font-size: clamp(0.55rem, 2.5vw, 0.75rem);
    flex: 1;
    color: var(--accent-primary);
}

.header-stars {
    font-family: var(--font-pixel);
    font-size: 0.6rem;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.pack-tabs {
    display: flex;
    gap: 0;
    padding: 0;
    overflow-x: auto;
    scrollbar-width: none;
    background: var(--bg-surface);
    border-bottom: 2px solid var(--pixel-border);
    flex-shrink: 0;
}

.pack-tabs::-webkit-scrollbar { display: none; }

.pack-tab {
    font-family: var(--font-pixel);
    font-size: clamp(0.4rem, 1.5vw, 0.55rem);
    padding: 10px 16px;
    background: transparent;
    color: var(--text-muted);
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
    flex-shrink: 0;
}

.pack-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: rgba(226,183,20,0.05);
}

.pack-tab:hover {
    color: var(--text-secondary);
}

.levels-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 10px;
    padding: 16px;
    overflow-y: auto;
    align-content: start;
}

.level-card {
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 2px solid var(--pixel-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    overflow: hidden;
}

.level-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-pixel);
}

.level-card:active {
    transform: translateY(0);
}

.level-card.locked {
    opacity: 0.4;
    cursor: not-allowed;
}

.level-card.locked:hover {
    transform: none;
    box-shadow: none;
}

.level-card.completed {
    border-color: var(--accent-green);
}

.level-card.perfect {
    border-color: var(--accent-primary);
    box-shadow: 0 0 8px rgba(226,183,20,0.2);
}

.level-number {
    font-family: var(--font-pixel);
    font-size: 0.7rem;
    color: var(--text-primary);
    pointer-events: none;
}

.level-stars {
    font-size: 0.5rem;
    letter-spacing: 1px;
    pointer-events: none;
}

.level-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    image-rendering: pixelated;
    pointer-events: none;
}

.level-lock-icon {
    font-size: 1.2rem;
    opacity: 0.5;
    pointer-events: none;
}

/* === GAME SCREEN === */
.game-header {
    display: flex;
    align-items: center;
    padding: 6px 10px;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--pixel-border);
    gap: 10px;
}

.game-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.game-level-name {
    font-family: var(--font-pixel);
    font-size: clamp(0.45rem, 1.8vw, 0.6rem);
    color: var(--accent-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.game-timer {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--text-secondary);
}

.game-progress {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.progress-bar {
    width: 60px;
    height: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--pixel-border);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-green);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--text-secondary);
    min-width: 28px;
    text-align: right;
}

/* === Canvases === */
.game-canvases {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 6px 10px;
    gap: 6px;
    overflow: hidden;
    min-height: 0;
}

.canvas-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 0;
    min-width: 0;
}

.canvas-label {
    font-family: var(--font-pixel);
    font-size: clamp(0.35rem, 1.2vw, 0.45rem);
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 3px;
    text-align: center;
    flex-shrink: 0;
}

.canvas-wrapper {
    position: relative;
    flex: 1;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--pixel-border);
    background: var(--bg-card);
    overflow: hidden;
    min-height: 0;
}

.canvas-wrapper canvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    max-width: 100%;
    max-height: 100%;
    display: block;
}

#player-wrapper {
    border-color: var(--accent-tertiary);
    box-shadow: 0 0 8px rgba(78,205,196,0.15);
    cursor: crosshair;
}

/* === Palette === */
.palette-container {
    height: var(--palette-height);
    background: var(--bg-secondary);
    border-top: 2px solid var(--pixel-border);
    border-bottom: 2px solid var(--pixel-border);
    padding: 6px 10px;
    flex-shrink: 0;
}

.palette-scroll {
    display: flex;
    gap: 4px;
    height: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    align-items: center;
}

.palette-scroll::-webkit-scrollbar { display: none; }

.palette-color {
    width: 36px;
    height: 36px;
    border: 2px solid var(--pixel-border);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.12s;
    position: relative;
}

.palette-color:hover {
    transform: scale(1.15);
    z-index: 1;
}

.palette-color.active {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px var(--accent-primary), var(--shadow-pixel);
    transform: scale(1.15);
    z-index: 2;
}

.palette-color::after {
    content: '';
    position: absolute;
    bottom: 1px;
    right: 1px;
    width: 4px;
    height: 4px;
    background: rgba(255,255,255,0.3);
}

.palette-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    font-weight: bold;
    text-shadow: 0 0 3px rgba(0,0,0,0.5);
    pointer-events: none;
    z-index: 1;
}


/* === Tools Bar === */
.tools-bar {
    height: var(--tools-height);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    padding: 6px 10px;
    gap: 4px;
    flex-shrink: 0;
}

.tool-btn {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 2px solid var(--pixel-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.12s;
    flex-shrink: 0;
}

.tool-btn:hover {
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

.tool-btn:active {
    transform: translateY(1px);
}

.tool-btn.active {
    border-color: var(--accent-primary);
    background: rgba(226,183,20,0.15);
    box-shadow: 0 0 8px rgba(226,183,20,0.2);
}

.tool-icon {
    font-size: 1.1rem;
    line-height: 1;
}

.tool-separator {
    width: 2px;
    height: 28px;
    background: var(--pixel-border);
    margin: 0 4px;
    flex-shrink: 0;
}

.btn-check {
    margin-left: auto;
    padding: 8px 14px;
    font-size: clamp(0.4rem, 1.5vw, 0.55rem);
}

/* === MODAL === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    backdrop-filter: blur(4px);
}

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

.modal-content {
    background: var(--bg-card);
    border: 3px solid var(--pixel-border);
    padding: 28px;
    max-width: 340px;
    width: calc(100% - 40px);
    box-shadow: var(--shadow-pixel), 0 0 40px rgba(0,0,0,0.5);
    animation: modalPop 0.3s ease-out;
}

@keyframes modalPop {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.result-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.result-stars {
    font-size: 2.5rem;
    letter-spacing: 8px;
}

.result-stars .star-empty {
    opacity: 0.2;
}

.result-title {
    font-family: var(--font-pixel);
    font-size: clamp(0.6rem, 2.5vw, 0.8rem);
    color: var(--accent-primary);
}

.result-stats {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--text-secondary);
    line-height: 2;
}

.result-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 8px;
}

/* === PARTICLES === */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 50;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    pointer-events: none;
}

.particle-pixel {
    animation: particleFly 0.8s ease-out forwards;
}

@keyframes particleFly {
    0% { opacity: 1; transform: translate(0, 0) scale(1); }
    100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(0); }
}

.particle-star {
    animation: starBurst 1s ease-out forwards;
    font-size: 1.5rem;
}

@keyframes starBurst {
    0% { opacity: 1; transform: translate(0, 0) scale(0.5) rotate(0deg); }
    50% { opacity: 1; transform: translate(var(--dx), var(--dy)) scale(1.2) rotate(180deg); }
    100% { opacity: 0; transform: translate(calc(var(--dx) * 1.5), calc(var(--dy) * 1.5)) scale(0) rotate(360deg); }
}

/* === Hint highlight === */
.hint-highlight {
    animation: hintPulse 1s ease-in-out 3;
}

@keyframes hintPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(226,183,20,0); }
    50% { box-shadow: 0 0 0 4px rgba(226,183,20,0.6); }
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
    background: var(--pixel-border);
}

/* === Responsive: small phones (portrait, < 400px) === */
@media (max-width: 400px) {
    :root {
        --header-height: 40px;
        --tools-height: 48px;
        --palette-height: 44px;
    }

    .game-level-name {
        font-size: 0.4rem;
    }

    .tool-btn {
        width: 34px;
        height: 34px;
    }

    .tool-icon {
        font-size: 0.9rem;
    }

    .palette-color {
        width: 30px;
        height: 30px;
    }

    .btn-check {
        padding: 6px 10px;
        font-size: 0.35rem;
    }

    .game-canvases {
        padding: 4px 6px;
        gap: 4px;
    }

    .canvas-label {
        font-size: 0.3rem;
        margin-bottom: 2px;
    }

    .mode-badge {
        font-size: 0.3rem;
        padding: 2px 5px;
    }
}

/* === Responsive: all phones portrait (≤767px) === */
@media (max-width: 767px) and (orientation: portrait) {
    .game-canvases {
        flex-direction: column;
        padding: 4px 8px;
        gap: 4px;
    }

    .canvas-section {
        flex: 1;
        min-height: 0;
        max-height: 50%;
    }

    /* Constrain canvases so they evenly share vertical space */
    .canvas-wrapper {
        max-height: 100%;
        aspect-ratio: 1;
        width: auto;
        max-width: 100%;
        margin: 0 auto;
    }
}

/* === Responsive: landscape (any width) === */
@media (orientation: landscape) {
    .game-canvases {
        flex-direction: row;
        gap: 8px;
    }

    .canvas-section {
        flex: 1;
        min-width: 0;
    }

    /* In landscape, make labels horizontal-compact */
    .canvas-label {
        font-size: 0.3rem;
        margin-bottom: 1px;
    }

    /* Constrain canvas to available height */
    .canvas-wrapper {
        aspect-ratio: 1;
        height: 100%;
        width: auto;
        max-width: 100%;
        margin: 0 auto;
    }
}

/* === Responsive: tablets and larger (≥768px) === */
@media (min-width: 768px) {
    :root {
        --header-height: 56px;
        --tools-height: 64px;
        --palette-height: 60px;
    }

    .levels-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: 14px;
    }

    .palette-color {
        width: 42px;
        height: 42px;
    }

    .tool-btn {
        width: 48px;
        height: 48px;
    }

    .game-canvases {
        padding: 10px 16px;
        gap: 12px;
    }

    .modal-content {
        max-width: 420px;
    }

    /* Tablets in portrait: side-by-side layout */
    .game-canvases {
        flex-direction: row;
    }

    .canvas-section {
        flex: 1;
        min-width: 0;
    }

    .canvas-wrapper {
        aspect-ratio: 1;
        height: 100%;
        width: auto;
        max-width: 100%;
        margin: 0 auto;
    }
}

/* === Responsive: desktop (≥1024px) === */
@media (min-width: 1024px) {
    .game-canvases {
        flex-direction: row;
        max-width: 1200px;
        margin: 0 auto;
        gap: 16px;
    }

    .levels-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        max-width: 800px;
        margin: 0 auto;
    }
}

/* === Safe area for notched phones === */
@supports (padding: env(safe-area-inset-bottom)) {
    .tools-bar {
        padding-bottom: calc(6px + env(safe-area-inset-bottom));
    }

    #screen-splash .splash-container {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* === Dark scanlines effect (subtle retro CRT feel) === */
.game-canvases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0,0,0,0.03) 2px,
        rgba(0,0,0,0.03) 4px
    );
    pointer-events: none;
    z-index: 1;
}

.game-canvases {
    position: relative;
}

/* === Screen shake animation === */
.shake {
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* === Pixel perfect checkerboard for empty cells === */
.checkerboard-pattern {
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.03) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.03) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.03) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.03) 75%);
}

/* === MODE BADGE in game header === */
.mode-badge-wrap {
    flex-shrink: 0;
}

.mode-badge {
    font-family: var(--font-pixel);
    font-size: clamp(0.35rem, 1.2vw, 0.45rem);
    color: var(--bg-primary);
    background: var(--accent-purple);
    padding: 3px 8px;
    border: 1px solid rgba(255,255,255,0.15);
    white-space: nowrap;
}

/* === MODE SELECTOR MODAL === */
.mode-content {
    max-width: 420px;
}

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

.mode-selector-title {
    font-family: var(--font-pixel);
    font-size: clamp(0.5rem, 2vw, 0.7rem);
    color: var(--accent-primary);
}

.mode-close {
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
}

.mode-subtitle {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.mode-selector-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mode-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-surface);
    border: 2px solid var(--pixel-border);
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    position: relative;
}

.mode-card:hover:not(.locked) {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-pixel);
}

.mode-card:active:not(.locked) {
    transform: translateX(2px);
}

.mode-card.locked {
    opacity: 0.4;
    cursor: not-allowed;
}

.mode-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
    width: 40px;
    text-align: center;
}

.mode-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.mode-name {
    font-family: var(--font-pixel);
    font-size: clamp(0.45rem, 1.5vw, 0.55rem);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.mode-desc {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.mode-lock {
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 0.9rem;
}

/* === MEMORY MODE === */
.memory-countdown {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.4);
    z-index: 5;
    gap: 8px;
    pointer-events: none;
}

.countdown-number {
    font-family: var(--font-pixel);
    font-size: 2.5rem;
    color: var(--accent-primary);
    text-shadow: var(--shadow-pixel);
    animation: countdownPulse 1s ease-in-out infinite;
}

.countdown-label {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

.countdown-urgent .countdown-number {
    color: var(--accent-secondary);
    animation: countdownPulseUrgent 0.5s ease-in-out infinite;
}

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

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

/* Memory hidden state: blur + fade the original */
.memory-hidden {
    position: relative;
}

.memory-hidden canvas {
    filter: blur(12px) brightness(0.3);
    transition: filter 0.5s ease;
}

.memory-hidden::after {
    content: '🧠';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    z-index: 5;
    animation: memoryBrainPulse 2s ease-in-out infinite;
}

@keyframes memoryBrainPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

.memory-visible canvas {
    filter: none;
    transition: filter 0.3s ease;
}
/* ============================================
   XP BAR (Splash)
   ============================================ */
.xp-bar-container {
    width: 100%;
    max-width: 400px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 2px solid var(--pixel-border);
    border-radius: 8px;
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 1.2s both;
}

.xp-level-name {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: var(--accent-primary);
    text-align: center;
    letter-spacing: 0.5px;
}

.xp-bar-track {
    width: 100%;
    height: 10px;
    background: var(--bg-surface);
    border-radius: 5px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
}

.xp-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #a855f7, #e2b714, #f39c12);
    border-radius: 5px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 8px rgba(226, 183, 20, 0.4);
}

.xp-bar-label {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-align: center;
}

@keyframes xpLevelUp {
    0% { box-shadow: 0 0 0px var(--accent-primary); }
    50% { box-shadow: 0 0 25px var(--accent-primary); }
    100% { box-shadow: 0 0 0px var(--accent-primary); }
}

.xp-bar-container.level-up {
    animation: xpLevelUp 1.5s ease-out;
    border-color: var(--accent-primary);
}

/* ============================================
   SKIN SELECTOR (Splash)
   ============================================ */
.skin-selector {
    display: flex;
    gap: 6px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 400px;
    margin-top: 6px;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 1.35s both;
}

.skin-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.15);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skin-dot:hover {
    transform: scale(1.15);
    border-color: rgba(255,255,255,0.4);
}

.skin-dot.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(226, 183, 20, 0.4);
    transform: scale(1.15);
}

.skin-dot.locked {
    opacity: 0.35;
    cursor: default;
}

.skin-dot.locked::after {
    content: '🔒';
    font-size: 0.55rem;
    position: absolute;
}

/* ============================================
   DAILY CHALLENGE CARD (Splash)
   ============================================ */
.daily-challenge-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 400px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #1a2a3a 0%, #162040 50%, #1a2a3a 100%);
    border: 2px solid #3b82f6;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.25s ease;
    margin-bottom: 8px;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.15);
    position: relative;
    overflow: hidden;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s both;
}

.daily-challenge-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 60%);
    animation: dailyPulse 3s ease-in-out infinite;
}

@keyframes dailyPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 1; }
}

.daily-challenge-card:hover {
    border-color: #60a5fa;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.daily-challenge-card:active {
    transform: translateY(1px);
}

.daily-challenge-card.completed {
    border-color: var(--accent-green);
    background: linear-gradient(135deg, #1a2a2a 0%, #162520 50%, #1a2a2a 100%);
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.15);
}

.daily-challenge-card.completed::before {
    background: radial-gradient(circle, rgba(34,197,94,0.08) 0%, transparent 60%);
}

.daily-left {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.daily-icon {
    font-size: 1.6rem;
}

.daily-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.daily-title {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.daily-timer {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.daily-right {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.daily-streak {
    font-family: var(--font-pixel);
    font-size: 0.55rem;
    color: #f97316;
    background: rgba(249, 115, 22, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.daily-status {
    font-size: 1.2rem;
    color: var(--accent-blue);
}

.daily-challenge-card.completed .daily-status {
    color: var(--accent-green);
}

/* ============================================
   GAME TYPE SELECTOR (Splash)
   ============================================ */
.game-type-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    width: 100%;
    max-width: 400px;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s both;
}

.game-type-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 12px;
    background: var(--bg-card);
    border: 3px solid var(--pixel-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-pixel);
    position: relative;
    overflow: hidden;
}

.game-type-card:nth-child(1) { animation: splashEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s both; }
.game-type-card:nth-child(2) { animation: splashEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.85s both; }
.game-type-card:nth-child(3) { animation: splashEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 1.0s both; }
.game-type-card:nth-child(4) { animation: splashEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 1.15s both; }

.game-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(226,183,20,0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.2s;
}

.game-type-card:hover::before,
.game-type-card:active::before {
    opacity: 1;
}

.game-type-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-pixel), var(--shadow-glow);
}

.game-type-card:active {
    transform: translateY(1px);
    box-shadow: none;
}

.game-type-endless {
    border-color: #8b5cf6;
    background: linear-gradient(135deg, var(--bg-card), rgba(139, 92, 246, 0.08));
}

.game-type-endless:hover {
    border-color: #a855f7;
    box-shadow: 0 0 14px rgba(168, 85, 247, 0.25);
}

.game-type-icon {
    font-size: 2rem;
    line-height: 1;
}

.game-type-name {
    font-family: var(--font-pixel);
    font-size: 0.6rem;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.game-type-desc {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* ============================================
   ESCAPE LEVEL SELECT
   ============================================ */
.escape-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #1a2a1a 100%);
}

.escape-title-icon {
    font-size: 1.2em;
}

.escape-levels-grid {
    flex: 1;
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    overflow-y: auto;
    align-content: start;
}

.escape-level-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 6px;
    background: linear-gradient(145deg, #1a2a1a, var(--bg-card));
    border: 2px solid #2a4a2a;
    border-radius: 8px;
    min-height: 130px;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 4px;
}

.maze-preview {
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    margin: 4px 0;
}

.escape-level-card:not(.locked):hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.2);
}

.escape-level-card.locked {
    opacity: 0.5;
    cursor: default;
}

.escape-level-card.completed {
    border-color: var(--accent-green);
    background: linear-gradient(145deg, #1a3a1a, #16213e);
}

.escape-level-card.perfect {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(226, 183, 20, 0.15);
}

.escape-difficulty {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.escape-level-name {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.4;
}

/* ============================================
   ESCAPE GAME SCREEN
   ============================================ */
.escape-game-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #1a2a1a 100%);
    min-height: var(--header-height);
    flex-shrink: 0;
}

.escape-phase {
    font-size: 1.2rem;
    margin-left: auto;
}

.escape-lives {
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.escape-coins {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--accent-primary);
    padding: 4px 8px;
    background: rgba(226,183,20,0.1);
    border-radius: 4px;
}

.escape-canvas-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    overflow: hidden;
    min-height: 0;
}

.escape-canvas-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    max-height: 100%;
    border: 3px solid #2a4a2a;
    background: var(--bg-surface);
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.1);
    border-radius: 4px;
}

#escape-canvas {
    display: block;
    image-rendering: pixelated;
    cursor: crosshair;
}

.escape-tools-bar {
    display: flex;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-top: 2px solid var(--pixel-border);
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.escape-btn-start {
    font-family: var(--font-pixel) !important;
    font-size: 0.7rem !important;
    padding: 12px 24px !important;
    background: var(--accent-green) !important;
    color: #fff !important;
    border: 3px solid #1a9a4a !important;
    box-shadow: var(--shadow-pixel);
    animation: btnGlow 2s ease-in-out infinite;
    border-radius: 4px;
}

.escape-btn-start:hover {
    background: #2ad265 !important;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.3), var(--shadow-pixel);
}

.escape-btn-start:disabled {
    opacity: 0.4;
    animation: none;
    cursor: default;
}

.escape-btn-clear {
    font-family: var(--font-pixel) !important;
    font-size: 0.6rem !important;
    padding: 10px 18px !important;
    background: var(--bg-card) !important;
    color: var(--text-secondary) !important;
    border: 2px solid var(--pixel-border) !important;
    border-radius: 4px;
}

.escape-btn-clear:hover {
    border-color: var(--accent-secondary) !important;
    color: var(--accent-secondary) !important;
}

/* Responsive: mobile escape */
@media (max-width: 480px) {
    .escape-levels-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 12px;
    }

    .escape-game-header {
        padding: 6px 8px;
        gap: 6px;
    }

    .escape-lives {
        font-size: 0.7rem;
    }

    .escape-coins {
        font-size: 0.45rem;
        padding: 3px 6px;
    }

    .game-type-selector {
        gap: 8px;
    }

    .game-type-card {
        padding: 10px 8px;
    }

    .game-type-icon {
        font-size: 1.6rem;
    }

    .game-type-name {
        font-size: 0.5rem;
    }
}

/* ============================================
   ACHIEVEMENTS
   ============================================ */
.achievement-toast {
    position: fixed;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(30, 25, 50, 0.95), rgba(50, 40, 80, 0.95));
    border: 2px solid #a855f7;
    border-radius: 12px;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(168, 85, 247, 0.3);
    transition: top 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    max-width: 90vw;
}

.achievement-toast.show {
    top: 20px;
}

.achievement-toast-icon {
    font-size: 1.8rem;
    animation: achievePop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s both;
}

@keyframes achievePop {
    from { transform: scale(0) rotate(-20deg); }
    to { transform: scale(1) rotate(0deg); }
}

.achievement-toast-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.achievement-toast-text strong {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: #a855f7;
}

.achievement-toast-text span {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-primary);
}

/* Achievement button on splash */
.btn-achievements {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    padding: 6px 14px;
    background: linear-gradient(135deg, #1a1a3a, #2a1a4a);
    color: #a855f7;
    border: 2px solid #a855f7;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    animation: splashEntrance 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 1.5s both;
}

.btn-achievements:hover {
    background: #2a1a4a;
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.3);
}

/* Achievement grid modal */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
    padding: 12px;
    max-height: 60vh;
    overflow-y: auto;
}

.achievement-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 6px;
    background: var(--bg-card);
    border: 2px solid var(--pixel-border);
    border-radius: 8px;
    text-align: center;
    transition: all 0.2s;
}

.achievement-badge.unlocked {
    border-color: #a855f7;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(30, 25, 50, 0.8));
}

.achievement-badge.locked {
    opacity: 0.4;
    filter: grayscale(0.8);
}

.achievement-badge-icon {
    font-size: 1.5rem;
}

.achievement-badge-name {
    font-family: var(--font-pixel);
    font-size: 0.35rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.achievement-badge-desc {
    font-family: var(--font-ui);
    font-size: 0.55rem;
    color: var(--text-muted);
}

.achievement-counter {
    font-family: var(--font-pixel);
    font-size: 0.45rem;
    color: #a855f7;
    margin-bottom: 4px;
}

/* ============================================
   STATS MODAL
   ============================================ */
.stats-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stats-section {
    background: var(--bg-surface);
    border: 1px solid var(--pixel-border);
    border-radius: 8px;
    padding: 10px 14px;
}

.stats-section-title {
    font-family: var(--font-pixel);
    font-size: 0.4rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px;
    background: var(--bg-card);
    border-radius: 6px;
}

.stat-value {
    font-family: var(--font-pixel);
    font-size: 0.65rem;
    color: var(--accent-primary);
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.6rem;
    color: var(--text-muted);
}

.stats-winrate-bar {
    width: 100%;
    height: 8px;
    background: #e74c3c;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}

.stats-winrate-fill {
    height: 100%;
    background: #22c55e;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.stats-profile-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.stats-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    border: 2px solid var(--accent-primary);
}

.stats-player-info {
    display: flex;
    flex-direction: column;
}

.stats-player-name {
    font-family: var(--font-pixel);
    font-size: 0.5rem;
    color: var(--text-primary);
}

.stats-player-rank {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    color: var(--accent-primary);
}