/* ==========================================
   ESCAPE THE RUG - Flat Design CSS
   No gradients, sharp edges, retro style
   ========================================== */

:root {
    /* Custom Color Palette */
    --primary-blue: #97cce8;      /* Light blue */
    --primary-yellow: #f9d949;    /* Yellow */
    --primary-dark: #115a81;      /* Dark blue */
    --primary-red: #ec544d;       /* Red */
    --primary-brown: #824920;     /* Brown */
    
    /* Semantic colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #1a1f2e;
    --text-primary: #ffffff;
    --text-secondary: #97cce8;
    --border: #115a81;
    
    /* Game colors */
    --player-color: #f9d949;
    --obstacle-color: #ec544d;
    --coin-color: #f9d949;
    --powerup-color: #97cce8;
}

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

body {
    font-family: 'Press Start 2P', 'Courier New', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    width: 100%;
}

/* ==========================================
   HEADER
   ========================================== */
header {
    background: var(--bg-secondary);
    padding: 20px;
    margin-bottom: 15px;
    border: 4px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

header h1 {
    font-size: 1.8em;
    color: var(--primary-yellow);
    text-shadow: 
        3px 3px 0 var(--primary-dark),
        4px 4px 0 var(--primary-red);
    letter-spacing: 2px;
}

.tagline {
    font-size: 0.7em;
    color: var(--primary-blue);
    margin-top: 5px;
}

.header-nav {
    display: flex;
    gap: 10px;
}

.nav-link {
    background: var(--primary-dark);
    color: var(--text-primary);
    padding: 10px 15px;
    text-decoration: none;
    border: 3px solid var(--border);
    font-size: 0.7em;
    transition: all 0.2s;
}

.nav-link:hover {
    background: var(--primary-blue);
    color: var(--primary-dark);
    transform: translateY(-2px);
    border-color: var(--primary-blue);
}

.wallet-section {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* Buttons */
button {
    font-family: 'Press Start 2P', 'Courier New', monospace;
    font-size: 0.7em;
    cursor: pointer;
    transition: all 0.2s;
    border: 3px solid;
    padding: 12px 20px;
    text-transform: uppercase;
}

.btn-wallet {
    background: var(--primary-dark);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-wallet:hover {
    background: var(--primary-blue);
    color: var(--primary-dark);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.btn-wallet-disconnect {
    background: var(--primary-red);
    color: var(--text-primary);
    border-color: #a03030;
}

.btn-wallet-disconnect:hover {
    background: #ff6b63;
    transform: translateY(-2px);
}

.wallet-address {
    background: var(--bg-primary);
    padding: 10px 15px;
    border: 3px solid var(--border);
    font-size: 0.7em;
    color: var(--primary-yellow);
}

/* ==========================================
   CREATOR FEE BANNER
   ========================================== */
.creator-fee-banner {
    background: var(--primary-brown);
    border: 4px solid var(--primary-yellow);
    padding: 15px 20px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: slideDown 0.5s ease-out;
}

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

.banner-icon {
    font-size: 2em;
    animation: bounce 2s ease-in-out infinite;
}

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

.banner-content {
    flex: 1;
}

.banner-content strong {
    color: var(--primary-yellow);
    font-size: 0.9em;
    display: block;
    margin-bottom: 5px;
}

.banner-content p {
    color: var(--text-primary);
    font-size: 0.65em;
    line-height: 1.5;
}

/* ==========================================
   GAME CANVAS
   ========================================== */
.game-wrapper {
    position: relative;
    background: #000;
    border: 4px solid var(--border);
    margin-bottom: 15px;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s;
}

/* ==========================================
   START/GAME OVER SCREENS
   ========================================== */
.start-screen, .game-over {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 10;
}

.game-over.hidden {
    display: none;
}

.start-screen h2 {
    font-size: 2em;
    color: var(--primary-yellow);
    text-shadow: 
        3px 3px 0 var(--primary-dark),
        4px 4px 0 var(--primary-red);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.start-screen p {
    font-size: 0.8em;
    color: var(--primary-blue);
}

.controls {
    color: #888 !important;
    font-size: 0.7em !important;
}

.best-score {
    color: var(--primary-yellow) !important;
    font-size: 1.2em !important;
    margin-top: 10px;
}

.game-over h2 {
    font-size: 3em;
    color: var(--primary-red);
    text-shadow: 
        3px 3px 0 var(--primary-brown),
        4px 4px 0 #000;
    animation: shake 0.5s, pulse 1s ease-in-out infinite 0.5s;
}

.final-score, .final-coins, .final-distance {
    font-size: 1em;
}

.final-score {
    color: var(--primary-yellow);
}

.final-coins {
    color: var(--primary-blue);
}

.final-distance {
    color: var(--primary-yellow);
}

.game-over-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    font-size: 0.8em;
}

.btn-primary {
    background: var(--primary-yellow);
    color: var(--primary-dark);
    border-color: var(--primary-brown);
}

.btn-primary:hover {
    background: #ffd700;
    transform: translateY(-3px);
}

.btn-secondary {
    background: var(--primary-blue);
    color: var(--primary-dark);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: #b0ddf0;
    transform: translateY(-3px);
}

/* ==========================================
   HUD
   ========================================== */
.hud {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.hud-item {
    background: var(--bg-secondary);
    border: 4px solid var(--border);
    padding: 15px;
    text-align: center;
    transition: all 0.2s;
}

.hud-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-yellow);
}

.hud-label {
    display: block;
    font-size: 0.6em;
    color: var(--primary-blue);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.hud-value {
    display: block;
    font-size: 1.5em;
    color: var(--primary-yellow);
    font-family: 'Courier New', monospace;
    text-shadow: 2px 2px 0 var(--primary-dark);
}

.combo-indicator {
    color: var(--primary-blue) !important;
    animation: comboGlow 0.5s ease-in-out;
}

@keyframes comboGlow {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ==========================================
   CONTROLS SECTION
   ========================================== */
.controls-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.controls-card {
    background: var(--bg-secondary);
    border: 4px solid var(--border);
    padding: 20px;
    transition: all 0.2s;
}

.controls-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-yellow);
}

.controls-card h3 {
    font-size: 1em;
    margin-bottom: 15px;
    color: var(--primary-yellow);
    text-shadow: 2px 2px 0 var(--primary-dark);
}

.control-grid, .powerup-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.control-item, .powerup-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    transition: all 0.2s;
}

.control-item:hover, .powerup-item:hover {
    background: var(--primary-dark);
    transform: translateX(5px);
}

.key-display {
    background: var(--primary-dark);
    color: var(--primary-yellow);
    padding: 8px 15px;
    border: 3px solid var(--border);
    font-size: 0.7em;
    min-width: 80px;
    text-align: center;
}

.control-item span {
    color: var(--primary-blue);
    font-size: 0.65em;
}

.powerup-icon {
    font-size: 1.8em;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 3px solid var(--border);
}

.coin-icon {
    border-color: var(--primary-yellow);
}

.burger-icon {
    border-color: var(--primary-red);
}

.diamond-icon {
    border-color: var(--primary-blue);
}

.powerup-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.powerup-info strong {
    color: var(--text-primary);
    font-size: 0.7em;
}

.powerup-info span {
    color: var(--primary-blue);
    font-size: 0.6em;
}

.tips-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tips-list li {
    padding: 10px;
    background: var(--bg-primary);
    border-left: 4px solid var(--primary-yellow);
    color: var(--primary-blue);
    font-size: 0.65em;
    line-height: 1.5;
    transition: all 0.2s;
}

.tips-list li:hover {
    background: var(--primary-dark);
    transform: translateX(5px);
}

.tips-list strong {
    color: var(--primary-yellow);
}

/* ==========================================
   LEADERBOARD
   ========================================== */
.leaderboard {
    background: var(--bg-secondary);
    border: 4px solid var(--border);
    padding: 20px;
}

.leaderboard h3 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.2em;
    color: var(--primary-yellow);
    text-shadow: 2px 2px 0 var(--primary-dark);
}

.leaderboard-list {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 15px;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    margin-bottom: 8px;
    background: var(--bg-primary);
    border: 3px solid var(--border);
    transition: all 0.2s;
}

.leaderboard-item:hover {
    background: var(--primary-dark);
    transform: translateX(5px);
    border-color: var(--primary-yellow);
}

.leaderboard-rank {
    font-size: 1.2em;
    color: var(--primary-yellow);
    min-width: 50px;
    text-align: center;
    text-shadow: 2px 2px 0 var(--primary-dark);
}

.leaderboard-wallet {
    flex: 1;
    font-size: 0.7em;
    color: var(--primary-blue);
    font-family: 'Courier New', monospace;
}

.leaderboard-score {
    font-size: 1.1em;
    color: var(--primary-yellow);
    text-shadow: 2px 2px 0 var(--primary-dark);
}

.loading {
    text-align: center;
    color: #666;
    padding: 30px;
    font-size: 0.7em;
}

#refreshLeaderboard {
    width: 100%;
}

.leaderboard-list::-webkit-scrollbar {
    width: 12px;
}

.leaderboard-list::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border: 2px solid var(--border);
}

.leaderboard-list::-webkit-scrollbar-thumb {
    background: var(--primary-dark);
    border: 2px solid var(--border);
}

.leaderboard-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}

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

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: stretch;
    }

    .header-left {
        text-align: center;
    }

    header h1 {
        font-size: 1.5em;
    }

    .header-nav {
        justify-content: center;
    }

    .wallet-section {
        justify-content: center;
    }

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

    .controls-section {
        grid-template-columns: 1fr;
    }

    .game-over-buttons {
        flex-direction: row;
        flex-wrap: nowrap;
        width: 100%;
        margin: 0;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
    }

    .start-screen h2 {
        font-size: 1.5em;
    }

    .game-over h2 {
        font-size: 2em;
    }

    .banner-content strong {
        font-size: 0.7em;
    }

    .banner-content p {
        font-size: 0.55em;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .start-screen, .game-over {
        flex-wrap: wrap;
        flex-direction: row;
    }
    header h1 {
        font-size: 1.2em;
    }

    .nav-link {
        font-size: 0.6em;
        padding: 8px 12px;
    }

    .hud-value {
        font-size: 1.2em;
    }

    .controls-card {
        padding: 15px;
    }

    .key-display {
        min-width: 60px;
        font-size: 0.6em;
    }

    button {
        font-size: 0.6em;
    }
}

/* ==========================================
   PRINT
   ========================================== */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .game-wrapper,
    .controls-section,
    .leaderboard {
        border: 2px solid #000;
    }
}