/* Tailwind CSS CDN */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

/* Custom color variables */
:root {
    --primary-red: #FF6B6B;
    --primary-teal: #4ECDC4;
    --primary-yellow: #FFE66D;
    --bg-light: #F7F9FC;
    --bg-white: #FFFFFF;
    --text-dark: #2D3436;
    --text-gray: #636E72;
    --success-green: #00B894;
    --danger-red: #FF7675;
    --purple: #6C5CE7;
}

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

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-light) 0%, #E8F0F8 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Game Container */
.game-container {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.1),
        0 0 0 4px rgba(255, 255, 255, 0.5);
    max-width: 600px;
    width: 100%;
}

/* Header */
.game-header {
    text-align: center;
    margin-bottom: 24px;
}

.game-title {
    font-size: 12px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-red), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.game-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-gray);
}

/* Info Panel */
.info-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.score-card, .status-card {
    background: linear-gradient(135deg, #FFFFFF, #F8F9FA);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--primary-teal);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.score-card:hover, .status-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.score-label, .status-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.score-value, .status-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-teal), var(--success-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.status-card {
    border-color: var(--primary-yellow);
}

.status-value {
    font-size: 18px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Canvas Wrapper */
.canvas-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
    padding: 16px;
    background: linear-gradient(135deg, #F0F4F8, #E8EEF5);
    border-radius: 20px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.06);
}

#gameCanvas {
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    display: block;
    border: 3px solid var(--primary-teal);
}

/* Controls */
.controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.btn {
    font-family: 'Nunito', sans-serif;
    font-size: 16px;
    font-weight: 700;
    padding: 14px 32px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--success-green), var(--primary-teal));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 184, 148, 0.3);
}

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

.btn-secondary {
    background: linear-gradient(135deg, var(--primary-red), var(--danger-red));
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 118, 117, 0.3);
}

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

/* Mobile Controls */
.mobile-controls {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.control-row {
    display: flex;
    gap: 8px;
}

.control-btn {
    width: 60px;
    height: 60px;
    font-size: 24px;
    font-weight: 700;
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-teal), var(--success-green));
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

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

/* Footer */
.game-footer {
    text-align: center;
    border-top: 2px solid #E8EEF5;
    padding-top: 20px;
}

.instructions {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 8px;
}

.instructions:last-child {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 640px) {
    .game-container {
        padding: 20px;
    }

    .game-title {
        font-size: 28px;
    }

    .info-panel {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .score-card, .status-card {
        padding: 12px;
    }

    .score-value {
        font-size: 24px;
    }

    #gameCanvas {
        max-width: 100%;
        height: auto;
    }

    .mobile-controls {
        display: flex;
    }

    .instructions {
        font-size: 12px;
    }
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}