@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&display=swap');

:root {
    --bg-color: #1A1400;
    --primary-color: #F39C12;
    --secondary-color: #F1C40F;
    --accent-color: #E74C3C;
    --text-color: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

#game-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    max-height: 700px;
    background: var(--bg-color);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
    pointer-events: none;
}

.screen {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    text-align: center;
    pointer-events: auto;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    display: none;
}

.screen.active {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(to bottom, var(--secondary-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: -2px;
}

.score-display {
    position: absolute;
    top: 2rem;
    width: 100%;
    text-align: center;
    font-size: 4rem;
    font-weight: 900;
    color: var(--text-color);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 5;
    pointer-events: none;
}

.btn {
    background: var(--primary-color);
    color: var(--bg-color);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    margin-top: 1rem;
}

.btn:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

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

.game-over-stats {
    margin: 1.5rem 0;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.stat-label {
    opacity: 0.7;
}

.stat-value {
    font-weight: 700;
    color: var(--secondary-color);
}

/* Background patterns */
#game-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--glass-border) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: -1;
}