:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --primary-color: #38bdf8;
    --secondary-color: #94a3b8;
    --text-color: #f1f5f9;
    --accent-color: #818cf8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.container {
    width: 90vw;
    max-width: 1000px;
    height: 90vh;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
}

header {
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--secondary-color);
    font-weight: 300;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.canvas-container {
    position: relative;
    flex: 1;
    background: var(--card-bg);
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

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

.overlay {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
}

.primary-btn, .secondary-btn {
    padding: 0.8rem 2rem;
    border-radius: 9999px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: 0 4px 14px 0 rgba(56, 189, 248, 0.39);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.45);
}

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

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(5px);
    border: 1px solid var(--glass-border);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-item .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.stat-item .value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.stat-item .unit {
    font-size: 0.75rem;
    color: var(--secondary-color);
}

footer {
    text-align: center;
    color: var(--secondary-color);
    font-size: 0.8rem;
    opacity: 0.5;
}

@media (max-width: 640px) {
    .stats {
        gap: 1.5rem;
    }
    .stat-item .value {
        font-size: 1.2rem;
    }
}