:root {
    --bg-deep: #030307;
    --card-bg: rgba(20, 22, 30, 0.45);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(0, 240, 255, 0.4);
    --primary-accent: #00f0ff;
    --secondary-accent: #7000ff;
    --danger-accent: #ff0055;
    --warning-accent: #ffb700;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-blur: blur(20px);
    --neon-glow: 0 8px 32px rgba(0, 240, 255, 0.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: 'Exo 2', 'Segoe UI', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.6;
    position: relative;
}

body::before,
body::after {
    content: '';
    position: fixed;
    width: 50vw;
    height: 50vw;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.3;
    pointer-events: none;
    animation: floatOrb 20s infinite alternate ease-in-out;
}

body::before {
    background: radial-gradient(circle, var(--secondary-accent) 0%, transparent 70%);
    top: -20%;
    left: -10%;
}

body::after {
    background: radial-gradient(circle, var(--primary-accent) 0%, transparent 70%);
    bottom: -20%;
    right: -10%;
    animation-delay: -10s;
}

@keyframes floatOrb {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 10%) scale(1.2); }
}

.canvas-container { 
    position: relative; 
    background: rgba(10, 12, 18, 0.7); 
    border-radius: 0.5rem; 
    overflow: hidden; 
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8), 0 0 10px rgba(0, 240, 255, 0.1); 
    border: 1px solid var(--card-border);
}

canvas { 
    display: block; 
    width: 100%; 
    height: auto; 
    outline: none; 
}

#sPlaneCanvas { cursor: crosshair; }
#timeCanvas, #carCanvas { cursor: grab; }
#timeCanvas:active, #carCanvas:active { cursor: grabbing; }

input[type=number] { 
    background: rgba(0, 0, 0, 0.5); 
    border: 1px solid var(--card-border); 
    border-radius: 6px; 
    padding: 8px 12px; 
    width: 100%; 
    text-align: center; 
    color: var(--primary-accent); 
    font-weight: bold; 
    font-family: monospace;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

input[type=number]:focus { 
    outline: none; 
    border-color: var(--primary-accent); 
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3); 
}

select { 
    background: rgba(0, 0, 0, 0.5); 
    border: 1px solid var(--card-border); 
    color: white; 
    padding: 10px; 
    border-radius: 6px; 
    outline: none; 
    width: 100%;
}

input[type=range] { 
    accent-color: var(--primary-accent); 
    cursor: pointer; 
    height: 6px; 
    border-radius: 4px; 
    background: rgba(255, 255, 255, 0.1); 
    appearance: none; 
}

input[type=range]::-webkit-slider-thumb { 
    appearance: none; 
    width: 16px; 
    height: 16px; 
    background: var(--primary-accent); 
    border-radius: 50%; 
    box-shadow: 0 0 10px var(--primary-accent);
}

.btn-neon {
    background: linear-gradient(45deg, rgba(0, 240, 255, 0.1), rgba(112, 0, 255, 0.1));
    border: 1px solid var(--primary-accent);
    color: #ffffff;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.btn-neon:hover {
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
    background: rgba(0, 240, 255, 0.2);
    transform: scale(1.02);
}

.btn-danger {
    border-color: var(--danger-accent);
    box-shadow: 0 0 10px rgba(255, 0, 85, 0.2);
}
.btn-danger:hover {
    box-shadow: 0 0 20px rgba(255, 0, 85, 0.5);
    background: rgba(255, 0, 85, 0.2);
}