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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0f172a;
    color: #f8fafc;
    line-height: 1.5;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

header {
    text-align: center;
    background-color: #1e293b;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #334155;
}

header h1 {
    color: #38bdf8;
    margin-bottom: 5px;
    font-size: 1.8rem;
}

.subtitle {
    color: #94a3b8;
    font-size: 0.95rem;
}

.main-content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.canvas-wrapper {
    background-color: #020617;
    border-radius: 12px;
    border: 1px solid #334155;
    padding: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

canvas {
    background-color: #050b14;
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

.dashboard {
    flex: 1;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card, .controls-card {
    background-color: #1e293b;
    border-radius: 12px;
    border: 1px solid #334155;
    padding: 20px;
}

h2 {
    color: #f1f5f9;
    font-size: 1.2rem;
    margin-bottom: 15px;
    border-bottom: 2px solid #334155;
    padding-bottom: 5px;
}

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

.info-item {
    display: flex;
    flex-direction: column;
    background-color: #0f172a;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #1e293b;
}

.info-item .label {
    font-size: 0.8rem;
    color: #94a3b8;
}

.info-item .value {
    font-size: 1.1rem;
    font-weight: bold;
    color: #38bdf8;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: #0284c7;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #0369a1;
}

.btn-secondary {
    background-color: #475569;
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #334155;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 15px;
}

.slider-group label {
    font-size: 0.9rem;
    color: #cbd5e1;
}

input[type=range] {
    width: 100%;
    accent-color: #0284c7;
    cursor: pointer;
}

footer {
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
    padding: 10px;
}