:root {
    --bg: #0a0a0b;
    --card: #141518; 
    --input-bg: #1c1e22;
    --accent: #007aff;
    --text: #ffffff;
    --text-dim: #a0a0a0;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, sans-serif;
    margin: 0;
}

.dashboard { display: flex; height: 100vh; }

.sidebar {
    width: 320px;
    background: var(--card);
    padding: 30px;
    border-right: 1px solid #222;
    display: flex;
    flex-direction: column;
}

h2 span { color: var(--accent); }

.input-group { margin-bottom: 20px; }
label { display: block; color: var(--text-dim); font-size: 0.8rem; margin-bottom: 5px; }

input[type="number"], select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid #333;
    border-radius: 8px;
    padding: 12px;
    color: white;
    outline: none;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 40px;
}

.metric-card {
    background: var(--card);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid #222;
}

.positive { color: #34c759; }
.negative { color: #ff3b30; }

.chart-container { flex-grow: 1; padding: 0 40px 40px; height: 400px; }

.legal-footer { text-align: center; color: #444; font-size: 0.7rem; padding: 20px; }