:root {
    --bg-color: #0b0e14;
    --card-bg: rgba(23, 27, 35, 0.7);
    --accent-color: #76b900; /* Nvidia Green */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(12px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: radial-gradient(circle at 50% 50%, #1a202c 0%, #0b0e14 100%);
}

.container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .container {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

.input-group label span {
    color: var(--accent-color);
    font-weight: 600;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--accent-color);
    height: 6px;
    border-radius: 10px;
    cursor: pointer;
}

.result-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.valuation-header {
    text-align: center;
    margin-bottom: 30px;
}

.valuation-value {
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent-color);
    margin: 10px 0;
    text-shadow: 0 0 20px rgba(118, 185, 0, 0.3);
}

.valuation-label {
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
}

.chart-container {
    height: 300px;
    width: 100%;
    margin-top: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 12px;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-weight: 600;
    font-size: 1.1rem;
}

.disclaimer {
    margin-top: 20px;
    font-size: 0.7rem;
    color: #4a5568;
    line-height: 1.4;
}