:root {
    --bg-color: #0b0f19;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --risk-low: #10b981;
    --risk-medium: #f59e0b;
    --risk-high: #ef4444;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow-x: hidden;
}

/* Cyberpunk Mesh Gradient Background */
.background-mesh {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.15), transparent 60%),
                radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.15), transparent 50%);
    z-index: -1;
    animation: drift 20s infinite linear alternate;
}

@keyframes drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-5%, -5%); }
}

.container {
    max-width: 1200px;
    width: 100%;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.highlight {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.dashboard {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

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

/* Glassmorphism Panels */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.2rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.input-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
}

input, select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.75rem;
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

input:focus, select:focus {
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

option {
    background: var(--bg-color);
    color: white;
}

.predict-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.predict-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
}

/* Results Panel */
.result-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.result-panel h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

/* Radial Gauge */
.gauge-container {
    width: 200px;
    margin-bottom: 2rem;
}

.circular-chart {
    display: block;
    margin: 0 auto;
    max-width: 80%;
    max-height: 250px;
}

.circle-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 2.5;
}

.circle {
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    transition: stroke-dasharray 1s ease-out, stroke 0.5s ease;
    stroke: var(--text-secondary);
}

.percentage {
    fill: white;
    font-family: 'Inter', sans-serif;
    font-size: 0.4em;
    font-weight: 700;
    text-anchor: middle;
}

.status-badge {
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.insight-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

.hidden {
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}