:root {
    --bg-color: #0f111a;
    --glass-bg: rgba(25, 28, 41, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent: #ff2a5f;
    --accent-glow: rgba(255, 42, 95, 0.4);
    --accent-secondary: #00d2ff;
    --text-main: #ffffff;
    --text-muted: #8b92a5;
    --success: #00e676;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(255, 42, 95, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(0, 210, 255, 0.15), transparent 25%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
}



.configurator-wrapper {
    width: 100%;
    max-width: 1200px;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.main-panel {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.glow-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, #fff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

/* Selectors */
.selectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.select-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.select-group label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

select {
    width: 100%;
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    appearance: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%238b92a5%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 15px top 50%;
    background-size: 12px auto;
}

select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

select option {
    background-color: var(--bg-color);
    color: var(--text-main);
}

/* Results Area */
#results-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.vehicle-header {
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 20px;
}

.vehicle-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

#brand-image {
    max-height: 50px;
    filter: drop-shadow(0 0 5px rgba(255,255,255,0.2));
}

#vehicle-name {
    font-size: 2rem;
    font-weight: 600;
}

.tuning-stages {
    display: flex;
    gap: 15px;
}

.stage {
    padding: 10px 24px;
    border-radius: 8px;
    background: rgba(0,0,0,0.3);
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.stage.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* Power Stats */
.power-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.stat-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(0,0,0,0.2) 100%);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
}

.stat-card.power::before {
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.stat-card.torque::before {
    background: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-secondary);
}

.stat-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row .label {
    font-size: 1.1rem;
    color: #b0b5c9;
}

.stat-row .value {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-row.highlight {
    background: rgba(255,255,255,0.03);
    margin: 5px -24px;
    padding: 15px 24px;
}

.stat-row.highlight .value.glow {
    color: var(--accent);
    text-shadow: 0 0 15px var(--accent-glow);
}

.stat-card.torque .stat-row.highlight .value.glow {
    color: var(--accent-secondary);
    text-shadow: 0 0 15px rgba(0, 210, 255, 0.4);
}

.stat-row.diff .value {
    color: var(--success);
}

/* Details and Chart */
.details-and-chart {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
}

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

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.specs-table tr {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.specs-table td {
    padding: 12px 0;
}

.specs-table td:first-child {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.specs-table td:last-child {
    text-align: right;
    font-weight: 500;
}

.chart-panel {
    position: relative;
    height: 400px;
    display: flex;
    flex-direction: column;
}

.chart-panel h3 {
    margin-bottom: 15px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 1rem;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.chart-wrapper {
    position: relative;
    flex-grow: 1;
    min-height: 0;
    width: 100%;
}

canvas#dynoChart {
    width: 100% !important;
    height: 100% !important;
}

/* Additional Info */
.additional-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.info-card {
    background: rgba(0,0,0,0.2);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.info-card h4 {
    color: var(--text-muted);
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.info-card p {
    font-size: 0.95rem;
    line-height: 1.5;
}

#loading {
    text-align: center;
    font-size: 1.2rem;
    color: var(--accent);
    padding: 20px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}