/* Gear Ratio Calculator — Rush Auto Works */

.grc-wrap {
    padding: 3rem 0;
    font-family: var(--font-body, 'Inter', sans-serif);
    color: var(--text-primary, #e0e0e0);
}

.grc-calculator {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
}

/* --- Inputs --- */
.grc-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: sticky;
    top: 8rem;
}

.grc-field label {
    display: block;
    font-family: var(--font-display, 'Barlow Condensed', sans-serif);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--raw-cyan, #47C7FC);
    margin-bottom: 0.4rem;
}

.grc-hint {
    font-size: 0.85rem;
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
    margin: 0.3rem 0 0 0;
    line-height: 1.4;
}

.grc-toggle-row {
    display: flex;
    gap: 0.5rem;
}

.grc-toggle {
    padding: 0.45rem 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    background: var(--bg-secondary, #0a2a52);
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.grc-toggle:hover {
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--text-primary, #e0e0e0);
}

.grc-toggle.active {
    background: var(--raw-orange, #FF8000);
    border-color: var(--raw-orange, #FF8000);
    color: #fff;
    font-weight: 600;
}

.grc-range-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.grc-range-row input[type="range"] {
    flex: 1;
    accent-color: var(--raw-orange, #FF8000);
    height: 6px;
}

.grc-range-value {
    font-family: var(--font-display, 'Barlow Condensed', sans-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--raw-orange, #FF8000);
    min-width: 5ch;
    text-align: right;
}

/* --- Results --- */
.grc-results {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.grc-results-title {
    font-family: var(--font-display, 'Barlow Condensed', sans-serif);
    color: var(--raw-cyan, #47C7FC);
    font-size: 1.2rem;
    text-transform: uppercase;
    margin: 0;
}

.grc-results-title--secondary {
    margin-top: 0.5rem;
}

/* Speed table */
.grc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.grc-table th {
    text-align: left;
    font-family: var(--font-display, 'Barlow Condensed', sans-serif);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
    padding: 0.4rem 0.6rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.grc-table td {
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.grc-gear-label {
    font-weight: 600;
    color: var(--raw-orange, #FF8000);
    white-space: nowrap;
    width: 3rem;
}

/* Speed bar */
.grc-speed {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 200px;
}

.grc-speed-bar {
    flex: 1;
    height: 18px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 3px;
    overflow: hidden;
}

.grc-speed-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--raw-orange, #FF8000), var(--raw-cyan, #47C7FC));
    border-radius: 3px;
    transition: width 0.2s ease;
}

.grc-speed-text {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    white-space: nowrap;
    min-width: 5.5em;
    text-align: right;
}

.grc-final-note {
    font-size: 0.85rem;
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
    margin-top: 0.5rem;
}

/* --- Track recommendations --- */
.grc-track-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.grc-track-card {
    background: var(--bg-secondary, #0a2a52);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.grc-track-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.3rem;
}

.grc-track-name {
    font-family: var(--font-display, 'Barlow Condensed', sans-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #e0e0e0);
}

.grc-track-date {
    font-size: 0.85rem;
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
}

.grc-track-rec {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.2rem;
}

.grc-sprocket-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-display, 'Barlow Condensed', sans-serif);
    font-size: 0.85rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
    min-width: 3ch;
    text-align: center;
}

.grc-sprocket-match {
    background: var(--raw-orange, #FF8000);
    color: #fff;
}

.grc-track-note {
    font-size: 0.85rem;
    color: var(--text-muted, rgba(255, 255, 255, 0.5));
}

.grc-track-speed {
    font-size: 0.85rem;
    color: var(--text-muted, #666);
    margin-top: 0.15rem;
}

.grc-formula-note {
    font-size: 0.85rem;
    color: var(--text-muted, #666);
    line-height: 1.5;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .grc-calculator {
        grid-template-columns: 1fr;
    }

    .grc-inputs {
        position: static;
    }

    .grc-speed {
        min-width: 140px;
    }
}