/* ── Fuel Consumption Page Styles ── */

/* ── Formula blocks ── */
.formula-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent2);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.88rem;
    line-height: 1.8;
    overflow-x: auto;
    white-space: pre;
    color: var(--text);
}

.formula-block.highlight {
    border-left-color: var(--accent);
}

/* ── Fuel component badges ── */
.fuel-comp-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(56,189,248,.15);
    color: var(--accent);
    margin: 0.15rem;
}

/* ── Object sections inside request ── */
.object-section {
    margin-bottom: 1.5rem;
}
.object-section h4 {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
}

/* ── Surcharge grid ── */
.surcharge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-top: 1.25rem;
}
.surcharge-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    transition: border-color .2s, transform .15s;
}
.surcharge-card:hover {
    border-color: var(--accent2);
    transform: translateY(-2px);
}
.surcharge-card .s-icon { font-size: 1.6rem; margin-bottom: 0.4rem; }
.surcharge-card .s-name { font-size: 0.78rem; color: var(--muted); margin-bottom: 0.25rem; }
.surcharge-card .s-field { font-size: 0.9rem; font-weight: 600; }

/* ── Flow diagram for LPG ── */
.lpg-flow {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}
.lpg-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.9rem 1.1rem;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
}
.lpg-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.lpg-step-body { flex: 1; }
.lpg-step-body strong { display: block; margin-bottom: 0.25rem; font-size: 0.95rem; }
.lpg-step-body span { font-size: 0.85rem; color: var(--muted); }

/* ── Temperature table ── */
.temp-table-wrap {
    overflow-x: auto;
}

/* ── Features grid for overview ── */
.fuel-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}
.fuel-feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: border-color .2s, transform .15s;
}
.fuel-feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}
.fuel-feature-card .icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.fuel-feature-card h4 { font-size: 0.95rem; margin-bottom: 0.35rem; }
.fuel-feature-card p { font-size: 0.82rem; color: var(--muted); line-height: 1.5; }

/* ── Code blocks ── */
.fuel-code {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.1rem 1.25rem;
    font-family: 'Courier New', monospace;
    font-size: 0.83rem;
    overflow-x: auto;
    margin-top: 0.75rem;
    line-height: 1.6;
    white-space: pre;
    color: var(--text);
}

/* ── Note box ── */
.note-box {
    background: rgba(129,140,248,.08);
    border: 1px solid rgba(129,140,248,.3);
    border-radius: 8px;
    padding: 0.85rem 1.1rem;
    font-size: 0.88rem;
    color: var(--text);
    margin-top: 0.75rem;
    line-height: 1.6;
}
.note-box strong { color: var(--accent2); }