:root {
    --ink-black: #000814;
    --prussian-blue: #001d3d;
    --regal-navy: #003566;
    --school-bus-yellow: #ffc300;
    --gold: #ffd60a;
}

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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f4f4;
    color: var(--ink-black);
}

/* ── Hero ── */
.hero {
    height: 380px;
    background: url('hero_bg.webp') center / cover no-repeat var(--regal-navy);
    position: relative;
}

.hero--home {
    height: 500px;
}

.hero--home + .main-card {
    margin-top: -180px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 90%;
    max-width: 1600px;
    margin: auto;
    padding-top: 30px;
}

.hero-subtitle {
    color: white;
    font-size: 1.6rem;
    margin: 0;
    opacity: 0.85;
}

.hero h1 {
    font-size: 12rem;
    color: white;
    font-weight: 900;
    line-height: 1;
}

.hero h1 a {
    color: inherit;
    text-decoration: none;
}

/* ── Floating white card ── */
.main-card {
    width: 90%;
    max-width: 1600px;
    margin: -50px auto 50px;
    background: white;
    border-radius: 8px;
    padding: 50px;
    position: relative;
    z-index: 5;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
}

/* ── Tabs ── */
.tabs {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.tabs a {
    text-decoration: none;
    color: var(--regal-navy);
    font-size: 3rem;
    font-weight: 700;
    padding-bottom: 15px;
    border-bottom: 8px solid transparent;
    transition: border-color 0.2s;
}

.tabs a:hover {
    border-bottom-color: var(--gold);
}

.tabs a.active {
    color: var(--prussian-blue);
    border-bottom: 8px solid var(--school-bus-yellow);
    padding-bottom: 15px;
}

/* ── Index dashboard link cards ── */
.card-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card-link {
    display: block;
    background: #f5f7fa;
    border: 2px solid rgba(0, 53, 102, 0.18);
    border-radius: 6px;
    padding: 36px 32px;
    text-decoration: none;
    color: var(--ink-black);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.card-link:hover {
    border-color: var(--school-bus-yellow);
    box-shadow: 0 4px 16px rgba(255, 195, 0, 0.2);
}

.card-link h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--prussian-blue);
    margin-bottom: 8px;
}

.card-link p {
    font-size: 0.9rem;
    color: #666;
}

.card-flight {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 53, 102, 0.12);
}

.card-flight-label {
    display: block;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #aaa;
    margin-bottom: 8px;
}

.card-flight-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.card-flight-num {
    font-size: 1rem;
    font-weight: 700;
    color: var(--prussian-blue);
    min-width: 60px;
}

.card-flight-route {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--ink-black);
    flex: 1;
}

.card-flight-time {
    font-size: 1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--ink-black);
}

/* ── Page heading inside card ── */
.page-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 8px;
    margin-bottom: 28px;
    border-top: 2px solid #f0f0f0;
}

.page-heading p {
    font-size: 0.85rem;
    color: #666;
    margin-top: 4px;
}

.last-updated {
    font-size: 0.8rem;
    color: #aaa;
    padding-bottom: 2px;
}

/* ── Flight cards ── */
.flights-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 601px) {
    .flight-card {
        display: flex;
        align-items: center;
        gap: 32px;
    }

    .flight-card-header {
        flex: 0 0 140px;
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 0;
        gap: 6px;
    }

    .flight-card-airline {
        flex: 0 0 100px;
        margin-bottom: 0;
    }

    .flight-card-route {
        flex: 1;
        margin-bottom: 0;
    }

    .flight-card-times {
        flex: 0 0 auto;
        gap: 32px;
    }
}

.flight-card {
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 20px 22px;
    transition: box-shadow 0.2s;
}

.flight-card:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.flight-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
}

.flight-num {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--prussian-blue);
    letter-spacing: 0.03em;
}

.flight-card-airline {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 14px;
}

.flight-card-route {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.route-code {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--ink-black);
    letter-spacing: 0.04em;
}

.route-arrow {
    flex: 1;
    height: 1px;
    background: #ddd;
    position: relative;
}

.route-arrow::after {
    content: "▶";
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.6rem;
    color: #ddd;
}

.flight-card-times {
    display: flex;
    gap: 24px;
}

.time-block {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.time-label {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #aaa;
}

.time-value {
    font-size: 1rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: #111;
}

/* ── Status badges ── */
.status {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-scheduled { background: rgba(255, 195, 0, 0.15); color: var(--regal-navy); }
.status-ontime    { background: #e5f9ee; color: #007a3d; }
.status-landed    { background: #e5f9ee; color: #007a3d; }
.status-arrived   { background: #e5f9ee; color: #007a3d; }
.status-delayed   { background: #fff4e0; color: #b35c00; }
.status-cancelled { background: #ffe8e8; color: #c92a2a; }
.status-departed  { background: rgba(255, 195, 0, 0.15); color: var(--regal-navy); }

/* ── States ── */
.loading, .empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #aaa;
    font-size: 0.9rem;
}

.error {
    text-align: center;
    padding: 60px 20px;
    color: #c92a2a;
    font-size: 0.9rem;
}

/* ── Shuttle calculator ── */
.shuttle-form {
    margin-bottom: 32px;
}

.shuttle-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

.shuttle-field {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 200px;
}

.shuttle-field-pax {
    flex: 0 0 130px;
    min-width: 130px;
}

.shuttle-field label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #888;
    margin-bottom: 8px;
}

.shuttle-field select {
    height: 64px;
    border: 1px solid #d8d8d8;
    border-radius: 6px;
    padding: 0 16px;
    font-size: 1rem;
    font-family: inherit;
    background: white;
    color: var(--ink-black);
    cursor: pointer;
    transition: border-color 0.2s;
    appearance: auto;
}

.shuttle-field select:focus {
    outline: none;
    border-color: var(--regal-navy);
}

/* Searchable combo box */
.combo-wrapper {
    position: relative;
}

.combo-input {
    width: 100%;
    height: 64px;
    border: 1px solid #d8d8d8;
    border-radius: 6px;
    padding: 0 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--ink-black);
    background: white;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.combo-input:focus {
    outline: none;
    border-color: var(--regal-navy);
}

.combo-input.combo-open {
    border-radius: 6px 6px 0 0;
    border-bottom-color: #e8e8e8;
}

.combo-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--regal-navy);
    border-top: none;
    border-radius: 0 0 6px 6px;
    max-height: 260px;
    overflow-y: auto;
    z-index: 200;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.combo-list.open {
    display: block;
}

.combo-option {
    padding: 10px 16px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--ink-black);
    transition: background 0.1s;
}

.combo-option:hover,
.combo-option.kb-focus {
    background: #f0f4fa;
}

.combo-option.combo-selected {
    color: var(--regal-navy);
    font-weight: 600;
}

.combo-lir {
    color: #001d3d;
    font-weight: 700;
}

.combo-lir:hover,
.combo-lir.kb-focus {
    background: #f0f4fa;
}

.combo-empty {
    padding: 12px 16px;
    color: #aaa;
    font-size: 0.9rem;
}

.combo-highlight {
    background: #e0e0e0;
    color: var(--prussian-blue);
    border-radius: 2px;
    padding: 0 1px;
    font-weight: 700;
}


.shuttle-clear {
    background: none;
    border: none;
    color: var(--regal-navy);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 0;
    text-decoration: underline;
    text-underline-offset: 3px;
    margin-top: 12px;
    display: inline-block;
    transition: color 0.2s;
}

.shuttle-clear:hover {
    color: var(--prussian-blue);
}

.shuttle-swap {
    background: none;
    border: 1px solid #d8d8d8;
    border-radius: 6px;
    width: 48px;
    height: 64px;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--regal-navy);
    flex-shrink: 0;
    transition: background 0.2s, border-color 0.2s;
    align-self: flex-end;
}

.shuttle-swap:hover {
    background: var(--school-bus-yellow);
    border-color: var(--school-bus-yellow);
    color: var(--ink-black);
}

.shuttle-result-card {
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    padding: 28px 32px;
    margin-top: 8px;
}

.shuttle-result-route {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.shuttle-location {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--prussian-blue);
}

.shuttle-result-meta {
    display: flex;
    gap: 40px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}


.shuttle-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shuttle-total > span:first-child {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #888;
}

.shuttle-total-price {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--prussian-blue);
    font-variant-numeric: tabular-nums;
}

/* ── Responsive ── */
@media (max-width: 1000px) {
    .hero h1  { font-size: 7rem; }
    .tabs a   { font-size: 2rem; }
    .tabs     { gap: 30px; }
}

@media (max-width: 600px) {
    .hero                    { height: 250px; }
    .hero h1                 { font-size: 4rem; }
    .main-card               { padding: 25px; }
    .hero--home + .main-card { margin-top: -30px; }
    .tabs                    { gap: 15px; margin-bottom: 28px; }
    .tabs a        { font-size: 1.3rem; }
}