/* =================================================== */
/* FLIGHT BOARD — papan jadwal penerbangan             */
/* Dipakai bersama halaman Keberangkatan & Kedatangan. */
/* Semua aturan di-scope di bawah .fb-* .              */
/* =================================================== */

.fb {
    --fb-navy: #0d2c4a;
    --fb-navy-deep: #061a2e;
    --fb-navy-mid: #12395e;
    --fb-accent: #f0a500;
    --fb-text: #e9eef5;
    --fb-muted: rgba(233, 238, 245, 0.66);
}

/* ---------- HERO: langit senja + kanvas partikel ---------- */

/*
 * Padding atas harus melebihi tinggi #header yang position:fixed (±76px:
 * padding 20px atas-bawah + logo 36px), agar judul tidak tertutup header.
 */
.fb-hero {
    position: relative;
    overflow: hidden;
    padding: 148px 0 120px;
    background:
        radial-gradient(1200px 520px at 78% -10%, rgba(240, 165, 0, 0.22), transparent 62%),
        linear-gradient(170deg, var(--fb-navy-deep) 0%, var(--fb-navy) 46%, var(--fb-navy-mid) 100%);
    color: var(--fb-text);
}

/* Kanvas partikel: awan, bintang, dan pesawat melintas */
.fb-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
}

/* Siluet garis cakrawala di dasar hero */
.fb-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 120px;
    background: linear-gradient(to top, rgba(6, 26, 46, 0.95), transparent);
    pointer-events: none;
}

.fb-hero-inner {
    position: relative;
    z-index: 2;
}

.fb-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    margin-bottom: 18px;
    border: 1px solid rgba(240, 165, 0, 0.4);
    border-radius: 50px;
    background: rgba(240, 165, 0, 0.1);
    color: var(--fb-accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.fb-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 12px;
}

.fb-title span {
    color: var(--fb-accent);
}

.fb-subtitle {
    max-width: 620px;
    font-size: 17px;
    color: var(--fb-muted);
    margin-bottom: 0;
}

/* Kartu papan info: kode bandara, jam, jumlah penerbangan */
.fb-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.fb-meta-card {
    flex: 1 1 150px;
    padding: 16px 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(6px);
}

.fb-meta-label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fb-muted);
    margin-bottom: 4px;
}

.fb-meta-value {
    font-family: "Courier New", ui-monospace, monospace;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
}

.fb-live-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 7px;
    border-radius: 50%;
    background: #3ddc84;
    box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7);
    animation: fbPulse 2s infinite;
}

@keyframes fbPulse {
    0%   { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.65); }
    70%  { box-shadow: 0 0 0 10px rgba(61, 220, 132, 0); }
    100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

/* ---------- PAPAN JADWAL ---------- */

.fb-board-section {
    position: relative;
    margin-top: -68px;
    padding-bottom: 80px;
    z-index: 3;
}

/* ---------- Tab Keberangkatan / Kedatangan ---------- */

.fb-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
    border: 0;
}

.fb-tabs .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 26px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    color: #fff;
    font-weight: 600;
    transition: all 0.3s ease;
}

.fb-tabs .nav-link:hover {
    border-color: var(--fb-accent);
    background: rgba(255, 255, 255, 0.18);
}

.fb-tabs .nav-link.active {
    background: var(--fb-accent);
    border-color: var(--fb-accent);
    color: var(--fb-navy);
}

/* Ikon: keberangkatan menanjak, kedatangan menukik turun */
.fb-tabs #tab-departure i { transform: rotate(-45deg); }
.fb-tabs #tab-arrival i   { transform: rotate(135deg); }

.fb-board {
    padding: 26px;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 24px 60px rgba(13, 44, 74, 0.18);
}

.fb-board-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 18px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(13, 44, 74, 0.1);
}

.fb-board-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--fb-navy);
    margin: 0;
}

.fb-board-title i {
    color: var(--fb-accent);
}

.fb-updated {
    font-size: 13px;
    color: #7a8794;
}

/*
 * Enam kolom untuk kedua mode: kode, maskapai, rute, posisi layanan,
 * waktu, status. Kolom keempat berisi Gate/Konter pada keberangkatan dan
 * Conveyor pada kedatangan. Header dan baris data WAJIB memakai definisi
 * grid yang sama agar tetap sejajar.
 */
.fb-cols {
    display: grid;
    grid-template-columns: 1.05fr 1.3fr 1.25fr 0.85fr 0.9fr 1fr;
    gap: 16px;
    padding: 0 18px 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: #93a1b0;
}

/* ---------- Kartu penerbangan ---------- */

@keyframes fbRowIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fb-row {
    display: grid;
    grid-template-columns: 1.05fr 1.3fr 1.25fr 0.85fr 0.9fr 1fr;
    gap: 16px;
    align-items: center;
    padding: 18px;
    margin-bottom: 12px;
    border: 1px solid rgba(13, 44, 74, 0.08);
    border-left: 4px solid var(--fb-accent);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 5px 18px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fbRowIn 0.45s ease both;
    animation-delay: calc(var(--i, 0) * 55ms);
}

.fb-row:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 34px rgba(13, 44, 74, 0.13);
}

.fb-cell-label {
    display: none; /* label inline hanya dipakai di tampilan mobile */
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #93a1b0;
    margin-bottom: 2px;
}

.fb-code {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Courier New", ui-monospace, monospace;
    font-size: 18px;
    font-weight: 700;
    color: var(--fb-navy);
    letter-spacing: 0.04em;
}

.fb-code i {
    color: var(--fb-accent);
    font-size: 15px;
}

/* Garis tepi kartu memakai warna merek maskapai bila dikirim API */
.fb-row {
    border-left-color: var(--brand, var(--fb-accent));
}

.fb-airline {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 600;
    color: #33414f;
}

/* Kode maskapai (mis. SAQ) memakai warna merek dari API.
   Logo maskapai sengaja tidak dipakai: URL-nya berada di host API lewat HTTP,
   sehingga akan diblokir sebagai mixed content saat situs berjalan di HTTPS. */
.fb-airline-badge {
    flex-shrink: 0;
    padding: 4px 9px;
    border-radius: 7px;
    background: var(--brand, var(--fb-navy));
    color: #fff;
    font-family: "Courier New", ui-monospace, monospace;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.fb-city {
    font-weight: 700;
    color: var(--fb-navy);
    line-height: 1.3;
}

/* Kode IATA bandara tujuan/asal */
.fb-iata {
    display: inline-block;
    margin-right: 8px;
    padding: 2px 8px;
    border: 1px dashed rgba(13, 44, 74, 0.28);
    border-radius: 6px;
    font-family: "Courier New", ui-monospace, monospace;
    font-size: 12.5px;
    color: var(--fb-navy);
    vertical-align: 1px;
}

.fb-airport {
    display: block;
    font-size: 12.5px;
    font-weight: 400;
    color: #7a8794;
}

/* Kelompok chip posisi layanan (Gate / Konter / Conveyor) */
.fb-desk-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.fb-gate {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 46px;
    padding: 6px 11px;
    border-radius: 9px;
    background: rgba(13, 44, 74, 0.08);
    color: var(--fb-navy);
    font-family: "Courier New", ui-monospace, monospace;
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
}

.fb-gate i {
    font-size: 12px;
    opacity: 0.75;
}

/* Konter lapor diri dibedakan warnanya dari gate ruang tunggu */
.fb-gate--counter {
    background: rgba(240, 165, 0, 0.16);
    color: #8a6100;
}

.fb-gate--empty {
    background: transparent;
    color: #9aa5b1;
    font-weight: 400;
    min-width: 0;
    padding-left: 0;
}

.fb-time {
    font-family: "Courier New", ui-monospace, monospace;
    font-size: 22px;
    font-weight: 700;
    color: var(--fb-navy);
    line-height: 1.1;
}

.fb-date {
    display: block;
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 400;
    color: #7a8794;
}

/* ---------- Status ---------- */

.fb-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 50px;
    font-size: 12.5px;
    font-weight: 700;
    white-space: nowrap;
}

.fb-status i { font-size: 13px; }

.fb-status--ok      { background: rgba(25, 135, 84, 0.12);  color: #0f6b40; }
.fb-status--warn    { background: rgba(240, 165, 0, 0.16);  color: #8a6100; }
.fb-status--danger  { background: rgba(220, 53, 69, 0.12);  color: #a01a26; }
.fb-status--info    { background: rgba(13, 110, 253, 0.12); color: #0a52b8; }
.fb-status--neutral { background: rgba(13, 44, 74, 0.08);   color: #44586d; }

/* ---------- Keadaan: memuat, kosong, gagal ---------- */

.fb-skeleton {
    height: 74px;
    margin-bottom: 12px;
    border-radius: 14px;
    background: linear-gradient(90deg, #eef2f6 25%, #f7f9fb 50%, #eef2f6 75%);
    background-size: 200% 100%;
    animation: fbShimmer 1.3s infinite linear;
}

@keyframes fbShimmer {
    from { background-position: 200% 0; }
    to   { background-position: -200% 0; }
}

.fb-state {
    padding: 54px 20px;
    text-align: center;
    color: #7a8794;
}

.fb-state i {
    display: block;
    font-size: 44px;
    margin-bottom: 12px;
    color: rgba(13, 44, 74, 0.22);
}

.fb-state-title {
    font-weight: 700;
    color: var(--fb-navy);
    margin-bottom: 6px;
}

.fb-retry {
    margin-top: 16px;
    padding: 10px 24px;
    border: 2px solid var(--fb-navy);
    border-radius: 50px;
    background: transparent;
    color: var(--fb-navy);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.fb-retry:hover {
    background: var(--fb-navy);
    color: #fff;
}

/* ---------- Responsif ---------- */

@media (max-width: 991.98px) {
    .fb-cols { display: none; }

    /* Kartu jadi blok bertumpuk dengan label inline */
    .fb-row {
        grid-template-columns: 1fr 1fr;
        gap: 14px 18px;
        padding: 18px;
    }

    .fb-cell-label { display: block; }

    .fb-cell--code,
    .fb-cell--route { grid-column: 1 / -1; }
}

@media (max-width: 575.98px) {
    .fb-hero { padding: 124px 0 104px; }

    .fb-board {
        padding: 16px;
        border-radius: 16px;
    }

    .fb-row {
        grid-template-columns: 1fr;
    }

    .fb-meta-card { flex: 1 1 100%; }
}

/* Hormati preferensi pengguna yang meminimalkan animasi */
@media (prefers-reduced-motion: reduce) {
    .fb-row,
    .fb-skeleton,
    .fb-live-dot {
        animation: none !important;
    }

    .fb-row { transition: none; }
}