/* Flight Wall-style "aircraft overhead" departure board */

.flight-board {
    --amber: #ffb000;
    --amber-dim: #8a5f00;
    --amber-glow: rgba(255, 176, 0, 0.55);
    --board-bg: #0a0a0a;

    width: 100%;
    box-sizing: border-box;
    background:
        radial-gradient(120% 140% at 50% -20%, #161616 0%, var(--board-bg) 60%);
    border: 2px solid #1f1f1f;
    border-radius: 12px;
    padding: 1rem 1.25rem 1.25rem;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.45),
        inset 0 0 0 1px rgba(255, 176, 0, 0.06),
        inset 0 0 40px rgba(0, 0, 0, 0.8);
    color: var(--amber);
    font-family: 'DotGothic16', 'Courier New', 'DejaVu Sans Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    position: relative;
    overflow: hidden;
    text-align: left;
}

/* Subtle CRT/LED scanline texture */
.flight-board::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0px,
        rgba(0, 0, 0, 0) 2px,
        rgba(0, 0, 0, 0.18) 3px
    );
    border-radius: 12px;
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding-bottom: 0.6rem;
    margin-bottom: 0.4rem;
    border-bottom: 1px solid rgba(255, 176, 0, 0.18);
}

.board-title {
    font-size: 1.05rem;
    font-weight: bold;
    text-shadow: 0 0 8px var(--amber-glow);
}

.board-plane {
    display: inline-block;
    transform: translateY(1px);
}

.board-meta {
    font-size: 0.8rem;
    color: var(--amber);
    opacity: 0.85;
    font-variant-numeric: tabular-nums;
}

.board-sep {
    margin: 0 0.4rem;
    opacity: 0.5;
}

/* Shared 7-column grid for the header labels and each data row */
.board-columns,
.board-row {
    display: grid;
    grid-template-columns:
        minmax(0, 1.5fr)  /* flight  */
        minmax(0, 1.7fr)  /* route   */
        minmax(0, 0.8fr)  /* type    */
        minmax(0, 0.9fr)  /* alt     */
        minmax(0, 0.7fr)  /* spd     */
        minmax(0, 0.7fr)  /* trk     */
        minmax(0, 0.5fr); /* vr      */
    gap: 0.5rem;
    align-items: center;
}

.board-columns {
    font-size: 0.7rem;
    color: var(--amber-dim);
    padding: 0.25rem 0;
    border-bottom: 1px dashed rgba(255, 176, 0, 0.15);
}

/* Header labels must match the alignment of the cells beneath them:
   the numeric cells are right-aligned (.cell-num) and VR is centered. */
.col-alt,
.col-spd,
.col-trk {
    text-align: right;
}

.col-vr {
    text-align: center;
}

.board-rows {
    list-style: none;
    margin: 0;
    padding: 0;
}

.board-row {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 176, 0, 0.08);
    font-size: 0.95rem;
    text-shadow: 0 0 6px var(--amber-glow);
    font-variant-numeric: tabular-nums;
    animation: board-flip 0.45s ease both;
}

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

/* Flight cell: callsign on top, airline beneath */
.cell-flight .callsign {
    font-weight: bold;
}

.cell-sub {
    display: block;
    font-size: 0.68rem;
    color: var(--amber-dim);
    letter-spacing: 0.04em;
    margin-top: 0.1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* board.js hides unused sub-elements (airline line, route codes) per row
   rather than rebuilding them each poll. */
.flight-board [hidden] {
    display: none !important;
}

.cell-route .route-codes {
    font-weight: bold;
    white-space: nowrap;
}

.cell-route .arrow {
    opacity: 0.7;
    margin: 0 0.15rem;
}

.cell-num {
    text-align: right;
    white-space: nowrap;
}

.cell-vr {
    text-align: center;
    font-size: 1.05rem;
}

.vr-up { color: #6bd66b; text-shadow: 0 0 6px rgba(107, 214, 107, 0.6); }
.vr-down { color: #ff7a4d; text-shadow: 0 0 6px rgba(255, 122, 77, 0.6); }
.vr-level { opacity: 0.6; }

.muted {
    color: var(--amber-dim);
}

/* Status / empty / offline messages */
.board-status {
    list-style: none;
    text-align: center;
    padding: 1.4rem 0 0.6rem;
    color: var(--amber-dim);
    font-size: 0.9rem;
    letter-spacing: 0.12em;
}

.flight-board.is-offline .board-meta {
    color: #ff7a4d;
}

@keyframes board-flip {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Full-screen variant on the /flights page */
.board-fullscreen {
    width: 100%;
    padding: 1.5rem 1.75rem 1.75rem;
}
.board-fullscreen .board-title { font-size: 1.45rem; }
.board-fullscreen .board-meta { font-size: 1rem; }
.board-fullscreen .board-columns { font-size: 0.85rem; }
.board-fullscreen .board-row {
    font-size: 1.2rem;
    padding: 0.75rem 0;
}
.board-fullscreen .cell-sub { font-size: 0.78rem; }

/* Mobile: collapse the grid into stacked cards */
@media (max-width: 560px) {
    .board-columns {
        display: none;
    }

    .board-row {
        grid-template-columns: 1fr 1fr;
        gap: 0.25rem 0.75rem;
        row-gap: 0.15rem;
    }

    .cell-flight { grid-column: 1 / 2; }
    .cell-route  { grid-column: 2 / 3; text-align: right; }
    .cell-route .cell-sub { text-align: right; }
    .cell-type, .cell-alt, .cell-spd, .cell-trk, .cell-vr {
        font-size: 0.8rem;
        text-align: left;
    }
    .cell-num { text-align: left; }

    /* Label the metrics since the header row is hidden. Units must match the
       .board-columns headers (ft/FL, knots, true track). */
    .cell-alt::before { content: "ALT "; color: var(--amber-dim); }
    .cell-spd::before { content: "SPD "; color: var(--amber-dim); }
    .cell-trk::before { content: "TRK "; color: var(--amber-dim); }
    .cell-vr::before  { content: "V/S "; color: var(--amber-dim); }

    /* Trailing unit on the mobile cards, where the header row is gone.
       The track value already carries its own degree sign, so this only
       adds the "T" (true, not magnetic). */
    .cell-spd::after { content: " KTS"; color: var(--amber-dim); }
    .cell-trk::after { content: "T"; color: var(--amber-dim); }
}

@media (prefers-reduced-motion: reduce) {
    .board-row { animation: none; }
}