/* ═══════════════════════════════════════════════════════════════════════
   航班追踪 · flight-track.css
   ───────────────────────────────────────────────────────────────────────
   · 配色一律取站点语义令牌（app.css / ios-theme.css），随浅色 / 深色主题切换；
     仅地图容器保持深色边框，避免卫星影像与页面底色反差过大。
   · 飞行阶段色板与航班雷达页（flight-radar.css / flight-radar.js）保持一致。
   ═══════════════════════════════════════════════════════════════════════ */

.jx-ft {
    --ft-phase-departure: #ff9f0a;
    --ft-phase-climb: #30d158;
    --ft-phase-cruise: #32ade6;
    --ft-phase-low: #64d2ff;
    --ft-phase-descent: #bf5af2;
    --ft-phase-approach: #ff453a;
    --ft-phase-ground: #8e8e93;

    --ft-mono: var(--ios-mono, ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace);

    padding-bottom: 3rem;
}

/* ── 顶部标题 ───────────────────────────────────────────────────────── */
.jx-ft-hero {
    padding: clamp(1.5rem, 3.2vw, 2.5rem) 0 1.25rem;
}
.jx-ft-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: .4375rem;
    padding: .3125rem .625rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-full, 999px);
    background: var(--ios-fill-quaternary, rgba(120, 120, 128, 0.08));
    font-family: var(--ft-mono);
    font-size: .6875rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.jx-ft-hero__dot {
    width: .4375rem;
    height: .4375rem;
    border-radius: 50%;
    background: var(--ft-phase-cruise);
    box-shadow: 0 0 0 0 rgba(50, 173, 230, .55);
    animation: jx-ft-pulse 2.4s ease-out infinite;
}
@keyframes jx-ft-pulse {
    0% { box-shadow: 0 0 0 0 rgba(50, 173, 230, .5); }
    70% { box-shadow: 0 0 0 8px rgba(50, 173, 230, 0); }
    100% { box-shadow: 0 0 0 0 rgba(50, 173, 230, 0); }
}
.jx-ft-hero h1 {
    margin: .875rem 0 .5rem;
    font-size: clamp(1.625rem, 3.6vw, 2.25rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -.022em;
    color: var(--text);
}
.jx-ft-hero p {
    margin: 0;
    max-width: 66ch;
    font-size: .9375rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

/* ── 查询栏 ─────────────────────────────────────────────────────────── */
.jx-ft-search {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: .875rem 1rem;
    padding: 1rem 1.125rem;
    margin-bottom: .875rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-xl, 20px);
    background: var(--surface-primary);
    box-shadow: var(--shadow-md);
}
.jx-ft-search__field {
    flex: 1 1 220px;
    min-width: 0;
}
.jx-ft-search__label {
    display: block;
    margin-bottom: .375rem;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--text-secondary);
}
.jx-ft-search__input,
.jx-ft-select {
    width: 100%;
    height: 2.625rem;
    padding: 0 .875rem;
    border: 0.5px solid var(--border);
    border-radius: var(--radius, 12px);
    background: var(--surface-secondary);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    letter-spacing: .06em;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.jx-ft-search__input {
    font-family: var(--ft-mono);
    text-transform: uppercase;
}
.jx-ft-search__input::placeholder {
    color: var(--text-secondary);
    letter-spacing: normal;
    text-transform: none;
    font-family: inherit;
}
.jx-ft-search__input:focus,
.jx-ft-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.jx-ft-search__submit {
    height: 2.625rem;
    min-width: 6rem;
}
.jx-ft-search__auto {
    flex: 0 0 7.5rem;
}
.jx-ft-search__hint {
    flex: 1 1 100%;
    margin: 0;
    font-size: .8125rem;
    color: var(--text-secondary);
}
.jx-ft-sample {
    padding: .125rem .375rem;
    border: 0.5px solid var(--border-light);
    border-radius: 6px;
    background: transparent;
    color: var(--text);
    font-family: var(--ft-mono);
    font-size: .8125rem;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}
.jx-ft-sample:hover,
.jx-ft-sample:focus-visible {
    background: var(--accent-soft);
    border-color: var(--accent);
    outline: none;
}

/* ── 状态行 ─────────────────────────────────────────────────────────── */
.jx-ft-status {
    min-height: 1.25rem;
    margin: 0 0 1rem;
    font-size: .875rem;
    color: var(--text-secondary);
}
.jx-ft-status.is-error {
    color: #ff453a;
}

/* ── 主体两栏 ───────────────────────────────────────────────────────── */
.jx-ft-grid {
    display: grid;
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: 1.125rem;
    align-items: start;
}

/* ── 信息卡 ─────────────────────────────────────────────────────────── */
.jx-ft-card {
    padding: 1.125rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-xl, 20px);
    background: var(--surface-primary);
    box-shadow: var(--shadow-md);
}
.jx-ft-card__head {
    padding-bottom: .875rem;
    border-bottom: 0.5px solid var(--border-light);
}
.jx-ft-badge {
    display: inline-block;
    padding: .1875rem .5rem;
    border-radius: var(--radius-full, 999px);
    background: var(--ios-fill-quaternary, rgba(120, 120, 128, 0.08));
    color: var(--text-secondary);
    font-family: var(--ft-mono);
    font-size: .6875rem;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.jx-ft-badge.is-live {
    background: rgba(48, 209, 88, .14);
    color: #248a3d;
}
.jx-ft-badge.is-offline {
    background: rgba(142, 142, 147, .16);
    color: var(--text-secondary);
}
.jx-ft-badge.is-error {
    background: rgba(255, 69, 58, .14);
    color: #c73b32;
}
.jx-ft-card__flight {
    margin: .625rem 0 .25rem;
    font-family: var(--ft-mono);
    font-size: 1.625rem;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--text);
}
.jx-ft-card__airline {
    margin: 0;
    font-size: .875rem;
    color: var(--text-secondary);
}

.jx-ft-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .75rem .875rem;
    margin: .875rem 0 0;
    padding: 0;
}
.jx-ft-facts__item {
    min-width: 0;
}
.jx-ft-facts__item dt {
    margin-bottom: .1875rem;
    font-size: .75rem;
    color: var(--text-secondary);
}
.jx-ft-facts__item dd {
    margin: 0;
    font-family: var(--ft-mono);
    font-size: .9375rem;
    color: var(--text);
    overflow-wrap: anywhere;
}

/* 起降机场 */
.jx-ft-route {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: .5rem;
    margin-top: 1rem;
    padding-top: .875rem;
    border-top: 0.5px solid var(--border-light);
}
.jx-ft-route__point {
    display: flex;
    flex-direction: column;
    gap: .125rem;
    min-width: 0;
}
.jx-ft-route__point:last-child {
    text-align: right;
    align-items: flex-end;
}
.jx-ft-route__code {
    font-family: var(--ft-mono);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
}
.jx-ft-route__name {
    font-size: .75rem;
    line-height: 1.4;
    color: var(--text-secondary);
    overflow-wrap: anywhere;
}
.jx-ft-route__mid {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 .25rem;
}
.jx-ft-route__pct {
    font-family: var(--ft-mono);
    font-size: .8125rem;
    color: var(--accent);
}
.jx-ft-route__mid::before {
    content: "";
    display: none;
}

/* 进度条 */
.jx-ft-progress {
    height: .375rem;
    margin-top: .875rem;
    border-radius: var(--radius-full, 999px);
    background: var(--ios-fill-quaternary, rgba(120, 120, 128, 0.12));
    overflow: hidden;
}
.jx-ft-progress__bar {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--ft-phase-cruise), var(--ft-phase-climb));
    transition: width .45s ease;
}
.jx-ft-progress__meta {
    margin: .4375rem 0 0;
    font-family: var(--ft-mono);
    font-size: .75rem;
    color: var(--text-secondary);
}
.jx-ft-card__note {
    margin: .875rem 0 0;
    font-size: .8125rem;
    line-height: 1.6;
    color: var(--text-secondary);
}
.jx-ft-card__note.is-error {
    color: #ff453a;
}
.jx-ft-card__time {
    margin: .375rem 0 0;
    font-family: var(--ft-mono);
    font-size: .6875rem;
    color: var(--text-secondary);
}

/* ── 地图 ───────────────────────────────────────────────────────────── */
.jx-ft-mapwrap {
    position: relative;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-xl, 20px);
    background: #0b1622;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}
.jx-ft-map {
    width: 100%;
    height: clamp(340px, 52vh, 560px);
}
.jx-ft-map__loading {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    background: rgba(9, 18, 28, .82);
    color: #d7e6f5;
    font-size: .875rem;
    transition: opacity var(--transition);
}
.jx-ft-map__loading.is-hidden {
    opacity: 0;
    pointer-events: none;
}
.jx-ft-map__layers {
    position: absolute;
    top: .75rem;
    right: .75rem;
    z-index: 3;
    display: flex;
    padding: .1875rem;
    border-radius: var(--radius-full, 999px);
    background: rgba(9, 18, 28, .72);
    backdrop-filter: blur(8px);
}
.jx-ft-map__layer {
    padding: .3125rem .75rem;
    border: none;
    border-radius: var(--radius-full, 999px);
    background: transparent;
    color: #d7e6f5;
    font-size: .8125rem;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}
.jx-ft-map__layer.is-active {
    background: var(--accent);
    color: #fff;
}
.jx-ft-map__hint {
    position: absolute;
    left: .75rem;
    bottom: .625rem;
    right: 4.5rem;
    z-index: 2;
    margin: 0;
    padding: .3125rem .625rem;
    border-radius: var(--radius, 12px);
    background: rgba(9, 18, 28, .66);
    color: rgba(215, 230, 245, .82);
    font-size: .6875rem;
    line-height: 1.5;
}

/* ── 实况飞机层（canvas 画在底图之上，事件仍由地图接管） ────────────── */
.jx-ft-map__canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.jx-ft-map__live {
    position: absolute;
    top: .75rem;
    left: .75rem;
    right: 7.5rem;
    z-index: 3;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .375rem .5rem;
    margin: 0;
    pointer-events: none;
}
.jx-ft-map__live > #jx-ft-live-bar {
    padding: .25rem .5rem;
    border-radius: var(--radius-full, 999px);
    background: rgba(9, 18, 28, .74);
    backdrop-filter: blur(8px);
    color: #d7e6f5;
    font-size: .6875rem;
    line-height: 1.4;
}
.jx-ft-map__live > #jx-ft-live-bar.is-error {
    background: rgba(120, 22, 22, .82);
    color: #ffd9d9;
}
.jx-ft-map__legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .3125rem .5rem;
    padding: .25rem .5rem;
    border-radius: var(--radius, 12px);
    background: rgba(9, 18, 28, .62);
    backdrop-filter: blur(8px);
    color: rgba(215, 230, 245, .86);
    font-size: .625rem;
    line-height: 1.4;
}
.jx-ft-map__legend:empty {
    display: none;
}
.jx-ft-legend__item {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    white-space: nowrap;
}
.jx-ft-legend__dot {
    width: .5rem;
    height: .5rem;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .35);
}
.jx-ft-map__tip {
    position: absolute;
    z-index: 4;
    min-width: 8.5rem;
    max-width: 15rem;
    padding: .4375rem .5625rem;
    border-radius: var(--radius, 12px);
    border: 0.5px solid rgba(255, 255, 255, .14);
    background: rgba(9, 18, 28, .9);
    backdrop-filter: blur(8px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .45);
    color: #eaf3ff;
    font-size: .6875rem;
    line-height: 1.55;
    pointer-events: none;
    transform: translate(-50%, calc(-100% - 14px));
}
.jx-ft-map__tip.is-below {
    transform: translate(-50%, 16px);
}
.jx-ft-map__tip[hidden] {
    display: none;
}
.jx-ft-map__tip b {
    font-family: var(--ft-mono);
    font-size: .75rem;
    font-weight: 700;
}
.jx-ft-map__tip span {
    display: block;
    color: rgba(215, 230, 245, .82);
}

/* 地图上的标记（由 flight-track.js 生成 DOM，不用 innerHTML） */
.jx-ft-pin {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .35);
    font-family: var(--ft-mono);
    font-size: .625rem;
    font-weight: 700;
    color: #fff;
    background: #32ade6;
}
.jx-ft-pin--origin {
    background: #30d158;
}
.jx-ft-pin--destination {
    background: #ff453a;
}
.jx-ft-plane {
    width: 1.75rem;
    height: 1.75rem;
    color: #ffd60a;
    filter: drop-shadow(0 0 4px rgba(0, 0, 0, .55));
    transform-origin: 50% 50%;
}
.jx-ft-plane svg {
    display: block;
    width: 100%;
    height: 100%;
}
.jx-ft-label {
    display: inline-block;
    margin-top: .25rem;
    padding: .125rem .375rem;
    border-radius: 6px;
    background: rgba(9, 18, 28, .78);
    color: #eaf3ff;
    font-family: var(--ft-mono);
    font-size: .6875rem;
    white-space: nowrap;
}

/* ── 数据说明 ───────────────────────────────────────────────────────── */
.jx-ft-notes {
    margin-top: 1.5rem;
    padding: 1.125rem 1.25rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-xl, 20px);
    background: var(--surface-secondary);
}
.jx-ft-notes h2 {
    margin: 0 0 .5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}
.jx-ft-notes ul {
    margin: 0;
    padding-left: 1.125rem;
    list-style: disc;
}
.jx-ft-notes li {
    margin: .3125rem 0;
    font-size: .8125rem;
    line-height: 1.65;
    color: var(--text-secondary);
}

/* ── 历史飞行记录与轨迹 ─────────────────────────────────────────────── */
.jx-ft-history {
    margin-top: 1.5rem;
    padding: 1.125rem 1.25rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-xl, 20px);
    background: var(--surface-primary);
}
.jx-ft-history__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}
.jx-ft-history__note {
    margin: .5rem 0 0;
    font-size: .8125rem;
    line-height: 1.65;
    color: var(--text-secondary);
}
.jx-ft-history__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(230px, 100%), 1fr));
    gap: .625rem;
    margin: .875rem 0 0;
    padding: 0;
    list-style: none;
}
.jx-ft-history__list:empty {
    display: none;
    margin: 0;
}
.jx-ft-history__item {
    display: flex;
}
.jx-ft-history__btn {
    display: block;
    width: 100%;
    padding: .625rem .75rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-lg, 14px);
    background: var(--surface-secondary);
    font: inherit;
    color: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .18s ease, background-color .18s ease;
}
.jx-ft-history__btn:hover {
    border-color: var(--ft-phase-cruise);
}
.jx-ft-history__btn:focus-visible {
    outline: 2px solid var(--ft-phase-cruise);
    outline-offset: 2px;
}
.jx-ft-history__item.is-active .jx-ft-history__btn {
    border-color: #ffd60a;
    background: rgba(255, 214, 10, .12);
}
.jx-ft-history__item-head {
    display: flex;
    align-items: center;
    gap: .5rem;
}
.jx-ft-history__callsign {
    font-family: var(--ft-mono);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.jx-ft-history__route {
    margin: .4375rem 0 0;
    font-family: var(--ft-mono);
    font-size: .75rem;
    letter-spacing: .02em;
    color: var(--text);
}
.jx-ft-history__empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: .625rem .25rem;
    font-size: .8125rem;
    color: var(--text-secondary);
}
.jx-ft-history__tag {
    padding: .125rem .4375rem;
    border-radius: var(--radius-full, 999px);
    background: var(--ios-fill-quaternary, rgba(120, 120, 128, 0.12));
    font-family: var(--ft-mono);
    font-size: .625rem;
    letter-spacing: .04em;
    color: var(--text-secondary);
    white-space: nowrap;
}
.jx-ft-history__tag.is-live {
    background: rgba(48, 209, 88, .16);
    color: #30d158;
}
.jx-ft-history__time {
    margin-left: auto;
    font-family: var(--ft-mono);
    font-size: .6875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}
.jx-ft-history__meta {
    margin: .5rem 0 0;
    font-size: .75rem;
    line-height: 1.55;
    color: var(--text);
}
.jx-ft-history__foot {
    margin: .3125rem 0 0;
    font-family: var(--ft-mono);
    font-size: .6875rem;
    line-height: 1.5;
    color: var(--text-secondary);
}
/* 实测轨迹两端的小圆点（黄色实线由 AMap.Polyline 绘制） */
.jx-ft-trackdot {
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    border: 2px solid #0b1218;
    border-radius: 50%;
    background: #ffd60a;
    color: #0b1218;
    font-family: var(--ft-mono);
    font-size: .5rem;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .45);
}

/* ── 航迹回放 ───────────────────────────────────────────────────────── */
.jx-ft-play {
    margin-top: 1rem;
    padding-top: .875rem;
    border-top: 0.5px solid var(--border-light);
}
.jx-ft-play[hidden] {
    display: none;
}
.jx-ft-play__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem;
}
.jx-ft-play__btn {
    min-width: 6.5rem;
    height: 2.25rem;
    padding: 0 .875rem;
    border: 0.5px solid var(--border);
    border-radius: var(--radius, 12px);
    background: var(--surface-secondary);
    color: var(--text);
    font: inherit;
    font-size: .875rem;
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
}
.jx-ft-play__btn:hover {
    border-color: #ffd60a;
    background: rgba(255, 214, 10, .12);
}
.jx-ft-play__btn:focus-visible {
    outline: 2px solid var(--ft-phase-cruise);
    outline-offset: 2px;
}
.jx-ft-play__speed {
    display: inline-flex;
    align-items: center;
    gap: .375rem;
    font-size: .75rem;
    color: var(--text-secondary);
}
.jx-ft-play__select {
    height: 2.25rem;
    padding: 0 .5rem;
    border: 0.5px solid var(--border);
    border-radius: var(--radius, 12px);
    background: var(--surface-secondary);
    color: var(--text);
    font-family: inherit;
    font-size: .875rem;
    cursor: pointer;
}
.jx-ft-play__select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.jx-ft-play__clock {
    margin-left: auto;
    font-family: var(--ft-mono);
    font-size: .9375rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--text);
}
.jx-ft-play__range {
    display: block;
    width: 100%;
    height: 1.5rem;
    margin: .5rem 0 0;
    accent-color: #ffd60a;
    cursor: pointer;
}
.jx-ft-play__readout {
    margin: .25rem 0 0;
    min-height: 1.125rem;
    font-family: var(--ft-mono);
    font-size: .75rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* 历史区「只看机场」筛选 */
.jx-ft-history__filter {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-top: .5rem;
}
.jx-ft-history__filter-label {
    font-size: .75rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}
.jx-ft-history__filter-input {
    width: 8rem;
    height: 2rem;
    padding: 0 .625rem;
    border: 0.5px solid var(--border);
    border-radius: var(--radius, 12px);
    background: var(--surface-secondary);
    color: var(--text);
    font-family: var(--ft-mono);
    font-size: .875rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.jx-ft-history__filter-input::placeholder {
    color: var(--text-secondary);
    letter-spacing: normal;
    text-transform: none;
    font-family: inherit;
}
.jx-ft-history__filter-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ── 按机场查航班 ───────────────────────────────────────────────────── */
.jx-ft-airport {
    margin-top: 1.5rem;
    padding: 1.125rem 1.25rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-xl, 20px);
    background: var(--surface-primary);
}
.jx-ft-airport__title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}
.jx-ft-airport__note {
    margin: .5rem 0 0;
    font-size: .8125rem;
    line-height: 1.65;
    color: var(--text-secondary);
}
.jx-ft-airport__note.is-error {
    color: #ff453a;
}
.jx-ft-airport__form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: .625rem 1rem;
    margin-top: .875rem;
}
.jx-ft-airport__input {
    flex: 0 1 10rem;
    min-width: 8rem;
    max-width: 12rem;
    letter-spacing: .08em;
}
.jx-ft-airport__submit {
    height: 2.625rem;
    min-width: 6rem;
}
.jx-ft-airport__hint {
    flex: 1 1 100%;
}
.jx-ft-airport-sample {
    padding: .125rem .375rem;
    border: 0.5px solid var(--border-light);
    border-radius: 6px;
    background: transparent;
    color: var(--text);
    font-family: var(--ft-mono);
    font-size: .8125rem;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}
.jx-ft-airport-sample:hover,
.jx-ft-airport-sample:focus-visible {
    background: var(--accent-soft);
    border-color: var(--accent);
    outline: none;
}
.jx-ft-airport__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
    gap: .625rem;
    margin: .875rem 0 0;
    padding: 0;
    list-style: none;
}
.jx-ft-airport__list:empty {
    display: none;
    margin: 0;
}
.jx-ft-airport__item {
    display: flex;
}
.jx-ft-airport__btn {
    display: block;
    width: 100%;
    padding: .625rem .75rem;
    border: 0.5px solid var(--border-light);
    border-radius: var(--radius-lg, 14px);
    background: var(--surface-secondary);
    font: inherit;
    color: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color .18s ease, background-color .18s ease;
}
.jx-ft-airport__btn:hover {
    border-color: var(--accent);
}
.jx-ft-airport__btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
.jx-ft-airport__item-head {
    display: flex;
    align-items: center;
    gap: .5rem;
}
.jx-ft-airport__callsign {
    font-family: var(--ft-mono);
    font-size: .875rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--text);
    white-space: nowrap;
}
.jx-ft-airport__role {
    padding: .125rem .4375rem;
    border-radius: var(--radius-full, 999px);
    font-size: .625rem;
    letter-spacing: .04em;
    white-space: nowrap;
}
.jx-ft-airport__role.is-dep {
    background: rgba(255, 159, 10, .16);
    color: #ff9f0a;
}
.jx-ft-airport__role.is-arr {
    background: rgba(50, 173, 230, .16);
    color: #32ade6;
}
.jx-ft-airport__time {
    margin-left: auto;
    font-family: var(--ft-mono);
    font-size: .6875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}
.jx-ft-airport__route {
    margin: .4375rem 0 0;
    font-family: var(--ft-mono);
    font-size: .75rem;
    letter-spacing: .02em;
    color: var(--text);
}
.jx-ft-airport__meta {
    margin: .25rem 0 0;
    font-size: .6875rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* ── 响应式 ─────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .jx-ft-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .jx-ft-map {
        height: clamp(320px, 46vh, 440px);
    }
}
@media (max-width: 760px) {
    .jx-ft-search {
        flex-direction: column;
        align-items: stretch;
    }
    .jx-ft-search__field,
    .jx-ft-search__auto {
        flex: 1 1 auto;
        width: 100%;
    }
    .jx-ft-search__submit {
        width: 100%;
    }
    .jx-ft-airport__form {
        flex-direction: column;
        align-items: stretch;
    }
    .jx-ft-airport__input {
        flex: 1 1 auto;
        max-width: none;
        width: 100%;
    }
    .jx-ft-airport__submit {
        width: 100%;
    }
    .jx-ft-map {
        height: clamp(280px, 42vh, 360px);
    }
    .jx-ft-map__hint {
        right: .75rem;
    }
    .jx-ft-map__layers {
        top: .5rem;
        right: .5rem;
    }
    .jx-ft-map__live {
        top: .5rem;
        left: .5rem;
        right: 6.5rem;
        gap: .25rem .375rem;
    }
    .jx-ft-map__live > #jx-ft-live-bar,
    .jx-ft-map__legend {
        font-size: .625rem;
    }
    .jx-ft-map__tip {
        max-width: 12rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .jx-ft-hero__dot {
        animation: none;
    }
    .jx-ft-progress__bar {
        transition: none;
    }
}