:root {
    --travel-blue: #0751bd;
    --travel-blue-dark: #073c92;
    --travel-blue-light: #2d7bd8;
    --travel-teal: #08a98d;
    --travel-ink: #122039;
    --travel-muted: #6d7d96;
    --travel-line: #e4eaf2;
    --travel-page: #f4f7fb;
    --travel-surface: #fff;
    --travel-danger: #e94b6a;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { min-width: 0; min-height: 100%; margin: 0; }
body {
    color: var(--travel-ink);
    background: #eef2f7;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
button, input, select, textarea { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.travel-page {
    width: min(100%, 430px);
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0 auto;
    overflow: hidden;
    background: var(--travel-page);
    box-shadow: 0 0 38px rgba(18, 36, 67, .1);
}

.travel-page-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: grid;
    min-height: 56px;
    padding: 0 14px;
    grid-template-columns: 48px 1fr 48px;
    align-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--travel-blue-dark), var(--travel-blue));
    box-shadow: 0 4px 18px rgba(7, 61, 145, .16);
}
.travel-page-header h1 {
    margin: 0;
    overflow: hidden;
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.25;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.travel-icon-button {
    display: grid;
    width: 44px;
    height: 44px;
    padding: 0;
    place-items: center;
    color: inherit;
    font-size: 22px;
    border: 0;
    border-radius: 50%;
    background: transparent;
}
.travel-icon-button:active { background: rgba(255,255,255,.14); }

.travel-section {
    margin: 14px;
    padding: 17px 14px;
    border: 1px solid rgba(226, 232, 240, .9);
    border-radius: 20px;
    background: var(--travel-surface);
    box-shadow: 0 8px 24px rgba(35, 55, 82, .055);
}
.travel-section-head {
    display: flex;
    min-height: 44px;
    margin: -7px 0 8px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.travel-section-head h2 { margin: 0; font-size: 18px; font-weight: 850; line-height: 1.25; }
.travel-section-head p { margin: 3px 0 0; color: var(--travel-muted); font-size: 12px; }
.travel-more {
    display: inline-flex;
    min-width: 44px;
    min-height: 44px;
    padding: 0 2px 0 10px;
    align-items: center;
    justify-content: flex-end;
    color: var(--travel-blue);
    font-size: 13px;
    font-weight: 750;
    border: 0;
    background: transparent;
}

.travel-empty {
    display: grid;
    min-height: 150px;
    padding: 24px 18px;
    place-items: center;
    color: var(--travel-muted);
    text-align: center;
}
.travel-empty-icon {
    display: grid;
    width: 52px;
    height: 52px;
    margin: 0 auto 10px;
    place-items: center;
    color: #8ca3c5;
    font-size: 25px;
    border-radius: 50%;
    background: #edf3fb;
}
.travel-empty strong { display: block; color: #41516a; font-size: 15px; }
.travel-empty span { display: block; margin-top: 5px; font-size: 12px; line-height: 1.55; }

.travel-loading {
    display: grid;
    min-height: 160px;
    place-items: center;
    color: var(--travel-muted);
    font-size: 13px;
}
.travel-loading::before {
    width: 24px;
    height: 24px;
    margin-right: 9px;
    content: "";
    border: 3px solid #dbe5f3;
    border-top-color: var(--travel-blue);
    border-radius: 50%;
    animation: travel-spin .8s linear infinite;
}
@keyframes travel-spin { to { transform: rotate(360deg); } }

.travel-primary-button,
.travel-secondary-button {
    display: inline-flex;
    min-height: 46px;
    padding: 0 18px;
    align-items: center;
    justify-content: center;
    font-weight: 750;
    border-radius: 23px;
}
.travel-primary-button { color: #fff; border: 0; background: var(--travel-blue); box-shadow: 0 8px 18px rgba(7,81,189,.18); }
.travel-secondary-button { color: var(--travel-blue); border: 1px solid #cbd9ee; background: #fff; }

.travel-pull {
    height: 0;
    overflow: hidden;
    color: var(--travel-muted);
    font-size: 12px;
    line-height: 42px;
    text-align: center;
    transition: height .16s ease;
}
.travel-pull.is-visible { height: 42px; }

.travel-toast {
    position: fixed;
    right: 50%;
    bottom: 24px;
    z-index: 100;
    max-width: calc(100% - 40px);
    padding: 10px 15px;
    color: #fff;
    font-size: 13px;
    line-height: 1.4;
    text-align: center;
    border-radius: 22px;
    background: rgba(16, 27, 45, .92);
    box-shadow: 0 10px 30px rgba(16,27,45,.2);
    opacity: 0;
    transform: translate(50%, 12px);
    transition: opacity .18s ease, transform .18s ease;
    pointer-events: none;
}
.travel-toast.is-visible { opacity: 1; transform: translate(50%, 0); }

@media (max-width: 430px) {
    .travel-page { width: 100%; box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}