/* Penguin Hops — flat "departure board" design.
   White + black + one red accent (Swiss-timetable palette), warm grays,
   near-square geometry, hairlines over boxes, IBM Plex Sans for UI and
   IBM Plex Mono for data (codes, dates, prices). Fonts are loaded in
   header.php from the jsdelivr CDN with system fallbacks. */

:root {
    --ink: #211e1b;
    --muted: #6b645d;
    --faint: #877f77;
    --paper: #faf8f6;
    --surface: #ffffff;
    --line: #eae5e0;
    --line-strong: #d2cbc4;
    --accent: #c93326;
    --accent-dark: #a3271c;
    --accent-soft: #fcf0ee;
    --success: #2e7d4f;
    --success-soft: #f0f7f2;
    --danger: #b42318;
    --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 15px;
    line-height: 1.5;
}

a { color: var(--accent-dark); }

/* ---------- header / nav ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}

.nav-wrap {
    position: relative;
    max-width: 1120px;
    min-height: 60px;
    margin: 0 auto;
    padding: 8px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand a {
    color: var(--ink);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.01em;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 9px;
}

.brand-logo { width: auto; height: 40px; display: block; }
.nav-links { display: flex; align-items: center; gap: 4px; }

.nav-links a {
    padding: 6px 10px 4px;
    border-bottom: 2px solid transparent;
    color: #625b54;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
}

.nav-links a:hover { color: var(--ink); }
.nav-links a.current { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    padding: 9px;
    border: 0;
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
}

.nav-toggle:hover { background: #f3efeb; }
.nav-toggle span {
    display: block;
    height: 2px;
    margin: 4px 0;
    background: var(--ink);
}

/* ---------- layout / type ---------- */

.container { max-width: 1120px; margin: 0 auto; padding: 32px 20px 56px; }
h1, h2, h3 { color: var(--ink); }
h1 { margin: 0 0 8px; font-size: 26px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; text-wrap: balance; }
.page-intro { max-width: 760px; margin-bottom: 22px; }
.subtitle { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.subtitle-extra { margin: 4px 0 24px; color: var(--faint); font-size: 13px; }
.container > .subtitle { margin-bottom: 22px; }
.page-stats { margin: 10px 0 0; color: var(--muted); font-family: var(--mono); font-size: 13px; }

.section-title {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.breadcrumbs { margin: -6px 0 16px; color: var(--muted); font-size: 12.5px; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumb-sep { margin: 0 4px; color: var(--faint); }

/* ---------- filters ---------- */

.filters {
    margin-bottom: 26px;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 3px;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    gap: 14px;
    align-items: end;
}

.dropdown-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.field { min-width: 0; display: flex; flex-direction: column; gap: 5px; }

.field label {
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    min-width: 0;
    min-height: 42px;
    padding: 9px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 3px;
    outline: 0;
    background: var(--surface);
    color: var(--ink);
    font-family: inherit;
    font-size: 15px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(201, 51, 38, .14);
}

.field input[type="date"],
.field input[type="number"] { font-family: var(--mono); font-size: 13.5px; }

.field textarea { min-height: 140px; resize: vertical; font-size: 15px; }
.controls { display: flex; gap: 10px; align-items: flex-end; margin: 0; }

.controls button,
.controls button.active,
.btn {
    min-height: 42px;
    padding: 10px 18px;
    border: 1px solid var(--accent);
    border-radius: 3px;
    box-shadow: none;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    transform: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.controls button:hover,
.controls button.active:hover,
.btn:hover {
    border-color: var(--accent-dark);
    background: var(--accent-dark);
    box-shadow: none;
    transform: none;
}

.controls button.secondary,
.btn.secondary { border-color: var(--line-strong); background: var(--surface); color: var(--ink); }
.controls button.secondary:hover,
.btn.secondary:hover { border-color: var(--ink); background: var(--surface); }

/* Collapsible advanced filters */
.more-filters { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }

.more-filters summary {
    display: flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    padding: 2px 0;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    cursor: pointer;
    user-select: none;
    list-style: none;
}

.more-filters summary:hover { color: var(--ink); }
.more-filters summary::-webkit-details-marker { display: none; }

.more-filters summary::before {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted);
    transform: rotate(-45deg);
    flex: 0 0 auto;
    transition: transform .15s;
}

.more-filters[open] summary::before { transform: rotate(45deg); }

.adv-count {
    padding: 1px 6px;
    border: 1px solid var(--accent);
    border-radius: 2px;
    color: var(--accent-dark);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 12px;
}

.advanced-grid .field-include,
.advanced-grid .field-exclude { grid-column: span 2; }

/* ---------- generic cards / boxes ---------- */

.content-card,
.form-card,
.empty,
.success-box,
.error-box {
    margin-bottom: 18px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 3px;
    box-shadow: none;
    background: var(--surface);
}

.content-card { max-width: 760px; }
.content-card p { margin: 0 0 14px; line-height: 1.7; }
.content-card p:last-child { margin-bottom: 0; }
.success-box { border-left: 3px solid var(--success); background: var(--success-soft); }
.error-box { border-left: 3px solid var(--danger); background: #fff5f4; color: var(--danger); }

/* ---------- results board ---------- */

.results-bar {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    padding: 0 2px 12px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--line-strong);
}

.results-count { display: block; color: var(--ink); font-size: 16px; font-weight: 700; }
.results-context { color: var(--muted); font-size: 13px; }
.results-range { color: var(--muted); font-family: var(--mono); font-size: 12.5px; }

.route-card {
    position: relative;
    overflow: hidden;
    margin-bottom: 12px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 3px;
    box-shadow: none;
    background: var(--surface);
}

.route-card:hover { border-color: var(--line-strong); }
.route-card-bookable { border-left: 3px solid var(--accent); }
.route-card-bookable:hover { border-color: var(--line-strong); border-left-color: var(--accent); }

.route-card-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 24px;
    padding: 16px 18px;
}

.route-main { min-width: 0; }

.route-badge {
    display: inline-flex;
    align-items: center;
    margin-bottom: 9px;
    padding: 2px 7px;
    border: 1px solid var(--accent);
    border-radius: 2px;
    background: transparent;
    color: var(--accent-dark);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.route-title {
    color: var(--ink);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.route-arrow { margin: 0 2px; color: var(--faint); font-weight: 400; }
.route-summary { min-width: 150px; text-align: right; }

.route-price {
    color: var(--ink);
    font-family: var(--mono);
    font-size: 21px;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
}

.price-prefix {
    color: var(--muted);
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    vertical-align: middle;
}

.route-duration,
.route-trip-days { margin-top: 4px; color: var(--muted); font-size: 13px; }

.route-airport-path {
    margin-top: 4px;
    color: var(--faint);
    font-family: var(--mono);
    font-size: 11.5px;
}

/* segments: the loop, one hairline row per flight */

.segments {
    margin-top: 0;
    padding: 16px 18px 2px;
    border-top: 1px solid var(--line);
    background: var(--surface);
}

.segment {
    position: relative;
    padding: 0 0 16px 26px;
    border: 0;
}

.segment:first-child { padding-top: 0; }

.segment::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 6px;
    width: 7px;
    height: 7px;
    border: 1.5px solid var(--accent);
    border-radius: 50%;
    background: var(--surface);
    z-index: 1;
}

.segment:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 7px;
    top: 16px;
    bottom: -5px;
    width: 1px;
    background: #ddd6cf;
}

.segment-route {
    min-width: 0;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
    font-weight: 600;
}

.segment-city { color: var(--ink); }
.segment-arrow { color: var(--faint); }

.segment-airport-code {
    padding: 1px 4px;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    background: transparent;
    color: #5a534c;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.4;
}

.segment-date {
    margin-left: auto;
    padding: 0;
    background: transparent;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 12.5px;
    font-weight: 400;
    white-space: nowrap;
}

.segment-details {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: baseline;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.5;
}

.segment-details > span + span::before { content: "\00b7"; margin-right: 8px; color: var(--faint); }
.segment-price { color: var(--ink); font-family: var(--mono); font-size: 13px; font-weight: 600; }
.segment-price-date { color: var(--muted); font-family: var(--sans); font-size: 12.5px; font-weight: 400; }
.segment-airline,
.segment-duration { color: var(--muted); }
.segment-scraped { color: var(--faint); font-size: 12px; cursor: help; }

.airline-link,
.stay-links a { color: var(--accent-dark); text-decoration: none; font-weight: 600; }
.airline-link:hover,
.stay-links a:hover { text-decoration: underline; }
.stay-links { margin-top: 6px; color: var(--muted); font-size: 13px; }

.recommended {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    margin-top: 0;
    padding: 13px 18px 15px;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: var(--surface);
    color: #4a453f;
    font-size: 13.5px;
}

.recommended-title {
    margin: 0;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    line-height: 1.9;
}

.note { max-width: 760px; margin-top: 26px; color: var(--muted); font-size: 13.5px; }

.empty-fun { padding: 38px 20px; text-align: center; }
.empty-icon { font-size: 40px; line-height: 1; margin: 0 0 12px; }
.empty-hint { margin-top: 8px; color: var(--muted); font-size: 13.5px; }

/* Visually hidden spam-trap field (contact + newsletter forms) */
.honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

/* Country flags: image on desktop, emoji on mobile (only one visible) */
.city-flag-img {
    display: inline;
    vertical-align: middle;
    margin-right: 3px;
    border-radius: 2px;
}
.city-flag-emoji { display: none; }

/* ---------- footer ---------- */

.site-footer { margin-top: 20px; border-top: 1px solid var(--line); background: var(--surface); }
.footer-wrap { max-width: 1120px; margin: 0 auto; padding: 18px 20px; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }

.footer-links a {
    color: #625b54;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
}

.footer-links a:hover { color: var(--ink); text-decoration: underline; }
.footer-note { margin-top: 5px; color: var(--faint); font-size: 12px; }

/* ---------- Tom Select ---------- */

.ts-wrapper { width: 100%; }
.ts-wrapper .ts-control,
.ts-wrapper input,
.ts-dropdown,
.ts-dropdown .option,
.ts-dropdown .item { font-family: inherit !important; font-size: 14.5px !important; }

.ts-wrapper .ts-control {
    min-height: 42px;
    padding: 5px 9px !important;
    border-color: var(--line-strong) !important;
    border-radius: 3px !important;
    box-shadow: none !important;
}

.ts-wrapper.focus .ts-control {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 2px rgba(201, 51, 38, .14) !important;
}

.ts-dropdown {
    border-color: var(--line-strong) !important;
    border-radius: 3px !important;
    box-shadow: 0 8px 20px rgba(33, 30, 27, .12) !important;
}

.ts-wrapper.multi .ts-control > div {
    border-radius: 2px !important;
    background: #f2efec !important;
    color: var(--ink) !important;
}

/* ---------- pagination ---------- */

.pagination { display: flex; align-items: center; justify-content: center; gap: 6px; flex-wrap: wrap; margin: 26px 0; }

.page-link {
    min-width: 36px;
    height: 36px;
    padding: 0 8px;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    background: var(--surface);
    color: var(--ink);
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.page-link:hover { border-color: var(--ink); }
.page-link.current { border-color: var(--ink); background: var(--ink); color: #fff; }
.page-dots { color: var(--faint); font-family: var(--mono); }

/* ---------- landing-page components ---------- */

.month-chips {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
    margin: -8px 0 22px;
}

.month-chips-label {
    color: var(--muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.month-chips a {
    padding: 4px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    background: var(--surface);
    color: var(--ink);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.month-chips a:hover { border-color: var(--accent); color: var(--accent-dark); }
.month-chips a.current { border-color: var(--ink); background: var(--ink); color: #fff; }

.city-links { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); }

.city-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 3px 18px;
}

.city-links-grid a {
    padding: 3px 0;
    color: var(--ink);
    font-size: 14px;
    text-decoration: underline;
    text-decoration-color: var(--line-strong);
    text-underline-offset: 3px;
}

.city-links-grid a:hover { color: var(--accent-dark); text-decoration-color: var(--accent); }

.faq { max-width: 760px; margin-top: 36px; }
.faq-item { border-top: 1px solid var(--line); padding: 13px 0 2px; }
.faq-item h3 { margin: 0 0 5px; font-size: 15px; font-weight: 600; }
.faq-item p { margin: 0 0 12px; color: #55504a; font-size: 14.5px; line-height: 1.65; }

/* ---------- a11y ---------- */

a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ---------- responsive ---------- */

@media (max-width: 820px) {
    .filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .advanced-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .field-month,
    .field-duration { grid-column: auto; }
    .field-include,
    .field-exclude,
    .controls { grid-column: 1 / -1; }
    .controls button { width: 100%; }
}

@media (max-width: 700px) {
    .city-flag-img { display: none; }
    .city-flag-emoji { display: inline; }

    .nav-wrap { min-height: 54px; padding: 6px 14px; }
    .brand a { font-size: 16px; }
    .brand-logo { height: 36px; }
    .nav-toggle { display: block; }

    .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 1px);
        left: 12px;
        right: 12px;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 6px;
        border: 1px solid var(--line);
        border-radius: 3px;
        box-shadow: 0 10px 26px rgba(33, 30, 27, .14);
        background: var(--surface);
    }

    .nav-links.open { display: flex; }
    .nav-links a { padding: 10px 11px; border-bottom: 0; }
    .nav-links a.current { background: #f3efeb; }

    .container { padding: 24px 14px 44px; }
    h1 { font-size: 22px; }
    .subtitle { font-size: 14.5px; }
    .filters { margin-bottom: 22px; padding: 13px; }
    .filter-grid { gap: 12px 10px; }

    .breadcrumbs { margin: -4px 0 12px; }
    .month-chips { gap: 6px; margin: -4px 0 18px; }
    .month-chips-label { width: 100%; }
    .city-links-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .results-bar { align-items: flex-start; flex-direction: column; gap: 4px; }
    .route-card-head { grid-template-columns: 1fr; gap: 12px; padding: 14px; }
    .route-summary { min-width: 0; text-align: left; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
    .route-price { font-size: 19px; }
    .route-duration,
    .route-trip-days { margin-top: 0; }
    .route-title { font-size: 16px; }
    .segments { padding: 14px 14px 0; }
    .segment { padding-left: 24px; }
    .segment-route { font-size: 14px; }
    .segment-date { width: 100%; margin-left: 0; }
    .segment-details > span + span::before { display: none; }
    .recommended { grid-template-columns: 1fr; gap: 4px; padding: 12px 14px 14px; }
    .recommended-title { line-height: 1.5; }
    .pagination .btn { padding: 9px 11px; }
}

@media (max-width: 420px) {
    .filter-grid { grid-template-columns: 1fr; }
    .advanced-grid { grid-template-columns: 1fr; }
    .field-include,
    .field-exclude,
    .controls { grid-column: 1; }
    .route-summary { display: block; }
    .route-duration,
    .route-trip-days { margin-top: 4px; }
}