/* Sperrungen: Oberfläche ohne Framework. Hell und dunkel folgen der Geräteeinstellung. */

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-display: swap;
    font-weight: 100 900;
    src: url("fonts/inter-latin-wght-normal.woff2") format("woff2-variations");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: "Inter";
    font-style: normal;
    font-display: swap;
    font-weight: 100 900;
    src: url("fonts/inter-latin-ext-wght-normal.woff2") format("woff2-variations");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
    font-family: "Bricolage Grotesque";
    font-style: normal;
    font-display: swap;
    font-weight: 200 800;
    src: url("fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2-variations");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: "Bricolage Grotesque";
    font-style: normal;
    font-display: swap;
    font-weight: 200 800;
    src: url("fonts/bricolage-grotesque-latin-ext-wght-normal.woff2") format("woff2-variations");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
    color-scheme: light dark;

    --bg: #f4f6f5;
    --surface: #ffffff;
    --surface-2: #eaefec;
    --text: #15201c;
    --muted: #4f5c57;
    --border: #c9d3ce;
    --border-strong: #87958f;
    --accent: #0b6b57;
    --accent-hover: #084f40;
    --accent-ink: #ffffff;
    --accent-soft: #d9f2ea;
    --accent-soft-ink: #07483b;
    --warn-bg: #fff3d1;
    --warn-ink: #5c3d00;
    --danger: #b42318;
    --danger-bg: #fde8e6;
    --danger-ink: #7a1610;
    --grid: rgb(11 107 87 / 7%);

    --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --display: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
    --radius: 10px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0b0e12;
        --surface: #141922;
        --surface-2: #1c2330;
        --text: #e6eaf0;
        --muted: #a4adbb;
        --border: #2b3442;
        --border-strong: #5b6678;
        --accent: #4ff0b4;
        --accent-hover: #7dfccb;
        --accent-ink: #04130d;
        --accent-soft: #113329;
        --accent-soft-ink: #a5f7d7;
        --warn-bg: #3a2d0c;
        --warn-ink: #ffdf8f;
        --danger: #ff8a80;
        --danger-bg: #3b1714;
        --danger-ink: #ffc2bc;
        --grid: rgb(79 240 180 / 5%);
    }
}

/* Feste Wahl über den Umschalter, Vorrang vor der Geräteeinstellung */
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0b0e12;
    --surface: #141922;
    --surface-2: #1c2330;
    --text: #e6eaf0;
    --muted: #a4adbb;
    --border: #2b3442;
    --border-strong: #5b6678;
    --accent: #4ff0b4;
    --accent-hover: #7dfccb;
    --accent-ink: #04130d;
    --accent-soft: #113329;
    --accent-soft-ink: #a5f7d7;
    --warn-bg: #3a2d0c;
    --warn-ink: #ffdf8f;
    --danger: #ff8a80;
    --danger-bg: #3b1714;
    --danger-ink: #ffc2bc;
    --grid: rgb(79 240 180 / 5%);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.55;
}

h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0; font-weight: 700; }
h1 { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.4rem); }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.1rem; }
p { margin: 0; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }
img { display: block; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    background: var(--surface);
    padding: 10px 14px;
    border-radius: var(--radius);
    z-index: 10;
}
.skip-link:focus { top: 8px; }

.wrap { width: 100%; max-width: 1040px; margin-inline: auto; padding-inline: 16px; }
.main { flex: 1; padding-block: 24px 48px; display: flex; flex-direction: column; gap: 24px; }
.narrow { max-width: 460px; width: 100%; margin-inline: auto; display: flex; flex-direction: column; gap: 16px; }
.stack { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.section { margin-top: 12px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }

/* Kopfzeile */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar__inner { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between; padding-block: 10px; }
.brand { display: inline-flex; gap: 10px; align-items: center; color: var(--text); text-decoration: none; font-family: var(--display); font-weight: 700; min-height: 44px; }
.nav { display: flex; flex-wrap: wrap; gap: 2px 16px; align-items: center; }
.nav a, .link-button { min-height: 44px; display: inline-flex; align-items: center; color: var(--text); font: inherit; font-size: 0.95rem; }
.nav a { text-decoration: none; }
.nav a:hover, .link-button:hover { color: var(--accent); text-decoration: underline; }
.nav__form { margin: 0; }
.link-button { background: none; border: 0; padding: 0; cursor: pointer; }

.demo-bar { background: var(--warn-bg); color: var(--warn-ink); font-size: 0.875rem; padding-block: 8px; }
.demo-bar .wrap { display: block; }

.footer { border-top: 1px solid var(--border); padding-block: 16px; font-size: 0.9rem; }
.footer__inner { display: flex; gap: 20px; flex-wrap: wrap; }
.footer a { color: var(--muted); min-height: 44px; display: inline-flex; align-items: center; }

/* Startseite */
.hero { display: flex; flex-direction: column; gap: 12px; padding: 28px 20px; border-radius: var(--radius); border: 1px solid var(--border); background-color: var(--surface); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 28px 28px; }
.lede { font-size: 1.1rem; max-width: 62ch; }
.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.checks { margin: 0; padding-left: 1.2em; display: flex; flex-direction: column; gap: 6px; }

/* Bausteine */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 10px 18px;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.button:hover { border-color: var(--accent); color: var(--accent); }
.button--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-ink); }
.button--danger { color: var(--danger); border-color: var(--danger); }
.button--danger:hover { background: var(--danger-bg); color: var(--danger-ink); border-color: var(--danger); }
.button--small { min-height: 44px; padding: 8px 14px; font-size: 0.95rem; }

.alert { padding: 12px 14px; border-radius: 8px; border: 1px solid transparent; }
.alert--ok { background: var(--accent-soft); color: var(--accent-soft-ink); }
.alert--error { background: var(--danger-bg); color: var(--danger-ink); border-color: var(--danger); }
.alert--warn { background: var(--warn-bg); color: var(--warn-ink); }
.alert ul { margin: 6px 0 0; padding-left: 1.2em; }

/* Formulare */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label, .field legend, .field > .label { font-weight: 600; padding: 0; }
.field .hint { color: var(--muted); font-size: 0.875rem; }
fieldset.field { border: 0; margin: 0; padding: 0; }

input[type="text"], input[type="password"], input[type="number"], select, textarea {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    background: var(--surface);
    color: var(--text);
    font: inherit;
}
textarea { min-height: 150px; resize: vertical; }
input[type="file"] { font: inherit; padding-block: 8px; max-width: 100%; }
.date-time { display: grid; gap: 10px; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); }
.sublabel { font-weight: 400 !important; font-size: 0.875rem; color: var(--muted); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.field-row { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }

.field-error { color: var(--danger); font-weight: 600; font-size: 0.9rem; }
.form { max-width: 760px; gap: 20px; }
.choice-row { display: flex; flex-wrap: wrap; gap: 8px; }
.choice { position: relative; display: inline-flex; }
.choice input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.choice span { display: inline-flex; align-items: center; min-height: 46px; padding: 8px 14px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); }
.choice input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.choice input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.check { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); flex: none; }
.multiselect { border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); }
.multiselect summary { min-height: 46px; padding: 10px 12px; cursor: pointer; }
.multiselect__options { padding: 4px 12px 10px; border-top: 1px solid var(--border); display: grid; gap: 0 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }

/* Übersicht */
.page-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tabs a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 14px; color: var(--muted); text-decoration: none; border-bottom: 3px solid transparent; }
.tabs a:hover { color: var(--text); }
.tabs a[aria-current="page"] { color: var(--text); font-weight: 600; border-bottom-color: var(--accent); }

.notice-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.notice { display: flex; flex-direction: column; gap: 10px; }
.notice__meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.notice__title { font-size: 1.2rem; overflow-wrap: anywhere; }
.notice__time { font-weight: 600; font-variant-numeric: tabular-nums; }
.notice__until { color: var(--muted); font-weight: 400; }
.notice__body { overflow-wrap: anywhere; }
.pdf-link { display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: center; min-height: 44px; font-weight: 600; overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.confirm summary { list-style: none; }
.confirm summary::-webkit-details-marker { display: none; }
.confirm[open] summary { margin-bottom: 8px; }
.confirm__form { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin: 0; }

.badge { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; font-size: 0.8rem; font-weight: 600; background: var(--surface-2); color: var(--text); }
.badge--streckensperrung { background: var(--danger-bg); color: var(--danger-ink); }
.badge--haltestellenverlegung, .badge--umleitung { background: var(--warn-bg); color: var(--warn-ink); }
.badge--now { background: var(--accent); color: var(--accent-ink); }
.line-chip { display: inline-flex; align-items: center; padding: 1px 8px; border-radius: 6px; font-size: 0.8rem; font-weight: 600; border: 1px solid var(--border-strong); }

.table-wrap { overflow-x: auto; padding: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child > * { border-bottom: 0; }
thead th { font-size: 0.875rem; color: var(--muted); }
.line-form { display: grid; gap: 12px; align-items: end; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); }

/* Seitenzahlen von CodeIgniter */
.pagination { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; padding: 0; margin: 0; }
.pagination a { display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 8px; text-decoration: none; }
.pagination .active a { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* Fahrdienst */
.driver { display: flex; flex-direction: column; gap: 16px; max-width: 620px; width: 100%; margin-inline: auto; }
.driver__hint { font-weight: 600; font-size: 0.9rem; padding: 6px 12px; border-radius: 8px; background: var(--warn-bg); color: var(--warn-ink); }
.driver__result-head { display: flex; flex-direction: column; gap: 8px; }
.driver__date { font-weight: 600; }
.driver__picker summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 600; }
.driver__picker[open] summary { margin-bottom: 8px; }
.day-links { display: flex; gap: 8px; }
.day-links [aria-current="date"] { border-color: var(--accent); border-width: 2px; }

.prose { max-width: 70ch; display: flex; flex-direction: column; gap: 14px; }
.prose h2 { margin-top: 12px; }
.prose ul { margin: 0; padding-left: 1.2em; display: flex; flex-direction: column; gap: 4px; }

[hidden] { display: none !important; }
.notice__stop { font-size: 0.95rem; }
.card__summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 600; }
details.card[open] .card__summary { margin-bottom: 12px; }

/* Streckennetz */
.network, .stop-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.network__line { display: flex; flex-direction: column; gap: 12px; container-type: inline-size; }
.network__line--inactive { opacity: 0.75; }
.network__head { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; justify-content: space-between; }
.line-chip--big { font-size: 1rem; padding: 2px 10px; margin-right: 6px; background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.route-strip { list-style: none; margin: 0; padding: 0 0 0 4px; display: flex; flex-direction: column; }
.route-strip li { position: relative; padding: 4px 0 4px 22px; font-size: 0.95rem; }
.route-strip li::before { content: ""; position: absolute; left: 4px; top: 0; bottom: 0; width: 3px; background: var(--accent); }
.route-strip li:first-child::before { top: 50%; }
.route-strip li:last-child::before { bottom: 50%; }
.route-strip li::after { content: ""; position: absolute; left: 0; top: 50%; width: 11px; height: 11px; margin-top: -5.5px; border-radius: 50%; background: var(--surface); border: 3px solid var(--accent); }
.route-strip__stop--transfer { font-weight: 700; }
.route-strip li.route-strip__stop--transfer::after { background: var(--accent); }

@container (min-width: 560px) {
    .route-strip { flex-direction: row; flex-wrap: wrap; row-gap: 14px; padding-left: 0; }
    .route-strip li { padding: 20px 14px 0 0; min-width: 96px; }
    .route-strip li::before { left: 0; right: 0; top: 7px; bottom: auto; width: auto; height: 3px; }
    .route-strip li:first-child::before { top: 7px; left: 5px; }
    .route-strip li:last-child::before { bottom: auto; right: auto; width: 5px; }
    .route-strip li::after { top: 3px; margin-top: 0; }
}

.inline-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin: 0; }
.inline-form .field { flex: 1 1 200px; min-width: 0; }
.stop-row { display: flex; flex-direction: column; gap: 10px; padding: 12px 14px; }
.stop-row__meta { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }

.route-edit { margin: 0; padding-left: 1.6em; display: flex; flex-direction: column; gap: 6px; }
.route-edit li { padding: 2px 0; }
.route-edit li > * { vertical-align: middle; }
.route-edit__name { display: inline-block; min-width: 10em; font-weight: 600; margin-right: 8px; }
.route-edit__actions { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.button:disabled { opacity: 0.4; cursor: default; }

/* Datumsauswahl (flatpickr) in den Farben der Anwendung, hell und dunkel */
.flatpickr-calendar { font-family: var(--font); background: var(--surface); border: 1px solid var(--border-strong); box-shadow: 0 8px 24px rgb(0 0 0 / 30%); }
.flatpickr-calendar.arrowTop::before, .flatpickr-calendar.arrowTop::after { border-bottom-color: var(--border-strong); }
.flatpickr-calendar.arrowBottom::before, .flatpickr-calendar.arrowBottom::after { border-top-color: var(--border-strong); }
.flatpickr-months .flatpickr-month, .flatpickr-current-month, .flatpickr-current-month .cur-month, span.flatpickr-weekday { color: var(--text); fill: var(--text); background: transparent; }
.flatpickr-months .flatpickr-prev-month, .flatpickr-months .flatpickr-next-month { color: var(--text); fill: var(--text); }
.flatpickr-months .flatpickr-prev-month:hover svg, .flatpickr-months .flatpickr-next-month:hover svg { fill: var(--accent); }
.flatpickr-calendar .flatpickr-current-month input.cur-year { min-height: 0; padding: 0 0 0 0.5ch; border: 0; border-radius: 0; background: transparent; color: var(--text); width: 7ch; font-size: inherit; font-weight: 600; line-height: inherit; height: auto; }
.numInputWrapper span { border-color: var(--border); }
.numInputWrapper span.arrowUp::after { border-bottom-color: var(--text); }
.numInputWrapper span.arrowDown::after { border-top-color: var(--text); }
.flatpickr-day { color: var(--text); }
.flatpickr-day.prevMonthDay, .flatpickr-day.nextMonthDay { color: var(--muted); opacity: 0.7; }
.flatpickr-day:hover, .flatpickr-day:focus { background: var(--surface-2); border-color: var(--surface-2); color: var(--text); }
.flatpickr-day.today { border-color: var(--accent); }
.flatpickr-day.today:hover, .flatpickr-day.today:focus { background: var(--surface-2); border-color: var(--accent); color: var(--text); }
.flatpickr-day.selected, .flatpickr-day.selected:hover, .flatpickr-day.selected:focus { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* Umschalter für das Design */
.theme-switch { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.theme-switch__options { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; }
.theme-switch button { min-height: 44px; min-width: 44px; padding: 4px 10px; border: 0; border-left: 1px solid var(--border-strong); background: transparent; color: var(--text); font: inherit; font-size: 0.875rem; cursor: pointer; }
.theme-switch button:first-child { border-left: 0; }
.theme-switch button:hover { background: var(--surface-2); }
.theme-switch button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.theme-switch button:focus-visible { outline-offset: -3px; }