/* Modulo Nexus web surface — the desktop's named-resource palette as CSS
   custom properties (App.axaml tokens, same hexes: page / card / ink /
   hairline / card border / accent, status inks). Mobile-first; one column
   on a phone, a centred column on tablets and desktops. Dark like the
   desktop by Julien's ruling. W1 adds the language colours (Color.Language.*). */
:root {
    --page: #212227;
    --card: #2a2b31;
    --ink: #ffffff;
    --ink-secondary: #a3a3b0;
    --ink-muted: #84848f;
    --hairline: #3a3b42;
    --card-border: #47474e;
    --accent: #730000;
    --accent-ink: #ffffff;
    --status-error: #e57373;
    --status-good: #0ca30c;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Thai", sans-serif;
    font-size: 16px;
    line-height: 1.45;
    -webkit-text-size-adjust: 100%;
}

.topbar {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    height: 52px;
    padding: 0 16px;
    background: var(--page);
    border-bottom: 1px solid var(--hairline);
}

.brand {
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .08em;
}

.page {
    max-width: 560px;
    margin: 0 auto;
    padding: 16px;
}

.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 22px 18px;
}

h1 { margin: 0 0 10px; font-size: 22px; font-weight: 600; }
p { margin: 0 0 12px; color: var(--ink-secondary); }
strong { color: var(--ink); font-weight: 600; }
.muted { color: var(--ink-muted); }
.small { font-size: 12.5px; }

label {
    display: block;
    margin: 14px 0 6px;
    font-size: 11px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ink-muted);
}
label .muted { text-transform: none; letter-spacing: 0; }

input[type="password"], input[type="text"] {
    width: 100%;
    min-height: 44px;
    padding: 12px;
    font: inherit;
    color: var(--ink);
    background: var(--page);
    border: 1px solid var(--card-border);
    border-radius: 6px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

button.primary {
    width: 100%;
    min-height: 46px;
    margin-top: 18px;
    font: inherit;
    font-weight: 600;
    color: var(--accent-ink);
    background: var(--accent);
    border: 0;
    border-radius: 6px;
    cursor: pointer;
}
button.primary:hover { filter: brightness(1.15); }

.error, .validation-message { margin: 8px 0 0; font-size: 13px; color: var(--status-error); }
.validation-errors { margin: 0; padding: 0; list-style: none; }

@media (min-width: 768px) {
    .page { padding: 32px 24px; }
    .card { padding: 28px; }
}

/* ---- W1: sign-in, header, the schedule ---- */
:root {
    --lang-en: #008300;   /* Color.Language.EN */
    --lang-fr: #3987e5;
    --lang-ch: #e66767;
    --lang-th: #d95926;
    --lang-kr: #c98500;
    --lang-jp: #9085e9;
}
.lang-EN { --lang: var(--lang-en); }
.lang-FR { --lang: var(--lang-fr); }
.lang-CH { --lang: var(--lang-ch); }
.lang-TH { --lang: var(--lang-th); }
.lang-KR { --lang: var(--lang-kr); }
.lang-JP { --lang: var(--lang-jp); }

.page { max-width: 1400px; }
.card.narrow { max-width: 480px; margin: 0 auto; }

.topbar { justify-content: space-between; gap: 12px; }
.brand { white-space: nowrap; }
.topnav { display: flex; align-items: center; gap: 12px; font-size: 13px; min-width: 0; }
.topnav a { color: var(--ink-secondary); text-decoration: none; white-space: nowrap; }
.topnav .who { color: var(--ink-muted); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topnav button.link { white-space: nowrap; }
@media (min-width: 768px) { .topnav .who { max-width: 320px; } }
form.inline { display: inline; margin: 0; }
button.link { padding: 0; border: 0; background: none; color: var(--ink-secondary); font: inherit; font-size: 13px; text-decoration: underline; cursor: pointer; }

.btn {
    display: inline-block; min-height: 40px; padding: 10px 14px;
    border: 1px solid var(--card-border); border-radius: 6px;
    color: var(--ink); background: var(--card); text-decoration: none;
    font: inherit; font-size: 14px; cursor: pointer;
}
.btn:hover { border-color: var(--ink-muted); }
select {
    min-height: 40px; padding: 9px 10px; font: inherit; color: var(--ink);
    background: var(--page); border: 1px solid var(--card-border); border-radius: 6px;
}
.check { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-size: 13px; color: var(--ink-secondary); text-transform: none; letter-spacing: 0; }
.check input { width: 18px; height: 18px; }

.sched { display: flex; flex-direction: column; gap: 12px; }
.sched-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 10px; }
.sched-head h1 { margin: 0; }
.weeknav, .filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 8px; }
.filters label { display: flex; flex-direction: column; gap: 4px; margin: 0; }

.daytabs { display: flex; gap: 4px; }
.daytabs a {
    flex: 1; display: flex; flex-direction: column; align-items: center; padding: 8px 0;
    border: 1px solid var(--card-border); border-radius: 6px; background: var(--card);
    color: var(--ink-secondary); text-decoration: none; font-size: 11px;
}
.daytabs a strong { font-size: 16px; color: var(--ink); }
.daytabs a em { font-style: normal; font-size: 10px; color: var(--ink-muted); }
.daytabs a.on { border-color: var(--accent); background: #3a2326; }
.daytabs a.today strong { color: var(--status-good); }

.week .day { display: none; }
.week .day.selected { display: block; }
.day h2 { margin: 8px 0 6px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); }
.day.today h2 { color: var(--status-good); }

.cell {
    margin-bottom: 8px; padding: 10px 12px;
    background: var(--card); border: 1px solid var(--card-border); border-radius: 8px;
    border-left: 4px solid var(--lang, var(--card-border));
}
.cell-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: 13px; }
.cell .time { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.cell .lang { padding: 1px 6px; border-radius: 4px; background: var(--lang, var(--ink-muted)); color: #fff; font-size: 11px; font-weight: 600; letter-spacing: .04em; }
.cell .cat { color: var(--ink-secondary); }
.flag { padding: 1px 6px; border: 1px solid var(--ink-muted); border-radius: 4px; color: var(--ink-secondary); font-size: 10px; font-weight: 600; letter-spacing: .06em; }
.flag-hold { border-style: dashed; }
.flag-cancelled, .flag-noteacher, .flag-outcome { border-color: var(--status-error); color: var(--status-error); }
.cell-who { margin-top: 4px; font-size: 14px; color: var(--ink); }
.cell-where { margin-top: 2px; font-size: 12px; color: var(--ink-muted); }
.cell.status-cancelled, .cell.status-postponed { opacity: .6; }
.cell.status-cancelled .cell-who, .cell.status-cancelled .time { text-decoration: line-through; }
.cell.hold { border-style: dashed; }
.holiday { font-size: 13px; color: var(--status-error); }
.empty { padding: 6px 0; }
.note { margin-top: 6px; }

.teachers { display: grid; grid-template-columns: 1fr; gap: 10px; }
.teacher-block { padding-top: 8px; border-top: 1px solid var(--hairline); }
.teacher-block h2 { display: flex; align-items: baseline; gap: 8px; margin: 0 0 6px; font-size: 15px; }
.teacher-block h2 a { color: var(--ink); text-decoration: none; }
.teacher-block.away { opacity: .65; }

@media (min-width: 768px) {
    .daytabs { display: none; }
    .week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
    .week .day { display: block; min-width: 0; }
    .teachers { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
    .card.narrow { margin-top: 40px; }
}