:root {
  --bg: #f4f7f9;
  --card: #ffffff;
  --text: #17232b;
  --muted: #61717c;
  --line: #dbe3e8;
  --primary: #0e5a7a;
  --primary-text: #ffffff;
  --accent: #e8f2f7;
  --warn: #b45309;
  --warn-bg: #fff4e5;
  --danger: #b42318;
  --ok-bg: #e7f6ec;
  --ok: #1e7a3c;
  --meal: #d7f0de;
  --bar: #2a86ab;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f171c;
    --card: #17232b;
    --text: #e6edf1;
    --muted: #9aabb6;
    --line: #2a3a44;
    --primary: #3aa0c8;
    --primary-text: #06141b;
    --accent: #1d3442;
    --warn: #f5a524;
    --warn-bg: #3a2a10;
    --danger: #f97066;
    --ok-bg: #12301d;
    --ok: #6fd28f;
    --meal: #1f4a2c;
    --bar: #4fb3da;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); }
h1 { font-size: 1.5rem; margin: 0.4rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 0 0 0.6rem; }
h3 { font-size: 1rem; margin: 1rem 0 0.4rem; }
main { max-width: 1100px; margin: 0 auto; padding: 16px 16px 64px; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); background: var(--primary); color: var(--primary-text); }
.top a { color: var(--primary-text); text-decoration: none; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; white-space: nowrap; }
.brand img { width: 40px; height: auto; padding: 3px 4px; background: #fff; border-radius: 8px; }
.auth-logo { display: block; width: 160px; height: auto; margin: 0 auto 4px; }
@media (max-width: 600px) { .brand span { display: none; } }
.top nav { display: flex; gap: 4px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.top nav a { padding: 6px 10px; border-radius: 8px; white-space: nowrap; opacity: 0.85; }
.top nav a.on { background: rgba(255,255,255,0.18); opacity: 1; font-weight: 600; }
.me { font-size: 0.85rem; opacity: 0.9; white-space: nowrap; max-width: 30vw; overflow: hidden; text-overflow: ellipsis; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 16px; min-width: 0; }
.card.narrow { max-width: 520px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; align-items: start; }
.grid2 > .card { margin-bottom: 0; }
.wide { grid-column: 1 / -1; }
.auth { max-width: 420px; margin: 8vh auto 0; }
.auth h1 { text-align: center; }

label { display: block; margin: 0 0 12px; font-weight: 500; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
fieldset label.check { align-items: flex-start; margin-bottom: 8px; }
fieldset label.check input { margin-top: 4px; flex-shrink: 0; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; }
input[type=checkbox] { width: auto; margin: 0; }
input[type=file] { padding: 8px; }
fieldset { border: 1px solid var(--line); border-radius: 10px; margin: 0 0 12px; padding: 10px 12px; }
legend { font-weight: 600; padding: 0 4px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
/* Choix unique présenté en cases à cocher carrées (statut, bateau du jour, sortie aux Saintes) */
fieldset.choices label.check, fieldset[data-saintes] label.check { padding: 6px 0; cursor: pointer; }
.choices input[type=radio], [data-saintes] input[type=radio] { appearance: none; -webkit-appearance: none; width: 22px; height: 22px; margin: 0; flex-shrink: 0; padding: 0; border: 2px solid var(--muted); border-radius: 5px; background: var(--card); display: grid; place-content: center; }
.choices input[type=radio]:checked, [data-saintes] input[type=radio]:checked { background: var(--primary); border-color: var(--primary); }
.choices input[type=radio]:checked::after, [data-saintes] input[type=radio]:checked::after { content: "✓"; color: var(--primary-text); font-size: 15px; font-weight: 700; line-height: 1; }
.choices label[hidden] { display: none; }

button, .btn { display: inline-block; padding: 10px 16px; font: inherit; font-weight: 600; color: var(--primary-text); background: var(--primary); border: 0; border-radius: 10px; cursor: pointer; text-decoration: none; text-align: center; }
button.secondary, .btn.secondary { background: var(--accent); color: var(--primary); }
button.danger { background: var(--danger); color: #fff; }
.btn.big { padding: 16px 20px; font-size: 1.05rem; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 16px; }
.actions .btn.big { flex: 1 1 260px; }
form + form { margin-top: 8px; }

.flash { padding: 10px 14px; border-radius: 10px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.err { background: var(--warn-bg); color: var(--warn); }
.warn { color: var(--warn); font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.big { font-size: 1.4rem; font-weight: 700; margin: 0.2rem 0 0.6rem; }
.pre { white-space: pre-wrap; }

table { width: 100%; border-collapse: collapse; }
td, th { padding: 7px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
table.data { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-bottom: 12px; display: block; overflow-x: auto; }
table.data thead, table.data tbody { display: table; width: 100%; }
tr.alert td { background: var(--warn-bg); }
tr.inactive td { opacity: 0.5; }
.scroll { overflow-x: auto; }
.grid-month td, .grid-month th { padding: 4px 3px; text-align: center; font-size: 0.78rem; min-width: 26px; }
.grid-month td:first-child, .grid-month th:first-child { text-align: left; min-width: 120px; position: sticky; left: 0; background: var(--card); }
.grid-month td.meal { background: var(--meal); }
.grid-month td.empty { background: var(--bg); }
ul.list { list-style: none; margin: 0 0 10px; padding: 0; }
ul.list li { padding: 6px 0; border-bottom: 1px solid var(--line); }

.filters, .exportbar, form.inline { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin: 0 0 14px; }
.filters label, .exportbar label, form.inline label { margin: 0; font-weight: 400; font-size: 0.9rem; }
.filters select, .filters input, .exportbar input, form.inline input { width: auto; }

img.ticket { max-width: 100%; border-radius: 12px; border: 1px solid var(--line); }
input.copy { font-size: 0.85rem; }

.chart { margin: 8px 0; }
.chart svg { width: 100%; height: 140px; display: block; }
.chart .bar { fill: var(--bar); }
.chart .bar.alert { fill: var(--warn); }
.chart .bar.down { fill: var(--ok); opacity: 0.6; }
.chart .zero { stroke: var(--muted); stroke-width: 1; }
.chart .limit { stroke: var(--warn); stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .trend { fill: none; stroke: var(--text); stroke-width: 2.5; stroke-linejoin: round; }
.chart .legend { margin: 6px 0 0; }
.legend .k { display: inline-block; width: 14px; height: 0; vertical-align: middle; margin: 0 4px 0 8px; border-top: 3px solid var(--text); }
.legend .k.bar { height: 10px; border: 0; background: var(--bar); }
.legend .k.limit { border-top: 2px dashed var(--warn); }
.chart figcaption { display: flex; font-size: 0.68rem; color: var(--muted); }
.chart figcaption span { text-align: center; overflow: hidden; white-space: nowrap; }
.hours { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hours label[hidden], fieldset[hidden], div[hidden] { display: none; }

@media (max-width: 600px) {
  .me { display: none; }
  .grid2 { grid-template-columns: 1fr; }
  h1 { font-size: 1.3rem; }
  .chart figcaption span:nth-child(odd) { visibility: hidden; }
}