:root {
  --bg: #f6f7fb; --card: #fff; --text: #1d2433; --muted: #6b7385; --line: #e3e6ef;
  --accent: #3b5bdb; --warn: #e8590c; --warn-bg: #fff4e6; --danger: #c92a2a; --ok: #2b8a3e;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171f; --card: #1d2230; --text: #e8ebf3; --muted: #99a1b5; --line: #2c3345; --accent: #748ffc; --warn: #ffa94d; --warn-bg: #2f2418; --danger: #ff8787; --ok: #69db7c; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.3rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 20px 0 8px; }
.top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs button { flex: 1; }
button, .btn { font: inherit; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }
button.link { border: 0; background: none; color: var(--muted); padding: 4px 8px; }
button:disabled { opacity: .5; cursor: wait; }
input, select, textarea { font: inherit; width: 100%; padding: 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); margin-bottom: 10px; }
label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 3px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; }
.day { font-weight: 600; text-transform: capitalize; margin: 18px 0 6px; }
.subject { font-weight: 600; }
.text { white-space: pre-wrap; margin: 2px 0 6px; }
.meta { font-size: .8rem; color: var(--muted); }
.chip { display: inline-block; font-size: .75rem; padding: 2px 8px; border-radius: 99px; background: var(--line); margin-right: 4px; }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.alert { border-left: 4px solid var(--warn); background: var(--warn-bg); }
.alert .t { font-weight: 600; color: var(--warn); }
.err { color: var(--danger); margin: 6px 0; }
.ok { color: var(--ok); }
.row { display: flex; gap: 8px; }
.row > * { flex: 1; }
.empty { color: var(--muted); text-align: center; padding: 30px 0; }
.pw { position: relative; }
.pw input { padding-right: 52px; }
.pw button { position: absolute; right: 4px; top: 2px; height: 40px; width: 44px; padding: 0; font-size: 1.15rem; line-height: 1; }

/* ---------- agenda : semaine / mois / liste ---------- */
.seg { display: flex; gap: 6px; margin: 12px 0 8px; }
.seg button { flex: 1; }
.cal-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 10px 0 6px; }
.cal-nav button { width: 44px; padding: 8px 0; font-size: 1.2rem; line-height: 1; }
.cal-title { font-weight: 700; text-transform: capitalize; text-align: center; }

.item { background: var(--card); border: 1px solid var(--line); border-left: 4px solid hsl(var(--h) 65% 50%); border-radius: 10px; padding: 8px 10px; margin-bottom: 8px; }
.subj { display: inline-block; font-size: .78rem; font-weight: 700; padding: 1px 9px; border-radius: 99px; background: hsl(var(--h) 70% 50% / .16); color: hsl(var(--h) 60% 30%); }
.item .text { margin: 4px 0 4px; }

.wday { display: flex; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.wdate { width: 46px; flex: none; text-align: center; }
.dow { display: block; font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.dnum { display: inline-block; font-size: 1.35rem; font-weight: 700; width: 38px; height: 38px; line-height: 38px; }
.wday.today .dnum { background: var(--accent); color: #fff; border-radius: 50%; }
.wday.past { opacity: .55; }
.wbody { flex: 1; min-width: 0; }
.nothing { padding: 10px 0; }

.month { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.mhead { text-align: center; font-size: .7rem; color: var(--muted); text-transform: uppercase; padding: 2px 0; }
.mcell { position: relative; display: flex; flex-direction: column; align-items: center; gap: 4px; min-height: 58px; padding: 6px 2px 4px; border-radius: 10px; }
.mcell.out { opacity: .4; }
.mcell.today { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.mcell.sel { background: var(--accent); border-color: var(--accent); color: #fff; }
.mnum { font-weight: 600; font-size: .95rem; }
.dots { display: flex; flex-wrap: wrap; gap: 2px; justify-content: center; max-width: 100%; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: hsl(var(--h) 65% 50%); }
.mcell.sel .dot { box-shadow: 0 0 0 1.5px #fff; }
.mwarn { position: absolute; top: 1px; right: 2px; font-size: .62rem; }
.alert button.link { padding-left: 0; }

@media (prefers-color-scheme: dark) {
  .subj { color: hsl(var(--h) 85% 78%); }
}
summary.h2 { font-size: 1.05rem; font-weight: 700; margin: 18px 0 8px; cursor: pointer; }
.cal-title .link { font-size: .78rem; font-weight: 400; padding: 2px 8px; }
.alert-actions { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 6px; }
.alert-actions .link { padding: 4px 0; }