:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --ink: #1c2024;
  --muted: #6b7280;
  --line: #e6e8eb;
  --accent: #1f6feb;
  --present: #16a34a;
  --pending: #d97706;
  --excused: #9ca3af;
  --not-excused: #dc2626;
}
* { box-sizing: border-box; }
/* The hidden attribute must win over any author display rule (e.g. .login uses grid). */
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ---- login ---- */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 20px; }
.card {
  width: min(380px, 100%); background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 24px; box-shadow: 0 8px 30px rgba(0,0,0,.06);
  display: flex; flex-direction: column; gap: 12px;
}
.card h1 { margin: 0; font-size: 22px; }
.card .sub { margin: 0 0 6px; color: var(--muted); }
.card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.card label.row { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); }
.card input[type="email"], .card input[type="password"], .card input[type="text"] {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 15px;
}
.card details summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.card button { margin-top: 6px; padding: 11px; border: 0; border-radius: 10px;
  background: var(--accent); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; }
.msg { color: var(--not-excused); font-size: 13px; min-height: 1em; margin: 0; }

/* ---- topbar ---- */
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center;
  justify-content: space-between; gap: 8px; padding: 10px 14px;
  background: var(--card); border-bottom: 1px solid var(--line);
  padding-top: max(10px, env(safe-area-inset-top));
}
.nav { display: flex; align-items: center; gap: 6px; }
.nav button { border: 1px solid var(--line); background: #fff; border-radius: 9px;
  padding: 6px 11px; font-size: 15px; cursor: pointer; }
.week-label { margin-left: 6px; font-weight: 600; }
.ghost { border: 0; background: transparent; color: var(--muted); cursor: pointer; }

/* ---- therapist filter ---- */
.filter { display: flex; align-items: center; gap: 8px; padding: 10px 14px; }
.filter-label { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.filter select { padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--card); color: var(--ink); font-size: 14px; max-width: 70vw; cursor: pointer; }

.status { padding: 0 14px; color: var(--muted); min-height: 1em; }
.empty { padding: 40px 14px; text-align: center; color: var(--muted); }

/* ---- agenda ---- */
.agenda { padding: 4px 14px 40px; max-width: 720px; margin: 0 auto; }
.day h2 { font-size: 14px; text-transform: capitalize; color: var(--muted);
  margin: 18px 0 8px; position: sticky; top: 52px; background: var(--bg); padding: 4px 0; }
.appt { display: grid; grid-template-columns: 92px 1fr auto; gap: 10px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--line);
  border-radius: 12px; padding: 10px 12px; margin-bottom: 8px; }
.appt .time { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 13px; }
.appt .title { font-weight: 600; }
.appt .meta { color: var(--muted); font-size: 13px; }
.appt .badge { font-size: 11px; color: var(--muted); white-space: nowrap; }

.appt.status-present { border-left-color: var(--present); }
.appt.status-pending { border-left-color: var(--pending); }
.appt.status-not_excused { border-left-color: var(--not-excused); }
.appt.status-excused { border-left-color: var(--excused); opacity: .6; }
.appt.status-excused .title { text-decoration: line-through; }

@media (prefers-color-scheme: dark) {
  :root { --bg:#0f1115; --card:#171a21; --ink:#e6e8eb; --muted:#9aa3ad; --line:#262b33; }
  .nav button, .card input { background:#0f1115; color:var(--ink); }
}