:root {
  --c: #0f766e;
  --c-soft: #f0fdfa;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --danger: #dc2626;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--c); }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }

/* layout */
.top { display: flex; align-items: center; gap: 24px; padding: 0 24px; height: 56px; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.top .brand { font-weight: 700; white-space: nowrap; }
.top nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.top nav a { padding: 8px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; font-weight: 500; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
.top nav a:hover { background: var(--bg); color: var(--ink); }
.top nav a.on { background: var(--c-soft); color: var(--c); }
.badge { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 10px; background: var(--danger); color: #fff; font-size: 12px; font-weight: 700; text-align: center; line-height: 20px; }
.main { max-width: 1100px; margin: 0 auto; padding: 24px; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.card + .card { margin-top: 16px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* controls */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: #cbd5e1; background: var(--bg); }
.btn.primary { background: var(--c); border-color: var(--c); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn.on { background: var(--c-soft); border-color: var(--c); color: var(--c); }
.btn:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid #cbd5e1; border-radius: 8px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--c); box-shadow: 0 0 0 3px var(--c-soft); }
label.f { display: block; margin-bottom: 14px; }
label.f > span { display: block; font-weight: 600; margin-bottom: 4px; font-size: 13px; }
label.f input:not([type=checkbox]):not([type=color]), label.f select, label.f textarea { width: 100%; }
label.f small { display: block; color: var(--muted); margin-top: 4px; font-size: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

/* appointments */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat .v { font-size: 24px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 13px; }
.day-group { margin-bottom: 20px; }
.day-group h3 { font-size: 14px; margin: 0 0 8px; color: var(--muted); font-weight: 600; }
.appt { display: grid; grid-template-columns: 64px 1.4fr 1.4fr 150px; gap: 12px; align-items: center; padding: 12px 16px; background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 6px; }
.appt.st-new { border-left: 4px solid #f59e0b; }
.appt.st-cancelled { opacity: .55; }
.appt .t { font-size: 16px; font-weight: 700; }
.appt .who { font-weight: 600; }
.appt .who a { color: var(--ink); text-decoration: none; font-weight: 400; }
.appt .what { color: var(--muted); font-size: 13px; }
.appt .comment { grid-column: 2 / -1; font-size: 13px; color: var(--muted); background: var(--bg); padding: 6px 10px; border-radius: 6px; }
.appt select { width: 100%; }
.src { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--bg); color: var(--muted); margin-left: 6px; font-weight: 500; }
.empty { text-align: center; padding: 48px 16px; color: var(--muted); }

/* doctors & services */
.list-item { display: flex; align-items: center; gap: 16px; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 6px; }
.list-item .grow { flex: 1; min-width: 0; }
.list-item .name { font-weight: 600; }
.avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--c-soft); color: var(--c); display: grid; place-items: center; font-weight: 700; flex: none; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.sched { display: grid; grid-template-columns: 40px 1fr; gap: 6px 12px; align-items: start; }
.sched .wd { font-weight: 600; padding-top: 6px; }
.intervals { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.interval { display: flex; align-items: center; gap: 4px; padding: 2px 4px 2px 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); }
.interval input { padding: 4px 6px; width: 96px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 4px 2px 10px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); font-size: 13px; margin: 0 6px 6px 0; }
.x { border: 0; background: none; cursor: pointer; color: var(--muted); font-size: 16px; line-height: 1; padding: 2px 6px; border-radius: 6px; }
.x:hover { background: #fee2e2; color: var(--danger); }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.checks label { display: flex; gap: 8px; align-items: center; cursor: pointer; padding: 3px 0; }
.checks input { accent-color: var(--c); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }

/* code */
pre.code { background: #0f172a; color: #e2e8f0; padding: 16px; border-radius: 10px; overflow-x: auto; font: 13px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace; margin: 0 0 12px; white-space: pre-wrap; word-break: break-all; }

/* modal */
.modal-bg { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: flex; align-items: flex-start; justify-content: center; padding: 48px 16px; overflow-y: auto; z-index: 50; }
.modal { background: #fff; border-radius: 14px; width: 100%; max-width: 640px; padding: 24px; box-shadow: 0 24px 64px rgba(0,0,0,.2); }
.modal h2 { font-size: 18px; margin-bottom: 20px; }
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.modal .actions .left { margin-right: auto; }
.section-title { font-weight: 600; font-size: 13px; margin: 18px 0 8px; }

/* login */
.login { max-width: 380px; margin: 12vh auto; padding: 0 16px; }
.login .card { padding: 28px; }
.login h1 { margin-bottom: 4px; }
.err { color: var(--danger); margin: 0 0 12px; }

#toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 100; }
#toast div { background: #0f172a; color: #fff; padding: 10px 18px; border-radius: 10px; margin-top: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.2); }
#toast div.bad { background: var(--danger); }

@media (max-width: 760px) {
  .top { padding: 0 12px; gap: 12px; }
  .top .brand { display: none; }
  .main { padding: 16px 12px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .appt { grid-template-columns: 56px 1fr; }
  .appt .what, .appt .st { grid-column: 2; }
  .appt .comment { grid-column: 1 / -1; }
  .grid2, .checks { grid-template-columns: 1fr; }
}