:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --ink: #1c2430;
  --ink-2: #5a6678;
  --line: #dde3ea;
  --brand: #0b5cad;
  --brand-ink: #ffffff;
  --brand-soft: #e3eefa;
  --libre: #1f8a4c;
  --libre-soft: #e2f4ea;
  --ocupado: #b4372f;
  --ocupado-soft: #fbe7e5;
  --mia: #6a3fb5;
  --mia-soft: #efe7fb;
  --sombra: 0 1px 3px rgba(20, 30, 50, .08), 0 4px 14px rgba(20, 30, 50, .06);
  --radio: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d; --panel: #1a212b; --ink: #e6ebf1; --ink-2: #9aa6b5; --line: #2b3542;
    --brand: #4a9be8; --brand-ink: #07121f; --brand-soft: #1b2e44;
    --libre: #4fc283; --libre-soft: #173527; --ocupado: #ef7a70; --ocupado-soft: #3d1f1d;
    --mia: #b391f0; --mia-soft: #2d2342;
    --sombra: 0 1px 3px rgba(0,0,0,.4);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.45 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; }
a { color: var(--brand); }
button, input, select, textarea { font: inherit; color: inherit; }

/* ── Barra superior ───────────────────────────────────────── */
.top { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.top .marca { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; color: var(--ink); }
.top .marca img { width: 30px; height: 30px; }
.top .marca small { display: block; font-weight: 400; color: var(--ink-2); font-size: 12px; }
.top nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; align-items: center; }
.top nav a, .top nav button { padding: 6px 12px; border-radius: 8px; text-decoration: none; color: var(--ink-2); background: none; border: 0; cursor: pointer; }
.top nav a:hover, .top nav button:hover, .top nav a.activo { background: var(--brand-soft); color: var(--brand); }
.usuario-chip { font-size: 13px; color: var(--ink-2); padding: 0 6px; }

main { max-width: 1280px; margin: 0 auto; padding: 18px 20px 40px; }

/* ── Botones / formularios ────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel); cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--brand); }
.btn.primario { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.peligro { color: var(--ocupado); border-color: var(--ocupado); }
.btn.chico { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
label { display: block; font-size: 13px; color: var(--ink-2); margin: 10px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=time], input[type=search], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
.fila { display: flex; gap: 10px; }
.fila > * { flex: 1; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radio); box-shadow: var(--sombra); padding: 16px; }
.barra { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.barra h1 { font-size: 20px; margin: 0 auto 0 0; }
.muted { color: var(--ink-2); }
.leyenda { display: flex; gap: 14px; font-size: 13px; color: var(--ink-2); align-items: center; flex-wrap: wrap; }
.leyenda i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 4px; }

/* ── Calendario semanal ───────────────────────────────────── */
.cal { display: grid; grid-template-columns: 56px repeat(var(--dias, 5), 1fr); border: 1px solid var(--line); border-radius: var(--radio); background: var(--panel); overflow: hidden; }
.cal .cab { position: sticky; top: 0; padding: 8px 6px; text-align: center; border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); background: var(--panel); font-size: 13px; }
.cal .cab b { display: block; font-size: 17px; }
.cal .cab.hoy { color: var(--brand); }
.cal .cab .libres { font-size: 11px; color: var(--libre); }
.cal .horas { position: relative; }
.cal .horas div { height: var(--h, 44px); font-size: 11px; color: var(--ink-2); text-align: right; padding-right: 6px; transform: translateY(-7px); }
.cal .col { position: relative; border-left: 1px solid var(--line); background-image: linear-gradient(var(--line) 1px, transparent 1px); background-size: 100% var(--h, 44px); cursor: pointer; }
.cal .col.pasado { background-color: color-mix(in srgb, var(--bg) 70%, transparent); cursor: default; }
.cal .col .ahora { position: absolute; left: 0; right: 0; height: 2px; background: var(--ocupado); z-index: 3; }
.cal .col .hover { position: absolute; left: 3px; right: 3px; border-radius: 6px; background: var(--libre-soft); border: 1px dashed var(--libre); color: var(--libre); font-size: 12px; padding: 2px 6px; pointer-events: none; }
.ev { position: absolute; left: 3px; right: 3px; border-radius: 6px; padding: 3px 7px; font-size: 12px; overflow: hidden; background: var(--ocupado-soft); border-left: 4px solid var(--ocupado); cursor: pointer; z-index: 2; line-height: 1.3; }
.ev.mia { background: var(--mia-soft); border-left-color: var(--mia); }
.ev b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ev span { color: var(--ink-2); }

/* ── Modal ────────────────────────────────────────────────── */
dialog { border: 0; border-radius: 14px; padding: 0; width: min(560px, calc(100vw - 24px)); background: var(--panel); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(10, 15, 25, .45); }
dialog form, dialog .cuerpo { padding: 18px 20px; }
dialog h2 { margin: 0 0 6px; font-size: 18px; }
dialog .acciones { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.error { color: var(--ocupado); font-size: 14px; min-height: 1em; margin-top: 8px; }
.ok { color: var(--libre); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { display: inline-flex; align-items: center; gap: 4px; background: var(--brand-soft); color: var(--brand); border-radius: 99px; padding: 3px 4px 3px 10px; font-size: 13px; }
.chip button { border: 0; background: none; cursor: pointer; color: inherit; font-size: 15px; line-height: 1; padding: 0 4px; }
.sugerencias { border: 1px solid var(--line); border-radius: 8px; margin-top: 4px; max-height: 180px; overflow: auto; background: var(--panel); }
.sugerencias div { padding: 6px 10px; cursor: pointer; font-size: 14px; }
.sugerencias div:hover { background: var(--brand-soft); }
.sugerencias small { color: var(--ink-2); }

.lista-personas { list-style: none; padding: 0; margin: 6px 0 0; }
.lista-personas li { padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.lista-personas li small { display: block; color: var(--ink-2); }

/* ── Tablas (admin) ───────────────────────────────────────── */
.tabla-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--ink-2); background: var(--bg); position: sticky; top: 0; }
tr.inactivo td { opacity: .55; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; background: var(--bg); border: 1px solid var(--line); }
.tag.si { background: var(--libre-soft); color: var(--libre); border-color: transparent; }
.tag.resp { background: var(--brand-soft); color: var(--brand); border-color: transparent; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { border: 0; background: none; padding: 8px 14px; cursor: pointer; border-bottom: 2px solid transparent; color: var(--ink-2); }
.tabs button.activo { color: var(--brand); border-bottom-color: var(--brand); font-weight: 600; }
.switch { position: relative; width: 38px; height: 22px; display: inline-block; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--line); border-radius: 99px; cursor: pointer; transition: .15s; }
.switch span::before { content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .15s; }
.switch input:checked + span { background: var(--libre); }
.switch input:checked + span::before { transform: translateX(16px); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radio); padding: 12px 14px; }
.stat b { font-size: 24px; display: block; }
.stat span { font-size: 13px; color: var(--ink-2); }
pre.code { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; overflow-x: auto; font-size: 13px; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--panel); padding: 10px 18px; border-radius: 10px; z-index: 100; box-shadow: var(--sombra); }

@media (max-width: 720px) {
  .top { padding: 8px 16px; flex-wrap: wrap; }
  .top nav { margin-left: 0; }
  main { padding: 14px 16px 40px; }
  .cal { --dias: 1 !important; }
  .fila { flex-direction: column; gap: 0; }
}