:root {
  --bg: #f5f6f8; --card: #ffffff; --ink: #1d2433; --muted: #667085; --line: #e3e6eb;
  --brand: #d4581c; --brand-ink: #ffffff; --ok: #1f8a4c; --warn: #b7791f; --bad: #c0392b; --info: #2b6cb0;
  --chip: #eef1f5;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11151c; --card: #1a202b; --ink: #e7eaf0; --muted: #9aa4b2; --line: #2a3240; --chip: #232b38; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }
header.top { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header.top .brand { font-weight: 700; letter-spacing: .02em; }
header.top .brand span { color: var(--brand); }
header.top nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
header.top nav a { padding: 6px 10px; border-radius: 8px; color: var(--ink); }
header.top nav a.on, header.top nav a:hover { background: var(--chip); text-decoration: none; }
header.top .who { color: var(--muted); font-size: 13px; display: flex; gap: 8px; align-items: center; }
main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
h1 { font-size: 22px; margin: 6px 0 4px; }
h2 { font-size: 17px; margin: 22px 0 8px; }
.que { color: var(--muted); margin: 0 0 16px; max-width: 760px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.stat b { display: block; font-size: 26px; }
.stat small { color: var(--muted); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.tablewrap { overflow-x: auto; }
.chip { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--chip); white-space: nowrap; }
.chip.ok { background: rgba(31,138,76,.15); color: var(--ok); }
.chip.warn { background: rgba(183,121,31,.15); color: var(--warn); }
.chip.bad { background: rgba(192,57,43,.15); color: var(--bad); }
.chip.info { background: rgba(43,108,176,.15); color: var(--info); }
.muted { color: var(--muted); }
form.inline { display: inline; }
label { display: block; font-weight: 600; margin: 10px 0 4px; }
label small { font-weight: 400; color: var(--muted); }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=tel], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); font: inherit; }
textarea { min-height: 80px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
button, .btn { display: inline-block; padding: 8px 14px; border: 0; border-radius: 8px; background: var(--brand); color: var(--brand-ink); font: inherit; font-weight: 600; cursor: pointer; }
button.sec, .btn.sec { background: var(--chip); color: var(--ink); }
button.small { padding: 4px 10px; font-size: 13px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; }
.filters > div { min-width: 140px; }
.msg { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; background: rgba(31,138,76,.12); }
.msg.err { background: rgba(192,57,43,.12); }
.timeline .ev { padding: 8px 0; border-bottom: 1px dashed var(--line); }
.timeline .ev .k { font-size: 12px; color: var(--muted); }
.ev.turno_cliente .t { font-weight: 600; }
.ev.turno_asistente .t { color: var(--info); }
.ev.regla .t { color: var(--warn); }
.login { max-width: 360px; margin: 10vh auto; }
.tester { display: grid; gap: 12px; }
#log { height: 320px; overflow: auto; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; font: 13px/1.4 ui-monospace, monospace; }
@media (max-width: 640px) { header.top nav { order: 3; width: 100%; } }