:root {
  --bg: #0f1115; --bg-panel: #171a21; --bg-elev: #1f232c; --line: #2a2f3a;
  --text: #e8eaf0; --muted: #9aa3b5; --accent: #4fd1a5; --accent-ink: #062a1f;
  --warn: #f6c453; --danger: #ff6b6b; --ok: #4fd1a5;
}
* { 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(--text); }
a { color: var(--accent); }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin: 22px 0 10px; }
h3 { font-size: 16px; margin: 14px 0 8px; }
code { background: var(--bg-elev); padding: 1px 6px; border-radius: 4px; }

.admin-nav { display: flex; align-items: center; gap: 6px; padding: 10px 16px; background: var(--bg-panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.admin-nav .nav-links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.admin-nav .brand { font-weight: 700; margin-right: 10px; color: var(--text); }
.admin-nav .brand span { color: var(--accent); font-weight: 500; margin-left: 6px; }
.admin-nav a { color: var(--muted); text-decoration: none; padding: 4px 8px; border-radius: 6px; }
.admin-nav a.active, .admin-nav a:hover { color: var(--text); background: var(--bg-elev); }
.admin-nav .logout { margin-left: auto; order: 3; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.admin-nav .logout button { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 6px; padding: 5px 10px; cursor: pointer; font: inherit; }

.admin-main { max-width: 1040px; margin: 0 auto; padding: 20px 16px 60px; }
.help { color: var(--muted); font-size: 13px; }
.alert { padding: 8px 10px; border-radius: 6px; font-size: 13px; margin-bottom: 8px; border: 1px solid; }
.alert.ok { color: var(--ok); border-color: rgba(79,209,165,.4); background: rgba(79,209,165,.08); }
.alert.danger { color: var(--danger); border-color: rgba(255,107,107,.4); background: rgba(255,107,107,.08); }
.alert.warn { color: var(--warn); border-color: rgba(246,196,83,.4); background: rgba(246,196,83,.08); }

section { background: var(--bg-panel); border: 1px solid var(--line); border-radius: 10px; padding: 4px 16px 16px; margin-bottom: 14px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 14px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px 14px; }
.span2 { grid-column: span 2; }
label { display: block; font-size: 13px; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 8px; align-self: end; padding-bottom: 8px; }
label.check input { width: auto; margin: 0; }
input, textarea, select {
  display: block; width: 100%; margin-top: 4px; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
.err { display: block; color: var(--danger); font-size: 12px; margin-top: 2px; }

.list { width: 100%; border-collapse: collapse; font-size: 14px; }
.list th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; padding: 6px 6px; border-bottom: 1px solid var(--line); }
.list td { padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.list small { color: var(--muted); }
.list td.ok { color: var(--ok); }
.list td.bad { color: var(--danger); }
.list input, .list select { margin: 0; padding: 6px 8px; }
.list .actions { flex-wrap: wrap; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.notes { background: var(--bg-elev); border-radius: 8px; padding: 10px 12px; white-space: pre-wrap; }

.actions { display: flex; gap: 10px; align-items: center; }
button.primary, .button {
  display: inline-block; padding: 10px 18px; border: 0; border-radius: 8px; text-decoration: none;
  background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 700; cursor: pointer;
}
.button { background: var(--bg-elev); color: var(--text); border: 1px solid var(--line); }
.button.small, button.small { padding: 6px 10px; font-size: 13px; font-weight: 600; }
.button.danger { color: var(--danger); }
.badge { display: inline-block; font-size: 11px; padding: 2px 7px; border-radius: 999px; background: var(--bg-elev); color: var(--muted); border: 1px solid var(--line); }
.badge.ok { color: var(--ok); border-color: rgba(79,209,165,.4); }
.badge.warn { color: var(--warn); border-color: rgba(246,196,83,.4); }
.badge.danger { color: var(--danger); border-color: rgba(255,107,107,.4); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 12px 0 18px; }
.stat { background: var(--bg-panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.stat strong { display: block; font-size: 26px; }
.stat span { color: var(--muted); font-size: 13px; }

.card-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
details.row { border-top: 1px solid var(--line); padding: 8px 0; }
details.row summary { cursor: pointer; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
details.row summary .name { font-weight: 600; }
details.row summary .meta { color: var(--muted); font-size: 13px; }
details.row form { margin-top: 12px; }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; }
.login-card { background: var(--bg-panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; max-width: 460px; width: 100%; }
.login-card p { color: var(--muted); }
.login-card label { margin-top: 10px; }
.login-card button.primary { width: 100%; margin-top: 16px; padding: 12px; }
.login-card .links { margin-top: 14px; font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

.landing { max-width: 900px; margin: 0 auto; padding: 60px 16px; }
.landing h1 { font-size: 36px; line-height: 1.15; margin-bottom: 14px; }
.landing .lead { font-size: 18px; color: var(--muted); max-width: 640px; }
.landing .cta { display: flex; gap: 12px; margin: 26px 0 50px; flex-wrap: wrap; }
.landing .features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.landing .features div { background: var(--bg-panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.landing .features h3 { margin-top: 0; }
.landing .features p { color: var(--muted); font-size: 14px; margin: 0; }

/* Calendario: tabla semanal en escritorio, lista por día en móvil */
.week-mobile { display: none; }
.week-mobile .day { border-top: 1px solid var(--line); padding: 8px 0; }
.week-mobile .day h3 { margin: 0 0 4px; font-size: 14px; }
.week-mobile .day.today h3 { color: var(--accent); }
.week-mobile .job { font-size: 13px; padding: 4px 0 4px 10px; border-left: 3px solid var(--accent); margin: 4px 0; }
.week-mobile .job small { color: var(--muted); display: block; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .admin-main { padding: 14px 12px 60px; }
  h1 { font-size: 20px; }
  .admin-nav { padding: 8px 12px; gap: 4px 8px; }
  .admin-nav .brand { font-size: 15px; }
  .admin-nav .logout { order: 0; margin-left: auto; }
  .admin-nav .logout span { display: none; }
  .admin-nav .nav-links { order: 5; flex-basis: 100%; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 6px -12px 0; padding: 0 12px 4px; gap: 2px; }
  .admin-nav .nav-links a { white-space: nowrap; padding: 7px 10px; font-size: 14px; }
  .admin-nav .nav-links::-webkit-scrollbar { display: none; }
  .grid2, .grid3, .grid4, .card-row { grid-template-columns: 1fr; }
  input, textarea, select { padding: 11px 12px; font-size: 16px; }
  label.check { padding: 8px 0; }
  button.primary, .button { padding: 12px 16px; }
  .button.small, button.small { padding: 9px 12px; }
  .actions { flex-wrap: wrap; }
  details.row summary { gap: 6px 10px; }
  details.row summary .meta { flex-basis: 100%; }
  /* Tablas: las de lectura se apilan en tarjetas con su etiqueta; las anchas se deslizan. */
  .list.cards, .list.cards tbody, .list.cards tr, .list.cards td { display: block; }
  .list.cards thead { display: none; }
  .list.cards tr { background: var(--bg-elev); border-radius: 8px; padding: 8px 12px; margin: 0 0 8px; border: 0; }
  .list.cards td { border: 0; padding: 3px 0 3px 40%; position: relative; text-align: left; min-height: 22px; }
  .list.cards td[data-label]::before { content: attr(data-label); color: var(--muted); font-size: 12px; position: absolute; left: 0; top: 4px; width: 38%; }
  .list.cards td.main { padding-left: 0; font-size: 15px; padding-bottom: 6px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
  .list.cards td.main::before { display: none; }
  .list.cards td.dup { display: none; }
  .list.week-desktop { display: none; }
  .week-mobile { display: block; }
  .span2 { grid-column: auto; }
  .cols { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .list { display: block; overflow-x: auto; }
  .landing .features { grid-template-columns: 1fr; }
  .landing h1 { font-size: 28px; }
}