:root {
  --purple: #7c2d9e;
  --purple-dark: #5b1f74;
  --purple-light: #f3e8f8;
  --pink: #ba3995;
  --bg: #f6f5f8;
  --ink: #2a2330;
  --muted: #746e7d;
  --border: #e2dbe8;
  --green: #1f9d55;
  --red: #d1435b;
  --amber: #b8860b;
  --white: #ffffff;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.topbar .brand { font-weight: 800; color: var(--purple); font-size: 1.15rem; }

.topbar nav { display: flex; gap: 18px; align-items: center; }
.topbar nav a { color: var(--ink); font-weight: 600; font-size: 0.92rem; }
.topbar nav a.active { color: var(--purple); }
.topbar .user-chip { font-size: 0.85rem; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.badge-role {
  background: var(--purple-light);
  color: var(--purple-dark);
  padding: 2px 9px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.container { max-width: 1180px; margin: 0 auto; padding: 28px 24px 60px; }
.container.narrow { max-width: 460px; }

h1 { font-size: 1.6rem; margin: 0 0 4px; color: var(--purple-dark); }
h2 { font-size: 1.2rem; color: var(--purple-dark); }
.subtitle { color: var(--muted); margin: 0 0 24px; }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink); margin-bottom: 5px; }
.field { margin-bottom: 16px; }
.hint { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }

input[type=text], input[type=email], input[type=password], input[type=date], input[type=url],
select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--white);
  color: var(--ink);
}
textarea { resize: vertical; min-height: 54px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--purple); outline-offset: 0; border-color: var(--purple); }

.checkbox-list { display: flex; flex-wrap: wrap; gap: 10px 18px; }
.checkbox-list label { display: flex; align-items: center; gap: 6px; font-weight: 500; font-size: 0.88rem; }

.btn {
  display: inline-block;
  background: var(--purple);
  color: var(--white);
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn:hover { background: var(--purple-dark); text-decoration: none; }
.btn.secondary { background: var(--white); color: var(--purple); border: 1px solid var(--purple); }
.btn.secondary:hover { background: var(--purple-light); }
.btn.danger { background: var(--red); }
.btn.small { padding: 5px 11px; font-size: 0.78rem; }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }

.actions-row { display: flex; gap: 10px; align-items: center; margin-top: 20px; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: #faf8fb; }

.tag {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
}
.tag.presencial { background: #e8f6ec; color: var(--green); }
.tag.virtual-sincronica { background: #eaf1fc; color: #2563eb; }
.tag.virtual-asincronica { background: #fdf1e3; color: var(--amber); }
.tag.pendiente { background: #fdf1e3; color: var(--amber); }
.tag.aprobada { background: #e8f6ec; color: var(--green); }
.tag.rechazada { background: #fde9ec; color: var(--red); }

.flash { padding: 11px 14px; border-radius: 8px; margin-bottom: 18px; font-size: 0.88rem; font-weight: 600; }
.flash.error { background: #fde9ec; color: var(--red); }
.flash.success { background: #e8f6ec; color: var(--green); }
.flash.info { background: #eaf1fc; color: #2563eb; }

.clase-row { border: 1px solid var(--border); border-radius: 9px; padding: 14px; margin-bottom: 12px; background: #fcfbfd; position: relative; }
.clase-row .clase-num { font-weight: 800; color: var(--purple); margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; }

.filters-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 20px; }
.filters-bar .field { margin-bottom: 0; min-width: 160px; }

.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); }

.aulas-board { display: grid; grid-template-columns: 260px 1fr; gap: 20px; align-items: start; }
.pool { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; min-height: 200px; }
.pool h3 { margin-top: 0; font-size: 0.95rem; }
.aulas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.aula-card { background: var(--white); border: 1px dashed var(--border); border-radius: 9px; padding: 12px; min-height: 90px; }
.aula-card.drag-over { border-color: var(--purple); background: var(--purple-light); }
.aula-card h4 { margin: 0 0 8px; font-size: 0.85rem; color: var(--purple-dark); }
.clase-chip {
  background: var(--purple-light);
  border: 1px solid var(--purple);
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 0.8rem;
  cursor: grab;
  margin-bottom: 8px;
}
.clase-chip strong { display: block; font-size: 0.82rem; }
.clase-chip .muted { color: var(--muted); font-size: 0.72rem; }
.unassign-btn { float: right; border: none; background: none; color: var(--muted); cursor: pointer; font-size: 0.9rem; }

.bloqueo-chip {
  background: #fdf1e3;
  border: 1px solid var(--amber);
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 0.8rem;
  margin-bottom: 8px;
}
.bloqueo-chip strong { display: block; font-size: 0.82rem; color: #8a6100; }
.bloqueo-chip .muted { color: var(--muted); font-size: 0.72rem; }

@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
  .container { max-width: 100%; padding: 0; }
  .card { border: none; padding: 0; }
}

@media (max-width: 780px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .aulas-board { grid-template-columns: 1fr; }
}