/* Plataforma Docente · identidad Citlallihg (morado #2D235E, rojo #BE123A, rosa #FFB3C4, Inter).
   Escritorio: barra lateral morada. Móvil: barra inferior de pestañas. */
:root {
  --brand: #2D235E; --brand-2: #4A4080; --accent: #BE123A; --pink: #FFB3C4; --lav: #CFCAEB;
  --bg: #F4F2FB; --surface: #FFFFFF; --ink: #1E1A33; --muted: #4F4A63; --rule: #DDE3EC;
  --good: #1F7A4D; --warn: #B45309; --crit: #BE123A;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #120F22; --surface: #1C1833; --ink: #EEEBFA; --muted: #B4AECB; --rule: #332D52;
    --accent: #FF6B8A; --good: #5BC48C; --warn: #F2A54A; --crit: #FF6B8A; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font: 14px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }
.num { font-variant-numeric: tabular-nums; }

.shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: 100%; }
.side { background: var(--brand); color: #fff; display: flex; flex-direction: column; gap: 4px; padding: 20px 14px; position: sticky; top: 0; height: 100vh; }
.side .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; padding: 4px 8px 20px; font-weight: 800; letter-spacing: -0.01em; }
.side .brand small { font-weight: 600; color: var(--pink); letter-spacing: 0.12em; text-transform: uppercase; font-size: 10.5px; }
.side a[data-ruta] { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; text-decoration: none; color: var(--lav); font-weight: 600; }
.side a[data-ruta]:hover { background: var(--brand-2); color: #fff; }
.side a[aria-current="page"] { background: #fff; color: var(--brand); }
.side svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

.main { min-width: 0; padding: 28px 36px 48px; display: flex; flex-direction: column; gap: 20px; }
.top { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.eyebrow { margin: 0; font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
h1 { margin: 2px 0 0; font-size: 30px; line-height: 1.1; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); }
h2 { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
h3 { margin: 0; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.acciones { display: flex; gap: 8px; flex-wrap: wrap; }
.btn { border: 1px solid var(--rule); background: var(--surface); border-radius: 999px; padding: 9px 16px; font-weight: 600; cursor: pointer; min-height: 40px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 12px; min-height: 32px; font-size: 13px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.icon { border: 0; background: transparent; font-size: 26px; line-height: 1; cursor: pointer; padding: 4px 10px; border-radius: 8px; color: var(--muted); }
.aviso { margin: 0; padding: 10px 14px; border-radius: 10px; background: var(--surface); border: 1px solid var(--rule); font-weight: 500; }
.aviso.error { border-color: var(--crit); color: var(--crit); }
#vista { display: flex; flex-direction: column; gap: 20px; outline: none; }
.vacio { color: var(--muted); padding: 24px; text-align: center; }

.card { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px 20px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card.dark { background: var(--brand); border-color: var(--brand); color: #fff; }
.card.dark h3 { color: var(--pink); }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-2, .grid-3 { align-items: start; }
.solo-movil { display: none; }
.rapidas select { border: 1px solid var(--rule); background: var(--surface); border-radius: 10px; padding: 6px 10px; min-height: 32px; max-width: 100%; }

.cap-num { font-size: 40px; font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
.cap-num small { font-size: 15px; font-weight: 600; color: var(--lav); letter-spacing: 0; }
.meter { height: 14px; border-radius: 999px; background: rgba(255,255,255,.14); overflow: hidden; display: flex; }
.meter i { display: block; height: 100%; }
.meter .c { background: var(--pink); }
.meter .p { background: repeating-linear-gradient(45deg, var(--lav), var(--lav) 4px, transparent 4px, transparent 8px); opacity: .8; }
.card.dark .nota { color: var(--lav); }
.nota { font-size: 12.5px; color: var(--muted); margin: 0; }
.alerta { color: var(--pink); font-weight: 600; }

.etapas { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.etapa { border: 1px solid var(--rule); border-radius: 10px; padding: 10px 12px; display: flex; flex-direction: column; }
.etapa b { font-size: 24px; font-weight: 800; }
.etapa span { font-size: 12px; color: var(--muted); }

.lista { display: flex; flex-direction: column; }
.fila { display: grid; grid-template-columns: 84px minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 12px 4px; border-top: 1px solid var(--rule); cursor: pointer; background: none; border-left: 0; border-right: 0; border-bottom: 0; text-align: left; width: 100%; }
.fila:first-child { border-top: 0; }
.fila:hover { background: var(--bg); }
.fila .fecha { font-weight: 700; }
.fila .fecha.vencido { color: var(--crit); }
.fila .inst { font-weight: 700; display: block; }
.fila .sub { color: var(--muted); font-size: 13px; display: block; overflow-wrap: anywhere; }

.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; border: 1px solid var(--rule); color: var(--muted); }
.pill.s-contactado { color: var(--brand); border-color: var(--lav); }
@media (prefers-color-scheme: dark) { .pill.s-contactado { color: var(--lav); } }
.pill.s-respondio, .pill.s-reunion, .pill.s-propuesta-enviada { color: var(--warn); border-color: currentColor; }
.pill.s-aceptado { color: var(--good); border-color: currentColor; }
.pill.s-en-pausa, .pill.s-descartado { opacity: .7; }
.frente { font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

.filtros { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filtros input, .filtros select, .form input, .form select, .form textarea { border: 1px solid var(--rule); background: var(--surface); border-radius: 10px; padding: 8px 12px; min-height: 40px; min-width: 0; }
.filtros input { flex: 1 1 200px; }

.tabla-box { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 700; padding: 10px 14px; border-bottom: 1px solid var(--rule); white-space: nowrap; }
td { padding: 10px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; }
tbody tr.click:hover td { background: var(--bg); }

dialog { border: 0; padding: 0; border-radius: 18px; width: min(720px, calc(100vw - 32px)); max-height: calc(100vh - 48px); background: var(--surface); color: var(--ink); box-shadow: 0 24px 60px rgba(20, 14, 50, .35); }
dialog::backdrop { background: rgba(18, 14, 40, .55); }
.panel-cab { display: flex; justify-content: space-between; align-items: flex-start; padding: 20px 22px 8px; position: sticky; top: 0; background: var(--surface); z-index: 1; }
#panel-cuerpo { padding: 8px 22px 22px; display: flex; flex-direction: column; gap: 18px; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; color: var(--muted); }
.form .full { grid-column: 1 / -1; }
.form textarea { min-height: 80px; resize: vertical; }
.form .botones { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; }
.rapidas { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.timeline { display: flex; flex-direction: column; gap: 8px; margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 10px; font-size: 13px; }
.timeline .t { font-weight: 700; color: var(--brand); }
@media (prefers-color-scheme: dark) { .timeline .t { color: var(--lav); } }
pre.plantilla { white-space: pre-wrap; background: var(--bg); border-radius: 10px; padding: 12px 14px; margin: 0; font: 13px/1.5 var(--font); }

@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .etapas { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: auto 0 0 0; top: auto; height: auto; flex-direction: row; justify-content: space-around; padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px)); z-index: 10; gap: 0; }
  .side .brand { display: none; }
  .side a[data-ruta] { flex-direction: column; gap: 2px; font-size: 10.5px; padding: 6px 4px; flex: 1; text-align: center; }
  .side a[aria-current="page"] { background: transparent; color: #fff; }
  .side a[aria-current="page"] svg { stroke: var(--pink); }
  .main { padding: calc(16px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 96px max(16px, env(safe-area-inset-left, 0px)); gap: 16px; }
  h1 { font-size: 24px; }
  .top .acciones { width: 100%; }
  .top .acciones .btn { flex: 1; }
  .form { grid-template-columns: 1fr; }
  .fila { grid-template-columns: 64px minmax(0, 1fr); }
  .fila .pill { grid-column: 2; justify-self: start; }
  dialog { width: 100vw; max-width: 100vw; max-height: 92vh; margin: auto 0 0; border-radius: 18px 18px 0 0; }
  .ocultar-movil { display: none; }
  .solo-movil { display: inline; }
  .filtros select { flex: 1 1 140px; }
  td, th { padding: 10px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }