/* Calendario · semana en cristal oscuro con fichas de color (como en el vídeo) y mes con barras por tipo de tarea */
:root { --cal-repaso: #2E6F9E; --cal-errores: #B04848; --cal-test: #8A7A1E; --cal-nuevo: #2E9E6A; --cal-sim: #6B5A12; --cal-examen: #17201C; }

.semcal { position: relative; border-radius: 26px; padding: 22px 22px 18px; margin-bottom: 18px; color: #fff; overflow: hidden;
  background: radial-gradient(120% 140% at 0% 0%, #1d2a24 0%, #0f1613 55%, #0b100e 100%);
  box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 18px 50px -24px rgba(0,0,0,.55); }
.semcal::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0) 40%); }
.semcal-cab { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 16px; position: relative; z-index: 1; }
.semcal-cab .eyebrow { color: #C9F27A; letter-spacing: .22em; font: 700 11px/1 var(--f-mono, "JetBrains Mono", monospace); text-transform: uppercase; }
.semcal-cab h2 { margin: 6px 0 0; font: 400 34px/1 var(--f-disp, "Anton", Impact, sans-serif); letter-spacing: .5px; color: #fff; }
.semcal-cab h2 em { font-style: normal; color: #C9F27A; }
.semcal-nav { display: flex; gap: 8px; }
.semcal-nav button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.06); color: #fff; font-size: 15px; cursor: pointer; }
.semcal-nav button:hover { background: rgba(255,255,255,.14); }
.semcal-cols { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; position: relative; z-index: 1; }
.semcal-col { min-height: 260px; border-radius: 18px; padding: 10px 7px 8px; text-align: left; cursor: pointer;
  background: rgba(255,255,255,.06); border: 1.5px solid rgba(255,255,255,.12); display: flex; flex-direction: column; gap: 6px;
  color: #fff; font: inherit; transition: transform .15s ease, border-color .15s ease, background .15s ease; }
.semcal-col:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.26); }
.semcal-col.hoy { border-color: #C9F27A; background: rgba(201,242,122,.08); }
.semcal-col.sel { box-shadow: 0 0 0 2px rgba(201,242,122,.55); }
.semcal-col.pasado { opacity: .8; background: rgba(255,255,255,.035); }
.semcal-col.descanso { background: rgba(255,255,255,.03); }
.semcal-dia { text-align: center; line-height: 1; }
.semcal-dia b { display: block; font: 400 30px/1 var(--f-disp, "Anton", Impact, sans-serif); }
.semcal-dia span { display: block; margin-top: 4px; font: 600 11px/1 var(--f-mono, "JetBrains Mono", monospace); color: rgba(255,255,255,.62); letter-spacing: .06em; }
.semcal-dia small { display: block; margin-top: 5px; font: 700 10.5px/1 var(--f-cond, "Barlow Condensed", sans-serif); letter-spacing: .12em; color: #C9F27A; text-transform: uppercase; }
.semcal-ficha { border-radius: 11px; padding: 7px 8px; color: #fff; font: 700 12.5px/1.15 var(--f-body, Inter, sans-serif); box-shadow: 0 6px 14px -8px rgba(0,0,0,.6); }
.semcal-ficha i { display: block; font-style: normal; font: 600 10.5px/1 var(--f-mono, "JetBrains Mono", monospace); opacity: .82; margin-top: 4px; }
.semcal-ficha.k-repaso { background: var(--cal-repaso); }
.semcal-ficha.k-errores { background: var(--cal-errores); }
.semcal-ficha.k-test { background: var(--cal-test); }
.semcal-ficha.k-sim { background: var(--cal-sim); }
.semcal-ficha.k-nuevo { background: var(--cal-nuevo); }
.semcal-ficha.k-examen { background: #fff; color: #111; }
.semcal-ficha.k-evento { background: rgba(255,255,255,.14); border: 1px dashed rgba(255,255,255,.35); }
.semcal-nada { margin-top: auto; text-align: center; font: 700 11px/1.2 var(--f-cond, "Barlow Condensed", sans-serif); letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.7); padding-bottom: 6px; }
.semcal-leyenda { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 14px; position: relative; z-index: 1; font: 600 12px var(--f-body, Inter, sans-serif); color: rgba(255,255,255,.75); }
.semcal-leyenda span { display: inline-flex; align-items: center; gap: 6px; }
.semcal-leyenda i { width: 12px; height: 12px; border-radius: 4px; display: inline-block; }

/* mes: barras de color por tipo de tarea del plan */
.cal .planbar { display: flex; gap: 3px; margin-top: auto; }
.cal .planbar i { flex: 1; height: 5px; border-radius: 3px; }
.cal .planbar .k-repaso { background: var(--cal-repaso); } .cal .planbar .k-errores { background: var(--cal-errores); }
.cal .planbar .k-test { background: var(--cal-test); } .cal .planbar .k-sim { background: var(--cal-sim); }
.cal .planbar .k-nuevo { background: var(--cal-nuevo); } .cal .planbar .k-examen { background: #111; }
.cal .calplan { display: none; }

@media (max-width: 900px) {
  #calGrid { grid-template-columns: 1fr !important; }
  .semcal { padding: 18px 14px 14px; border-radius: 22px; margin-left: -2px; margin-right: -2px; }
  .semcal-cab h2 { font-size: 28px; }
  .semcal-cols { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 10px; padding-bottom: 6px; scrollbar-width: none; }
  .semcal-cols::-webkit-scrollbar { display: none; }
  .semcal-col { flex: 0 0 42%; min-height: 230px; scroll-snap-align: start; }
  .cal { gap: 4px; }
  .cal button.d { min-height: 58px; padding: 5px 5px; border-radius: 9px; }
  .cal .dn { font-size: 17px; }
  .cal .dm { font-size: 9.5px; letter-spacing: .2px; }
}