/* ============================================================
   Panel del estudiante — misma identidad visual que los paneles
   de administrador y profesor (ver admin-ui.css para los tokens).
   Se carga DESPUÉS de sim.css y admin-ui.css.
   ============================================================ */

/* ---------- Estructura ---------- */
.ad-body .sim-main { max-width: none; margin: 0; padding: 4px 0 0; }
.ad-body .sim-view { gap: 20px; }
.ad-nav button {
  position: relative; display: flex; align-items: center; gap: 12px; width: 100%; padding: 9px 12px; margin-bottom: 2px;
  border: 0; border-radius: 11px; background: transparent; color: var(--ad-muted); font: 600 .88rem var(--font-body);
  text-align: left; cursor: pointer; transition: background .15s, color .15s;
}
.ad-nav button:hover { background: var(--ad-surface-2); color: var(--ad-text); }
.ad-nav button.is-active {
  color: var(--ad-text); background: linear-gradient(90deg, rgba(255, 122, 48, .20), rgba(139, 124, 255, .10));
  box-shadow: inset 0 0 0 1px rgba(255, 122, 48, .30);
}
.ad-nav button.is-active .ic { color: var(--ad-accent-2); }
.ad-nav button.is-active::before { content: ""; position: absolute; left: -14px; top: 9px; bottom: 9px; width: 3px; border-radius: 0 4px 4px 0; background: var(--ad-accent); box-shadow: 0 0 14px var(--ad-accent); }
.ad-nav button[hidden] { display: none !important; }
.ad-topbar__hello { font-size: .98rem; color: var(--ad-muted); }
.ad-topbar__hello b { color: var(--ad-text); font-family: var(--font-display); font-weight: 600; }
.ad-body.is-obscured .ad-sidebar, .ad-body.is-obscured .ad-topbar, .ad-body.is-obscured .ad-main { visibility: hidden; }
.ad-body .sim-privacy { background: var(--ad-bg); color: var(--ad-text); }

/* ---------- Tarjetas ---------- */
.ad-body .sim-card {
  background: var(--ad-surface); border: 1px solid var(--ad-border); border-radius: var(--ad-r);
  box-shadow: var(--ad-shadow); padding: 26px 28px; color: var(--ad-text);
}
.ad-body .sim-card h1 { font-size: 1.5rem; margin-bottom: 8px; }
.ad-body .sim-card h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 14px; }
.ad-body .sim-card > p.sim-muted { font-size: .9rem; line-height: 1.65; max-width: 780px; }
.sim-card__head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--ad-border); }
.sim-card__head h2 { margin: 0 0 2px !important; }
.sim-card__head p { margin: 0; font-size: .86rem !important; }
.sim-card__ico { display: inline-grid; place-items: center; width: 40px; height: 40px; flex-shrink: 0; border-radius: 12px; background: rgba(255, 122, 48, .15); color: var(--ad-accent-2); }
.sim-card__ico--sm { width: 30px; height: 30px; border-radius: 9px; }
.sim-card__ico--sm .ic { width: 16px; height: 16px; }
.ad-body .sim-error { color: var(--ad-bad); }
.ad-body .sim-alert { background: var(--ad-warn-bg); color: var(--ad-warn); border-radius: 12px; }
.ad-body .sim-insight { background: var(--ad-surface-2); border: 1px solid var(--ad-border); color: var(--ad-muted); border-radius: 12px; }
.ad-body .sim-expl { background: var(--ad-surface-2); border: 1px solid var(--ad-border); }
.ad-body .sim-card > h1 + p + .sim-error:empty { display: none; }

/* ---------- Migas y navegación por universidad / bloque ---------- */
.ad-body .sim-crumbs__link { color: var(--ad-accent-2); }
.ad-body .sim-crumbs__link:hover { background: var(--ad-surface-2); }
.ad-body .sim-crumbs__here { color: var(--ad-text); }
.ad-body .sim-tiles { gap: 16px; }
.ad-body .sim-tile {
  background: var(--ad-surface-2); border: 1px solid var(--ad-border); border-top: 1px solid var(--ad-border);
  border-radius: 16px; transition: border-color .18s, transform .18s, background .18s;
}
.ad-body .sim-tile:hover, .ad-body .sim-tile:focus-visible { border-color: var(--ad-accent); background: var(--ad-surface-3); box-shadow: none; transform: translateY(-2px); }
.ad-body .sim-tile--cat { border-top-color: var(--ad-border); }
.ad-body .sim-tile strong { color: var(--ad-text); }
.ad-body .sim-tile::after { color: var(--ad-faint); }
.ad-body .sim-tile__icon { background: rgba(255, 122, 48, .15); border: 0; border-radius: 12px; color: var(--ad-accent-2); width: 44px; height: 44px; }
.ad-body .sim-tile__logo { background: #fff; padding: 6px 10px; border-radius: 10px; height: 46px; box-sizing: border-box; }
.ad-body .sim-item { background: var(--ad-surface-2); border: 1px solid var(--ad-border); border-radius: 16px; }
.ad-body .sim-item:hover { border-color: var(--ad-border-strong); }
.ad-body .sim-item h3 { color: var(--ad-text); }
.ad-body .sim-item__logo { background: #fff; padding: 5px 10px; border-radius: 9px; box-sizing: content-box; height: 34px; }
.sim-item__title { display: flex; align-items: center; gap: 8px; }
.sim-item__title .ic { color: var(--ad-accent-2); width: 18px; height: 18px; }
.ad-body .sim-item--resource { background: var(--ad-surface); }
.ad-body .sim-resources { background: var(--ad-surface-2); border: 1px solid var(--ad-border); border-radius: 16px; }
.ad-body .sim-resources__title { color: var(--ad-text); }
.ad-body .sim-task-desc, .ad-body .sim-task-sub { background: var(--ad-surface-2); border-color: var(--ad-border); }
.ad-body .sim-task-sub a, .ad-body .sim-topic a { color: var(--ad-accent-2); }
.ad-body .sim-task-form { border-top-color: var(--ad-border); }
.ad-body .sim-task-detail h2, .ad-body .sim-task-grade { color: var(--ad-text); }
.ad-body .sim-live-rules { background: var(--ad-surface-2); border: 1px solid var(--ad-border); border-radius: 16px; }
.ad-body .sim-live-rules strong { color: var(--ad-text); }

/* ---------- Pastillas de estado ---------- */
.ad-body .sim-tag { background: var(--ad-info-bg); color: var(--ad-info); font-size: .74rem; padding: 5px 12px; }
.ad-body .sim-tag.is-ok { background: var(--ad-ok-bg); color: var(--ad-ok); }
.ad-body .sim-tag.is-warn { background: var(--ad-warn-bg); color: var(--ad-warn); }
.ad-body .sim-tag.is-bad { background: var(--ad-bad-bg); color: var(--ad-bad); }

/* ---------- Tablas ---------- */
.ad-body .sim-table { border-collapse: separate; border-spacing: 0; font-size: .86rem; min-width: 520px; }
.ad-body .sim-table th { background: var(--ad-surface-2); color: var(--ad-faint); font-size: .68rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; padding: 10px 14px; border-bottom: 1px solid var(--ad-border); white-space: nowrap; }
.ad-body .sim-table th:first-child { border-radius: 11px 0 0 11px; }
.ad-body .sim-table th:last-child { border-radius: 0 11px 11px 0; }
.ad-body .sim-table td { padding: 13px 14px; border-bottom: 1px solid var(--ad-border); color: var(--ad-muted); vertical-align: middle; }
.ad-body .sim-table tbody tr:hover { background: var(--ad-surface-2); }
.ad-body .sim-table tbody tr:last-child td { border-bottom: 0; }
.ad-body .sim-td-strong { color: var(--ad-text) !important; font-weight: 600; }

/* ---------- Examen ---------- */
.ad-body .sim-bar { top: 74px; background: var(--ad-surface); border: 1px solid var(--ad-border); border-radius: 16px; box-shadow: var(--ad-shadow); }
.ad-body .sim-bar__item strong { color: var(--ad-text); }
.ad-body #timer.is-low { color: var(--ad-bad); }
.ad-body .sim-bar__logo { background: #fff; padding: 3px 8px; border-radius: 8px; box-sizing: content-box; }
.ad-body .sim-section { color: var(--ad-accent-2); }
.ad-body .sim-q { color: var(--ad-text); }
.ad-body .sim-opt { background: var(--ad-surface-2); border: 1px solid var(--ad-border-strong); border-radius: 14px; color: var(--ad-text); font-family: var(--font-body); }
.ad-body .sim-opt:hover { border-color: var(--ad-accent); }
.ad-body .sim-opt.is-selected { border-color: var(--ad-accent); background: rgba(255, 122, 48, .12); }
.ad-body .sim-opt__key { background: var(--ad-surface); border: 1px solid var(--ad-border-strong); color: var(--ad-text); }
.ad-body .sim-opt.is-selected .sim-opt__key { background: var(--ad-accent); border-color: var(--ad-accent); color: var(--ad-accent-ink); }
.ad-body .sim-opt.is-correct { border-color: var(--ad-ok); background: var(--ad-ok-bg); }
.ad-body .sim-opt.is-correct .sim-opt__key { background: var(--ad-ok); border-color: var(--ad-ok); color: #04130c; }
.ad-body .sim-opt.is-wrong { border-color: var(--ad-bad); background: var(--ad-bad-bg); }
.ad-body .sim-opt.is-wrong .sim-opt__key { background: var(--ad-bad); border-color: var(--ad-bad); color: #fff; }
.ad-body .sim-map { position: sticky; top: 170px; }
.ad-body .sim-map__btn { background: var(--ad-surface-2); border: 1px solid var(--ad-border-strong); color: var(--ad-muted); border-radius: 9px; }
.ad-body .sim-map__btn.is-answered { background: var(--ad-violet); border-color: var(--ad-violet); color: #fff; }
.ad-body .sim-map__btn.is-flagged { box-shadow: inset 0 -4px 0 var(--ad-accent); }
.ad-body .sim-map__btn.is-current { outline: 2px solid var(--ad-accent); }
.ad-body .sim-rev.is-ok { border-left: 4px solid var(--ad-ok); }
.ad-body .sim-rev.is-bad { border-left: 4px solid var(--ad-bad); }
.ad-body .sim-review-title { color: var(--ad-text); font-size: 1.2rem; }
.ad-body .sim-modal { background: rgba(3, 7, 18, .65); backdrop-filter: blur(4px); }
.ad-body .sim-modal__card { background: var(--ad-surface); border: 1px solid var(--ad-border-strong); border-radius: 20px; box-shadow: var(--ad-shadow-pop); color: var(--ad-text); }
.ad-body .sim-modal__card h3 { color: var(--ad-text); }

/* ---------- Resultado y gráficos ---------- */
.ad-body .sim-score__value { color: var(--ad-text); }
.ad-body .sim-block__title { color: var(--ad-text); font-size: 1.1rem; }
.ad-body .sim-h3 { color: var(--ad-text); font-size: .98rem; }
.ad-body .sim-gauge__num, .ad-body .sim-pie__num, .ad-body .sim-line__val { fill: var(--ad-text); }
.ad-body .sim-gauge__sub, .ad-body .sim-pie__sub, .ad-body .sim-line__axis { fill: var(--ad-faint); }
.ad-body .sim-sec { color: var(--ad-muted); }
.ad-body .sim-sec__bar { background: var(--ad-surface-3); }
.ad-body .sim-sec__bar span { background: linear-gradient(90deg, var(--ad-accent-2), var(--ad-violet)); }
.ad-body .sim-sec__val { color: var(--ad-text); }
.ad-body .sim-stat { background: var(--ad-surface-2); border: 1px solid var(--ad-border); border-radius: 14px; }
.ad-body .sim-stat strong { color: var(--ad-text); }
.ad-body .sim-prog__filter select { background-color: var(--ad-surface-2); }
.ad-body .sim-prog__head { margin-bottom: 18px; }

/* ---------- Mi progreso: calificaciones ---------- */
.sim-grades { display: flex; flex-direction: column; gap: 12px; }
.sim-grade { border: 1px solid var(--ad-border); border-radius: 16px; background: var(--ad-surface-2); overflow: hidden; }
.sim-grade[open] { border-color: var(--ad-border-strong); }
.sim-grade__sum { list-style: none; display: flex; align-items: center; gap: 14px; padding: 14px 18px; cursor: pointer; }
.sim-grade__sum::-webkit-details-marker { display: none; }
.sim-grade__sum:hover { background: var(--ad-surface-3); }
.sim-grade__info { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.3; }
.sim-grade__info b { color: var(--ad-text); font-size: .98rem; font-family: var(--font-display); font-weight: 600; }
.sim-grade__info small { font-size: .8rem; }
.sim-grade__num { font: 700 1.5rem var(--font-display); min-width: 74px; text-align: right; color: var(--ad-muted); }
.sim-grade__num small { font-size: .78rem; color: var(--ad-faint); font-weight: 600; }
.sim-grade__chev { color: var(--ad-faint); transition: transform .2s; }
.sim-grade[open] .sim-grade__chev { transform: rotate(180deg); }
.sim-grade__body { padding: 4px 14px 16px; border-top: 1px solid var(--ad-border); background: var(--ad-surface); }
.sim-grade__pill { font-weight: 700; }

/* ---------- Mi progreso: tareas ---------- */
.sim-pbar { height: 9px; border-radius: 99px; background: var(--ad-surface-3); overflow: hidden; }
.sim-pbar span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--ad-ok), var(--ad-cyan)); transition: width .9s ease-out; }
.sim-tp { display: flex; flex-direction: column; gap: 10px; padding: 16px 18px; border: 1px solid var(--ad-border); border-radius: 16px; background: var(--ad-surface-2); }
.sim-tp--all { margin-bottom: 14px; background: linear-gradient(120deg, rgba(139, 124, 255, .16), rgba(255, 122, 48, .10) 60%, transparent), var(--ad-surface-2); }
.sim-tps { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.sim-tp__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.sim-tp__head b { color: var(--ad-text); font-family: var(--font-display); font-weight: 600; }
.sim-tp__name { display: inline-flex; align-items: center; gap: 10px; }
.sim-tp__pct { font-size: .84rem; font-weight: 700; color: var(--ad-muted); }
.sim-tp__next { font-size: .8rem; margin: 0; }
.sim-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.sim-chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px; border-radius: 99px; font-size: .76rem; font-weight: 600; background: var(--ad-surface-3); color: var(--ad-muted); }
.sim-chip b { font-weight: 800; }
.sim-chip.is-ok { background: var(--ad-ok-bg); color: var(--ad-ok); }
.sim-chip.is-info { background: var(--ad-info-bg); color: var(--ad-info); }
.sim-chip.is-warn { background: var(--ad-warn-bg); color: var(--ad-warn); }
.sim-chip.is-bad { background: var(--ad-bad-bg); color: var(--ad-bad); }

/* ---------- Mi progreso: simuladores ---------- */
.sim-delta-pill { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: .76rem; font-weight: 700; background: var(--ad-surface-3); color: var(--ad-muted); }
.sim-delta-pill.is-up { background: var(--ad-ok-bg); color: var(--ad-ok); }
.sim-delta-pill.is-down { background: var(--ad-bad-bg); color: var(--ad-bad); }
#simOverview { margin-bottom: 26px; }
#progBody { border-top: 1px solid var(--ad-border); padding-top: 22px; }
.ad-body .sim-table .btn { white-space: nowrap; }

@media (max-width: 960px) {
  .ad-body .sim-card { padding: 20px 16px; }
  .ad-body .sim-bar { top: 70px; }
  .ad-body .sim-map { position: static; }
  .ad-nav button.is-active::before { left: -14px; }
  .sim-tps { grid-template-columns: 1fr; }
  .sim-grade__sum { flex-wrap: wrap; }
  .sim-grade__sum .sim-tag { order: 5; }
  .ad-topbar__hello { margin-left: 4px; }
}
.ad-body .sim-view { padding-block: 0; }
#simOverview { display: flex; flex-direction: column; gap: 12px; }
.ad-body .sim-table td:not(.sim-td-strong) { white-space: nowrap; }