.sim-body { background: var(--bg-alt); min-height: 100vh; }
[hidden] { display: none !important; }

/* ---------- Login ---------- */
.sim-login { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; padding: 32px 20px; }
.sim-login__card { width: 100%; max-width: 420px; }
.sim-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 32px; }
.sim-card h1 { font-family: var(--font-display); font-size: 1.7rem; color: var(--navy-900); margin-bottom: 8px; }
.sim-card h2 { font-family: var(--font-display); font-size: 1.25rem; color: var(--navy-900); margin-bottom: 14px; }
.sim-muted { color: var(--text-soft); }
.sim-small { font-size: 0.85rem; margin-top: 18px; }
.sim-card form { display: flex; flex-direction: column; gap: 16px; margin-top: 22px; }
.sim-error { color: #c23b1f; font-size: 0.88rem; min-height: 1.2em; }
.sim-alert { background: #fff1e3; color: var(--orange-600); border-radius: var(--radius-md); padding: 12px 16px; margin-top: 16px; font-size: 0.9rem; font-weight: 600; }

/* ---------- Estructura ---------- */
.sim-top { background: var(--white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.sim-top__inner { max-width: 1100px; margin: 0 auto; padding: 8px 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sim-top__right { display: flex; align-items: center; gap: 14px; }
.sim-top__user { font-size: 0.9rem; color: var(--text-soft); }
.sim-main { max-width: 1100px; margin: 0 auto; padding: 32px 20px 80px; }
.sim-view { display: flex; flex-direction: column; gap: 24px; }
.sim-facts { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 18px 0 22px; color: var(--text-soft); }
.sim-facts strong { color: var(--navy-900); }

/* ---------- Tabla historial ---------- */
.sim-table-wrap { overflow-x: auto; }
.sim-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.sim-table th { text-align: left; color: var(--text-faint); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.sim-table td { padding: 10px; border-bottom: 1px solid var(--border); color: var(--text-soft); }

/* ---------- Examen ---------- */
.sim-bar { display: flex; align-items: center; gap: 24px; background: var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 12px 20px; position: sticky; top: 74px; z-index: 40; }
.sim-bar__item { display: flex; flex-direction: column; font-size: 0.8rem; }
.sim-bar__item strong { font-family: var(--font-display); font-size: 1.3rem; color: var(--navy-900); }
.sim-bar .btn { margin-left: auto; }
#timer.is-low { color: #c23b1f; }
.sim-exam { display: grid; grid-template-columns: 1fr 260px; gap: 24px; align-items: start; }
.sim-section { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase; color: var(--orange-600); margin-bottom: 10px; }
.sim-q { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; color: var(--navy-900); line-height: 1.4; margin-bottom: 20px; }
.sim-options { display: flex; flex-direction: column; gap: 10px; }
.sim-opt { display: flex; align-items: flex-start; gap: 14px; width: 100%; text-align: left; padding: 14px 16px; background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); cursor: pointer; transition: border-color 0.2s var(--ease), background 0.2s var(--ease); color: var(--text); font-size: 1rem; }
.sim-opt:hover { border-color: var(--orange-400); }
.sim-opt.is-selected { border-color: var(--orange-500); background: var(--orange-50); }
.sim-opt__key { flex-shrink: 0; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--white); border: 1.5px solid var(--border); font-weight: 700; font-size: 0.82rem; color: var(--navy-800); }
.sim-opt.is-selected .sim-opt__key { background: var(--orange-500); border-color: var(--orange-500); color: var(--white); }
.sim-opt.is-static { cursor: default; }
.sim-opt.is-correct { border-color: #1a7f4a; background: #e8f6ee; }
.sim-opt.is-correct .sim-opt__key { background: #1a7f4a; border-color: #1a7f4a; color: var(--white); }
.sim-opt.is-wrong { border-color: #c23b1f; background: #fdeeea; }
.sim-opt.is-wrong .sim-opt__key { background: #c23b1f; border-color: #c23b1f; color: var(--white); }
.sim-nav { display: flex; gap: 10px; justify-content: space-between; margin-top: 24px; flex-wrap: wrap; }
.sim-nav .btn:disabled { opacity: 0.4; cursor: not-allowed; }
.sim-map { position: sticky; top: 160px; }
.sim-map__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(38px, 1fr)); gap: 6px; margin-top: 10px; }
.sim-map__btn { height: 36px; border-radius: 8px; border: 1.5px solid var(--border); background: var(--white); font-size: 0.82rem; font-weight: 600; color: var(--text-soft); cursor: pointer; }
.sim-map__btn.is-answered { background: var(--navy-800); border-color: var(--navy-800); color: var(--white); }
.sim-map__btn.is-flagged { box-shadow: inset 0 -4px 0 var(--orange-500); }
.sim-map__btn.is-current { outline: 2px solid var(--orange-500); outline-offset: 1px; }

/* ---------- Resultado ---------- */
.sim-score { text-align: center; }
.sim-score__value { font-family: var(--font-display); font-size: 4rem; font-weight: 700; color: var(--navy-900); line-height: 1.1; }
.sim-score__value small { font-size: 1.4rem; color: var(--text-faint); margin-left: 6px; }
.sim-score__pct { color: var(--orange-600); font-weight: 700; margin-bottom: 20px; }
.sim-sections { max-width: 520px; margin: 0 auto 26px; display: flex; flex-direction: column; gap: 10px; text-align: left; }
.sim-sec { display: grid; grid-template-columns: 1fr 120px 48px; gap: 12px; align-items: center; font-size: 0.9rem; color: var(--text-soft); }
.sim-sec__bar { height: 8px; border-radius: 99px; background: var(--border); overflow: hidden; }
.sim-sec__bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--orange-500), var(--orange-600)); }
.sim-sec__val { text-align: right; font-weight: 600; color: var(--navy-900); }
.sim-review-title { font-family: var(--font-display); font-size: 1.4rem; color: var(--navy-900); }
.sim-rev { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.sim-rev.is-ok { border-left: 5px solid #1a7f4a; }
.sim-rev.is-bad { border-left: 5px solid #c23b1f; }
.sim-rev .sim-q { margin-bottom: 8px; font-size: 1.1rem; }
.sim-expl { background: var(--bg-alt); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 0.92rem; color: var(--text-soft); }

/* ---------- Modal ---------- */
.sim-modal { position: fixed; inset: 0; background: rgba(10, 32, 54, 0.6); display: grid; place-items: center; z-index: 200; padding: 20px; }
.sim-modal__card { background: var(--white); border-radius: var(--radius-lg); padding: 28px; max-width: 420px; width: 100%; }
.sim-modal__card h3 { font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 10px; color: var(--navy-900); }
.sim-modal__actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; flex-wrap: wrap; }

/* ---------- Protección de contenido ---------- */
.sim-protected { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.sim-privacy { position: fixed; inset: 0; z-index: 300; background: var(--navy-900); color: var(--white); display: grid; place-items: center; text-align: center; padding: 30px; }
.sim-body.is-obscured .sim-main, .sim-body.is-obscured .sim-top { visibility: hidden; }
@media print { body { display: none !important; } }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .sim-exam { grid-template-columns: 1fr; }
  .sim-map { position: static; }
  .sim-bar { top: 70px; gap: 14px; padding: 10px 14px; }
  .sim-card { padding: 22px; }
  .sim-top__user { display: none; }
  .sim-sec { grid-template-columns: 1fr 80px 42px; }
}

/* ---------- Lista de simuladores ---------- */
.sim-list { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.sim-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border: 1.5px solid var(--border); border-radius: var(--radius-md); background: var(--bg); flex-wrap: wrap; }
.sim-item h3 { font-family: var(--font-display); font-size: 1.1rem; color: var(--navy-900); margin-bottom: 4px; }
.sim-item .btn:disabled { opacity: 0.5; cursor: not-allowed; }
.sim-bar__name { font-size: 0.95rem !important; max-width: 300px; line-height: 1.2; }
@media (max-width: 860px) { .sim-bar__title { display: none; } }

/* ---------- Navegación superior ---------- */
.sim-top__nav { display: flex; gap: 6px; }
.sim-top__link { display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px; border-radius: 99px; background: transparent; border: 0; font-weight: 600; font-size: 0.92rem; color: var(--text-soft); cursor: pointer; }
.sim-top__link:hover { color: var(--navy-900); background: var(--bg-alt); }
.sim-top__link.is-active { background: var(--navy-900); color: var(--white); }
.sim-top__ico { font-size: 1rem; }
.sim-top__avatar { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--navy-900); color: var(--white); font-family: var(--font-display); font-weight: 700; font-size: .95rem; flex-shrink: 0; }
@media (max-width: 700px) {
  .sim-top__inner { flex-wrap: wrap; }
  .sim-top__nav { order: 3; width: 100%; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; gap: 4px; padding-bottom: 2px; scrollbar-width: none; }
  .sim-top__nav::-webkit-scrollbar { display: none; }
  .sim-top__link { flex: 0 0 auto; white-space: nowrap; padding: 8px 14px; font-size: .86rem; }
  .sim-top__ico { display: none; }
}

/* ---------- Logo de la universidad ---------- */
.sim-item { gap: 20px; }
.sim-item__logo { height: 44px; width: auto; flex-shrink: 0; }
.sim-item__info { flex: 1; min-width: 200px; }
.sim-bar__title { flex-direction: row !important; align-items: center; gap: 12px; }
.sim-bar__title > div { display: flex; flex-direction: column; }
.sim-bar__logo { height: 34px; width: auto; }

/* ---------- Resultado con gráficos ---------- */
.sim-score { text-align: left; }
.sim-score__top { display: flex; align-items: center; gap: 36px; flex-wrap: wrap; justify-content: center; margin-bottom: 8px; }
.sim-gauge { width: 190px; height: 190px; flex-shrink: 0; }
.sim-gauge__svg { width: 100%; height: 100%; }
.sim-gauge__num { font-family: var(--font-display); font-size: 34px; font-weight: 700; fill: var(--navy-900); }
.sim-gauge__sub { font-size: 11px; fill: #8b96a3; font-weight: 600; }
.sim-score__text { text-align: left; }
.sim-score__value { font-size: 3.4rem; }
.sim-score__level { font-weight: 700; font-size: 1.15rem; margin-top: 2px; }
.sim-delta { margin-top: 8px; font-weight: 600; font-size: 0.95rem; }
.sim-charts { display: grid; grid-template-columns: 1fr 1.2fr; gap: 32px; margin: 26px 0; }
.sim-h3 { font-family: var(--font-display); font-size: 1.05rem; color: var(--navy-900); margin-bottom: 14px; }
.sim-linechart { width: 100%; }
.sim-line__svg { width: 100%; height: auto; display: block; }
.sim-line__axis { font-size: 11px; fill: #8b96a3; font-family: var(--font-body); }
.sim-line__val { font-size: 12px; font-weight: 700; fill: var(--navy-900); font-family: var(--font-body); }
.sim-sections { max-width: none; margin: 0; }
.sim-sec { grid-template-columns: 1fr 110px 44px; }
.sim-sec__bar span { transition: width 0.9s ease-out; }
.sim-score__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.sim-expl { padding: 16px 18px; }
.sim-expl strong { display: block; color: var(--navy-900); margin-bottom: 6px; font-size: 0.9rem; }
.sim-expl p { color: var(--text-soft); line-height: 1.65; }
@media (max-width: 860px) { .sim-charts { grid-template-columns: 1fr; gap: 22px; } .sim-score__top { flex-direction: column; text-align: center; } .sim-score__text { text-align: center; } }

/* ---------- Mi progreso ---------- */
.sim-prog__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.sim-prog__filter { display: flex; flex-direction: column; gap: 6px; min-width: 260px; }
.sim-prog__filter select { padding: 11px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); font-size: 0.95rem; }
.sim-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin-bottom: 8px; }
.sim-stat { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.sim-stat span { font-size: 0.78rem; }
.sim-stat strong { font-family: var(--font-display); font-size: 1.35rem; color: var(--navy-900); }
.sim-insight { margin-top: 14px; padding: 12px 14px; background: var(--orange-50); border-radius: var(--radius-sm); color: var(--text-soft); font-size: 0.92rem; }
.sim-insight:empty { display: none; }
@media (max-width: 600px) { .sim-stat strong { font-size: 1.05rem; white-space: nowrap; } .sim-stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Navegación: universidades y grupos ---------- */
.sim-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 18px 0 4px; font-size: 0.92rem; }
.sim-crumbs[hidden] { display: none; }
.sim-crumbs__link { background: none; border: 0; padding: 4px 8px; border-radius: 8px; color: var(--orange-600); font-weight: 600; cursor: pointer; font-size: inherit; }
.sim-crumbs__link:hover { background: var(--bg-alt); text-decoration: underline; }
.sim-crumbs__sep { color: var(--text-soft); }
.sim-crumbs__here { font-weight: 700; color: var(--navy-900); padding: 4px 8px; }
.sim-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; margin-top: 18px; }
.sim-tile { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 8px; min-height: 130px; padding: 20px 22px; text-align: left; border: 1.5px solid var(--border); border-top: 3px solid var(--orange-500); border-radius: var(--radius-md); background: var(--bg); cursor: pointer; font: inherit; color: inherit; transition: border-color .15s, box-shadow .15s, transform .15s; position: relative; }
.sim-tile:hover, .sim-tile:focus-visible { border-color: var(--navy-900); border-top-color: var(--orange-500); box-shadow: var(--shadow-md); transform: translateY(-2px); outline: none; }
.sim-tile--cat { border-top-color: var(--navy-700); }
.sim-tile::after { content: "›"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.8rem; color: var(--text-soft); }
.sim-tile strong { font-family: var(--font-display); font-size: 1.15rem; color: var(--navy-900); padding-right: 22px; }
.sim-tile__logo { height: 40px; width: auto; max-width: 100%; }
.sim-tile__icon { width: 46px; height: 46px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--white); border: 1.5px solid var(--border); font-size: 1.4rem; }
.sim-tile--cat { min-height: 100px; }
.sim-panel[hidden] { display: none; }
.sim-tile__logo, .sim-tile__icon { height: 46px; margin-bottom: 2px; }
.sim-tile--cat { justify-content: center; }
@media (max-width: 520px) { .sim-tiles { grid-template-columns: 1fr; } .sim-tile { min-height: 96px; } .sim-tile--cat { min-height: 84px; } .sim-item__logo { height: 34px; } }

/* ---------- Bloques separados del resultado ---------- */
#viewResult .sim-card + .sim-card { margin-top: 22px; }
.sim-block__title { font-family: var(--font-display); font-size: 1.3rem; color: var(--navy-900); margin-bottom: 6px; }
.sim-block .sim-charts { margin: 18px 0 0; }
.sim-block .sim-sections { margin-top: 18px; }
.sim-score__actions { margin-top: 18px; }
.sim-pie__wrap { width: 190px; height: 190px; margin: 0 auto 14px; }
.sim-pie__svg { width: 100%; height: 100%; }
.sim-pie__num { font-family: var(--font-display); font-size: 22px; font-weight: 700; fill: var(--navy-900); }
.sim-pie__sub { font-size: 8px; fill: #8b96a3; font-weight: 600; }
.sim-pie__legend { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; max-width: 320px; margin-inline: auto; }
.sim-pie__legend li { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; }
.sim-pie__label { flex: 1; color: var(--text-soft); }
.sim-pie__dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.sim-review-title { margin: 30px 0 14px; }

/* ---------- Tareas ---------- */
.sim-item--task { align-items: center; }
.sim-tag { display: inline-flex; align-items: center; padding: 6px 14px; border-radius: 99px; font-size: 0.82rem; font-weight: 700; white-space: nowrap; }
.sim-tag.is-ok { background: #e8f6ee; color: #14633a; }
.sim-tag.is-warn { background: #fff1e3; color: var(--orange-600); }
.sim-tag.is-bad { background: #fdeeea; color: #a3301a; }
.sim-task-detail { display: flex; flex-direction: column; gap: 6px; }
.sim-task-detail h2 { font-family: var(--font-display); font-size: 1.35rem; color: var(--navy-900); }
.sim-task-desc { white-space: pre-wrap; color: var(--text); line-height: 1.6; margin: 14px 0; padding: 14px 16px; background: var(--bg); border-radius: var(--radius-sm); }
.sim-task-sub { margin: 10px 0 20px; padding: 16px 18px; background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); display: flex; flex-direction: column; gap: 4px; }
.sim-task-sub strong { color: var(--navy-900); margin-bottom: 4px; }
.sim-task-sub a { color: var(--orange-600); font-weight: 600; word-break: break-word; }
.sim-task-grade { font-weight: 700; color: var(--navy-900); font-size: 1.05rem; }
.sim-task-form { display: flex; flex-direction: column; gap: 14px; padding-top: 6px; border-top: 1px solid var(--border); margin-top: 4px; }
.sim-task-form > strong { color: var(--navy-900); }
@media (max-width: 600px) { .sim-item--task { flex-direction: column; align-items: flex-start; } .sim-item--task .btn { width: 100%; } }

/* ---------- Recursos (dentro de Tareas) ---------- */
.sim-resources { background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); padding: 18px 20px; margin-bottom: 22px; }
.sim-resources__title { font-family: var(--font-display); font-size: 1.05rem; color: var(--navy-900); margin-bottom: 4px; }
.sim-resources .sim-list { margin-top: 14px; }
.sim-item--resource { background: var(--white); align-items: center; }
@media (max-width: 600px) { .sim-item--resource { flex-direction: column; align-items: flex-start; } .sim-item--resource .btn { width: 100%; } }
.sim-topic p { color: var(--text); line-height: 1.6; white-space: pre-wrap; }

/* ---------- Clases en vivo ---------- */
.sim-live-rules { background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); padding: 16px 20px; margin: 18px 0 26px; }
.sim-live-rules strong { color: var(--navy-900); }
.sim-live-rules ul { margin: 8px 0 0; padding-left: 20px; color: var(--text-soft); }
.sim-live-rules li { margin-bottom: 4px; }
.sim-item--live { align-items: center; }
@media (max-width: 600px) { .sim-item--live { flex-direction: column; align-items: flex-start; } .sim-item--live .btn { width: 100%; } }