:root {
  color-scheme: light;
  --bg: #f6f7f8;
  --panel: #ffffff;
  --panel-2: #eef2f3;
  --text: #1d2527;
  --muted: #617073;
  --border: #dce3e5;
  --accent: #0f766e;
  --accent-2: #155e75;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --ok: #237a3b;
  --ok-bg: #ecf8ef;
  --warn: #a15c00;
  --warn-bg: #fff6e5;
  --shadow: 0 12px 32px rgba(15, 35, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

#app {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 18px 14px 42px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.7rem, 9vw, 2.6rem);
  line-height: 1;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.2;
}

h3 {
  font-size: 1.02rem;
}

.status,
.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--muted);
  background: var(--panel);
  font-size: 0.82rem;
  white-space: nowrap;
}

.tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 4px;
  margin: 0 -4px 18px;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
  display: none;
}

.tabs button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 8px;
  min-height: 38px;
  white-space: nowrap;
}

.tabs button.active {
  background: var(--panel);
  color: var(--text);
  border-color: var(--border);
  box-shadow: var(--shadow);
}

.view-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.grid {
  display: grid;
  gap: 12px;
}

.grid.cols-2,
.grid.cols-3,
.grid.cols-4 {
  grid-template-columns: 1fr;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 14px;
}

.metric {
  min-height: 94px;
}

.metric .label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.metric .value {
  font-size: 1.7rem;
  font-weight: 760;
  line-height: 1.15;
  margin-top: 5px;
}

.metric .sub {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 4px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 8px;
  min-height: 40px;
  padding: 8px 12px;
  font-weight: 680;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn.secondary {
  background: var(--panel-2);
}

.btn.danger {
  background: var(--danger-bg);
  border-color: #ffd1cc;
  color: var(--danger);
}

.btn.warn {
  background: var(--warn-bg);
  border-color: #f3d79a;
  color: var(--warn);
}

.pill.flag {
  background: var(--warn-bg);
  border-color: #f3d79a;
  color: var(--warn);
}

.btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.question {
  font-size: 1.08rem;
  line-height: 1.62;
  font-weight: 610;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.option-list {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

.option {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 9px;
  text-align: left;
  min-height: 54px;
}

.option:hover,
.option.selected {
  border-color: var(--accent);
}

.option.ok {
  border-color: var(--ok);
  background: var(--ok-bg);
}

.option.err {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.letter {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--panel-2);
  font-weight: 760;
}

.progressbar {
  width: 100%;
  height: 9px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}

.progressbar > span {
  display: block;
  height: 100%;
  width: var(--pct, 0%);
  background: var(--accent);
}

.timer {
  font-variant-numeric: tabular-nums;
  font-size: 1.25rem;
  font-weight: 760;
  color: var(--accent-2);
}

.timer.low {
  color: var(--danger);
}

.feedback.ok {
  border-color: #b9e7c6;
  background: var(--ok-bg);
}

.feedback.err {
  border-color: #ffd1cc;
  background: var(--danger-bg);
}

.muted {
  color: var(--muted);
}

.notice {
  background: var(--warn-bg);
  border: 1px solid #f5d08a;
  color: #5b3900;
  border-radius: 8px;
  padding: 11px 12px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
td {
  padding: 10px 11px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

tr:last-child td {
  border-bottom: 0;
}

.filters {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
}

.field {
  display: grid;
  gap: 5px;
}

.field label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 8px 10px;
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.exam-shell {
  display: grid;
  gap: 12px;
}

.exam-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.exam-dot {
  width: 38px;
  height: 34px;
  padding: 0;
}

.exam-dot.answered {
  border-color: var(--accent);
  background: #e8f7f5;
}

.exam-dot.unrated {
  border-style: dashed;
  border-color: var(--warn);
}

.conf-box {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
}

.conf-box.pending {
  border-color: var(--warn);
  background: var(--warn-bg);
}

.conf-btn.c100 { background: var(--ok-bg); border-color: #a8ddb6; color: var(--ok); }
.conf-btn.c70  { background: var(--warn-bg); border-color: #f3d79a; color: var(--warn); }
.conf-btn.c50  { background: var(--danger-bg); border-color: #ffd1cc; color: var(--danger); }
.conf-btn.sel  { outline: 2px solid currentColor; font-weight: 700; }

.pill.conf.c100 { background: var(--ok-bg); border-color: #a8ddb6; color: var(--ok); }
.pill.conf.c70  { background: var(--warn-bg); border-color: #f3d79a; color: var(--warn); }
.pill.conf.c50  { background: var(--danger-bg); border-color: #ffd1cc; color: var(--danger); }

.lesson-row {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding: 12px 0;
}

.lesson-row:first-child {
  border-top: 0;
}

.explore-head {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: flex-start;
}

.q-detail[hidden] {
  display: none;
}

a {
  color: var(--accent-2);
  font-weight: 700;
}

.empty {
  padding: 22px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

@media (min-width: 720px) {
  #app {
    padding: 28px 22px 56px;
  }

  .grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid.cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .filters {
    grid-template-columns: 1.3fr 1fr 1fr auto;
    align-items: end;
  }

  .split {
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  }
}

.error-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
  margin-top: 10px;
}

@media (min-width: 620px) {
  .error-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hoy-hero .hoy-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.hoy-big {
  font-size: 2.6rem;
  font-weight: 780;
  line-height: 1;
}

.hoy-side {
  display: grid;
  gap: 4px;
  align-content: start;
  text-align: right;
}

.justif-head {
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  color: var(--accent-2);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.justif-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
}

.justif-list li {
  line-height: 1.55;
  padding-left: 2px;
}

.justif-list li::marker {
  color: var(--accent);
}

.infoblock strong {
  color: var(--accent-2);
  font-weight: 720;
}

.uni-select {
  width: auto;
  min-height: 34px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
}

.q-image {
  margin: 12px 0;
  text-align: center;
}

.q-image img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

/* Verificada: la respuesta esta confirmada contra los simulacros reales. */
.pill.verif { background: var(--ok-bg); border-color: #a8ddb6; color: var(--ok); font-weight: 600; }
.pill.sinverif { background: var(--warn-bg); border-color: #f3d79a; color: var(--warn); }

/* --- Franja de agenda: los tres examenes de un golpe --- */
.agenda {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  margin-bottom: 12px;
}
@media (min-width: 720px) {
  .agenda { grid-template-columns: repeat(3, 1fr); }
}
.agenda-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.agenda-card:hover { border-color: var(--accent-2); }
.agenda-card.activo { border-color: var(--accent-2); box-shadow: inset 0 0 0 1px var(--accent-2); }
.agenda-card.warn { background: var(--warn-bg); }
.agenda-card.err { background: var(--danger-bg); }
.agenda-dias { font-size: 1.6rem; font-weight: 760; line-height: 1.1; color: var(--accent-2); }
.agenda-dias small { font-size: 0.8rem; font-weight: 500; color: var(--muted); }

/* --- Colas de repaso --- */
.colas {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  margin-top: 10px;
}
@media (min-width: 860px) {
  .colas { grid-template-columns: repeat(3, 1fr); }
}
.cola-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: inherit;
  font: inherit;
  cursor: pointer;
}
.cola-card:hover:not(:disabled) { border-color: var(--accent-2); }
.cola-card.err { background: var(--danger-bg); border-color: #ffd1cc; }
.cola-card.warn { background: var(--warn-bg); border-color: #f3d79a; }
.cola-card.vacia { opacity: 0.55; cursor: default; }
.cola-n { font-size: 1.9rem; font-weight: 760; line-height: 1; }
.cola-tit { font-weight: 700; }
.cola-cta { margin-top: 4px; font-weight: 650; color: var(--accent-2); }

/* Vuelta completa al banco: cuanto del banco ya paso por sus ojos. */
.vuelta-big {
  font-size: 2.1rem;
  font-weight: 780;
  line-height: 1;
  white-space: nowrap;
}
.vuelta-big .muted { font-size: 1.1rem; font-weight: 600; }

/* Reportar una pregunta con errores. Va separado de los motivos de fallo a
   proposito: «fallé por X» habla del Dr., «la pregunta está mal» habla del banco. */
.reportar {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}
.reportar p { margin: 0 0 10px; }
.reportada-aviso { border-color: #f3d79a; background: var(--warn-bg); }

/* --- Menos ruido: lo secundario se pliega, lo principal manda --- */
.btn.grande { font-size: 1.02rem; padding: 12px 18px; }
.linkbtn {
  background: none; border: 0; padding: 0; font: inherit; color: var(--accent);
  cursor: pointer; text-decoration: underline;
}
.linkbtn:hover { opacity: .8; }
.field.inline { flex-direction: row; align-items: center; gap: 8px; margin: 0; }
.field.inline select { width: auto; }
details.mas-opciones, details.ajustes, details.explicacion, details.nav-larga { }
details.mas-opciones { margin-top: 10px; }
details.mas-opciones > summary, details.ajustes > summary, details.nav-larga > summary {
  cursor: pointer; color: var(--muted); font-size: .92rem; padding: 6px 0; list-style: none;
}
details.explicacion > summary {
  cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none;
}
details > summary::-webkit-details-marker { display: none; }
details.mas-opciones > summary::before, details.ajustes > summary::before,
details.explicacion > summary::before, details.nav-larga > summary::before {
  content: "▸ "; display: inline-block; transition: transform .15s;
}
details[open].mas-opciones > summary::before, details[open].ajustes > summary::before,
details[open].explicacion > summary::before, details[open].nav-larga > summary::before {
  content: "▾ ";
}
details.ajustes { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 6px; }
/* Aviso de que la app cambio sola de banco. Tiene que verse y poder deshacerse. */
.aviso-salto {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  border-color: var(--accent); background: var(--panel);
}
.aviso-salto .btn { margin-left: auto; }
.agenda-card.pasado { opacity: .55; }

/* ==========================================================================
   Tres espacios. Rediseño 2026-09-11.
   Regla de la casa: lo importante grande, lo secundario en gris, nada de
   tarjetas iguales compitiendo por atención.
   ========================================================================== */

.topbar { align-items: flex-start; flex-wrap: wrap; }
.marca h1 { margin: 0; font-size: 1.5rem; letter-spacing: -0.02em; }
.marca .eyebrow { margin: 0 0 2px; }

/* --- Marcador permanente: días, nota, hoy, cuánto falta del banco --- */
.tablero { margin-left: auto; }
.marcador {
  display: flex; gap: 6px; align-items: stretch;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 8px 6px; box-shadow: var(--shadow);
}
.marcador .dato {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 66px; padding: 2px 10px;
}
.marcador .dato + .dato { border-left: 1px solid var(--border); }
.marcador .n { font-size: 1.3rem; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.marcador .et { font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.marcador.urge .dato:first-child .n { color: var(--danger); }
.marcador .mini { width: 100%; height: 3px; background: var(--panel-2); border-radius: 2px; margin-top: 4px; overflow: hidden; }
.marcador .mini span { display: block; height: 100%; background: var(--accent); }

/* --- Pestañas: tres, grandes, con icono --- */
.tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.tabs button {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 14px; font-size: 1rem; font-weight: 600;
  background: var(--panel); color: var(--muted);
  border: 1px solid var(--border); border-radius: 14px; transition: all .16s;
}
.tabs button .ico { font-size: 1.15rem; }
.tabs button:hover { color: var(--text); border-color: #c3cfd2; }
.tabs button.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
  box-shadow: 0 6px 18px rgba(15, 118, 110, .28);
}

/* --- Hero: una sola cosa importante por pantalla --- */
.hero {
  background: linear-gradient(160deg, var(--panel) 0%, var(--panel-2) 140%);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 26px 24px; box-shadow: var(--shadow);
}
.hero-sub { margin: 0 0 4px; font-size: .74rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 600; }
.hero-tit { margin: 0 0 8px; font-size: 1.7rem; line-height: 1.2; letter-spacing: -0.02em; text-wrap: balance; }
.hero .muted { max-width: 62ch; }
.hero.limpio { background: linear-gradient(160deg, var(--ok-bg) 0%, var(--panel) 120%); border-color: #bfe4c8; }
.meta-nota { margin: 12px 0 0; font-size: .9rem; color: var(--muted); }
.btn.enorme { font-size: 1.05rem; padding: 14px 26px; border-radius: 12px; margin-top: 16px; }

/* --- Las cuatro colas de repaso --- */
.colas-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin-top: 14px; }
.cola {
  display: flex; flex-direction: column; gap: 2px; text-align: left;
  padding: 16px; border-radius: 16px; border: 1px solid var(--border);
  background: var(--panel); transition: transform .14s, box-shadow .14s;
}
.cola:not([disabled]):hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.cola-ico { font-size: 1.3rem; }
.cola .cola-n { font-size: 2rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.cola .cola-tit { font-weight: 600; }
.cola .cola-nota { font-size: .84rem; color: var(--muted); }
.cola.err  { border-color: #f2c4bf; background: var(--danger-bg); }
.cola.err  .cola-n { color: var(--danger); }
.cola.warn { border-color: #f3d79a; background: var(--warn-bg); }
.cola.warn .cola-n { color: var(--warn); }
.cola.mark { border-color: #bcd3f5; background: #f2f7ff; }
.cola.mark .cola-n { color: #1d4ed8; }
.cola.base .cola-n { color: var(--accent); }
.cola.vacia { opacity: .5; cursor: default; }

/* --- Banco: el contador es el protagonista --- */
.contador { display: flex; align-items: baseline; gap: 12px; margin: 10px 0 14px; flex-wrap: wrap; }
.contador-n { font-size: 3.4rem; font-weight: 800; line-height: 1; letter-spacing: -0.03em; color: var(--accent); font-variant-numeric: tabular-nums; }
.contador-et { font-size: 1rem; color: var(--muted); }
.progressbar.grande { height: 10px; border-radius: 6px; }
.lista-card {
  display: flex; flex-direction: column; gap: 2px; text-align: left;
  padding: 16px; border-radius: 16px; border: 1px solid var(--border); background: var(--panel);
}
.lista-card:hover { box-shadow: var(--shadow); }
.lista-card .lc-ico { font-size: 1.25rem; }
.lista-card .lc-n { font-size: 1.9rem; font-weight: 700; line-height: 1; }
.lista-card .lc-tit { font-weight: 600; }
.lista-card.mark { border-color: #bcd3f5; } .lista-card.mark .lc-n { color: #1d4ed8; }
.lista-card.err  { border-color: #f2c4bf; } .lista-card.err  .lc-n { color: var(--danger); }
/* Bloqueadas: las que el Dr. dio por sabidas. Gris deliberado — no es un aviso
   ni un error, es material retirado a propósito. */
.lista-card.bloq { border-color: #cfd6d8; } .lista-card.bloq .lc-n { color: #64748b; }

/* --- Cierre de la pregunta: dos marcas y el botón de avanzar --- */
.cierre {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 14px; padding: 14px; border-radius: 16px;
  border: 1px solid var(--border); background: var(--panel);
}
.cierre.bien { border-color: #bfe4c8; background: var(--ok-bg); }
.cierre.mal  { border-color: #f2c4bf; background: var(--danger-bg); }
.cierre .btn.grande { margin-left: auto; }
.cierre-marcas { display: flex; gap: 8px; flex-wrap: wrap; }
.marca-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 14px; border-radius: 999px; font-size: .9rem; font-weight: 500;
  border: 1px solid var(--border); background: var(--panel); color: var(--muted);
  transition: all .14s;
}
.marca-btn:hover { color: var(--text); border-color: #9fb4b8; }
.marca-btn .mi { font-size: 1rem; }
.marca-btn.on { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }
.marca-btn.err.on { background: var(--danger); border-color: var(--danger); color: #fff; }
.marca-btn.bloq.on { background: #475569; border-color: #475569; color: #fff; }
.nota-marca { margin: 8px 0 0; font-size: .88rem; color: #1d4ed8; }
.nota-marca.err { color: var(--danger); }
.nota-marca.bloq { color: #475569; }
.tecla { opacity: .65; font-weight: 400; }

/* --- Recompensa: el acierto tiene que sentirse --- */
#premio { position: fixed; inset: 0; pointer-events: none; z-index: 60; overflow: hidden; }
.premio-pop {
  position: absolute; left: 50%; top: 26%; transform: translateX(-50%);
  padding: 14px 30px; border-radius: 999px;
  background: var(--ok); color: #fff; font-weight: 700; font-size: 1.25rem;
  box-shadow: 0 16px 44px rgba(35, 122, 59, .38);
  animation: subeypasa 1.1s cubic-bezier(.2, .9, .25, 1) forwards;
}
.premio-pop.hito {
  background: linear-gradient(120deg, #f59e0b, #e11d48);
  font-size: 1.7rem; padding: 18px 42px;
  box-shadow: 0 20px 56px rgba(225, 29, 72, .42);
  animation: hitoPop 1.8s cubic-bezier(.2, .9, .25, 1) forwards;
}
@keyframes subeypasa {
  0%   { opacity: 0; transform: translateX(-50%) translateY(18px) scale(.82); }
  18%  { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.06); }
  32%  { transform: translateX(-50%) translateY(0) scale(1); }
  78%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(-30px) scale(.96); }
}
@keyframes hitoPop {
  0%   { opacity: 0; transform: translateX(-50%) scale(.5) rotate(-6deg); }
  14%  { opacity: 1; transform: translateX(-50%) scale(1.16) rotate(2deg); }
  26%  { transform: translateX(-50%) scale(1) rotate(0); }
  82%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) scale(.94) translateY(-24px); }
}
.chispa {
  position: absolute; left: 50%; top: 34%; width: 9px; height: 9px; border-radius: 2px;
  animation: chispear var(--d, 1s) cubic-bezier(.15, .8, .3, 1) forwards;
}
@keyframes chispear {
  0%   { opacity: 1; transform: translate(0, 0) rotate(0) scale(1); }
  100% { opacity: 0; transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(.3); }
}
/* La opción correcta también celebra, en su sitio */
.option.ok { animation: latidoOk .5s ease-out; }
@keyframes latidoOk {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.022); box-shadow: 0 0 0 4px rgba(35, 122, 59, .18); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .premio-pop, .chispa, .option.ok, .cola, .tabs button { animation: none !important; transition: none !important; }
}

@media (max-width: 620px) {
  .topbar { gap: 10px; }
  .tablero { margin-left: 0; width: 100%; }
  .marcador { width: 100%; justify-content: space-between; }
  .hero { padding: 20px 16px; }
  .hero-tit { font-size: 1.35rem; }
  .contador-n { font-size: 2.6rem; }
  .tabs button { padding: 11px 8px; font-size: .92rem; }
  .cierre .btn.grande { margin-left: 0; width: 100%; }
}
.aviso-sesion { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; border-color: var(--accent); }
.aviso-sesion .btn { margin-left: auto; }

/* --- Confianza obligatoria: es el paso, no un adorno --- */
.conf-box.pide {
  margin-top: 14px; padding: 18px; border-radius: 16px;
  border: 2px solid var(--accent); background: linear-gradient(160deg, var(--panel) 0%, #eefaf8 140%);
}
.conf-pregunta { font-size: 1.08rem; font-weight: 600; margin-bottom: 12px; }
.conf-fila { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.conf-grande {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 16px 10px; border-radius: 14px; border: 1px solid var(--border);
  background: var(--panel); transition: all .14s;
}
.conf-grande:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.conf-grande .cg-n { font-size: 1.5rem; font-weight: 700; line-height: 1; }
.conf-grande .cg-t { font-size: .84rem; color: var(--muted); }
.conf-grande .cg-k {
  position: absolute; top: 6px; right: 8px; font-size: .68rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: 4px; padding: 0 4px;
}
.conf-grande.c100 { border-color: #bfe4c8; } .conf-grande.c100 .cg-n { color: var(--ok); }
.conf-grande.c70  { border-color: #f3d79a; } .conf-grande.c70  .cg-n { color: var(--warn); }
.conf-grande.c50  { border-color: #f2c4bf; } .conf-grande.c50  .cg-n { color: var(--danger); }
.conf-box.pide .muted { margin: 12px 0 0; }
@media (max-width: 560px) { .conf-fila { grid-template-columns: 1fr; } }
.infoblock.sin-justif { border-style: dashed; background: var(--panel-2); }

/* --- Cuatro niveles de confianza: caben en 2×2 en el móvil --- */
.conf-fila { grid-template-columns: repeat(4, 1fr); }
.conf-grande.c25 { border-color: #d8d2ca; } .conf-grande.c25 .cg-n { color: var(--muted); }
@media (max-width: 720px) { .conf-fila { grid-template-columns: repeat(2, 1fr); } }

/* --- Panel de calibración --- */
.calibracion { margin-top: 14px; }
.cal-tabla { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.cal-fila { display: grid; grid-template-columns: 130px 1fr 62px; gap: 12px; align-items: center; }
.cal-et { display: flex; flex-direction: column; line-height: 1.2; }
.cal-et strong { font-variant-numeric: tabular-nums; }
.cal-et span { font-size: .85rem; }
.cal-et small { font-size: .72rem; color: var(--muted); }
.cal-barra {
  position: relative; height: 22px; border-radius: 6px;
  background: var(--panel-2); overflow: visible;
}
.cal-barra .real { position: absolute; inset: 0 auto 0 0; border-radius: 6px; background: var(--accent); }
.cal-fila.sobra .real { background: var(--danger); }
.cal-fila.peor  .real { background: var(--danger); }
.cal-fila.falta .real { background: var(--ok); }
/* OJO: no llamarlas `.marca` — ese nombre ya es el bloque del logo en el
   encabezado, y la colisión dejaba el título del encabezado en 2 px de ancho. */
.cal-marca { position: absolute; top: -3px; bottom: -3px; width: 2px; border-radius: 1px; }
.cal-marca.dicho { background: var(--text); }
.cal-marca.azar  { background: var(--muted); opacity: .55; border-left: 2px dotted var(--muted); width: 0; }
.cal-marca.en-linea { position: static; display: inline-block; width: 3px; height: .85em; vertical-align: -2px; margin: 0 2px; border: 0; opacity: 1; }
.cal-marca.azar.en-linea { background: var(--muted); opacity: .6; }
.cal-num { text-align: right; line-height: 1.15; }
.cal-num strong { font-variant-numeric: tabular-nums; }
.cal-num small { display: block; font-size: .72rem; color: var(--muted); }
.cal-fila.sobra .cal-num strong, .cal-fila.peor .cal-num strong { color: var(--danger); }
.cal-fila.bien  .cal-num strong { color: var(--ok); }
.cal-aviso {
  margin: 12px 0 0; padding: 12px 14px; border-radius: 10px;
  background: var(--panel-2); font-size: .9rem; line-height: 1.5;
}
@media (max-width: 620px) { .cal-fila { grid-template-columns: 96px 1fr 54px; gap: 8px; } .cal-et span { font-size: .78rem; } }

/* --- Modo lectura: cubrir el banco, no responderlo --- */
.barrido {
  margin: 16px 0 6px; padding: 16px; border-radius: 14px;
  border: 1px solid var(--accent); background: var(--panel);
}
.barrido p { margin: 0 0 12px; font-size: .92rem; color: var(--muted); }
.barrido p strong { color: var(--text); }
.lectura-cab { position: sticky; top: 0; z-index: 5; }
.lectura-lista { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.lect .lect-n { margin: 6px 0 2px; font-size: .72rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.lect .option { cursor: default; }
.lect .option.ok { border-color: #bfe4c8; background: var(--ok-bg); color: var(--ok); }
.lect .sin-j { font-size: .85rem; font-style: italic; margin: 10px 0 0; }
.lectura-pie {
  position: sticky; bottom: 0; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 16px; padding: 14px; border-radius: 14px;
  border: 1px solid var(--border); background: var(--panel); box-shadow: var(--shadow);
}

/* Los tres tamanos de sesion de repaso, en una fila que se parte sola. */
.toolbar.bloques { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.toolbar.bloques .btn { flex: 1 1 140px; }

/* Quién escribió la explicación. Discreto pero legible: es una advertencia, no una alarma. */
.aviso-ia { margin: 10px 0 0; font-size: .82rem; color: #64748b; border-top: 1px solid var(--line, #e2e8f0); padding-top: 8px; }

/* Cuenta del día contra el compromiso propio del Dr. (200 diarias). */
.hoy-linea { margin: 10px 0 0; font-size: .95rem; color: var(--text); }
.hoy-linea.ok { color: #15803d; font-weight: 600; }

/* --- Calentamiento y avisos tácticos ------------------------------------- */
.aviso-tactica {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--accent, #2f81f7);
  background: color-mix(in srgb, var(--accent, #2f81f7) 8%, transparent);
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
}
.aviso-tactica em { opacity: 0.75; font-style: normal; }
.tacticas-lista { margin: 8px 0 0; padding-left: 18px; line-height: 1.7; }
.tacticas-lista li { margin-bottom: 4px; }
.pill.alerta {
  background: var(--err, #c0392b);
  color: #fff;
  font-weight: 700;
}

/* --- Simulacro a la medida (capítulos de Essentials) --------------------- */
.medida-caps { max-height: 320px; overflow-y: auto; display: grid; gap: 2px; }
.med-cap {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 7px 9px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.93rem;
}
.med-cap:hover { background: var(--bg-2, rgba(127,127,127,0.08)); }
.med-cap input { margin: 0; }

/* ------------------------------------------------------------ RETO DEL BANCO
   50 preguntas con cupo de 10 errores. El marcador de vidas tiene que leerse
   de un vistazo, sin leer: corazones que se apagan y el bloque que se pone
   rojo cuando quedan 3 o menos. */
.reto-barra {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
}
.reto-vidas {
  display: flex;
  gap: 3px;
  font-size: 1.1rem;
  line-height: 1;
  letter-spacing: 1px;
}
.reto-vidas .vida.viva { color: var(--danger); }
.reto-vidas .vida.muerta { color: #c3ccce; }
.reto-texto { font-size: .88rem; color: var(--muted); }
.reto-barra.critico {
  border-color: #f0b8b2;
  background: var(--danger-bg);
}
.reto-barra.critico .reto-texto { color: var(--danger); }
.reto-barra.fundido { animation: retoPulso 1.1s ease-in-out infinite; }
@keyframes retoPulso {
  0%, 100% { border-color: #f0b8b2; }
  50% { border-color: var(--danger); }
}
@media (prefers-reduced-motion: reduce) {
  .reto-barra.fundido { animation: none; border-color: var(--danger); }
}

.card-reto { border-color: #b8ddd7; }

/* Veredicto del reto en el resumen. */
.veredicto { text-align: center; }
.veredicto h2 { font-size: 1.5rem; margin-bottom: 4px; }
.veredicto.ganado { border-color: #a7dcb6; background: var(--ok-bg); }
.veredicto.ganado h2 { color: var(--ok); }
.veredicto.perdido { border-color: #f0b8b2; background: var(--danger-bg); }
.veredicto.perdido h2 { color: var(--danger); }
.veredicto.medias { border-color: #f0d9a8; background: var(--warn-bg); }
.veredicto.medias h2 { color: var(--warn); }

/* ---------------------------------------------------------------- MANUAL
   El manual de estudio. La fila de la lista y el enlace que aparece bajo una
   pregunta fallada comparten el mismo lenguaje: papel, no tarjeta de app. */
.manual-link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  margin-top: 10px;
  padding: 12px 14px;
  text-align: left;
  background: var(--panel);
  border: 1px solid #b8ddd7;
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.manual-link:hover { background: var(--panel-2); }
.manual-link .ml-ico { font-size: 1.2rem; line-height: 1.3; }
.manual-link .ml-txt { font-size: .92rem; line-height: 1.45; }

.manual-lista { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; }
.manual-fila {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 9px 10px;
  text-align: left;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--border);
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.manual-fila:last-child { border-bottom: 0; }
.manual-fila:hover { background: var(--panel-2); }
.manual-fila .mf-tit { font-weight: 600; }
.manual-fila .mf-flag { color: var(--warn); }
.manual-fila .mf-meta { color: var(--muted); font-size: .82rem; white-space: nowrap; }

.cap-cab .hero-tit { margin: 2px 0 8px; }

/* El capitulo se lee como texto, no como interfaz: medida corta, aire entre
   parrafos y las cifras sin cortarse de linea. */
.capitulo {
  max-width: 68ch;
  margin-inline: auto;
  font-size: 1.02rem;
  line-height: 1.62;
}
.capitulo h2 {
  margin: 22px 0 8px;
  padding-bottom: 5px;
  font-size: 1.12rem;
  border-bottom: 1px solid var(--border);
}
.capitulo h2:first-child { margin-top: 0; }
.capitulo h3 { margin: 18px 0 6px; font-size: 1rem; color: var(--accent-2); }
.capitulo p { margin: 0 0 10px; }
.capitulo ul, .capitulo ol { margin: 0 0 12px; padding-left: 20px; }
.capitulo li { margin-bottom: 5px; }
.capitulo strong { font-weight: 650; }
.capitulo table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .92rem; }
.capitulo th, .capitulo td { padding: 6px 9px; border: 1px solid var(--border); text-align: left; }
.capitulo th { background: var(--panel-2); font-weight: 600; }
.capitulo td { font-variant-numeric: tabular-nums; }
.capitulo blockquote {
  margin: 12px 0;
  padding: 9px 14px;
  border-left: 3px solid var(--warn);
  background: var(--warn-bg);
  border-radius: 0 8px 8px 0;
}
.capitulo .trampa { border-left-color: var(--danger); background: var(--danger-bg); }
.input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font: inherit;
  background: var(--panel);
  color: var(--text);
}

/* ------------------------------------------- MANUAL: indice por especialidad */
.esp-bloque > summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  padding: 2px 0;
}
.esp-bloque > summary::-webkit-details-marker { display: none; }
.esp-bloque > summary::before {
  content: "▸";
  color: var(--muted);
  margin-right: 6px;
  transition: transform .12s;
}
.esp-bloque[open] > summary::before { content: "▾"; }
.esp-bloque .eb-tit { font-weight: 700; font-size: 1.02rem; flex: 1; }
.esp-bloque .eb-meta { color: var(--muted); font-size: .82rem; white-space: nowrap; }

.manual-fila {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 0;
  border-bottom: 1px solid var(--border);
  background: none;
}
.manual-fila:last-child { border-bottom: 0; }
.manual-fila.visto .mf-tit { color: var(--muted); }
/* La casilla: cuadrada y con área de toque generosa, porque se marca con el
   pulgar en el celular después de leer. */
.mf-check {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin: 6px 0 6px 2px;
  border: 1.5px solid #c3ccce;
  border-radius: 7px;
  background: var(--panel);
  color: transparent;
  font-size: .95rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background .12s, border-color .12s;
}
.mf-check.on { background: var(--ok); border-color: var(--ok); color: #fff; }
.mf-check:hover { border-color: var(--accent); }
.mf-abrir {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex: 1;
  padding: 9px 4px 9px 0;
  text-align: left;
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.mf-abrir:hover .mf-tit { color: var(--accent); }
.mf-star { color: var(--warn); margin-right: 4px; }
.cap-cierre { border-color: #b8ddd7; }
.btn.marca-visto.on { background: var(--ok-bg); border-color: #a7dcb6; color: var(--ok); }

/* ------------------------------------------------------------------ REPASO */
.rep-lista { margin-top: 10px; }
.rep-fila {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}
.rep-fila:last-child { border-bottom: 0; }
/* Tres puntos = los tres aciertos seguidos que dan la pregunta por aprendida.
   Se ven de un vistazo: es el progreso real, no el número de intentos. */
.rep-chulos { display: flex; gap: 3px; flex: 0 0 auto; }
.rep-chulos i {
  width: 9px; height: 9px; border-radius: 50%;
  border: 1.5px solid #c3ccce; background: transparent;
}
.rep-chulos i.on { background: var(--ok); border-color: var(--ok); }
.rep-tit { flex: 1; color: var(--text); }
.rep-meta { color: var(--muted); font-size: .8rem; white-space: nowrap; }

/* ------------------------------------------------- PRETEST (Resifocus)
   Material de lectura, no de examen: el curso no publica la respuesta. El
   aviso va en todas las pantallas para que no se confunda con el banco. */
.pt-bloque { margin-top: 12px; }
.pt-aviso {
  margin: 6px 0 10px; padding: 9px 11px; border-radius: 10px;
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  border-left: 3px solid var(--warn);
  color: var(--text); font-size: .86rem; line-height: 1.45;
}
.pt-mes { margin-top: 10px; }
.pt-mes-tit {
  font-size: .76rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); font-weight: 700; margin: 0 0 4px 2px;
}
.pt-preg { margin-top: 10px; position: relative; }
.pt-num {
  position: absolute; top: 12px; right: 14px;
  font-size: .76rem; font-weight: 700; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.pt-enun { margin: 0 32px 10px 0; line-height: 1.55; }
.pt-ops { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.pt-ops li {
  display: flex; gap: 9px; align-items: flex-start;
  padding: 8px 10px; border-radius: 9px; background: var(--panel-2);
  line-height: 1.45; font-size: .93rem;
}
.pt-letra {
  flex: 0 0 auto; width: 20px; height: 20px; border-radius: 6px;
  display: grid; place-items: center; font-weight: 700; font-size: .78rem;
  background: var(--panel); color: var(--muted);
}

/* ------------------------------------------- ACTUALIZACIONES 2026
   Lo que cambió este año. El acento es distinto al del manual a propósito:
   el manual es lo estable, esto es lo que se movió. */
.act-grupo { margin-top: 16px; }
.act-grupo-tit {
  font-size: .76rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--muted); font-weight: 700; margin: 0 0 6px 2px;
}
.act-fila { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; margin-top: 8px; }
.act-fila.visto { opacity: .62; }
.act-abrir {
  flex: 1; display: grid; gap: 3px; text-align: left; background: none;
  border: 0; padding: 0; cursor: pointer; color: inherit; font: inherit;
}
.act-tit { font-weight: 650; line-height: 1.35; }
.act-co {
  display: inline-block; margin-right: 6px; padding: 1px 6px; border-radius: 5px;
  background: var(--accent); color: #fff; font-size: .68rem; font-weight: 800;
  letter-spacing: .05em; vertical-align: 1px;
}
.act-meta { color: var(--muted); font-size: .82rem; }
.act-prob { color: var(--warn); font-size: .8rem; line-height: 1.35; }
.act-cab-meta { font-size: .82rem; color: var(--muted); margin-top: 6px; }
.act-ok { color: var(--ok); margin-left: 8px; font-weight: 600; }
.act-cab-tit { margin: 3px 0 0; line-height: 1.2; }
.act-aviso {
  margin: 10px 0 0; padding: 9px 11px; border-radius: 10px;
  background: color-mix(in srgb, var(--warn) 12%, transparent);
  border-left: 3px solid var(--warn); font-size: .87rem; line-height: 1.45;
}
.act-cuerpo { margin-top: 12px; line-height: 1.6; }
.act-cuerpo h3 {
  margin: 0 0 10px; font-size: 1rem; color: var(--accent);
  border-bottom: 1px solid var(--border); padding-bottom: 6px;
}
.act-cuerpo table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: .9rem; }
.act-cuerpo th, .act-cuerpo td {
  border: 1px solid var(--border); padding: 7px 9px; text-align: left; vertical-align: top;
}
.act-cuerpo th { background: var(--panel-2); font-weight: 700; }
.act-cuerpo ul, .act-cuerpo ol { margin: 6px 0 10px; padding-left: 20px; }
.act-cuerpo li { margin-bottom: 5px; }
.act-cuerpo blockquote {
  margin: 10px 0; padding: 9px 12px; border-left: 3px solid var(--accent);
  background: var(--panel-2); border-radius: 0 8px 8px 0; font-size: .92rem;
}
.act-trampas h3 { color: var(--warn); }
.act-pie { margin-top: 12px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.act-check { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: .92rem; }
.act-check input { width: 17px; height: 17px; accent-color: var(--accent); }
.act-fuente { color: var(--accent); font-size: .86rem; text-decoration: none; }
.act-fuente:hover { text-decoration: underline; }

/* ---------------------------------- EL PAR DEL «DUDO ENTRE DOS»
   Separa perder la moneda de haber descartado la buena. */
.par-fila { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0 6px; }
.par-btn {
  width: 52px; height: 52px; border-radius: 12px; border: 2px solid var(--border);
  background: var(--panel); color: var(--text); font-size: 1.15rem; font-weight: 700;
  cursor: pointer; transition: all .12s ease;
}
.par-btn:hover { border-color: var(--accent); }
.par-btn.sel { background: var(--accent); border-color: var(--accent); color: #fff; }
.par-veredicto {
  margin: 10px 0 0; padding: 9px 11px; border-radius: 9px; font-size: .9rem; line-height: 1.5;
}
.par-veredicto.dentro { background: var(--ok-bg); border-left: 3px solid var(--ok); }
.par-veredicto.fuera { background: var(--warn-bg); border-left: 3px solid var(--warn); }
.cal-par {
  margin-top: 14px; padding: 12px 14px; border-radius: 11px;
  border-left: 3px solid var(--border); background: var(--panel-2);
}
.cal-par.ok { border-left-color: var(--ok); }
.cal-par.mal { border-left-color: var(--warn); }
.cal-par-cab { font-weight: 650; margin-bottom: 4px; }
.cal-par-num { font-size: 1.35rem; font-variant-numeric: tabular-nums; margin-bottom: 4px; }
.cal-par-pct { color: var(--muted); font-size: 1rem; margin-left: 8px; }

/* --- Usuario en la cabecera: nombre y salir --- */
.usuario { display: flex; align-items: center; gap: 8px; }
.usuario-nombre { font-size: 0.85rem; color: var(--muted); max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.usuario-salir { padding: 4px 10px; font-size: 0.8rem; }
@media (max-width: 640px) { .usuario-nombre { display: none; } }