/* ============================================================
   CCSE Test – Hoja de estilos completa
   inmigrantes.net
   ============================================================ */

:root {
  --c-primary:   #2563eb;
  --c-primary-d: #1d4ed8;
  --c-success:   #16a34a;
  --c-danger:    #dc2626;
  --c-warning:   #d97706;
  --c-bg:        #f8fafc;
  --c-surface:   #ffffff;
  --c-border:    #e2e8f0;
  --c-text:      #1e293b;
  --c-muted:     #64748b;
  --c-correct:   #dcfce7;
  --c-incorrect: #fee2e2;
  --radius:      10px;
  --shadow:      0 2px 8px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ── */
.navbar {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.nav-logo { font-size: 1.1rem; color: var(--c-text); }
.nav-logo strong { color: var(--c-primary); }
.nav-logo span { background: var(--c-primary); color: #fff; font-size: .75rem;
  padding: 1px 6px; border-radius: 4px; margin-left: 4px; }
.nav-links { display: flex; align-items: center; gap: 1rem; }
.nav-links a { color: var(--c-muted); font-size: .92rem; }
.nav-links a:hover { color: var(--c-text); text-decoration: none; }
.nav-user { font-size: .85rem; color: var(--c-muted); }

/* ── Main ── */
.main-content { max-width: 900px; margin: 0 auto; padding: 2rem 1.25rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .55rem 1.25rem;
  border-radius: var(--radius);
  font-size: .92rem; font-weight: 500;
  border: 2px solid transparent;
  cursor: pointer; transition: all .15s;
  text-decoration: none;
}
.btn-primary  { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-d); border-color: var(--c-primary-d); text-decoration: none; }
.btn-outline  { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; text-decoration: none; }
.btn-warning  { background: var(--c-warning); color: #fff; border-color: var(--c-warning); }
.btn-sm       { padding: .35rem .85rem; font-size: .83rem; }
.btn-full     { width: 100%; justify-content: center; }

/* ── Dashboard ── */
.dashboard-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 1rem; margin-bottom: 2rem;
}
.dashboard-header h1 { font-size: 1.6rem; }
.subtitle { color: var(--c-muted); font-size: .92rem; margin-top: .2rem; }
.quick-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

h2 { font-size: 1.15rem; margin: 1.75rem 0 .85rem; color: var(--c-text); }

.tareas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.tarea-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}
.tarea-num  { font-size: .78rem; font-weight: 600; color: var(--c-primary); text-transform: uppercase; letter-spacing: .04em; }
.tarea-titulo { font-size: .95rem; font-weight: 600; margin: .35rem 0 .6rem; }
.tarea-stats { display: flex; justify-content: space-between; font-size: .8rem; color: var(--c-muted); margin-bottom: .5rem; }
.dominadas { color: var(--c-success); }

.progress-bar { background: #e2e8f0; border-radius: 99px; height: 7px; overflow: hidden; margin-bottom: .75rem; position: relative; }
.progress-fill { position: absolute; top: 0; left: 0; height: 100%; border-radius: 99px; }
.progress-fill.seen     { background: #bfdbfe; }
.progress-fill.mastered { background: var(--c-success); }

.tarea-btns { display: flex; gap: .5rem; margin-top: .5rem; }

/* ── Tabla sesiones ── */
.tabla-sesiones { width: 100%; border-collapse: collapse; font-size: .9rem; margin-top: .5rem; }
.tabla-sesiones th { text-align: left; padding: .5rem .75rem; border-bottom: 2px solid var(--c-border); color: var(--c-muted); font-size: .8rem; text-transform: uppercase; }
.tabla-sesiones td { padding: .55rem .75rem; border-bottom: 1px solid var(--c-border); }

/* ── Badges ── */
.badge { display: inline-block; padding: .2rem .6rem; border-radius: 99px; font-size: .78rem; font-weight: 600; }
.badge-ok      { background: #dcfce7; color: #166534; }
.badge-fail    { background: #fee2e2; color: #991b1b; }
.badge-pending { background: #fef9c3; color: #854d0e; }

/* ── Test ── */
.test-container { max-width: 680px; margin: 0 auto; }

.test-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: .75rem; flex-wrap: wrap; gap: .5rem;
}
.test-info { display: flex; align-items: center; gap: .75rem; }
.test-actions { display: flex; align-items: center; gap: .75rem; }

.badge-tarea    { background: #dbeafe; color: #1e40af; padding: .25rem .75rem; border-radius: 99px; font-size: .82rem; font-weight: 600; }
.badge-simulacro{ background: #fce7f3; color: #9d174d; padding: .25rem .75rem; border-radius: 99px; font-size: .82rem; font-weight: 600; }
.badge-repaso   { background: #fef3c7; color: #92400e; padding: .25rem .75rem; border-radius: 99px; font-size: .82rem; font-weight: 600; }

.pregunta-counter { font-size: .88rem; color: var(--c-muted); }

.progress-bar-test { background: #e2e8f0; height: 5px; border-radius: 99px; margin-bottom: 1.25rem; overflow: hidden; }
.progress-fill-test { background: var(--c-primary); height: 100%; border-radius: 99px; transition: width .3s; }

.temporizador {
  font-size: 1.1rem; font-weight: 700; font-variant-numeric: tabular-nums;
  color: var(--c-text); padding: .2rem .6rem; background: #f1f5f9; border-radius: 6px;
}
.temporizador.urgente { color: var(--c-danger); animation: pulsar .8s infinite; }
@keyframes pulsar { 0%,100%{opacity:1} 50%{opacity:.6} }

.pregunta-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}
.pregunta-id { font-size: .75rem; color: var(--c-muted); margin-bottom: .5rem; }
.pregunta-texto {
  font-size: 1.12rem; font-weight: 600; margin-bottom: 1.5rem; line-height: 1.5;
}

.opciones { display: flex; flex-direction: column; gap: .65rem; }

.opcion {
  display: flex; align-items: center; gap: 1rem;
  background: #f8fafc; border: 2px solid var(--c-border);
  border-radius: var(--radius); padding: .85rem 1rem;
  cursor: pointer; text-align: left; transition: all .12s;
  font-size: .97rem; width: 100%;
}
.opcion:hover:not(:disabled) { border-color: var(--c-primary); background: #eff6ff; }
.opcion:disabled { cursor: default; }
.opcion.correcta  { border-color: var(--c-success); background: var(--c-correct); }
.opcion.incorrecta{ border-color: var(--c-danger);  background: var(--c-incorrect); }

.opcion-letra {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--c-border); color: var(--c-text);
  font-weight: 700; font-size: .82rem; flex-shrink: 0;
  transition: all .12s;
}
.opcion.correcta .opcion-letra  { background: var(--c-success); color: #fff; }
.opcion.incorrecta .opcion-letra{ background: var(--c-danger);  color: #fff; }

.feedback {
  display: flex; flex-direction: column; align-items: center; gap: .75rem;
  margin-top: 1.25rem; padding-top: 1.25rem;
  border-top: 1px solid var(--c-border); text-align: center;
}
.feedback-icono { font-size: 2rem; }
.feedback-icono.ok   { color: var(--c-success); }
.feedback-icono.fail { color: var(--c-danger); }
.feedback-texto { font-size: .95rem; color: var(--c-text); max-width: 420px; }

.puntuacion-viva {
  display: flex; gap: 1.5rem; justify-content: center;
  font-size: .85rem; color: var(--c-muted); flex-wrap: wrap;
}

/* ── Resultados ── */
.resultados-container { max-width: 720px; margin: 0 auto; }

.resultado-hero {
  text-align: center; padding: 2.5rem 1.5rem;
  border-radius: var(--radius); margin-bottom: 1.5rem;
}
.resultado-hero.aprobado { background: linear-gradient(135deg, #dcfce7, #bbf7d0); }
.resultado-hero.suspenso { background: linear-gradient(135deg, #fee2e2, #fecaca); }
.resultado-icono { font-size: 3rem; margin-bottom: .5rem; }
.resultado-hero h1 { font-size: 1.75rem; margin-bottom: .75rem; }
.puntos-numero { font-size: 3.5rem; font-weight: 800; display: block; line-height: 1.1; }
.puntos-detalle { font-size: 1rem; color: var(--c-muted); }
.resultado-nota { margin-top: .75rem; font-size: .95rem; color: var(--c-muted); }

.resultado-acciones { display: flex; gap: .75rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2rem; }

.detalle-resultados h2 { font-size: 1.1rem; }
.lista-resultados { display: flex; flex-direction: column; gap: .5rem; margin-top: .75rem; }

.resultado-item {
  background: var(--c-surface); border-radius: 8px;
  padding: .85rem 1rem; border-left: 4px solid var(--c-border);
  border: 1px solid var(--c-border);
}
.resultado-item.ok   { border-left-color: var(--c-success); }
.resultado-item.fail { border-left-color: var(--c-danger); }

.resultado-item-header {
  display: flex; align-items: center; gap: .75rem; margin-bottom: .35rem; flex-wrap: wrap;
}
.resultado-icono-mini { font-size: 1rem; }
.resultado-qid { font-size: .75rem; color: var(--c-muted); }
.resultado-resp { font-size: .8rem; color: var(--c-muted); margin-left: auto; }
.resultado-enunciado { font-size: .9rem; color: var(--c-text); margin-bottom: .5rem; }

.resultado-opciones { display: flex; flex-direction: column; gap: .25rem; margin-top: .5rem; }
.resultado-opcion { font-size: .85rem; padding: .3rem .5rem; border-radius: 5px; }
.resultado-opcion.correcta { background: var(--c-correct); font-weight: 600; }
.resultado-opcion.marcada  { background: var(--c-incorrect); }

/* ── Progreso ── */
.progreso-container { max-width: 900px; }
.progreso-tarea-card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 1.1rem; margin-bottom: .85rem;
  box-shadow: var(--shadow);
}
.pt-header { display: flex; align-items: baseline; gap: .6rem; margin-bottom: .6rem; }
.pt-num { font-size: .78rem; font-weight: 700; color: var(--c-primary); text-transform: uppercase; }
.pt-titulo { font-size: .95rem; font-weight: 600; }
.pt-barra-wrap { display: flex; align-items: center; gap: .75rem; margin-bottom: .5rem; }
.pt-barra { flex: 1; background: #e2e8f0; height: 10px; border-radius: 99px; overflow: hidden; position: relative; }
.pt-fill { position: absolute; top: 0; left: 0; height: 100%; border-radius: 99px; }
.pt-fill.vistas   { background: #bfdbfe; }
.pt-fill.dominadas{ background: var(--c-success); }
.pt-pct { font-size: .85rem; font-weight: 600; color: var(--c-muted); min-width: 36px; text-align: right; }
.pt-stats { display: flex; gap: 1rem; font-size: .82rem; color: var(--c-muted); flex-wrap: wrap; margin-bottom: .65rem; }

.simulacros-chart {
  display: flex; align-items: flex-end; gap: 8px; height: 160px;
  padding: .75rem; background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); margin-bottom: 1.5rem; position: relative; overflow: hidden;
}
.sim-barra-wrap { display: flex; flex-direction: column; align-items: center; flex: 1; height: 100%; justify-content: flex-end; }
.sim-barra { width: 100%; min-height: 4px; background: var(--c-primary); border-radius: 4px 4px 0 0; display: flex; align-items: flex-start; justify-content: center; padding-top: 2px; }
.sim-barra span { font-size: .65rem; color: #fff; font-weight: 700; }
.sim-fecha { font-size: .65rem; color: var(--c-muted); margin-top: 3px; }
.sim-umbral { position: absolute; left: 0; right: 0; border-top: 2px dashed var(--c-warning); font-size: .7rem; color: var(--c-warning); padding-left: .5rem; }

.falladas-lista { display: flex; flex-direction: column; gap: .5rem; margin-top: .5rem; }
.fallada-item { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 8px; padding: .75rem 1rem; }
.fallada-meta { display: flex; gap: .75rem; font-size: .78rem; color: var(--c-muted); margin-bottom: .25rem; }
.fallada-enunciado { font-size: .9rem; }

/* ── Auth ── */
.auth-page { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; }
.auth-container { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 2rem; width: 100%; max-width: 420px; box-shadow: var(--shadow); }
.auth-logo { text-align: center; margin-bottom: 1.5rem; }
.auth-logo h1 { font-size: 1.75rem; }
.auth-logo h1 span { color: var(--c-primary); }
.auth-logo p { color: var(--c-muted); font-size: .9rem; }
.auth-tabs { display: flex; border-bottom: 2px solid var(--c-border); margin-bottom: 1.5rem; }
.auth-tabs .tab { flex: 1; text-align: center; padding: .6rem; font-size: .92rem; color: var(--c-muted); cursor: pointer; }
.auth-tabs .tab.active { color: var(--c-primary); border-bottom: 2px solid var(--c-primary); margin-bottom: -2px; font-weight: 600; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-group label { font-size: .85rem; font-weight: 500; }
.form-group input { padding: .65rem .85rem; border: 1.5px solid var(--c-border); border-radius: 7px; font-size: .97rem; transition: border .15s; }
.form-group input:focus { outline: none; border-color: var(--c-primary); }
.legal { font-size: .75rem; color: var(--c-muted); text-align: center; }
.alert { padding: .75rem 1rem; border-radius: 8px; font-size: .9rem; margin-bottom: 1rem; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-ok    { background: #dcfce7; color: #166534; border: 1px solid #86efac; }

/* ── Admin ── */
.admin-container { max-width: 900px; margin: 0 auto; }
.admin-stats { display: grid; grid-template-columns: repeat(auto-fill,minmax(160px,1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1.1rem; text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: var(--c-primary); }
.admin-section { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem; }
.admin-section h2 { margin-top: 0; }
.admin-form { display: flex; flex-direction: column; gap: .85rem; max-width: 560px; }
.hint { font-size: .82rem; color: var(--c-muted); margin-top: .5rem; }
.tabla-admin { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tabla-admin th { text-align: left; padding: .45rem .75rem; border-bottom: 2px solid var(--c-border); color: var(--c-muted); font-size: .78rem; }
.tabla-admin td { padding: .5rem .75rem; border-bottom: 1px solid var(--c-border); }

/* ── Footer ── */
.footer { text-align: center; padding: 2rem 1rem; color: var(--c-muted); font-size: .82rem; border-top: 1px solid var(--c-border); margin-top: 3rem; }

/* ── Ad banners ── */
.ad-banner-top {
  width: 100%; text-align: center;
  padding: .5rem 1rem;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
}
.ad-banner-inline {
  width: 100%; text-align: center;
  padding: 1rem 0;
  margin: 1.25rem 0;
}
.ad-banner-inline::before {
  content: 'Publicidad';
  display: block; font-size: .68rem; color: var(--c-muted);
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: .35rem;
}

/* ── Turnstile widget ── */
.cf-turnstile { margin: .25rem 0; }

/* ── Mobile navigation ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none; border: none; cursor: pointer; padding: 4px;
  border-radius: 6px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--c-text); border-radius: 2px;
  transition: transform .25s, opacity .2s;
  transform-origin: center;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  position: fixed; top: 56px; left: 0; right: 0; z-index: 99;
  max-height: calc(100vh - 56px); overflow-y: auto;
  transform: translateY(-10px); opacity: 0;
  transition: transform .2s ease, opacity .2s ease;
  pointer-events: none;
}
.nav-mobile.open {
  display: flex; transform: translateY(0); opacity: 1; pointer-events: auto;
}
.nav-mobile a {
  padding: 1rem 1.5rem; font-size: 1rem; font-weight: 500;
  color: var(--c-text); border-bottom: 1px solid var(--c-border);
  text-decoration: none; transition: background .12s;
}
.nav-mobile a:hover { background: var(--c-bg); }
.nav-mobile-user {
  padding: 1rem 1.5rem; display: flex; align-items: center;
  justify-content: space-between; border-top: 2px solid var(--c-border);
  background: var(--c-bg);
}
.nav-mobile-user span { font-size: .88rem; color: var(--c-muted); }
body.menu-open { overflow: hidden; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav-desktop { display: none !important; }
  .main-content { padding: 1.25rem 1rem; }
  .pregunta-card { padding: 1.25rem 1rem; }
  .pregunta-texto { font-size: .97rem; }
  .opcion { padding: .75rem .85rem; font-size: .93rem; }
  .opcion-letra { width: 26px; height: 26px; font-size: .78rem; }
  .test-header { gap: .4rem; }
  .tareas-grid { grid-template-columns: 1fr; }
  .dashboard-header { flex-direction: column; }
  .quick-actions { flex-direction: column; width: 100%; }
  .quick-actions .btn { width: 100%; justify-content: center; }
  .resultado-hero { padding: 1.75rem 1rem; }
  .puntos-numero { font-size: 2.2rem; }
  .auth-container { margin: 1rem; padding: 1.5rem 1.25rem; max-width: 100%; }
  .simulacros-chart { height: 100px; }
  .resultado-acciones { flex-direction: column; }
  .resultado-acciones .btn { width: 100%; justify-content: center; }
  .puntuacion-viva { gap: .75rem; font-size: .8rem; }
  .test-actions .btn { padding: .3rem .7rem; font-size: .8rem; }
}