:root {
  --navy: #2B3643;
  --cyan: #30CAD6;
  --mint: #B3FFE4;
  --charcoal: #5B6770;
  --white: #FFFFFF;
  --bg: #F5F7F8;
  --danger: #D64550;
  --radius: 10px;
  --font: 'Poppins', 'Open Sans', -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--navy);
}

/* ---------- Layout shell ---------- */
.topbar {
  background: var(--navy);
  color: var(--white);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: 0.2px; }
.topbar .brand img { height: 26px; }
.topbar .user-chip { font-size: 14px; opacity: 0.85; display: flex; align-items: center; gap: 12px; }
.topbar button.link {
  background: none; border: none; color: var(--mint); cursor: pointer; font-size: 14px; font-family: var(--font);
}

.shell { display: flex; min-height: calc(100vh - 64px); }
.sidebar {
  width: 240px;
  background: linear-gradient(180deg, var(--cyan), #229BA5);
  color: var(--white);
  padding: 20px 0;
  flex-shrink: 0;
}
.sidebar a {
  display: block;
  padding: 12px 24px;
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  opacity: 0.85;
  border-left: 3px solid transparent;
}
.sidebar a.active, .sidebar a:hover { opacity: 1; border-left-color: var(--white); background: rgba(255,255,255,0.08); }

.content { flex: 0 1 auto; padding: 32px; max-width: 980px; margin: 0 auto; width: 100%; }

/* ---------- Cards ---------- */
.panel {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(43,54,67,0.08);
}

h1 { font-size: 22px; font-weight: 600; margin: 0 0 4px; }
h2 { font-size: 17px; font-weight: 600; margin: 0 0 12px; }
p.subtitle { color: var(--charcoal); font-size: 14px; margin: 0 0 24px; }

/* ---------- Course / video list ---------- */
.curso-block { margin-bottom: 28px; }
.curso-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.curso-header .tag {
  font-size: 11px; padding: 3px 8px; border-radius: 20px; background: var(--mint); color: var(--navy); font-weight: 600;
}
.curso-header .tag.filtrado { background: #FFE1B3; }

.video-row {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px; border-radius: 8px; margin-bottom: 6px;
  border: 1px solid #E7EBED;
}
.video-row.completado { border-color: var(--cyan); background: #F1FCFC; }
.video-row.bloqueado { opacity: 0.5; }
.video-row .num { width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: var(--white); font-size: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.video-row.completado .num { background: var(--cyan); }
.video-row .info { flex: 1; }
.video-row .titulo { font-size: 14px; font-weight: 500; }
.video-row .meta { font-size: 12px; color: var(--charcoal); }
.video-row a.btn-ver { font-size: 13px; color: var(--cyan); font-weight: 600; text-decoration: none; }
.video-row.bloqueado a.btn-ver { pointer-events: none; color: #B7BCC0; }

/* ---------- Buttons ---------- */
.btn {
  background: var(--cyan); color: var(--white); border: none; border-radius: 8px;
  padding: 11px 22px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: var(--font);
}
.btn:hover { background: #229BA5; }
.btn.secondary { background: transparent; color: var(--navy); border: 1px solid #D6DBDD; }
.btn:disabled { background: #CFD4D6; cursor: not-allowed; }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--navy); }
.login-card { background: var(--white); border-radius: 14px; padding: 40px 36px; width: 340px; }
.login-card img.logo { height: 32px; margin-bottom: 22px; }
.login-card input {
  width: 100%; padding: 11px 12px; border: 1px solid #D6DBDD; border-radius: 8px; margin-bottom: 12px; font-family: var(--font); font-size: 14px;
}
.login-card .error { color: var(--danger); font-size: 13px; margin-bottom: 10px; min-height: 16px; }

/* ---------- Video player ---------- */
.player-wrap { max-width: 860px; }
.video-frame { position: relative; background: #000; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16/9; }
.video-frame iframe { width: 100%; height: 100%; border: none; }
.video-launch {
  width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; cursor: pointer; background: linear-gradient(180deg, #1B2530, var(--navy)); color: var(--white);
  text-align: center; padding: 24px;
}
.video-launch-icon {
  width: 64px; height: 64px; border-radius: 50%; background: var(--cyan); color: var(--white);
  display: flex; align-items: center; justify-content: center; font-size: 24px; padding-left: 4px;
}
.video-launch-text { font-size: 17px; font-weight: 600; }
.video-launch-hint { font-size: 13px; opacity: 0.75; max-width: 360px; }
.video-launch.reproduciendo .video-launch-icon { background: var(--mint); color: var(--navy); }
.checkpoint-msg {
  position: absolute; bottom: 20px; left: 20px; right: 20px;
  background: rgba(43,54,67,0.92); color: var(--white); padding: 14px 18px; border-radius: 8px; font-size: 14px;
  display: none;
}
.checkpoint-msg.show { display: block; }

.examen { margin-top: 24px; }
.pregunta { margin-bottom: 18px; }
.pregunta p { font-weight: 500; margin-bottom: 8px; }
.opcion { display: block; padding: 10px 12px; border: 1px solid #D6DBDD; border-radius: 8px; margin-bottom: 6px; cursor: pointer; font-size: 14px; }
.opcion input { margin-right: 8px; }
.opcion.correcta { border-color: var(--cyan); background: #F1FCFC; }
.opcion.incorrecta { border-color: var(--danger); background: #FDEEEF; }

/* ---------- Accordion (admin filters) ---------- */
.accordion-item { border: 1px solid #E7EBED; border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
.accordion-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 16px; cursor: pointer; background: var(--white); font-size: 14px; font-weight: 500;
}
.accordion-header:after { content: '＋'; color: var(--cyan); font-size: 16px; }
.accordion-item.open .accordion-header:after { content: '－'; }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; background: #FBFCFC; }
.accordion-item.open .accordion-body { max-height: 600px; padding: 14px 16px; }

/* ---------- Stat cards ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--white); border-radius: var(--radius); padding: 18px; box-shadow: 0 1px 3px rgba(43,54,67,0.08); }
.stat-card .num { font-size: 28px; font-weight: 700; color: var(--navy); }
.stat-card .label { font-size: 13px; color: var(--charcoal); margin-top: 2px; }

table.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.admin-table th { text-align: left; padding: 10px 12px; color: var(--charcoal); font-weight: 600; border-bottom: 1px solid #E7EBED; }
table.admin-table td { padding: 10px 12px; border-bottom: 1px solid #F0F2F3; }
.badge { padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.ok { background: var(--mint); color: var(--navy); }
.badge.pend { background: #FFE1B3; color: var(--navy); }

@media (max-width: 720px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; display: flex; overflow-x: auto; padding: 8px; }
  .sidebar a { padding: 10px 16px; white-space: nowrap; border-left: none; border-bottom: 3px solid transparent; }
  .sidebar a.active { border-bottom-color: var(--white); }
}

/* ---------- Resumen / horas de capacitación ---------- */
.resumen-periodo-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 4px; }
.resumen-periodo-header h2 { margin: 0; }
.filtro-periodo { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.filtro-periodo select, .filtro-periodo input {
  padding: 8px 10px; border: 1px solid #D6DBDD; border-radius: 8px; font-family: var(--font); font-size: 13px; background: var(--white);
}
.modulo-resumen-row { padding: 12px 0; border-bottom: 1px solid #F0F2F3; }
.modulo-resumen-row:last-child { border-bottom: none; }
.modulo-resumen-info { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 6px; }
.modulo-resumen-nombre { font-size: 14px; font-weight: 500; }
.barra-progreso { height: 8px; background: #EDEFF0; border-radius: 4px; overflow: hidden; }
.barra-progreso-relleno { height: 100%; background: var(--cyan); border-radius: 4px; }

/* ============================================================
   UNIVERSIDAD PURIFIKA v2 — Categorías, progreso circular,
   matriz de acceso, CRUD de usuarios
   ============================================================ */

/* ---------- Buscador ---------- */
.buscador-wrap { margin-bottom: 20px; }
.buscador-wrap input {
  width: 100%; padding: 12px 16px; border: 1px solid #D6DBDD; border-radius: 10px;
  font-family: var(--font); font-size: 14px; background: var(--white);
}
.buscador-wrap input:focus { outline: none; border-color: var(--cyan); }

/* ---------- Resumen general (Mi resumen) ---------- */
.resumen-general { display: flex; align-items: center; gap: 20px; }
.resumen-general .texto { flex: 1; }
.resumen-general .barra-progreso { height: 10px; margin-top: 8px; }
.resumen-general .porcentaje { font-size: 26px; font-weight: 700; color: var(--navy); }

/* ---------- Progreso circular ---------- */
.progreso-circular { position: relative; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.progreso-circular svg { transform: rotate(-90deg); }
.progreso-circular .pista { fill: none; stroke: #E7EBED; }
.progreso-circular .relleno { fill: none; stroke: var(--cyan); stroke-linecap: round; transition: stroke-dashoffset 0.4s ease; }
.progreso-circular .valor { position: absolute; font-weight: 700; color: var(--navy); }
.progreso-circular.completo .relleno { stroke: var(--mint); }

/* ---------- Acordeón de categorías (dashboard) ---------- */
.categoria-bloque { border: 1px solid #E7EBED; border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; background: var(--white); }
.categoria-header {
  display: flex; align-items: center; gap: 14px; padding: 16px 20px; cursor: pointer;
  background: var(--white); user-select: none;
}
.categoria-header:hover { background: #FAFBFB; }
.categoria-header .info { flex: 1; }
.categoria-header .nombre { font-size: 15px; font-weight: 600; color: var(--navy); }
.categoria-header .sub { font-size: 12px; color: var(--charcoal); margin-top: 2px; }
.categoria-header .flecha { font-size: 13px; color: var(--cyan); transition: transform 0.2s ease; }
.categoria-bloque.abierto .categoria-header .flecha { transform: rotate(180deg); }
.categoria-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; background: #FBFCFC; }
.categoria-bloque.abierto .categoria-body { max-height: 4000px; }
.categoria-body-inner { padding: 6px 20px 16px; }

/* ---------- Sidebar de categorías (ancla lateral) ---------- */
.categorias-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.categorias-nav button {
  padding: 8px 14px; border-radius: 20px; border: 1px solid #D6DBDD; background: var(--white);
  font-family: var(--font); font-size: 12px; font-weight: 500; color: var(--navy); cursor: pointer;
}
.categorias-nav button.activo { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* ---------- Matriz de acceso (admin) ---------- */
.matriz-scroll { overflow-x: auto; }
table.matriz-tabla { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 760px; }
table.matriz-tabla th { text-align: left; padding: 10px 12px; color: var(--charcoal); font-weight: 600; border-bottom: 1px solid #E7EBED; white-space: nowrap; }
table.matriz-tabla th.col-cat { text-align: center; font-size: 11px; writing-mode: vertical-rl; text-orientation: mixed; padding: 10px 6px; }
table.matriz-tabla td { padding: 9px 12px; border-bottom: 1px solid #F0F2F3; }
table.matriz-tabla td.col-cat { text-align: center; }
table.matriz-tabla tr.fila-cambiada td { background: #FFF8EC; }
table.matriz-tabla input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }
.matriz-acciones { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

/* ---------- Filtro "ver como puesto" (solo admin) ---------- */
.filtro-vista-admin {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px; margin-bottom: 16px;
  background: #FFF8EC; border: 1px solid #FFE1B3; border-radius: 8px; font-size: 13px;
}
.filtro-vista-admin select {
  padding: 7px 10px; border: 1px solid #D6DBDD; border-radius: 6px; font-family: var(--font); font-size: 13px; background: var(--white);
}
.filtro-vista-admin .tag-admin { background: var(--navy); color: var(--white); font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 10px; letter-spacing: 0.3px; }

/* ---------- Tabs (admin: Usuarios / Matriz / Contenido) ---------- */
.admin-tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid #E7EBED; }
.admin-tabs button {
  padding: 11px 18px; border: none; background: none; font-family: var(--font); font-size: 14px; font-weight: 500;
  color: var(--charcoal); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.admin-tabs button.activo { color: var(--navy); border-bottom-color: var(--cyan); font-weight: 600; }
.admin-panel { display: none; }
.admin-panel.activo { display: block; }

/* ---------- Modal (alta/edición de usuario) ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(43,54,67,0.55); display: none;
  align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-overlay.show { display: flex; }
.modal-box { background: var(--white); border-radius: 14px; padding: 28px; width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto; }
.modal-box h2 { margin-bottom: 4px; }
.modal-box .subtitle { margin-bottom: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { display: block; font-size: 12px; font-weight: 600; color: var(--charcoal); margin-bottom: 5px; }
.form-grid input, .form-grid select {
  width: 100%; padding: 10px 12px; border: 1px solid #D6DBDD; border-radius: 8px;
  font-family: var(--font); font-size: 14px; margin-bottom: 4px;
}
.form-grid input:focus, .form-grid select:focus { outline: none; border-color: var(--cyan); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.form-error { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 16px; }

/* ---------- Botones pequeños de tabla ---------- */
.btn-mini { font-size: 12px; padding: 5px 12px; border-radius: 6px; border: 1px solid #D6DBDD; background: var(--white); color: var(--navy); cursor: pointer; font-family: var(--font); }
.btn-mini:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-mini.peligro:hover { border-color: var(--danger); color: var(--danger); }

@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .resumen-general { flex-direction: column; align-items: flex-start; }
}