/* ============================================================
   Aula Invertida — Estilos globales
   Paleta: Verde Adobe  |  Tipografía: Sora + DM Sans
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800;900&family=DM+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap');

/* ── Tokens canónicos ───────────────────────────────────────── */
:root {
  /* Marca */
  --forest:     #253c96;
  --forest-mid: #1e3182;
  --mint:       #f36b2e;
  --mint-soft:  #fef0e8;
  --amber:      #f59a1e;
  --amber-bg:   #fef6e0;
  --terra:      #f36b2e;
  --terra-bg:   #fef0e8;

  /* Neutros */
  --white:      #ffffff;
  --cream:      #f0f4ff;
  --txt1:       #19244e;
  --txt2:       #3a4f80;
  --txt3:       #7b8fc0;
  --border:     #c4e7e5;
  --border-h:   #9dd4d2;

  /* Semánticos */
  --success:    #253c96;
  --success-bg: #eef1ff;
  --error:      #b53a2a;
  --error-bg:   #fce9e7;
  --warning:    #f59a1e;
  --warning-bg: #fef6e0;
  --info:       #f36b2e;
  --info-bg:    #fef0e8;

  /* Tipografía */
  --font-title: 'Sora', system-ui, sans-serif;
  --font-body:  'DM Sans', system-ui, sans-serif;

  /* Radios */
  --r-xs:  6px;
  --r-sm:  10px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r:     12px;

  /* Sombras */
  --sh1: 0 1px 4px rgba(37,60,150,.07);
  --sh2: 0 8px 24px rgba(37,60,150,.12);
  --sh3: 0 20px 56px rgba(37,60,150,.16);

  /* Transición estándar */
  --trans: all .2s cubic-bezier(.4,0,.2,1);

  /* ── Aliases de compatibilidad (páginas internas) ─────────── */
  --azul-noche:  var(--forest);
  --azul-cielo:  var(--mint);
  --azul-claro:  var(--mint-soft);
  --azul-medio:  var(--forest-mid);
  --blanco:      var(--white);
  --gris-fondo:  var(--cream);
  --gris-borde:  var(--border);
  --gris-texto:  var(--txt2);
  --gris-muted:  var(--txt3);
  --verde:       var(--forest);
  --verde-bg:    var(--mint-soft);
  --rojo:        var(--error);
  --rojo-bg:     var(--error-bg);
  --fuente-titulo: var(--font-title);
  --fuente-cuerpo: var(--font-body);
  --radio-sm:    var(--r-sm);
  --radio-md:    var(--r-md);
  --radio-lg:    var(--r-lg);
  --radio-xl:    var(--r-xl);
  --sombra-sm:   var(--sh1);
  --sombra-md:   var(--sh2);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--txt1);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ── Tipografía ─────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--txt1);
}
h1 { font-size: clamp(28px, 5vw, 44px); }
h2 { font-size: clamp(22px, 3vw, 32px); }
h3 { font-size: 20px; }
h4 { font-size: 15px; }

.eyebrow {
  font-family: var(--font-title);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mint);
}

/* ── Botones ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 100px;
  font-family: var(--font-title);
  font-size: 13px;
  font-weight: 700;
  border: none;
  transition: var(--trans);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--forest);
  color: var(--white);
}
.btn-primary:hover { background: var(--mint); transform: translateY(-1px); }

.btn-secondary {
  background: var(--mint);
  color: var(--white);
}
.btn-secondary:hover { background: var(--forest); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--txt2);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--mint); color: var(--forest); }

.btn-ghost {
  background: transparent;
  color: var(--txt2);
}
.btn-ghost:hover { color: var(--forest); background: rgba(243,107,46,.08); }

.btn-amber {
  background: var(--amber);
  color: var(--white);
}
.btn-amber:hover { background: #c08820; transform: translateY(-1px); }

.btn-danger {
  background: var(--error);
  color: var(--white);
}
.btn-danger:hover { background: #9a2e20; }

.btn-sm  { padding: 7px 16px; font-size: 12px; }
.btn-lg  { padding: 14px 32px; font-size: 15px; }
.btn-full { width: 100%; }

/* ── Inputs ─────────────────────────────────────────────────── */
.input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--txt1);
  background: var(--white);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(243,107,46,.14);
}
.input::placeholder { color: var(--txt3); }

.input-group { margin-bottom: 16px; }
.input-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--txt2);
  margin-bottom: 6px;
}
.input-hint  { font-size: 11px; color: var(--txt3); margin-top: 4px; }
.input-error { font-size: 11px; color: var(--error); margin-top: 4px; }

select.input { cursor: pointer; }
textarea.input { resize: vertical; min-height: 90px; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  box-shadow: var(--sh1);
}
.card-sm { padding: 1rem; border-radius: var(--r-sm); }
.card-lg { padding: 1.75rem; border-radius: var(--r-lg); }

/* ── Badges / Pills ─────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: .03em;
}
.badge-green  { background: var(--mint-soft);  color: var(--forest); }
.badge-blue   { background: var(--mint-soft);  color: var(--forest-mid); }
.badge-amber  { background: var(--amber-bg);   color: #7a4e00; }
.badge-red    { background: var(--error-bg);   color: var(--error); }
.badge-gray   { background: var(--cream);      color: var(--txt2); }
.badge-terra  { background: var(--terra-bg);   color: var(--terra); }

/* ── Nav (páginas app internas) ─────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo-name {
  font-family: var(--font-title);
  font-size: 16px;
  font-weight: 800;
  color: var(--forest);
  letter-spacing: -.02em;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-link { font-size: 13px; color: var(--txt2); transition: color .15s; }
.nav-link:hover { color: var(--forest); }
.nav-link.active { color: var(--forest); font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

/* ── Navbar flotante (páginas públicas) ─────────────────────── */
.navbar {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 600;
  width: calc(100% - 40px);
  max-width: 1280px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0,0,0,.07);
  border-radius: 100px;
  padding: 8px 8px 8px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 20px rgba(37,60,150,.08);
  transition: var(--trans);
}
.navbar.scrolled {
  background: rgba(255,255,255,.98);
  box-shadow: 0 6px 28px rgba(37,60,150,.12);
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.section     { padding: 72px 0; }
.section-alt { padding: 72px 0; background: var(--cream); }

/* ── Sidebar (app layout) ───────────────────────────────────── */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

.sidebar {
  background: var(--forest);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px 24px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 14px;
}
.sb-name {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.01em;
}
.sb-section {
  font-size: 9px;
  font-family: var(--font-title);
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  padding: 0 18px;
  margin: 10px 0 5px;
}
.sb-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: var(--trans);
  text-decoration: none;
}
.sb-item:hover { color: rgba(255,255,255,.9); background: rgba(255,255,255,.06); }
.sb-item.active {
  color: var(--white);
  background: rgba(243,107,46,.2);
  border-left-color: var(--mint);
}
.sb-icon { width: 15px; height: 15px; flex-shrink: 0; opacity: .6; }
.sb-item.active .sb-icon { opacity: 1; }
.sb-bottom {
  margin-top: auto;
  padding: 14px 18px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.sb-user { display: flex; align-items: center; gap: 8px; }
.sb-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(243,107,46,.25);
  border: 1.5px solid rgba(243,107,46,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}
.sb-uname  { font-size: 12px; color: rgba(255,255,255,.75); }
.sb-urole  { font-size: 10px; color: rgba(255,255,255,.35); }
.sb-logout {
  font-size: 11px;
  color: rgba(255,255,255,.3);
  cursor: pointer;
  margin-top: 8px;
  background: none;
  border: none;
  padding: 0;
  transition: color .15s;
}
.sb-logout:hover { color: rgba(255,255,255,.65); }

/* ── Toasts ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  min-width: 260px;
  animation: slideIn .2s ease;
  box-shadow: var(--sh2);
}
.toast-success { background: var(--mint-soft);  color: var(--forest);  border: 1px solid var(--border-h); }
.toast-error   { background: var(--error-bg);   color: var(--error);   border: 1px solid #f0b0a8; }
.toast-info    { background: var(--mint-soft);  color: var(--forest-mid); border: 1px solid var(--border); }
.toast-amber   { background: var(--amber-bg);   color: #7a4e00;        border: 1px solid #e8c870; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);   opacity: 1; }
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--mint);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Skeleton ───────────────────────────────────────────────── */
.sk {
  background: linear-gradient(90deg, #eaeeff 25%, #d8dff8 50%, #eaeeff 75%);
  background-size: 200% 100%;
  animation: shim 1.4s infinite;
  border-radius: var(--r-sm);
}
@keyframes shim {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Estrellas ──────────────────────────────────────────────── */
.stars { color: var(--amber); letter-spacing: 1px; }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,28,18,.72);
  z-index: 900;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: 18px;
  width: 92%;
  max-width: 480px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(10,28,18,.28);
  max-height: 94vh;
  overflow-y: auto;
}
.modal-head {
  background: var(--forest);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.modal-head-t  { font-family: var(--font-title); font-size: 15px; font-weight: 700; color: var(--white); }
.modal-head-s  { font-size: 11px; color: rgba(255,255,255,.45); margin-top: 2px; }
.modal-x       { color: rgba(255,255,255,.45); font-size: 24px; cursor: pointer; line-height: 1; transition: color .15s; }
.modal-x:hover { color: var(--white); }
.modal-body    { padding: 22px; }
.modal-foot    { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Divider ────────────────────────────────────────────────── */
.divider { display: flex; align-items: center; gap: 12px; margin: 16px 0; }
.div-line { flex: 1; height: 1px; background: var(--border); }
.div-text { font-size: 11px; color: var(--txt3); }

/* ── Chips (filtros activos) ────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 4px 10px;
  font-family: var(--font-title);
  font-size: 11px;
  font-weight: 600;
  color: var(--forest);
  cursor: pointer;
  transition: var(--trans);
  white-space: nowrap;
}
.chip:hover { border-color: var(--terra); color: var(--terra); }

/* ── Utilidades ─────────────────────────────────────────────── */
.text-muted     { color: var(--txt3); }
.text-secondary { color: var(--txt2); }
.text-sm        { font-size: 13px; }
.text-xs        { font-size: 11px; }
.text-center    { text-align: center; }
.flex           { display: flex; }
.flex-center    { display: flex; align-items: center; justify-content: center; }
.flex-between   { display: flex; align-items: center; justify-content: space-between; }
.gap-sm         { gap: 8px; }
.gap-md         { gap: 16px; }
.gap-lg         { gap: 24px; }
.mt-sm          { margin-top: 8px; }
.mt-md          { margin-top: 16px; }
.mt-lg          { margin-top: 24px; }
.mb-sm          { margin-bottom: 8px; }
.mb-md          { margin-bottom: 16px; }
.mb-lg          { margin-bottom: 24px; }
.hidden         { display: none !important; }
.sr-only        { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav        { padding: 12px 20px; }
  .container  { padding: 0 20px; }
  .section, .section-alt { padding: 48px 0; }
  .nav-links  { display: none; }
  .app        { grid-template-columns: 1fr; }
  .sidebar    { display: none; }
  .navbar     { top: 8px; width: calc(100% - 24px); }
}