/* ============================================
   FCE LMS — lms.css
   Extiende styles.css — no duplicar variables
============================================ */

/* ── APP SHELL ────────────────────────────── */
.lms-main { padding-top: var(--navbar-h); min-height: 100vh; }

/* ── AUTH PAGES ───────────────────────────── */
.auth-wrap {
  min-height: calc(100vh - var(--navbar-h));
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 40px 16px;
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--sh-lg);
}
.auth-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin: 0 auto 24px;
  display: block;
}
.auth-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.04em;
  text-align: center;
  margin-bottom: 6px;
}
.auth-sub {
  font-size: .85rem;
  color: var(--text-3);
  text-align: center;
  margin-bottom: 28px;
}
.auth-sep {
  text-align: center;
  font-size: .78rem;
  color: var(--text-3);
  margin: 16px 0;
  position: relative;
}
.auth-sep::before, .auth-sep::after {
  content:'';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--border);
}
.auth-sep::before { left: 0; }
.auth-sep::after  { right: 0; }
.auth-footer {
  text-align: center;
  font-size: .82rem;
  color: var(--text-3);
  margin-top: 20px;
}
.auth-footer a { color: var(--teal); font-weight: 600; }

.alert {
  padding: 11px 14px;
  border-radius: var(--r-md);
  font-size: .84rem;
  font-weight: 500;
  margin-bottom: 16px;
}
.alert--error   { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }
.alert--success { background: var(--teal-light); border: 1px solid var(--teal-mid); color: var(--teal-dark); }
.alert--info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1d4ed8; }

/* ── AVATAR ───────────────────────────────── */
.lms-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity .15s;
}
.lms-avatar:hover { opacity: .85; }
.lms-avatar--img { padding: 0; overflow: hidden; }
.lms-avatar--img img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── DASHBOARD ────────────────────────────── */
.dash-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.dash-hero__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.dash-hello { font-family: var(--font-title); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 800; color: var(--text); letter-spacing: -.04em; }
.dash-hello span { color: var(--teal); }
.dash-sub { font-size: .88rem; color: var(--text-3); margin-top: 4px; }
.dash-stats { display: flex; gap: 20px; flex-wrap: wrap; }
.dash-stat {
  background: var(--teal-light);
  border: 1px solid var(--teal-mid);
  border-radius: var(--r-lg);
  padding: 14px 20px;
  text-align: center;
  min-width: 90px;
}
.dash-stat__n { font-family: var(--font-title); font-size: 1.6rem; font-weight: 800; color: var(--teal); line-height: 1; }
.dash-stat__l { font-size: .72rem; color: var(--text-2); margin-top: 3px; }

.dash-section { padding: 48px 0; }
.dash-section + .dash-section { padding-top: 0; }
.dash-sec-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* ── ENROLLED CARD ────────────────────────── */
.enroll-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.enroll-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  text-decoration: none;
  display: block;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.enroll-card:hover { border-color: var(--teal); box-shadow: var(--sh-md); transform: translateY(-3px); }
.enroll-card__thumb {
  height: 100px;
  background: var(--teal-light);
  border-bottom: 1px solid var(--teal-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.enroll-card__thumb svg { color: var(--teal); }
.enroll-card__pct {
  position: absolute;
  top: 10px; right: 10px;
  background: rgba(255,255,255,.9);
  border: 1px solid var(--teal-mid);
  border-radius: var(--r-full);
  font-size: .72rem;
  font-weight: 700;
  color: var(--teal);
  padding: 2px 9px;
}
.enroll-card__body { padding: 16px; }
.enroll-card__cat  { font-size: .67rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); margin-bottom: 4px; }
.enroll-card__title { font-family: var(--font-title); font-weight: 700; font-size: .9rem; color: var(--text); margin-bottom: 10px; line-height: 1.3; }
.enroll-card__bar-wrap { display: flex; align-items: center; gap: 8px; }
.enroll-card__bar { flex: 1; height: 5px; background: var(--border); border-radius: 3px; overflow: hidden; }
.enroll-card__fill { height: 100%; background: var(--teal); border-radius: 3px; transition: width 1s; }
.enroll-card__pct-label { font-size: .7rem; color: var(--text-3); white-space: nowrap; }

/* ── COURSES LIST ─────────────────────────── */
.courses-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 48px 0 36px;
}
.courses-hero__title { font-family: var(--font-title); font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; color: var(--text); letter-spacing: -.04em; margin-bottom: 10px; }
.courses-hero__sub   { font-size: .96rem; color: var(--text-2); max-width: 460px; }

.courses-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 20px 0;
}
.filter-btn {
  padding: 7px 16px;
  border-radius: var(--r-full);
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s;
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--teal);
  background: var(--teal-light);
  color: var(--teal);
}

/* ── COURSE DETAIL ────────────────────────── */
.course-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}
.course-hero__inner { display: grid; grid-template-columns: 1fr 380px; gap: 56px; align-items: start; }
.course-hero__eyebrow { font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teal); margin-bottom: 10px; }
.course-hero__title { font-family: var(--font-title); font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; color: var(--text); letter-spacing: -.04em; line-height: 1.1; margin-bottom: 14px; }
.course-hero__desc  { font-size: .96rem; color: var(--text-2); line-height: 1.75; margin-bottom: 20px; }
.course-hero__meta  { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: .82rem; color: var(--text-3); }
.course-hero__meta span { display: flex; align-items: center; gap: 5px; }
.course-enroll-card {
  position: sticky;
  top: calc(var(--navbar-h) + 20px);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg);
}
.course-enroll-card__thumb {
  height: 160px;
  background: var(--teal-light);
  border-bottom: 1px solid var(--teal-mid);
  display: flex;
  align-items: center;
  justify-content: center;
}
.course-enroll-card__body { padding: 22px; }
.course-enroll-card__price { font-family: var(--font-title); font-size: 1.6rem; font-weight: 800; color: var(--text); margin-bottom: 14px; }
.course-enroll-card__feats { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 14px 0; }
.course-enroll-card__feats li { display: flex; align-items: center; gap: 8px; font-size: .83rem; color: var(--text-2); }
.course-enroll-card__feats li svg { color: var(--teal); flex-shrink: 0; }

/* ── LESSON LIST ─────────────────────────── */
.lesson-list { margin-top: 32px; }
.lesson-list__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  margin-bottom: 8px;
  transition: border-color .15s;
  text-decoration: none;
  color: inherit;
}
.lesson-list__item:hover { border-color: var(--teal); }
.lesson-list__item.done  { background: var(--teal-light); border-color: var(--teal-mid); }
.lesson-list__icon {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: var(--teal-light);
  border: 1px solid var(--teal-mid);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--teal);
}
.lesson-list__item.done .lesson-list__icon { background: var(--teal); border-color: var(--teal); color: #fff; }
.lesson-list__info { flex: 1; min-width: 0; }
.lesson-list__title { font-weight: 600; font-size: .88rem; color: var(--text); }
.lesson-list__meta  { font-size: .73rem; color: var(--text-3); margin-top: 2px; }
.lesson-list__badge {
  font-size: .66rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: var(--r-full);
  background: var(--teal-light);
  color: var(--teal);
  border: 1px solid var(--teal-mid);
  white-space: nowrap;
}
.lesson-list__item.locked { opacity: .5; pointer-events: none; }

/* ── LESSON PLAYER ───────────────────────── */
.lesson-layout { display: grid; grid-template-columns: 1fr 320px; gap: 24px; padding: 24px 0 48px; }
.lesson-player { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r-xl); overflow: hidden; }
.lesson-player__video { position: relative; padding-top: 56.25%; background: #000; }
.lesson-player__video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }
.lesson-player__pdf { width: 100%; height: 520px; border: none; }
.lesson-player__text { padding: 28px; font-size: .93rem; line-height: 1.8; color: var(--text-2); }
.lesson-player__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}
.lesson-title-bar {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.lesson-title-bar__eyebrow { font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); margin-bottom: 4px; }
.lesson-title-bar__title   { font-family: var(--font-title); font-size: 1rem; font-weight: 700; color: var(--text); }

.lesson-sidebar { display: flex; flex-direction: column; gap: 14px; }
.lesson-sidebar__card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.lesson-sidebar__coursenav {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.lesson-sidebar__course-link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-title);
  font-size: .84rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  line-height: 1.35;
  transition: color .15s;
}
.lesson-sidebar__course-link:hover {
  color: var(--teal);
}
.lesson-sidebar__course-link svg {
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--teal);
}
.lesson-sidebar__head {
  padding: 12px 16px;
  background: var(--teal-light);
  border-bottom: 1px solid var(--teal-mid);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .85rem;
  color: var(--text);
}
.lesson-sidebar__list { padding: 8px; }
.lesson-sidebar__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  font-size: .82rem;
  color: var(--text-2);
  text-decoration: none;
  transition: background .15s;
}
.lesson-sidebar__item:hover   { background: var(--bg-2); }
.lesson-sidebar__item.current { background: var(--teal-light); color: var(--teal); font-weight: 600; }
.lesson-sidebar__item.done-l  { color: var(--text-3); }
.lesson-sidebar__check { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.lesson-sidebar__item.done-l .lesson-sidebar__check { background: var(--teal); border-color: var(--teal); color: #fff; }

/* ── PROGRESS BAR ────────────────────────── */
.prog-bar-wrap { display: flex; align-items: center; gap: 10px; }
.prog-bar { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.prog-bar__fill { height: 100%; background: var(--teal); border-radius: 3px; transition: width 1s; }
.prog-label { font-size: .75rem; font-weight: 700; color: var(--teal); white-space: nowrap; }

/* ── CERTIFICATE ─────────────────────────── */
.cert-wrap { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - var(--navbar-h)); background: var(--bg); padding: 40px 16px; }
.cert-card {
  width: 100%;
  max-width: 760px;
  background: var(--surface);
  border: 2px solid var(--teal);
  border-radius: var(--r-xl);
  padding: 56px 48px;
  text-align: center;
  box-shadow: var(--sh-xl);
  position: relative;
  overflow: hidden;
}
.cert-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, var(--teal-light) 0%, transparent 60%);
  pointer-events: none;
}
.cert-logo { height: 56px; margin: 0 auto 28px; }
.cert-title { font-family: var(--font-title); font-size: 2rem; font-weight: 800; color: var(--text); letter-spacing: -.04em; margin-bottom: 8px; }
.cert-sub   { font-size: .88rem; color: var(--text-3); margin-bottom: 32px; }
.cert-name  { font-family: var(--font-title); font-size: 2.4rem; font-weight: 800; color: var(--teal); letter-spacing: -.04em; border-bottom: 2px solid var(--teal-mid); padding-bottom: 16px; margin-bottom: 16px; }
.cert-course { font-size: 1rem; color: var(--text-2); margin-bottom: 32px; }
.cert-code   { font-size: .75rem; color: var(--text-3); background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--r-full); padding: 5px 14px; display: inline-block; margin-bottom: 28px; }
.cert-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--border); }
.cert-sig { text-align: left; }
.cert-sig__name { font-family: var(--font-title); font-weight: 700; font-size: .95rem; color: var(--text); }
.cert-sig__role  { font-size: .78rem; color: var(--text-3); margin-top: 2px; }
.cert-date { font-size: .82rem; color: var(--text-3); }

/* ── PERFIL ──────────────────────────────── */
.perfil-layout { display: grid; grid-template-columns: 260px 1fr; gap: 28px; padding: 36px 0 60px; }
.perfil-sidebar { display: flex; flex-direction: column; gap: 12px; }
.perfil-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px 20px;
  text-align: center;
}
.perfil-avatar-big {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.perfil-name { font-family: var(--font-title); font-weight: 700; font-size: 1rem; color: var(--text); margin-bottom: 3px; }
.perfil-email { font-size: .78rem; color: var(--text-3); }
.perfil-nav { list-style: none; }
.perfil-nav li a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: .86rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  transition: background .15s, color .15s;
}
.perfil-nav li a:hover, .perfil-nav li a.active { background: var(--teal-light); color: var(--teal); font-weight: 600; }
.perfil-main { display: flex; flex-direction: column; gap: 20px; }
.perfil-section {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
}
.perfil-section__head {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .93rem;
  color: var(--text);
}
.perfil-section__body { padding: 24px; }

/* ── ADMIN ───────────────────────────────── */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - var(--navbar-h)); }
.admin-sidebar {
  /* Siempre barra oscura: en tema oscuro --text es claro y rompía el contraste */
  background: #1a2228;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.admin-sidebar__title {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.38);
  padding: 8px 12px 4px;
  margin-top: 12px;
}
.admin-sidebar__title:first-child { margin-top: 0; }
.admin-nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border-radius: var(--r-md);
  font-size: .84rem;
  font-weight: 500;
  color: rgba(255,255,255,.78);
  text-decoration: none;
  transition: background .15s, color .15s;
}
.admin-nav-link:hover  { background: rgba(255,255,255,.07); color: #fff; }
.admin-nav-link.active { background: var(--teal); color: #fff; }
.admin-main { background: var(--bg); padding: 32px; overflow-x: auto; }
.admin-page-title {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.03em;
  margin-bottom: 24px;
}
.admin-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.admin-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-3);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.admin-table td { padding: 13px 16px; font-size: .86rem; color: var(--text-2); border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--teal-light); }
.admin-form { max-width: 640px; }
.admin-form .form { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r-xl); padding: 28px; }

.badge {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 2px 9px;
  border-radius: var(--r-full);
}
.badge--green { background: var(--teal-light); color: var(--teal); border: 1px solid var(--teal-mid); }
.badge--gray  { background: var(--bg-3); color: var(--text-3); border: 1px solid var(--border); }
.badge--red   { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

.admin-dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.admin-dash-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  text-align: left;
}
.admin-dash-card__n {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.1;
}
.admin-dash-card__l {
  font-size: .72rem;
  color: var(--text-3);
  margin-top: 6px;
  line-height: 1.35;
}

/* ── RESPONSIVE LMS ──────────────────────── */
@media (max-width: 900px) {
  .course-hero__inner { grid-template-columns: 1fr; }
  /* Una columna: indice del curso arriba del video (no queda al final invisible) */
  .lesson-layout {
    grid-template-columns: 1fr;
    align-content: start;
  }
  .lesson-layout > .lesson-sidebar {
    order: -1;
    position: sticky;
    top: calc(var(--navbar-h) + 8px);
    z-index: 2;
    max-height: min(42vh, 320px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  .lesson-layout > .lesson-sidebar .lesson-sidebar__card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1;
  }
  .lesson-layout > .lesson-sidebar .lesson-sidebar__list {
    overflow-y: auto;
    max-height: min(28vh, 220px);
    -webkit-overflow-scrolling: touch;
  }
  .perfil-layout { grid-template-columns: 1fr; }
  .admin-layout  { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
}
@media (max-width: 600px) {
  .auth-card { padding: 28px 20px; }
  .cert-card { padding: 36px 24px; }
  .cert-name  { font-size: 1.8rem; }
}