@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:wght@700&display=swap');

:root {
  --navy:    #0a0f1e;
  --navy2:   #111827;
  --navy3:   #1a2233;
  --gold:    #c9a84c;
  --gold2:   #e2c97e;
  --text:    #e5e9f0;
  --muted:   #8492a6;
  --border:  rgba(255,255,255,.08);
  --surface: rgba(255,255,255,.04);
  --green:   #4ade80;
  --danger:  #f87171;
  --radius:  .75rem;
  --shadow:  0 4px 24px rgba(0,0,0,.4);
}

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--navy);
  color: var(--text);
  line-height: 1.6;
  font-size: .95rem;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold2); }
img { max-width: 100%; }

/* ── Layout ─────────────────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.navbar {
  background: rgba(10,15,30,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: .85rem 0;
  position: sticky; top: 0; z-index: 100;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.navbar-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--text);
}
.navbar-brand span { color: var(--gold); }
.navbar-nav { display: flex; align-items: center; gap: 1.5rem; list-style: none; }
.navbar-nav a { color: var(--muted); font-size: .875rem; font-weight: 500; transition: color .15s; }
.navbar-nav a:hover { color: var(--text); }

/* ── Alerts ─────────────────────────────────────────────────────────────── */
.alert { padding: .8rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: .875rem; border: 1px solid; }
.alert-danger  { background: rgba(248,113,113,.08); color: #fca5a5; border-color: rgba(248,113,113,.25); }
.alert-success { background: rgba(74,222,128,.08);  color: #86efac;  border-color: rgba(74,222,128,.25); }

/* ── Cards ──────────────────────────────────────────────────────────────── */
.card {
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-body { padding: 1.75rem; }

/* ── Forms ──────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.1rem; }
.form-label { display: block; font-size: .8rem; font-weight: 500; color: var(--muted); margin-bottom: .4rem; letter-spacing: .04em; text-transform: uppercase; }
.form-control {
  width: 100%; padding: .6rem .9rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: .5rem;
  color: var(--text);
  font-size: .9rem; font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
.form-control::placeholder { color: var(--muted); }
.form-control:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,.12);
  background: rgba(255,255,255,.07);
}
.form-control option { background: var(--navy2); }
.form-error { color: var(--danger); font-size: .78rem; margin-top: .3rem; display: none; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .6rem 1.4rem; border-radius: .5rem;
  font-size: .875rem; font-weight: 500; font-family: inherit;
  cursor: pointer; border: none;
  transition: background .15s, opacity .15s, box-shadow .15s;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  color: var(--navy);
  font-weight: 600;
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(201,168,76,.35); opacity: .92; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: rgba(201,168,76,.06); }
.btn-danger  { background: rgba(248,113,113,.15); border: 1px solid rgba(248,113,113,.3); color: var(--danger); }
.btn-success { background: rgba(74,222,128,.12);  border: 1px solid rgba(74,222,128,.3);  color: var(--green); }
.btn-sm      { padding: .35rem .8rem; font-size: .8rem; }
.btn-block   { width: 100%; }

/* ── Auth pages ─────────────────────────────────────────────────────────── */
.auth-wrapper {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 2rem 1rem;
  background-image: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(201,168,76,.1) 0%, transparent 70%);
}
.auth-box { width: 100%; max-width: 440px; }
.auth-logo {
  text-align: center; margin-bottom: 2rem;
  font-family: 'Playfair Display', serif; font-size: 1.8rem; color: var(--text);
}
.auth-logo span { color: var(--gold); }
.auth-subtitle { text-align: center; color: var(--muted); font-size: .875rem; margin-bottom: 2rem; }
.auth-divider { text-align: center; font-size: .8rem; color: var(--muted); margin: 1.25rem 0; }

/* ── Course catalog ──────────────────────────────────────────────────────── */
.page-header { padding: 2.5rem 0 1.5rem; }
.page-header h1 { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 700; }
.page-header p  { color: var(--muted); margin-top: .4rem; }

.filters-bar { display: flex; gap: .75rem; flex-wrap: wrap; padding-bottom: 1.5rem; }
.filters-bar .form-control { max-width: 200px; }
.filters-bar input[type=search] { flex: 1; min-width: 180px; max-width: 360px; }

.courses-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; padding-bottom: 3rem; }

.course-card {
  display: flex; flex-direction: column;
  background: var(--navy2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  color: var(--text);
}
.course-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  border-color: rgba(201,168,76,.25);
}
.course-card img { width: 100%; height: 200px; object-fit: cover; display: block; }
.course-card .card-body { flex: 1; display: flex; flex-direction: column; gap: .5rem; padding: 1.1rem 1.25rem; }
.course-badge {
  display: inline-block; padding: .2rem .65rem;
  border-radius: 999px; font-size: .72rem; font-weight: 500;
  background: rgba(201,168,76,.12); color: var(--gold);
  border: 1px solid rgba(201,168,76,.2);
}
.course-badge.level { background: rgba(255,255,255,.05); color: var(--muted); border-color: var(--border); }
.course-title { font-size: .95rem; font-weight: 600; line-height: 1.4; }
.course-desc  { font-size: .82rem; color: var(--muted); flex: 1; }
.course-price { font-family: 'Playfair Display', serif; font-size: 1.1rem; font-weight: 700; color: var(--gold); margin-top: .25rem; }
.course-price.free { color: var(--green); }

/* ── Tables ──────────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th, td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: .75rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; background: rgba(255,255,255,.02); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.03); }

/* ── Admin layout ────────────────────────────────────────────────────────── */
.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }

.admin-sidebar {
  background: var(--navy2);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  display: flex; flex-direction: column;
}
.admin-sidebar .logo {
  padding: 0 1.5rem 1.75rem;
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem; color: var(--text);
}
.admin-sidebar .logo span { color: var(--gold); }
.admin-sidebar .nav-section {
  font-size: .7rem; color: var(--muted); font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .5rem 1.5rem .3rem;
}
.admin-sidebar a {
  display: flex; align-items: center; gap: .6rem;
  padding: .6rem 1.5rem; color: var(--muted);
  font-size: .875rem; font-weight: 500;
  transition: background .15s, color .15s;
}
.admin-sidebar a:hover { background: rgba(255,255,255,.04); color: var(--text); }
.admin-sidebar a.active { background: rgba(201,168,76,.08); color: var(--gold); border-right: 2px solid var(--gold); }
.admin-sidebar .sidebar-footer { margin-top: auto; padding: 1rem 1.5rem 0; border-top: 1px solid var(--border); }

.admin-main { padding: 2rem 2.5rem; background: var(--navy); overflow-x: hidden; }
.admin-page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem;
}
.admin-page-header h1 { font-family: 'Playfair Display', serif; font-size: 1.5rem; }

/* ── Pagination ─────────────────────────────────────────────────────────── */
.pagination { display: flex; gap: .4rem; justify-content: center; padding: 2rem 0; flex-wrap: wrap; }
.pagination .btn { min-width: 2.2rem; padding: .35rem .6rem; }
.pagination .btn.active { background: linear-gradient(135deg, var(--gold), var(--gold2)); color: var(--navy); font-weight: 700; }

/* ── Status badges ──────────────────────────────────────────────────────── */
.status { display: inline-flex; align-items: center; gap: .35rem; font-size: .78rem; font-weight: 500; padding: .2rem .6rem; border-radius: 999px; }
.status::before { content:''; width:6px; height:6px; border-radius:50%; background:currentColor; }
.status-active    { color: var(--green);  background: rgba(74,222,128,.1); }
.status-inactive  { color: var(--danger); background: rgba(248,113,113,.1); }
.status-published { color: var(--green);  background: rgba(74,222,128,.1); }
.status-draft     { color: var(--muted);  background: rgba(255,255,255,.05); }
.status-archived  { color: var(--danger); background: rgba(248,113,113,.1); }

/* ── Divider line ───────────────────────────────────────────────────────── */
.gold-divider { width: 48px; height: 2px; background: linear-gradient(90deg, transparent, var(--gold), transparent); margin: 0 auto 2rem; }

/* ── Admin mobile topbar ─────────────────────────────────────────────────── */
.admin-topbar {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; height: 56px;
  z-index: 300;
  background: var(--navy2);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
}
.admin-topbar .logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem; color: var(--text); text-decoration: none;
}
.admin-topbar .logo span { color: var(--gold); }

.admin-burger {
  background: none; border: none; cursor: pointer;
  padding: .4rem; display: flex; flex-direction: column; gap: 5px;
}
.admin-burger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform .25s, opacity .25s;
}

.admin-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 298;
  background: rgba(0,0,0,.55);
}
.admin-overlay.open { display: block; }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .admin-topbar { display: flex; }
  .admin-layout  { grid-template-columns: 1fr; padding-top: 56px; }
  .admin-sidebar {
    position: fixed; top: 0; left: 0;
    height: 100vh; width: 240px; z-index: 299;
    transform: translateX(-100%);
    transition: transform .25s ease;
  }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { padding: 1.5rem; }
}
@media (max-width: 600px) {
  .courses-grid { grid-template-columns: 1fr; }
  .filters-bar .form-control { max-width: 100%; }
}

/* ── Trainings hero ──────────────────────────────────────────────────────── */
.trainings-hero {
  padding: 5rem 0 3.75rem;
  text-align: center;
  background-image: radial-gradient(ellipse 80% 55% at 50% -5%, rgba(201,168,76,.13) 0%, transparent 68%);
  border-bottom: 1px solid var(--border);
}
.trainings-eyebrow {
  font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); margin-bottom: .9rem;
}
.trainings-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700; line-height: 1.15;
  margin-bottom: .75rem;
}
.trainings-hero h1 span { color: var(--gold); }
.trainings-sub {
  color: var(--muted); font-size: 1rem;
  max-width: 460px; margin: 0 auto 2.25rem;
}
.trainings-search {
  display: flex; align-items: center;
  max-width: 520px; margin: 0 auto;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .4rem .4rem .4rem 1.1rem;
  gap: .65rem;
  transition: border-color .2s, box-shadow .2s;
}
.trainings-search:focus-within {
  border-color: rgba(201,168,76,.5);
  box-shadow: 0 0 0 4px rgba(201,168,76,.08);
}
.trainings-search input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-size: .925rem; font-family: inherit; min-width: 0;
}
.trainings-search input::placeholder { color: var(--muted); }
.trainings-search .btn { border-radius: 999px; padding: .5rem 1.2rem; white-space: nowrap; }

/* ── Trainings meta bar ──────────────────────────────────────────────────── */
.trainings-meta {
  padding: 1.75rem 0 1.25rem;
  font-size: .83rem; color: var(--muted);
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

/* ── Course card — image wrap con zoom ───────────────────────────────────── */
.card-img-wrap {
  display: block; overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  position: relative;
}
.card-img-wrap img { transition: transform .4s ease; }
.course-card:hover .card-img-wrap img { transform: scale(1.05); }
.card-img-wrap::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 56px;
  background: linear-gradient(to top, var(--navy2), transparent);
  pointer-events: none;
}

/* Description 2-line clamp */
.course-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card meta (duración, etc.) */
.card-meta { display: flex; gap: .75rem; flex-wrap: wrap; }
.card-meta-item { font-size: .75rem; color: var(--muted); }

/* Card footer precio + botón */
.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: .75rem;
  gap: .5rem; flex-wrap: wrap;
}

/* ── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center; padding: 5rem 1rem;
  color: var(--muted);
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}

@media (max-width: 600px) {
  .trainings-hero { padding: 3.5rem 0 2.75rem; }
  .trainings-search { margin: 0 .25rem; }
}