/* ============================
   PREMIUM LMS - LUXURY DARK THEME
   ============================ */

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

:root {
  --gold:       #c9a84c;
  --gold-light: #e0c06a;
  --gold-dark:  #9a7730;
  --black:      #0a0a0a;
  --dark:       #111111;
  --dark-2:     #1a1a1a;
  --dark-3:     #222222;
  --dark-4:     #2e2e2e;
  --light:      #f5f0e8;
  --muted:      #888888;
  --white:      #ffffff;
  --danger:     #e05252;
  --success:    #52c87c;
  --radius:     12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--black);
  color: var(--light);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  color: var(--white);
  line-height: 1.2;
}

a { text-decoration: none; color: var(--gold); transition: var(--transition); }
a:hover { color: var(--gold-light); }

img { max-width: 100%; height: auto; display: block; }

/* ========================
   SCROLLBAR
   ======================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ========================
   NAVBAR
   ======================== */
.lms-nav {
  background: rgba(10,10,10,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,168,76,0.2);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 9999;
  transition: var(--transition);
}

.lms-nav .navbar-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold) !important;
  letter-spacing: 1px;
}

.lms-nav .navbar-brand span { color: var(--white); }

.lms-nav .nav-link {
  color: rgba(245,240,232,0.8) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 1.4rem 1rem !important;
  letter-spacing: 0.4px;
  position: relative;
  transition: var(--transition);
}

.lms-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

.lms-nav .nav-link:hover,
.lms-nav .nav-link.active { color: var(--gold) !important; }
.lms-nav .nav-link:hover::after { width: 60%; }

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black) !important;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  padding: 0.6rem 1.6rem !important;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(201,168,76,0.3);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(201,168,76,0.45);
  color: var(--black) !important;
}

.btn-outline-gold {
  border: 1.5px solid var(--gold);
  color: var(--gold) !important;
  background: transparent;
  border-radius: 50px;
  padding: 0.6rem 1.6rem !important;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--black) !important;
  transform: translateY(-1px);
}

/* ========================
   HERO SECTION
   ======================== */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(201,168,76,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(201,168,76,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.3);
  color: var(--gold);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(245,240,232,0.65);
  max-width: 520px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
}

.stat-item .number {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
}

.stat-item .label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: var(--dark-2);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.hero-card:hover {
  border-color: rgba(201,168,76,0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* ========================
   SECTION TITLES
   ======================== */
.section-tag {
  display: inline-block;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--muted);
  font-size: 1rem;
  max-width: 520px;
}

/* ========================
   GOLD DIVIDER
   ======================== */
.gold-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
  margin: 0.8rem 0 1.5rem;
}

/* ========================
   COURSE CARDS
   ======================== */
.course-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}

.course-card:hover {
  border-color: rgba(201,168,76,0.35);
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(0,0,0,0.6), 0 0 0 1px rgba(201,168,76,0.1);
}

.course-thumbnail {
  position: relative;
  height: 210px;
  overflow: hidden;
  background: var(--dark-3);
}

.course-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.course-card:hover .course-thumbnail img { transform: scale(1.06); }

.course-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: 50px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.course-price-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--gold);
  color: var(--black);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.2rem 0.75rem;
  border-radius: 50px;
}

.course-body {
  padding: 1.5rem;
}

.course-category {
  font-size: 0.75rem;
  color: var(--gold);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 0.5rem;
}

.course-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.course-desc {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1rem;
}

.course-meta i { color: var(--gold); }

/* ========================
   FEATURE CARDS
   ======================== */
.feature-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(201,168,76,0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: rgba(201,168,76,0.1);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
  color: var(--gold);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: rgba(201,168,76,0.2);
  box-shadow: 0 0 20px rgba(201,168,76,0.2);
}

.feature-card h5 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
}

/* ========================
   AUTH PAGES
   ======================== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.auth-page::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.auth-card {
  background: var(--dark-2);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: 20px;
  padding: 3rem;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6);
}

.auth-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  text-align: center;
  margin-bottom: 0.25rem;
}

.auth-tagline {
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.auth-title {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  text-align: center;
}

/* ========================
   FORM STYLES
   ======================== */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  color: rgba(245,240,232,0.8);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  display: block;
}

.form-control {
  background: rgba(255,255,255,0.04) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  color: var(--white) !important;
  border-radius: 10px !important;
  padding: 0.75rem 1rem !important;
  font-size: 0.9rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: rgba(201,168,76,0.5) !important;
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1) !important;
  background: rgba(201,168,76,0.04) !important;
  outline: none;
}

.form-control::placeholder { color: rgba(255,255,255,0.25) !important; }

.form-control.is-invalid {
  border-color: var(--danger) !important;
}

.alert-danger-custom {
  background: rgba(224,82,82,0.1);
  border: 1px solid rgba(224,82,82,0.3);
  color: #ff8080;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.alert-success-custom {
  background: rgba(82,200,124,0.1);
  border: 1px solid rgba(82,200,124,0.3);
  color: #7de8a8;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

/* ========================
   SECTION BACKGROUNDS
   ======================== */
.bg-dark-2 { background: var(--dark-2) !important; }
.bg-dark-3 { background: var(--dark-3) !important; }

.section-py { padding: 6rem 0; }
.section-py-sm { padding: 4rem 0; }

/* ========================
   FOOTER
   ======================== */
.site-footer {
  background: var(--dark-2);
  border-top: 1px solid rgba(201,168,76,0.12);
  padding: 4rem 0 1.5rem;
}

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}

.footer-desc {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a {
  color: var(--muted);
  font-size: 0.875rem;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-icon {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-icon:hover {
  background: rgba(201,168,76,0.15);
  border-color: rgba(201,168,76,0.3);
  color: var(--gold);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 3rem;
  padding-top: 1.5rem;
  color: var(--muted);
  font-size: 0.825rem;
}

/* ========================
   DASHBOARD
   ======================== */
.dashboard-layout {
  display: flex;
  min-height: calc(100vh - 70px);
}

.dashboard-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--dark-2);
  border-right: 1px solid rgba(255,255,255,0.05);
  padding: 1.5rem 0;
  position: sticky;
  top: 70px;
  height: calc(100vh - 70px);
  overflow-y: auto;
}

.sidebar-nav { list-style: none; padding: 0; margin: 0; }

.sidebar-nav-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1.5rem;
  color: rgba(245,240,232,0.6);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-nav-item a:hover,
.sidebar-nav-item a.active {
  color: var(--gold);
  background: rgba(201,168,76,0.07);
  border-left-color: var(--gold);
}

.sidebar-nav-item a i { width: 18px; text-align: center; }

.sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
  padding: 1.25rem 1.5rem 0.35rem;
}

.dashboard-main {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

/* STAT CARDS */
.stat-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: rgba(201,168,76,0.2);
  transform: translateY(-2px);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(201,168,76,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--gold);
  flex-shrink: 0;
}

.stat-value {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

/* PROGRESS BAR */
.lms-progress {
  background: rgba(255,255,255,0.07);
  border-radius: 100px;
  height: 6px;
  overflow: hidden;
}

.lms-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-light));
  border-radius: 100px;
  transition: width 0.6s ease;
}

/* ========================
   ADMIN
   ======================== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: #0e0e0e;
  border-right: 1px solid rgba(201,168,76,0.1);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.admin-brand {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(201,168,76,0.1);
}

.admin-brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gold);
}

.admin-brand-sub {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.admin-nav { flex: 1; padding: 1rem 0; }
.admin-nav-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  padding: 1rem 1.25rem 0.35rem;
}

.admin-nav-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  color: rgba(245,240,232,0.55);
  font-size: 0.875rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.admin-nav-item a:hover,
.admin-nav-item a.active {
  color: var(--gold);
  background: rgba(201,168,76,0.07);
  border-left-color: var(--gold);
}

.admin-main {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  background: #0e0e0e;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 99;
}

.admin-content {
  padding: 2rem;
  flex: 1;
}

/* Admin Table */
.admin-table {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-table thead th {
  background: rgba(201,168,76,0.08);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border: none;
  padding: 0.9rem 1rem;
}

.admin-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
}

.admin-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.admin-table tbody td {
  color: rgba(245,240,232,0.8);
  font-size: 0.875rem;
  padding: 0.9rem 1rem;
  border: none;
  vertical-align: middle;
}

/* Badges */
.badge-gold {
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-success {
  background: rgba(82,200,124,0.15);
  color: #7de8a8;
  border: 1px solid rgba(82,200,124,0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-danger {
  background: rgba(224,82,82,0.15);
  color: #ff8080;
  border: 1px solid rgba(224,82,82,0.3);
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-muted {
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  font-size: 0.72rem;
}

/* Action Buttons */
.btn-sm-action {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-edit {
  background: rgba(201,168,76,0.12);
  color: var(--gold);
}

.btn-edit:hover { background: rgba(201,168,76,0.25); }

.btn-delete {
  background: rgba(224,82,82,0.12);
  color: #ff8080;
}

.btn-delete:hover { background: rgba(224,82,82,0.25); }

/* ========================
   UTILITIES
   ======================== */
.text-gold { color: var(--gold) !important; }
.text-muted-light { color: var(--muted) !important; }
.border-gold { border-color: rgba(201,168,76,0.3) !important; }
.rounded-xl { border-radius: var(--radius) !important; }
.glass {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.07);
}

/* ========================
   ANIMATIONS
   ======================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.animate-fade-up { animation: fadeInUp 0.7s cubic-bezier(0.4,0,0.2,1) both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 768px) {
  .dashboard-sidebar { display: none; }
  .hero-stats { gap: 1.5rem; }
  .auth-card { padding: 2rem 1.5rem; }
  .admin-sidebar { transform: translateX(-100%); }
  .admin-main { margin-left: 0; }
}

@media (max-width: 576px) {
  .hero-title { font-size: 2rem; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
}