/* ═══════════════════════════════════════════════════════════════
   EduLearn LMS — v1.0.4 Design System
   2026 Futurist · White Base · Glassmorphism · Fluid Spacing
═══════════════════════════════════════════════════════════════ */

/* ── Google Font Import ───────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Controllable by admin */
  --el-primary:        #6366f1;
  --el-primary-2:      #8b5cf6;
  --el-sidebar-bg:     #0f0f1a;
  --el-sidebar-text:   #c4c9e2;
  --el-topbar-bg:      #ffffff;
  --el-topbar-text:    #1e1e2e;
  --el-content-bg:     #f4f5fb;
  --el-content-text:   #1e1e2e;
  --el-accent:         #06b6d4;
  --el-gradient:       linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);

  /* Fixed tokens */
  --el-success:        #10b981;
  --el-warning:        #f59e0b;
  --el-danger:         #ef4444;
  --el-info:           #3b82f6;

  --el-card-bg:        #ffffff;
  --el-card-border:    rgba(99,102,241,0.10);
  --el-card-shadow:    0 1px 3px rgba(0,0,0,0.04), 0 8px 24px rgba(99,102,241,0.07);
  --el-card-shadow-hover: 0 4px 12px rgba(0,0,0,0.06), 0 20px 40px rgba(99,102,241,0.14);

  --el-radius:         16px;
  --el-radius-sm:      10px;
  --el-radius-xs:      6px;
  --el-sidebar-w:      268px;
  --el-topbar-h:       66px;
  --el-transition:     0.2s cubic-bezier(0.4, 0, 0.2, 1);

  --el-sidebar-active-bg:   rgba(255,255,255,0.1);
  --el-sidebar-active-text: #ffffff;
  --el-sidebar-border:      rgba(255,255,255,0.07);
}

/* ── Reset ────────────────────────────────────────────────── */
#edulearn-lms-app *, #edulearn-lms-app *::before, #edulearn-lms-app *::after {
  box-sizing: border-box; margin: 0; padding: 0;
}
#edulearn-lms-app {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 14px; line-height: 1.5;
  color: var(--el-content-text);
  background: var(--el-content-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ══════════════════════════════════════════════════════════
   RADAR LOADING SCREEN
══════════════════════════════════════════════════════════ */
#el-loading-screen {
  position: fixed; inset: 0; z-index: 9999;
  background: #0a0a14;
  display: flex; align-items: center; justify-content: center;
}
.el-loader-inner { text-align: center; }
.el-radar { position: relative; width: 130px; height: 130px; margin: 0 auto 28px; }
.el-radar-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1.5px solid rgba(99,102,241,0.35);
  animation: el-rpulse 2.2s ease-out infinite;
}
.el-radar-ring.r1 { animation-delay: 0s; }
.el-radar-ring.r2 { animation-delay: 0.55s; border-color: rgba(139,92,246,0.25); }
.el-radar-ring.r3 { animation-delay: 1.1s;  border-color: rgba(6,182,212,0.18); }
@keyframes el-rpulse { 0% { transform:scale(0.25);opacity:1; } 100% { transform:scale(1.6);opacity:0; } }
.el-radar-dot {
  position: absolute; top:50%; left:50%; width:14px; height:14px;
  background: var(--el-primary); border-radius:50%;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.2), 0 0 24px rgba(99,102,241,0.8);
  animation: el-dpulse 1.2s ease-in-out infinite alternate;
}
@keyframes el-dpulse { to { box-shadow: 0 0 0 8px rgba(99,102,241,0.1), 0 0 48px rgba(139,92,246,0.9); } }
.el-radar-sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 260deg, rgba(99,102,241,0.7) 360deg);
  animation: el-sweep 1.8s linear infinite;
}
@keyframes el-sweep { to { transform: rotate(360deg); } }
.el-loader-text {
  font-size: 22px; font-weight: 800; color: #fff;
  letter-spacing: 2px; margin-bottom: 8px;
}
.el-loader-sub {
  font-size: 12px; color: rgba(255,255,255,0.4);
  letter-spacing: 2px; text-transform: uppercase;
  animation: el-blink 1.8s ease-in-out infinite;
}
@keyframes el-blink { 50% { opacity: 0.3; } }

/* ══════════════════════════════════════════════════════════
   LAYOUT SHELL
══════════════════════════════════════════════════════════ */
#el-app-root { display: flex; flex-direction: column; min-height: 100vh; }
.el-layout { display: flex; height: 100vh; overflow: hidden; }

/* ══════════════════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════════════════ */
.el-sidebar {
  width: var(--el-sidebar-w);
  background: var(--el-sidebar-bg);
  display: flex; flex-direction: column;
  flex-shrink: 0; overflow: hidden;
  position: relative; z-index: 200;
  transition: width var(--el-transition);
  border-right: 1px solid var(--el-sidebar-border);
}

/* Subtle top gradient accent */
.el-sidebar::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 200px;
  background: linear-gradient(180deg, rgba(99,102,241,0.12) 0%, transparent 100%);
  pointer-events: none;
}

/* Logo area */
.el-sidebar-logo {
  display: flex; align-items: center; gap: 12px;
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--el-sidebar-border);
  flex-shrink: 0; position: relative;
}
.el-sidebar-logo-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--el-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(99,102,241,0.45);
}
.el-sidebar-logo-name {
  font-size: 15px; font-weight: 800;
  color: #fff; letter-spacing: -0.3px;
}
.el-sidebar-logo-ver {
  font-size: 10px; color: rgba(255,255,255,0.35);
  font-weight: 500; margin-top: 1px; letter-spacing: 0.5px;
}

/* Navigation */
.el-nav {
  flex: 1; overflow-y: auto; padding: 12px 10px;
  scrollbar-width: none;
}
.el-nav::-webkit-scrollbar { display: none; }

.el-nav-section {
  padding: 18px 10px 6px;
  font-size: 9.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.8px;
  color: rgba(255,255,255,0.25);
}

.el-nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: var(--el-radius-sm);
  margin-bottom: 2px; cursor: pointer;
  color: var(--el-sidebar-text);
  font-size: 13.5px; font-weight: 500;
  transition: all var(--el-transition);
  position: relative; text-decoration: none;
  white-space: nowrap;
}
.el-nav-item:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
}
.el-nav-item.active {
  background: var(--el-sidebar-active-bg);
  color: var(--el-sidebar-active-text);
  font-weight: 600;
}
.el-nav-item.active::before {
  content: '';
  position: absolute; left: -10px; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 22px;
  background: var(--el-gradient);
  border-radius: 0 3px 3px 0;
}
.el-nav-icon {
  width: 34px; height: 34px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
  background: rgba(255,255,255,0.06);
  transition: background var(--el-transition);
}
.el-nav-item:hover .el-nav-icon,
.el-nav-item.active .el-nav-icon {
  background: rgba(99,102,241,0.25);
}
.el-nav-label { flex: 1; }
.el-nav-badge {
  margin-left: auto; background: var(--el-danger);
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 2px 7px; border-radius: 10px; min-width: 20px; text-align: center;
}

/* Sidebar footer — user card */
.el-sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid var(--el-sidebar-border);
  flex-shrink: 0;
}
.el-sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 10px; border-radius: var(--el-radius-sm);
  background: rgba(255,255,255,0.05);
  cursor: pointer; transition: background var(--el-transition);
}
.el-sidebar-user:hover { background: rgba(255,255,255,0.09); }
.el-sidebar-avatar {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--el-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; color: #fff; flex-shrink: 0;
  letter-spacing: -0.5px;
}
.el-sidebar-uname {
  font-size: 13px; font-weight: 700; color: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.el-sidebar-urole {
  font-size: 11px; color: rgba(255,255,255,0.35);
  text-transform: capitalize;
}
.el-sidebar-logout {
  margin-left: auto; width: 30px; height: 30px;
  border-radius: 8px; background: rgba(239,68,68,0.12);
  border: none; cursor: pointer; color: #ef4444;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; flex-shrink: 0;
  transition: all var(--el-transition);
}
.el-sidebar-logout:hover { background: rgba(239,68,68,0.25); }

/* ══════════════════════════════════════════════════════════
   MAIN AREA
══════════════════════════════════════════════════════════ */
.el-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }

/* ══════════════════════════════════════════════════════════
   TOPBAR
══════════════════════════════════════════════════════════ */
.el-topbar {
  height: var(--el-topbar-h);
  background: var(--el-topbar-bg);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: flex; align-items: center;
  padding: 0 28px; gap: 14px; flex-shrink: 0;
  position: relative; z-index: 100;
}
.el-topbar-left { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.el-mob-btn {
  display: none; width: 38px; height: 38px; border-radius: 10px;
  background: var(--el-content-bg); border: 1px solid rgba(0,0,0,0.08);
  cursor: pointer; font-size: 16px; align-items: center; justify-content: center;
  color: var(--el-topbar-text); flex-shrink: 0;
}
.el-topbar-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: rgba(30,30,46,0.45);
}
.el-topbar-breadcrumb span:last-child { color: var(--el-topbar-text); font-weight: 700; font-size: 15px; }
.el-topbar-breadcrumb .sep { font-size: 11px; }

/* Search bar */
.el-topbar-search {
  display: flex; align-items: center; gap: 9px;
  background: var(--el-content-bg);
  border: 1.5px solid transparent;
  border-radius: 12px; padding: 9px 14px;
  width: 260px; flex-shrink: 0;
  transition: all var(--el-transition);
}
.el-topbar-search:focus-within {
  border-color: var(--el-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.el-topbar-search input {
  background: none; border: none; outline: none;
  font-size: 13.5px; color: var(--el-topbar-text);
  font-family: inherit; width: 100%;
}
.el-topbar-search input::placeholder { color: rgba(30,30,46,0.35); }
.el-topbar-search-icon { color: rgba(30,30,46,0.35); font-size: 14px; flex-shrink: 0; }

/* Topbar actions */
.el-topbar-actions { display: flex; align-items: center; gap: 6px; }
.el-topbar-action-btn {
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--el-content-bg);
  border: 1.5px solid rgba(0,0,0,0.07);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: rgba(30,30,46,0.6); font-size: 16px;
  transition: all var(--el-transition); position: relative;
}
.el-topbar-action-btn:hover {
  background: #fff; border-color: var(--el-primary);
  color: var(--el-primary);
  box-shadow: 0 2px 8px rgba(99,102,241,0.15);
}
.el-notif-dot {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--el-danger);
  border: 2px solid var(--el-topbar-bg);
}
.el-topbar-avatar {
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--el-gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; color: #fff;
  cursor: pointer; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(99,102,241,0.3);
  transition: transform var(--el-transition);
}
.el-topbar-avatar:hover { transform: scale(1.06); }

/* ══════════════════════════════════════════════════════════
   CONTENT AREA
══════════════════════════════════════════════════════════ */
.el-content {
  flex: 1; overflow-y: auto; padding: 32px 36px;
  background: var(--el-content-bg);
  scrollbar-width: thin;
  scrollbar-color: rgba(99,102,241,0.2) transparent;
}
.el-content::-webkit-scrollbar { width: 5px; }
.el-content::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.2); border-radius: 3px; }

/* Page entrance animation */
.el-page { animation: el-page-in 0.3s cubic-bezier(0.4,0,0.2,1) both; }
@keyframes el-page-in { from { opacity:0; transform: translateY(16px); } to { opacity:1; transform: none; } }

/* ══════════════════════════════════════════════════════════
   PAGE HEADER
══════════════════════════════════════════════════════════ */
.el-page-header { margin-bottom: 32px; }
.el-page-title {
  font-size: 26px; font-weight: 800;
  color: var(--el-content-text); letter-spacing: -0.5px;
  margin-bottom: 4px;
}
.el-page-sub { font-size: 13.5px; color: rgba(30,30,46,0.5); font-weight: 400; }
.el-page-header-row {
  display: flex; align-items: flex-start;
  justify-content: space-between; flex-wrap: wrap; gap: 14px;
}

/* ══════════════════════════════════════════════════════════
   STAT CARDS — Dashboard KPIs
══════════════════════════════════════════════════════════ */
.el-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 18px; margin-bottom: 28px;
}
.el-stat-card {
  background: var(--el-card-bg);
  border: 1px solid var(--el-card-border);
  border-radius: var(--el-radius);
  padding: 22px 22px 20px;
  box-shadow: var(--el-card-shadow);
  position: relative; overflow: hidden;
  transition: all var(--el-transition); cursor: default;
}
.el-stat-card:hover { transform: translateY(-3px); box-shadow: var(--el-card-shadow-hover); }
.el-stat-card-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  border-radius: var(--el-radius) var(--el-radius) 0 0;
}
.el-stat-card.c1 .el-stat-card-accent { background: linear-gradient(90deg,#6366f1,#8b5cf6); }
.el-stat-card.c2 .el-stat-card-accent { background: linear-gradient(90deg,#06b6d4,#3b82f6); }
.el-stat-card.c3 .el-stat-card-accent { background: linear-gradient(90deg,#10b981,#34d399); }
.el-stat-card.c4 .el-stat-card-accent { background: linear-gradient(90deg,#f59e0b,#fbbf24); }
.el-stat-card.c5 .el-stat-card-accent { background: linear-gradient(90deg,#ef4444,#f97316); }
.el-stat-card-glow {
  position: absolute; top: -20px; right: -20px;
  width: 90px; height: 90px; border-radius: 50%; opacity: 0.06;
}
.el-stat-card.c1 .el-stat-card-glow { background: #6366f1; }
.el-stat-card.c2 .el-stat-card-glow { background: #06b6d4; }
.el-stat-card.c3 .el-stat-card-glow { background: #10b981; }
.el-stat-card.c4 .el-stat-card-glow { background: #f59e0b; }
.el-stat-card.c5 .el-stat-card-glow { background: #ef4444; }

.el-stat-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 16px;
}
.el-stat-card.c1 .el-stat-icon { background: rgba(99,102,241,0.1); }
.el-stat-card.c2 .el-stat-icon { background: rgba(6,182,212,0.1); }
.el-stat-card.c3 .el-stat-icon { background: rgba(16,185,129,0.1); }
.el-stat-card.c4 .el-stat-icon { background: rgba(245,158,11,0.1); }
.el-stat-card.c5 .el-stat-icon { background: rgba(239,68,68,0.1); }

.el-stat-value {
  font-size: 30px; font-weight: 800;
  color: var(--el-content-text); letter-spacing: -1px;
  line-height: 1; margin-bottom: 6px;
}
.el-stat-label {
  font-size: 12px; font-weight: 600;
  color: rgba(30,30,46,0.45); text-transform: uppercase; letter-spacing: 0.6px;
}
.el-stat-trend {
  margin-top: 12px; display: flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600;
}
.el-stat-trend.up { color: var(--el-success); }
.el-stat-trend.dn { color: var(--el-danger); }

/* ══════════════════════════════════════════════════════════
   CARDS
══════════════════════════════════════════════════════════ */
.el-card {
  background: var(--el-card-bg);
  border: 1px solid var(--el-card-border);
  border-radius: var(--el-radius);
  padding: 24px; margin-bottom: 20px;
  box-shadow: var(--el-card-shadow);
  transition: box-shadow var(--el-transition);
}
.el-card:hover { box-shadow: var(--el-card-shadow-hover); }
.el-card-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 20px; gap: 12px;
}
.el-card-title {
  font-size: 16px; font-weight: 700;
  color: var(--el-content-text); letter-spacing: -0.2px;
}
.el-card-sub { font-size: 12.5px; color: rgba(30,30,46,0.45); margin-top: 2px; }

/* ══════════════════════════════════════════════════════════
   QUICK ACTION BUTTONS (Dashboard)
══════════════════════════════════════════════════════════ */
.el-qa-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.el-qa-btn {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 18px 12px; border-radius: var(--el-radius-sm);
  background: var(--el-content-bg);
  border: 1.5px solid rgba(0,0,0,0.06);
  cursor: pointer; transition: all var(--el-transition); text-align: center;
  color: var(--el-content-text);
}
.el-qa-btn:hover {
  border-color: var(--el-primary);
  background: rgba(99,102,241,0.05);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99,102,241,0.12);
}
.el-qa-icon { font-size: 24px; }
.el-qa-label { font-size: 12px; font-weight: 600; color: rgba(30,30,46,0.7); }

/* ══════════════════════════════════════════════════════════
   ACTIVITY FEED
══════════════════════════════════════════════════════════ */
.el-activity-item {
  display: flex; align-items: flex-start; gap: 13px;
  padding: 13px 0; border-bottom: 1px solid rgba(0,0,0,0.05);
}
.el-activity-item:last-child { border-bottom: none; padding-bottom: 0; }
.el-activity-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
}
.el-activity-body { flex: 1; min-width: 0; }
.el-activity-text { font-size: 13.5px; color: var(--el-content-text); line-height: 1.5; }
.el-activity-text strong { font-weight: 700; }
.el-activity-time { font-size: 11.5px; color: rgba(30,30,46,0.4); margin-top: 2px; }

/* ══════════════════════════════════════════════════════════
   COURSE CARDS
══════════════════════════════════════════════════════════ */
.el-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 20px;
}
.el-course-card {
  background: var(--el-card-bg);
  border: 1px solid var(--el-card-border);
  border-radius: var(--el-radius);
  overflow: hidden; cursor: pointer;
  transition: all var(--el-transition); position: relative;
}
.el-course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--el-card-shadow-hover);
  border-color: rgba(99,102,241,0.25);
}
.el-course-thumb {
  width: 100%; height: 168px; object-fit: cover;
  background: linear-gradient(135deg, #e0e7ff, #ede9fe);
  display: flex; align-items: center; justify-content: center;
  font-size: 52px; overflow: hidden; position: relative;
}
.el-course-thumb img { width:100%; height:100%; object-fit:cover; }
.el-course-badge {
  position: absolute; top: 12px; left: 12px;
  font-size: 10px; font-weight: 800; padding: 4px 10px;
  border-radius: 20px; letter-spacing: 0.5px; text-transform: uppercase;
}
.el-course-badge.free { background: #10b981; color: #fff; }
.el-course-badge.paid { background: #f59e0b; color: #fff; }
.el-course-body { padding: 18px; }
.el-course-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.el-course-category {
  font-size: 10.5px; font-weight: 700; padding: 3px 9px;
  border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px;
  background: rgba(99,102,241,0.1); color: var(--el-primary);
}
.el-course-level { font-size: 12px; color: rgba(30,30,46,0.4); }
.el-course-title {
  font-size: 15px; font-weight: 700;
  color: var(--el-content-text); margin-bottom: 10px;
  line-height: 1.45; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.el-course-stats {
  display: flex; gap: 14px; font-size: 12px;
  color: rgba(30,30,46,0.45); margin-bottom: 14px;
}
.el-course-progress {
  height: 5px; background: rgba(0,0,0,0.07);
  border-radius: 3px; overflow: hidden; margin-bottom: 14px;
}
.el-course-progress-bar {
  height: 100%; background: var(--el-gradient);
  border-radius: 3px; transition: width 0.8s ease;
}
.el-course-footer {
  display: flex; align-items: center; justify-content: space-between;
}
.el-course-price { font-size: 18px; font-weight: 800; color: var(--el-content-text); }
.el-course-price.free { font-size: 13px; font-weight: 700; color: var(--el-success); }
.el-course-status {
  font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 20px;
}
.el-course-status.published { background: rgba(16,185,129,0.1); color: var(--el-success); }
.el-course-status.pending   { background: rgba(245,158,11,0.1); color: var(--el-warning); }
.el-course-status.draft     { background: rgba(100,116,139,0.1); color: #64748b; }
.el-course-card-actions {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid rgba(0,0,0,0.06);
  display: flex; gap: 6px;
}

/* ══════════════════════════════════════════════════════════
   COURSE VIEWER
══════════════════════════════════════════════════════════ */
.el-viewer { display: grid; grid-template-columns: 1fr 300px; height: calc(100vh - var(--el-topbar-h)); }
.el-viewer-main { overflow-y: auto; padding: 28px 32px; }
.el-viewer-sidebar {
  background: var(--el-card-bg);
  border-left: 1px solid rgba(0,0,0,0.07);
  overflow-y: auto; display: flex; flex-direction: column;
}
.el-viewer-sidebar-header {
  padding: 18px 18px 14px;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  font-size: 13px; font-weight: 700;
  color: var(--el-content-text); flex-shrink: 0;
}
.el-section-item { border-bottom: 1px solid rgba(0,0,0,0.05); }
.el-section-title {
  padding: 14px 18px; font-weight: 700; font-size: 12.5px;
  color: var(--el-content-text); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  transition: background var(--el-transition);
}
.el-section-title:hover { background: rgba(0,0,0,0.02); }
.el-lesson-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 18px 10px 28px; font-size: 13px;
  color: rgba(30,30,46,0.65); cursor: pointer;
  transition: all var(--el-transition);
}
.el-lesson-item:hover { background: rgba(99,102,241,0.04); color: var(--el-primary); }
.el-lesson-item.active { background: rgba(99,102,241,0.07); color: var(--el-primary); font-weight: 600; }
.el-lesson-item.completed { color: var(--el-success); }
.el-lesson-check {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; flex-shrink: 0;
  transition: all var(--el-transition);
}
.el-lesson-check.done { background: var(--el-success); border-color: var(--el-success); color: #fff; }
.el-video-wrap {
  position: relative; width: 100%; padding-top: 56.25%;
  background: #000; border-radius: var(--el-radius); overflow: hidden; margin-bottom: 24px;
}
.el-video-wrap iframe, .el-video-wrap video {
  position: absolute; inset: 0; width: 100%; height: 100%;
}
.el-video-overlay { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.el-lesson-content { font-size: 15px; line-height: 1.8; color: var(--el-content-text); }
.el-lesson-content h1,.el-lesson-content h2,.el-lesson-content h3 {
  font-weight: 700; margin: 1.4em 0 0.5em; letter-spacing: -0.3px;
}
.el-lesson-content p { margin-bottom: 1em; }
.el-lesson-content ul,.el-lesson-content ol { padding-left: 1.6em; margin-bottom: 1em; }
.el-lesson-content strong { font-weight: 700; }
.el-lesson-content a { color: var(--el-primary); text-decoration: underline; }
.el-pdf-embed { width: 100%; height: 640px; border: none; border-radius: var(--el-radius); }
.el-lesson-nav {
  display: flex; gap: 12px; margin-top: 28px;
  padding-top: 24px; border-top: 1px solid rgba(0,0,0,0.07);
}

/* ══════════════════════════════════════════════════════════
   EXAM
══════════════════════════════════════════════════════════ */
.el-exam-wrap { max-width: 800px; margin: 0 auto; }
.el-exam-header {
  background: var(--el-card-bg);
  border: 1px solid var(--el-card-border);
  border-radius: var(--el-radius);
  padding: 20px 24px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: var(--el-card-shadow);
}
.el-exam-title { font-size: 19px; font-weight: 800; color: var(--el-content-text); letter-spacing: -0.3px; }
.el-exam-timer {
  font-size: 26px; font-weight: 800; font-family: 'JetBrains Mono', monospace;
  padding: 8px 18px; border-radius: var(--el-radius-sm);
  background: var(--el-content-bg);
  border: 2px solid rgba(0,0,0,0.08); letter-spacing: 2px;
}
.el-exam-timer.warning { border-color: var(--el-warning); color: var(--el-warning); animation: el-pulse 1s ease-in-out infinite; }
.el-exam-timer.danger  { border-color: var(--el-danger);  color: var(--el-danger);  animation: el-pulse 0.5s ease-in-out infinite; }
@keyframes el-pulse { 50% { opacity: 0.5; } }
.el-exam-progress { height: 6px; background: rgba(0,0,0,0.07); border-radius: 3px; margin-bottom: 20px; overflow: hidden; }
.el-exam-progress-bar { height: 100%; background: var(--el-gradient); border-radius: 3px; transition: width 0.4s ease; }
.el-question-card {
  background: var(--el-card-bg);
  border: 1px solid var(--el-card-border);
  border-radius: var(--el-radius); padding: 28px;
  box-shadow: var(--el-card-shadow); margin-bottom: 18px;
}
.el-question-num {
  font-size: 11px; font-weight: 700; color: var(--el-primary);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px;
}
.el-question-text { font-size: 16px; font-weight: 600; color: var(--el-content-text); line-height: 1.65; margin-bottom: 22px; }
.el-options { display: flex; flex-direction: column; gap: 10px; }
.el-option {
  display: flex; align-items: flex-start; gap: 13px;
  padding: 14px 16px; border-radius: var(--el-radius-sm);
  border: 2px solid rgba(0,0,0,0.08); cursor: pointer;
  transition: all var(--el-transition); background: var(--el-card-bg);
}
.el-option:hover { border-color: var(--el-primary); background: rgba(99,102,241,0.04); }
.el-option.selected { border-color: var(--el-primary); background: rgba(99,102,241,0.07); }
.el-option.correct  { border-color: var(--el-success); background: rgba(16,185,129,0.07); }
.el-option.wrong    { border-color: var(--el-danger);  background: rgba(239,68,68,0.06); }
.el-option-key {
  width: 30px; height: 30px; border-radius: 8px;
  border: 2px solid rgba(0,0,0,0.1);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px; flex-shrink: 0;
  transition: all var(--el-transition);
}
.el-option.selected .el-option-key { background: var(--el-primary); border-color: var(--el-primary); color: #fff; }
.el-type-answer {
  width: 100%; background: var(--el-content-bg);
  border: 2px solid rgba(0,0,0,0.08); border-radius: var(--el-radius-sm);
  padding: 14px 16px; color: var(--el-content-text);
  font-size: 14px; outline: none; resize: vertical; min-height: 90px;
  font-family: inherit; transition: border-color var(--el-transition);
}
.el-type-answer:focus { border-color: var(--el-primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.el-proctoring-warn {
  background: rgba(239,68,68,0.07); border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--el-radius-sm); padding: 12px 16px; margin-bottom: 16px;
  color: var(--el-danger); font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: 10px;
}

/* Score card */
.el-score-card { text-align: center; padding: 48px 28px; }
.el-score-circle {
  width: 168px; height: 168px; border-radius: 50%;
  margin: 0 auto 24px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; position: relative;
}
.el-score-circle svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.el-score-num { font-size: 40px; font-weight: 900; color: var(--el-content-text); position: relative; z-index: 1; letter-spacing: -2px; }
.el-score-pct { font-size: 13px; color: rgba(30,30,46,0.5); position: relative; z-index: 1; }
.el-grade-badge {
  display: inline-block; font-size: 17px; font-weight: 800;
  padding: 8px 24px; border-radius: 40px; margin-bottom: 16px;
  letter-spacing: -0.2px;
}
.el-grade-badge.Excellent { background: rgba(16,185,129,0.1); color: var(--el-success); border: 2px solid rgba(16,185,129,0.3); }
.el-grade-badge.Good      { background: rgba(6,182,212,0.1);  color: var(--el-accent);  border: 2px solid rgba(6,182,212,0.3); }
.el-grade-badge.Average   { background: rgba(245,158,11,0.1); color: var(--el-warning); border: 2px solid rgba(245,158,11,0.3); }
.el-grade-badge.Pass      { background: rgba(99,102,241,0.1); color: var(--el-primary); border: 2px solid rgba(99,102,241,0.3); }
.el-grade-badge.Failed    { background: rgba(239,68,68,0.08); color: var(--el-danger);  border: 2px solid rgba(239,68,68,0.2); }

/* ══════════════════════════════════════════════════════════
   CERTIFICATE
══════════════════════════════════════════════════════════ */
.el-cert-preview {
  background: #fff; border-radius: 12px;
  padding: 52px; max-width: 820px; margin: 0 auto;
  font-family: 'Georgia', serif; position: relative; overflow: hidden;
  color: #333; box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.el-cert-border {
  position: absolute; inset: 14px;
  border: 3px double var(--cert-border, #c0a060);
  border-radius: 8px; pointer-events: none;
}
.el-cert-logo { text-align: center; margin-bottom: 24px; }
.el-cert-logo img { max-height: 80px; }
.el-cert-institute { text-align: center; font-size: 21px; font-weight: 700; color: #1a1a2e; margin-bottom: 8px; letter-spacing: 2px; text-transform: uppercase; }
.el-cert-title { text-align: center; font-size: 34px; font-weight: 700; color: var(--cert-border, #c0a060); margin: 20px 0; }
.el-cert-body { text-align: center; font-size: 15px; color: #555; line-height: 1.8; margin: 14px 0; }
.el-cert-name { text-align: center; font-size: 30px; font-weight: 700; color: #1a1a2e; margin: 10px 0; font-style: italic; }
.el-cert-stamps { display: flex; align-items: center; justify-content: center; gap: 24px; margin: 20px 0; }
.el-cert-stamps img { max-height: 80px; opacity: 0.85; }
.el-cert-signatures { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 20px; }
.el-cert-sig { text-align: center; }
.el-cert-sig-line { width: 160px; border-top: 1px solid #bbb; margin-bottom: 6px; }
.el-cert-sig-name { font-weight: 700; font-size: 13px; color: #333; }
.el-cert-sig-position { font-size: 11px; color: #888; }

/* ══════════════════════════════════════════════════════════
   LEADERBOARD
══════════════════════════════════════════════════════════ */
.el-lb-row {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 16px; border-radius: var(--el-radius-sm);
  transition: background var(--el-transition); border-bottom: 1px solid rgba(0,0,0,0.04);
}
.el-lb-row:hover { background: rgba(99,102,241,0.04); }
.el-lb-rank {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; flex-shrink: 0;
}
.el-lb-rank.r1 { background: linear-gradient(135deg,#ffd700,#ff8c00); color:#fff; box-shadow:0 4px 12px rgba(255,215,0,0.4); }
.el-lb-rank.r2 { background: linear-gradient(135deg,#c0c0c0,#888);    color:#fff; }
.el-lb-rank.r3 { background: linear-gradient(135deg,#cd7f32,#8b4513); color:#fff; }
.el-lb-rank.rn { background: rgba(0,0,0,0.06); color: rgba(30,30,46,0.5); }
.el-lb-name { flex: 1; font-weight: 600; color: var(--el-content-text); font-size: 14px; }
.el-lb-score { font-size: 18px; font-weight: 800; color: var(--el-primary); }

/* ══════════════════════════════════════════════════════════
   TABLE
══════════════════════════════════════════════════════════ */
.el-table-wrap { overflow-x: auto; border-radius: var(--el-radius-sm); }
.el-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.el-table thead th {
  padding: 11px 16px; text-align: left;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.8px; color: rgba(30,30,46,0.45);
  border-bottom: 2px solid rgba(0,0,0,0.06); white-space: nowrap;
}
.el-table tbody td {
  padding: 13px 16px; color: var(--el-content-text);
  border-bottom: 1px solid rgba(0,0,0,0.05); vertical-align: middle;
}
.el-table tbody tr:last-child td { border-bottom: none; }
.el-table tbody tr:hover { background: rgba(99,102,241,0.03); }

/* ══════════════════════════════════════════════════════════
   FORMS
══════════════════════════════════════════════════════════ */
.el-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.el-form-full  { grid-column: 1 / -1; }
.el-field { margin-bottom: 16px; }
.el-label {
  display: block; font-size: 11.5px; font-weight: 700;
  color: rgba(30,30,46,0.55); text-transform: uppercase;
  letter-spacing: 0.7px; margin-bottom: 7px;
}
.el-input, .el-select, .el-textarea {
  width: 100%; background: var(--el-content-bg);
  border: 2px solid rgba(0,0,0,0.08); border-radius: var(--el-radius-sm);
  padding: 11px 14px; color: var(--el-content-text); font-size: 14px;
  outline: none; transition: all var(--el-transition); font-family: inherit;
}
.el-input:focus, .el-select:focus, .el-textarea:focus {
  border-color: var(--el-primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.el-input::placeholder, .el-textarea::placeholder { color: rgba(30,30,46,0.3); }
.el-select { appearance: none; cursor: pointer; }
.el-textarea { resize: vertical; min-height: 100px; }
.el-toggle { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.el-toggle input[type=checkbox] { display: none; }
.el-toggle-track {
  width: 46px; height: 26px; background: rgba(0,0,0,0.12);
  border-radius: 13px; cursor: pointer; position: relative;
  transition: background var(--el-transition); flex-shrink: 0;
}
.el-toggle input:checked + .el-toggle-track { background: var(--el-primary); }
.el-toggle-track::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; background: #fff; border-radius: 50%;
  transition: left var(--el-transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.el-toggle input:checked + .el-toggle-track::after { left: calc(100% - 23px); }
.el-toggle-label { font-size: 14px; color: var(--el-content-text); font-weight: 500; }

/* Rich text editor */
.el-editor-toolbar {
  display: flex; flex-wrap: wrap; gap: 3px; padding: 8px 10px;
  background: var(--el-content-bg);
  border: 2px solid rgba(0,0,0,0.08); border-bottom: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--el-radius-sm) var(--el-radius-sm) 0 0;
}
.el-editor-btn {
  width: 30px; height: 30px; background: transparent; border: 1px solid transparent;
  border-radius: 6px; color: rgba(30,30,46,0.5); cursor: pointer;
  font-size: 12px; display: flex; align-items: center; justify-content: center;
  transition: all var(--el-transition); font-family: inherit;
}
.el-editor-btn:hover { background: rgba(0,0,0,0.06); color: var(--el-content-text); border-color: rgba(0,0,0,0.08); }
.el-editor-sep { width: 1px; background: rgba(0,0,0,0.08); margin: 4px 2px; }
.el-editor-area {
  min-height: 200px; padding: 14px 16px;
  background: #fff; border: 2px solid rgba(0,0,0,0.08); border-top: none;
  border-radius: 0 0 var(--el-radius-sm) var(--el-radius-sm);
  color: var(--el-content-text); font-size: 14px;
  outline: none; line-height: 1.75;
}
.el-editor-area:focus { border-color: var(--el-primary); }

/* ══════════════════════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════════════════════ */
.el-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 20px; border-radius: var(--el-radius-sm);
  font-size: 13.5px; font-weight: 600; cursor: pointer; border: none;
  transition: all var(--el-transition); text-decoration: none; white-space: nowrap;
  font-family: inherit; letter-spacing: -0.1px;
}
.el-btn:active { transform: scale(0.97); }
.el-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.el-btn-primary {
  background: var(--el-gradient);
  color: #fff; box-shadow: 0 3px 12px rgba(99,102,241,0.3);
}
.el-btn-primary:hover { box-shadow: 0 5px 20px rgba(99,102,241,0.45); transform: translateY(-1px); }

.el-btn-secondary {
  background: var(--el-content-bg); color: rgba(30,30,46,0.75);
  border: 1.5px solid rgba(0,0,0,0.09);
}
.el-btn-secondary:hover { background: #fff; border-color: var(--el-primary); color: var(--el-primary); }

.el-btn-success { background: linear-gradient(135deg,#059669,#10b981); color:#fff; box-shadow: 0 3px 10px rgba(16,185,129,0.3); }
.el-btn-danger  { background: linear-gradient(135deg,#dc2626,#ef4444); color:#fff; box-shadow: 0 3px 10px rgba(239,68,68,0.3); }
.el-btn-warning { background: linear-gradient(135deg,#d97706,#f59e0b); color:#fff; box-shadow: 0 3px 10px rgba(245,158,11,0.3); }
.el-btn-ghost   { background: transparent; color: var(--el-primary); border: 1.5px solid rgba(99,102,241,0.25); }
.el-btn-ghost:hover { background: rgba(99,102,241,0.07); border-color: var(--el-primary); }

.el-btn-sm  { padding: 6px 14px; font-size: 12px; border-radius: var(--el-radius-xs); }
.el-btn-lg  { padding: 13px 28px; font-size: 15px; border-radius: var(--el-radius-sm); }
.el-btn-block { width: 100%; }
.el-btn-icon { width: 36px; height: 36px; padding: 0; }

/* ══════════════════════════════════════════════════════════
   TABS
══════════════════════════════════════════════════════════ */
.el-tabs {
  display: flex; gap: 2px; padding: 5px;
  background: var(--el-content-bg);
  border-radius: var(--el-radius-sm);
  margin-bottom: 24px; width: fit-content;
}
.el-tab {
  padding: 8px 18px; font-size: 13px; font-weight: 600;
  cursor: pointer; color: rgba(30,30,46,0.55);
  border-radius: calc(var(--el-radius-sm) - 3px);
  transition: all var(--el-transition); white-space: nowrap;
}
.el-tab:hover { color: var(--el-content-text); background: rgba(0,0,0,0.04); }
.el-tab.active {
  background: #fff; color: var(--el-primary); font-weight: 700;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1), 0 2px 8px rgba(99,102,241,0.12);
}

/* ══════════════════════════════════════════════════════════
   MODALS
══════════════════════════════════════════════════════════ */
.el-modal-overlay {
  position: fixed; inset: 0; background: rgba(15,15,30,0.55);
  z-index: 1000; display: flex; align-items: center; justify-content: center;
  padding: 20px; backdrop-filter: blur(6px);
  animation: el-fade-in 0.2s ease;
}
@keyframes el-fade-in { from { opacity: 0; } to { opacity: 1; } }
.el-modal {
  background: var(--el-card-bg);
  border: 1px solid var(--el-card-border);
  border-radius: var(--el-radius);
  width: 100%; max-height: 92vh;
  display: flex; flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.18);
  animation: el-modal-in 0.28s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes el-modal-in { from { transform: scale(0.92) translateY(24px); opacity:0; } to { transform: none; opacity:1; } }
.el-modal.sm { max-width: 440px; } .el-modal.md { max-width: 640px; }
.el-modal.lg { max-width: 900px; } .el-modal.xl { max-width: 1120px; }
.el-modal-header {
  padding: 22px 26px; border-bottom: 1px solid rgba(0,0,0,0.07);
  display: flex; align-items: center; justify-content: space-between; flex-shrink: 0;
}
.el-modal-title { font-size: 17px; font-weight: 800; color: var(--el-content-text); letter-spacing: -0.3px; }
.el-modal-close {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--el-content-bg); border: none; cursor: pointer;
  color: rgba(30,30,46,0.5); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--el-transition);
}
.el-modal-close:hover { background: rgba(239,68,68,0.1); color: var(--el-danger); }
.el-modal-body { padding: 26px; overflow-y: auto; flex: 1; }
.el-modal-footer {
  padding: 16px 26px; border-top: 1px solid rgba(0,0,0,0.07);
  display: flex; align-items: center; justify-content: flex-end;
  gap: 10px; flex-shrink: 0; background: rgba(0,0,0,0.01);
}

/* ══════════════════════════════════════════════════════════
   DROPDOWNS
══════════════════════════════════════════════════════════ */
.el-dropdown { position: relative; }
.el-dropdown-menu {
  position: absolute; top: calc(100% + 10px); right: 0;
  background: var(--el-card-bg); border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--el-radius-sm); min-width: 192px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12); z-index: 200;
  overflow: hidden; animation: el-dd-in 0.18s ease;
}
@keyframes el-dd-in { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:none; } }
.el-dropdown-item {
  padding: 10px 16px; font-size: 13.5px; color: var(--el-content-text);
  cursor: pointer; display: flex; align-items: center; gap: 10px;
  transition: background var(--el-transition); font-weight: 500;
}
.el-dropdown-item:hover { background: rgba(99,102,241,0.06); color: var(--el-primary); }
.el-dropdown-item.danger { color: var(--el-danger); }
.el-dropdown-item.danger:hover { background: rgba(239,68,68,0.07); }
.el-dropdown-sep { height: 1px; background: rgba(0,0,0,0.06); margin: 4px 0; }

/* ══════════════════════════════════════════════════════════
   NOTIFICATION DRAWER
══════════════════════════════════════════════════════════ */
.el-notif-drawer {
  position: fixed; top: var(--el-topbar-h); right: 0;
  width: 360px; height: calc(100vh - var(--el-topbar-h));
  background: var(--el-card-bg); border-left: 1px solid rgba(0,0,0,0.08);
  z-index: 300; transform: translateX(100%);
  transition: transform var(--el-transition); overflow-y: auto;
  box-shadow: -8px 0 32px rgba(0,0,0,0.08);
}
.el-notif-drawer.open { transform: none; }
.el-notif-header {
  padding: 20px 18px; border-bottom: 1px solid rgba(0,0,0,0.07);
  font-size: 15px; font-weight: 800; color: var(--el-content-text);
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; background: var(--el-card-bg); z-index: 1;
}
.el-notif-item {
  padding: 15px 18px; border-bottom: 1px solid rgba(0,0,0,0.05);
  cursor: pointer; transition: background var(--el-transition);
}
.el-notif-item:hover { background: rgba(99,102,241,0.04); }
.el-notif-item.unread { background: rgba(99,102,241,0.04); border-left: 3px solid var(--el-primary); }
.el-notif-item-title { font-size: 13.5px; font-weight: 700; color: var(--el-content-text); margin-bottom: 3px; }
.el-notif-item-msg { font-size: 12.5px; color: rgba(30,30,46,0.55); line-height: 1.5; }
.el-notif-item-time { font-size: 11px; color: rgba(30,30,46,0.35); margin-top: 6px; }

/* ══════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
══════════════════════════════════════════════════════════ */
#el-toasts {
  position: fixed; top: 20px; right: 20px; z-index: 9997;
  display: flex; flex-direction: column; gap: 10px; max-width: 340px;
}
.el-toast {
  background: var(--el-card-bg);
  border: 1px solid rgba(0,0,0,0.08); border-radius: var(--el-radius-sm);
  padding: 14px 16px; display: flex; align-items: flex-start; gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  animation: el-toast-in 0.35s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes el-toast-in { from { transform:translateX(120%); opacity:0; } to { transform:none; opacity:1; } }
.el-toast.out { animation: el-toast-out 0.25s ease forwards; }
@keyframes el-toast-out { to { transform:translateX(120%); opacity:0; } }
.el-toast.success { border-left: 3px solid var(--el-success); }
.el-toast.error   { border-left: 3px solid var(--el-danger); }
.el-toast.warning { border-left: 3px solid var(--el-warning); }
.el-toast.info    { border-left: 3px solid var(--el-info); }
.el-toast-icon { font-size: 18px; flex-shrink: 0; }
.el-toast-title { font-size: 13.5px; font-weight: 700; color: var(--el-content-text); margin-bottom: 2px; }
.el-toast-msg   { font-size: 12px; color: rgba(30,30,46,0.55); }

/* ══════════════════════════════════════════════════════════
   CHIPS / BADGES
══════════════════════════════════════════════════════════ */
.el-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 20px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.2px;
}
.el-chip.primary { background: rgba(99,102,241,0.1);  color: var(--el-primary); }
.el-chip.success { background: rgba(16,185,129,0.1);  color: var(--el-success); }
.el-chip.warning { background: rgba(245,158,11,0.1);  color: var(--el-warning); }
.el-chip.danger  { background: rgba(239,68,68,0.1);   color: var(--el-danger); }
.el-chip.info    { background: rgba(59,130,246,0.1);  color: var(--el-info); }
.el-chip.neutral { background: rgba(0,0,0,0.06);      color: rgba(30,30,46,0.55); }

/* ══════════════════════════════════════════════════════════
   MISC UTILITIES
══════════════════════════════════════════════════════════ */
.el-divider { height: 1px; background: rgba(0,0,0,0.07); margin: 22px 0; }
.el-spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 2.5px solid rgba(99,102,241,0.15);
  border-top-color: var(--el-primary); border-radius: 50%;
  animation: el-spin 0.7s linear infinite;
}
@keyframes el-spin { to { transform: rotate(360deg); } }
.el-empty {
  text-align: center; padding: 56px 24px; color: rgba(30,30,46,0.45);
}
.el-empty-icon { font-size: 52px; margin-bottom: 16px; opacity: 0.7; }
.el-empty-text { font-size: 17px; font-weight: 700; color: rgba(30,30,46,0.7); margin-bottom: 8px; }
.el-empty-sub  { font-size: 13.5px; margin-bottom: 20px; }

/* Upload zone */
.el-upload-zone {
  border: 2px dashed rgba(99,102,241,0.2); border-radius: var(--el-radius);
  padding: 36px; text-align: center; cursor: pointer;
  transition: all var(--el-transition); background: rgba(99,102,241,0.02);
}
.el-upload-zone:hover, .el-upload-zone.drag-over {
  border-color: var(--el-primary); background: rgba(99,102,241,0.06);
}
.el-upload-zone-icon { font-size: 38px; margin-bottom: 12px; }
.el-upload-zone-text { font-size: 14px; font-weight: 600; color: rgba(30,30,46,0.6); }
.el-upload-zone-sub  { font-size: 12px; color: rgba(30,30,46,0.35); margin-top: 5px; }

/* Subscription plan cards */
.el-plan-card {
  background: var(--el-card-bg);
  border: 2px solid rgba(0,0,0,0.08); border-radius: var(--el-radius);
  padding: 28px 24px; text-align: center;
  transition: all var(--el-transition); position: relative; overflow: hidden;
}
.el-plan-card:hover { border-color: var(--el-primary); transform: translateY(-4px); box-shadow: 0 12px 36px rgba(99,102,241,0.15); }
.el-plan-card.featured { border-color: var(--el-primary); }
.el-plan-name  { font-size: 17px; font-weight: 800; color: var(--el-content-text); margin-bottom: 10px; }
.el-plan-price { font-size: 40px; font-weight: 900; color: var(--el-content-text); letter-spacing: -2px; line-height: 1; margin: 14px 0 4px; }
.el-plan-price span { font-size: 15px; font-weight: 500; color: rgba(30,30,46,0.45); }
.el-plan-features { text-align: left; margin: 18px 0 22px; }
.el-plan-feature { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: rgba(30,30,46,0.7); margin-bottom: 9px; }
.el-plan-feature::before { content: '✓'; color: var(--el-success); font-weight: 800; }

/* Theme swatches */
.el-theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; }
.el-theme-swatch {
  border-radius: var(--el-radius-sm); overflow: hidden;
  cursor: pointer; border: 2.5px solid transparent;
  transition: all var(--el-transition);
}
.el-theme-swatch:hover { transform: scale(1.04); }
.el-theme-swatch.active { border-color: var(--el-primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.2); }
.el-theme-swatch-preview { height: 46px; display: flex; }
.el-theme-swatch-name { padding: 6px 8px; font-size: 11px; font-weight: 700; text-align: center; background: #fff; color: rgba(30,30,46,0.7); }

/* AUTH SCREEN */
.el-auth-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: var(--el-content-bg);
  background-image: radial-gradient(circle at 20% 50%, rgba(99,102,241,0.08) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(139,92,246,0.06) 0%, transparent 40%);
}
.el-auth-box { width: 100%; max-width: 430px; }
.el-auth-logo { text-align: center; margin-bottom: 32px; }
.el-auth-logo-mark {
  width: 68px; height: 68px; border-radius: 20px;
  background: var(--el-gradient); display: flex; align-items: center;
  justify-content: center; font-size: 32px; margin: 0 auto 14px;
  box-shadow: 0 8px 32px rgba(99,102,241,0.35);
}
.el-auth-logo-name { font-size: 23px; font-weight: 900; color: var(--el-content-text); letter-spacing: -0.5px; }
.el-auth-card {
  background: var(--el-card-bg);
  border: 1px solid var(--el-card-border); border-radius: var(--el-radius);
  padding: 34px; box-shadow: var(--el-card-shadow);
}
.el-auth-title { font-size: 22px; font-weight: 800; color: var(--el-content-text); margin-bottom: 6px; letter-spacing: -0.4px; }
.el-auth-sub { font-size: 13.5px; color: rgba(30,30,46,0.5); margin-bottom: 26px; }
.el-auth-switch { text-align: center; margin-top: 20px; font-size: 13.5px; color: rgba(30,30,46,0.5); }
.el-auth-switch a { color: var(--el-primary); cursor: pointer; font-weight: 700; }
.el-auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0; font-size: 12px; color: rgba(30,30,46,0.35); font-weight: 600;
}
.el-auth-divider::before, .el-auth-divider::after { content:''; flex:1; height:1px; background:rgba(0,0,0,0.08); }

/* COLOR CONTROLS in Settings */
.el-color-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.el-color-swatch { width: 38px; height: 38px; border-radius: 8px; border: 2px solid rgba(0,0,0,0.1); cursor: pointer; flex-shrink: 0; }
.el-color-label { font-size: 13px; font-weight: 600; color: var(--el-content-text); flex: 1; }
.el-color-input { width: 110px; border-radius: var(--el-radius-xs); }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .el-content { padding: 24px; }
  .el-topbar-search { width: 200px; }
}
@media (max-width: 768px) {
  :root { --el-sidebar-w: 0px; --el-topbar-h: 58px; }
  .el-sidebar {
    position: fixed; z-index: 400; width: 268px;
    transform: translateX(-100%); transition: transform var(--el-transition);
    box-shadow: 4px 0 24px rgba(0,0,0,0.15);
  }
  .el-sidebar.mobile-open { transform: none; }
  .el-mob-btn { display: flex !important; }
  .el-topbar-search { display: none; }
  .el-content { padding: 18px; }
  .el-form-grid { grid-template-columns: 1fr; }
  .el-courses-grid { grid-template-columns: 1fr; }
  .el-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .el-viewer { grid-template-columns: 1fr; }
  .el-viewer-sidebar { display: none; }
  .el-qa-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 480px) {
  .el-stats-grid { grid-template-columns: 1fr; }
  .el-modal.lg, .el-modal.xl { max-width: 100%; }
  .el-page-title { font-size: 21px; }
}

/* ══════════════════════════════════════════════════════════
   PRINT — for certificates
══════════════════════════════════════════════════════════ */
@media print {
  #edulearn-lms-app .el-sidebar,
  #edulearn-lms-app .el-topbar,
  #edulearn-lms-app .el-btn,
  #el-toasts { display: none !important; }
  .el-cert-preview { box-shadow: none !important; }
}

/* ══════════════════════════════════════════════════════════
   CUSTOM SCROLLBAR — content area
══════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.18); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.35); }