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

/* =====================================================================
   Mentify Platform — Design System
   Light-first, clean flat design (Freelancing / BloodLink style)
   Font: Inter
   Primary: #0f766e (green)
   ===================================================================== */

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

:root {
  /* Brand Colors */
  --green:        #0f766e;
  --green-dark:   #0b4f4a;
  --green-light:  rgba(15,118,110,0.08);
  --blue:         #1c85e8;
  --blue-dark:    #1570cc;
  --blue-light:   #e3f0fd;
  --text:         #1f1f1f;
  --text-muted:   #6e6e6e;
  --text-light:   #999999;
  --border:       #e0e0e0;
  --surface:      #fafafa;
  --white:        #ffffff;
  --danger:       #d93025;
  --warning:      #e67e22;
  --info:         #2980b9;
  --radius:       4px;
  --shadow:       0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 2px 8px rgba(0,0,0,.10);
  --nav-h:        64px;

  /* Aliases for template vars */
  --color-primary:        var(--green);
  --color-primary-dark:   var(--green-dark);
  --color-primary-light:  var(--green);
  --color-accent:         var(--green);
  --color-accent-dark:    var(--green-dark);
  --color-warning:        var(--warning);
  --color-danger:         var(--danger);
  --color-success:        var(--green);

  --bg-page:     var(--surface);
  --bg-card:     var(--white);
  --bg-card-hover: #f5f5f5;
  --bg-input:    var(--white);
  --bg-navbar:   var(--white);
  --bg-sidebar:  var(--white);

  --border-color: var(--border);
  --border-focus: var(--green);

  --text-primary:   var(--text);
  --text-secondary: var(--text-muted);
  --text-on-primary: #fff;

  --shadow-card: var(--shadow-md);
  --shadow-lg:   0 4px 16px rgba(0,0,0,.12);
  --glow-primary: none;

  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;

  --radius-sm:   var(--radius);
  --radius-md:   6px;
  --radius-lg:   8px;
  --radius-pill: 999px;

  --font-display: 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'Courier New', monospace;

  --transition-fast:   0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow:   0.3s ease;

  --navbar-h: var(--nav-h);
}

/* Dark theme */
body.dark-theme,
html.dark-theme body {
  --text:       #e4e4e4;
  --text-muted: #a1a1a1;
  --text-light: #777777;
  --border:     #333333;
  --surface:    #121212;
  --white:      #1e1e1e;
  --shadow:     0 1px 4px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.6);
}

/* ─── Base ───────────────────────────────────────────────────── */
html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
h5 { font-size: .9rem; }

p { color: var(--text-muted); margin-bottom: var(--space-md); }
small { font-size: .8rem; color: var(--text-light); }

.text-primary   { color: var(--text) !important; }
.text-secondary { color: var(--text-muted) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-accent    { color: var(--green) !important; }
.text-brand     { color: var(--green) !important; }
.text-success   { color: var(--green) !important; }
.text-warning   { color: var(--warning) !important; }
.text-danger    { color: var(--danger) !important; }
.text-green     { color: var(--green) !important; }
.text-sm        { font-size: .82rem; }
.fw-600         { font-weight: 600; }
.text-right     { text-align: right; }

.text-gradient {
  color: var(--green);
}

/* ─── Layout ─────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.page-wrap { padding-top: calc(var(--nav-h) + 32px); padding-bottom: 48px; min-height: 100vh; }
.main-content { min-height: calc(100vh - var(--nav-h)); padding: 32px 0; }

/* Dashboard layout */
.dashboard-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  min-height: calc(100vh - var(--nav-h));
  align-items: start;
}

.dashboard-body {
  padding: 36px;
  overflow-y: auto;
}

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
}
.navbar-brand:hover { text-decoration: none; }
.navbar-brand span  { color: var(--green); }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex: 1;
}
.navbar-nav .nav-link {
  padding: 6px 14px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: background .15s, color .15s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.navbar-end {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-size: 1.5rem;
  padding: 8px;
  border-radius: var(--radius);
  transition: background .2s;
}
.mobile-menu-btn:active { background: var(--surface); }
.mobile-drawer { display: none; }
.mobile-drawer-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 150; opacity: 0;
  transition: opacity .25s ease;
}
.mobile-drawer-overlay.active { display: block; opacity: 1; }
.mobile-drawer-panel {
  position: fixed; top: 0; left: 0;
  width: 85%; max-width: 320px; height: 100vh;
  background: var(--white); z-index: 160;
  display: flex; flex-direction: column;
  transform: translateX(-100%);
  transition: transform .25s ease; overflow-y: auto;
}
.mobile-drawer-panel.active { transform: translateX(0); }
.mobile-drawer-close {
  align-self: flex-end; background: transparent; border: none;
  color: var(--text); font-size: 1.5rem; padding: 12px; cursor: pointer;
}
.mobile-drawer-content { padding: 16px; display: flex; flex-direction: column; gap: 2px; }
.mobile-drawer-link {
  padding: 12px 14px; border-radius: var(--radius);
  color: var(--text-muted); text-decoration: none;
  font-weight: 500; font-size: .95rem;
  transition: background .2s, color .2s;
  display: flex; align-items: center; gap: 10px;
}
.mobile-drawer-link:hover  { background: #f3f3f3; color: var(--text); }
.mobile-drawer-link.active { background: var(--green-light); color: var(--green); font-weight: 600; }
.mobile-drawer-link svg { flex-shrink: 0; }
.mobile-drawer-divider { height: 1px; background: var(--border); margin: 8px 0; }
.mobile-drawer-button  { padding: 10px 14px; margin: 4px 0; width: 100%; }

/* ─── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  background: var(--white);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}

.sidebar-profile {
  padding: 0 20px 20px 20px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sidebar-profile-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-profile-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .95rem; flex-shrink: 0;
}
.sidebar-profile-info {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.sidebar-profile-role {
  font-size: 0.72rem;
  margin-top: 4px;
}
.sidebar-profile-name {
  font-weight: 700; font-size: 0.95rem; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-profile-email {
  font-size: 0.78rem; color: var(--text-muted); margin-top: 1px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.sidebar-nav { list-style: none; }
.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  border-radius: 0;
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: background .12s, color .12s;
}
.sidebar-nav li a:hover { background: #f3f3f3; color: var(--text); text-decoration: none; }
.sidebar-nav li a.active { background: var(--green-light); color: var(--green); font-weight: 600; }
.sidebar-nav li a svg { flex-shrink: 0; width: 16px; height: 16px; color: currentColor; }
.sidebar-nav .nav-item a { display: flex; align-items: center; gap: 10px; padding: 9px 20px; color: var(--text-muted); font-size: .9rem; font-weight: 500; transition: background .12s, color .12s; }
.sidebar-nav .nav-item a:hover  { background: #f3f3f3; color: var(--text); text-decoration: none; }
.sidebar-nav .nav-item a.active { background: var(--green-light); color: var(--green); font-weight: 600; }
.sidebar-nav .nav-item a .icon  { width: 16px; height: 16px; flex-shrink: 0; display: inline-flex; align-items: center; }

.sidebar-section-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-light);
  padding: 16px 20px 6px;
}

/* Nav avatar */
.nav-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card-glass {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.card-container {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
}

/* Stat cards */
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--green);
}
.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 4px;
}
.stat-card .stat-label {
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .4px;
}
.stat-card .stat-icon {
  position: absolute;
  bottom: 16px; right: 16px;
  opacity: 0.08;
  color: var(--green);
}
.stat-sub { font-size: .78rem; color: var(--text-light); margin-top: 2px; }

/* Course card */
.course-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.course-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-md);
}
.course-card .card-cover {
  height: 150px;
  background: linear-gradient(135deg, rgba(15,118,110,0.08), #d4f0d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
}
.course-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.course-card .card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.course-catalog-container {
  padding-bottom: 48px;
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  line-height: 1.6;
}
.badge-primary  { background: var(--green-light); color: var(--green); }
.badge-accent   { background: var(--green-light); color: var(--green); }
.badge-success  { background: rgba(15,118,110,0.08); color: var(--green); }
.badge-warning  { background: #fff7e6; color: #b06000; }
.badge-danger   { background: #fee; color: var(--danger); }
.badge-muted    { background: #f3f3f3; color: var(--text-muted); }
.badge-info     { background: var(--blue-light); color: var(--blue); }

.track-tech       { background: var(--green-light); color: var(--green); }
.track-cbc        { background: #fff7e6; color: #b06000; }
.track-specialist { background: #fee; color: var(--danger); }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius);
  border: none;
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, opacity .15s, border-color .15s;
  text-decoration: none;
  white-space: nowrap;
  max-width: 100%;
}
.btn:hover { opacity: .88; text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn[disabled], .btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary {
  background: var(--green);
  color: #fff;
  border: 1px solid var(--green);
}
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); }

.btn-accent {
  background: var(--green);
  color: #fff;
  border: 1px solid var(--green);
}
.btn-accent:hover { background: var(--green-dark); border-color: var(--green-dark); }

.btn-blue {
  background: var(--blue);
  color: #fff;
  border: 1px solid var(--blue);
}
.btn-blue:hover { background: var(--blue-dark); }

.btn-outline {
  background: var(--white);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--surface); border-color: #ccc; }

.btn-outline-primary {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-outline-primary:hover { background: var(--green-light); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--surface); color: var(--text); }

.btn-secondary {
  background: var(--white);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: 1px solid var(--danger);
}
.btn-danger:hover { background: #b91c1c; }

.btn-sm    { padding: 6px 14px; font-size: .82rem; }
.btn-lg    { font-size: .95rem; padding: 11px 24px; }
.btn-block { width: 100%; }

/* ─── Forms ──────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: .88rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-control,
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .9rem;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus,
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(15,118,110,0.12);
}
.form-control::placeholder,
.form-input::placeholder { color: var(--text-light); }
.form-textarea  { resize: vertical; min-height: 100px; }
.form-select    { cursor: pointer; }

.form-text, .form-hint { font-size: .78rem; color: var(--text-light); margin-top: 4px; }
.form-error   { font-size: .78rem; color: var(--danger); margin-top: 4px; }
.errorlist    { list-style: none; margin: 4px 0; }
.errorlist li { font-size: .8rem; color: var(--danger); }

.form-check { display: flex; align-items: center; gap: 8px; }
.form-check-input { width: 18px; height: 18px; accent-color: var(--green); cursor: pointer; }
.form-check-label { font-size: .9rem; color: var(--text-muted); cursor: pointer; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 11px 16px;
  border-radius: var(--radius);
  font-size: .88rem;
  margin-bottom: 16px;
  border-left: 3px solid;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.alert-success { background: rgba(15,118,110,0.06); border-color: var(--green); color: #1a5c00; }
.alert-error,
.alert-danger  { background: #fff2f2; border-color: var(--danger); color: #990000; }
.alert-warning { background: #fffbf0; border-color: var(--warning); color: #7a4500; }
.alert-info    { background: var(--blue-light); border-color: var(--blue); color: #0c4080; }

/* ─── Tables ─────────────────────────────────────────────────── */
.table-wrapper, .table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.table-wrapper table,
.table-wrap table { margin: 0; }
.table, table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.table thead th, th {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  white-space: nowrap;
}
.table tbody tr, tr { border-bottom: 1px solid var(--border); }
.table tbody tr:hover td, tr:hover td { background: #fafafa; }
.table tbody tr:last-child { border-bottom: none; }
.table tbody td, td {
  padding: 10px 14px;
  color: var(--text-muted);
  vertical-align: middle;
}

/* ─── Progress ───────────────────────────────────────────────── */
.progress {
  height: 6px;
  background: #e8e8e8;
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  border-radius: var(--radius-pill);
  background: var(--green);
  transition: width .5s ease;
}

/* ─── Stats Grid ─────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.grid-stat  { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }

/* ─── Grids ──────────────────────────────────────────────────── */
.grid      { display: grid; gap: 16px; }
.grid-2    { grid-template-columns: repeat(2, 1fr); }
.grid-3    { grid-template-columns: repeat(3, 1fr); }
.grid-4    { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

section + section { margin-top: 32px; }
.card h3,
.card h4 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card,
.course-card,
.session-item { overflow-wrap: anywhere; }
.flex > .btn,
.card-footer .btn { flex-shrink: 0; }

/* ─── Video ──────────────────────────────────────────────────── */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #000;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.video-container iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* ─── Lesson Items ───────────────────────────────────────────── */
.lesson-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .12s, background .12s;
  text-decoration: none;
  color: var(--text);
}
.lesson-item:hover {
  border-color: var(--green);
  background: var(--green-light);
  text-decoration: none;
}
.lesson-item .lesson-number {
  width: 32px; height: 32px;
  border-radius: var(--radius);
  background: var(--green-light);
  color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}
.lesson-item.completed .lesson-number {
  background: rgba(15,118,110,0.08);
  color: var(--green);
}
.lesson-item .lesson-info { flex: 1; min-width: 0; }
.lesson-item .lesson-title { font-weight: 600; font-size: .95rem; color: var(--text); }
.lesson-item .lesson-meta  { font-size: .78rem; color: var(--text-light); margin-top: 2px; }

.resource-link {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .85rem;
  font-weight: 500;
  transition: all .15s;
  text-decoration: none;
}
.resource-link:hover { border-color: var(--green); color: var(--green); background: var(--green-light); text-decoration: none; }

/* ─── Sessions ───────────────────────────────────────────────── */
.session-item {
  display: flex; gap: 16px;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: box-shadow .15s;
  align-items: center;
}
.session-item.upcoming { border-left: 3px solid var(--green); }
.session-item.makeup   { border-left: 3px solid var(--warning); }
.session-item .session-date {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-width: 52px; padding: 8px;
  background: var(--green-light);
  border-radius: var(--radius);
}
.session-item .session-date .day   { font-size: 1.3rem; font-weight: 700; color: var(--green); line-height: 1; }
.session-item .session-date .month { font-size: .65rem; text-transform: uppercase; color: var(--text-muted); letter-spacing: .4px; }

/* ─── Notifications ──────────────────────────────────────────── */
.notif-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--border); font-size: .88rem;
}
.notif-content { min-width: 0; }
.notif-link { color: var(--text); text-decoration: none; font-weight: 500; }
.notif-link:hover { color: var(--green); text-decoration: underline; }
.notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex-shrink: 0; margin-top: 6px; }
.notif-time { font-size: .76rem; color: var(--text-light); margin-top: 2px; }

/* ─── Page Header ────────────────────────────────────────────── */
.page-header {
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}
.page-header h1 { font-size: 1.4rem; }
.page-header h1,
.page-header h2,
.page-header h3 { margin-bottom: 8px; }

.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: .8rem; color: var(--text-muted);
  margin-bottom: 6px;
  list-style: none;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb-sep { opacity: .4; }

/* ─── Empty State ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 52px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  background: var(--green-light);
  border-radius: 50%;
  margin: 0 auto 16px;
  color: var(--green);
}
.empty-state .empty-icon svg { width: 28px; height: 28px; }
.empty-state h3 { color: var(--text); margin-bottom: 8px; }
.empty-state p  { max-width: 360px; margin: 0 auto; font-size: .95rem; }

/* ─── Spinner ────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid rgba(15,118,110,.2);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Toast / Flash Messages ─────────────────────────────────── */
.messages-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 380px;
}
.toast {
  padding: 12px 18px;
  border-radius: var(--radius);
  border: 1px solid;
  font-size: .875rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: toast-in .3s ease;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: var(--white);
}
@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
.toast-success { background: rgba(15,118,110,0.06); border-color: var(--green); color: #1a5c00; }
.toast-error   { background: #fff2f2; border-color: var(--danger); color: #990000; }
.toast-info    { background: var(--blue-light); border-color: var(--blue); color: #0c4080; }
.toast-warning { background: #fffbf0; border-color: var(--warning); color: #7a4500; }

/* ─── Hero Section ───────────────────────────────────────────── */
.hero {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 80px 0 60px;
}
.hero h1 { font-size: 2.4rem; font-weight: 700; color: var(--text); max-width: 600px; }
.hero h1 span { color: var(--green); }
.hero p { font-size: 1.05rem; max-width: 520px; margin-top: 14px; color: var(--text-muted); }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; }

/* ─── Auth Pages ─────────────────────────────────────────────── */
.auth-page {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
  background: var(--surface);
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
}
.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}
.auth-logo img {
  height: 52px; width: 52px;
  object-fit: contain;
  border-radius: var(--radius);
  margin: 0 auto 10px;
}
.auth-logo h1 { font-size: 1.4rem; color: var(--text); }
.auth-logo p  { font-size: .88rem; color: var(--text-muted); margin: 0; }

/* Google button */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 10px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background .15s, border-color .15s;
  text-decoration: none;
}
.btn-google:hover { background: var(--surface); border-color: #ccc; text-decoration: none; }

/* Divider with text */
.divider-text {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  font-size: .8rem;
  color: var(--text-light);
}
.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Filters Bar ────────────────────────────────────────────── */
.filters-bar {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin-bottom: 20px; padding: 14px 18px;
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
}
.filters-bar .form-select,
.filters-bar .form-input,
.filters-bar .form-control {
  width: auto; min-width: 160px; padding: 7px 10px;
}

/* Section title */
.section-title { font-size: 1rem; font-weight: 600; margin-bottom: 14px; color: var(--text); }

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 6px; margin-top: 24px; flex-wrap: wrap; }
.pagination a, .pagination span {
  padding: 6px 12px; border-radius: var(--radius);
  border: 1px solid var(--border); font-size: .85rem; color: var(--text-muted);
  transition: background .12s; text-decoration: none;
}
.pagination a:hover { background: var(--surface); text-decoration: none; }
.pagination .current { background: var(--green); color: #fff; border-color: var(--green); font-weight: 600; }

/* ─── Avatar ─────────────────────────────────────────────────── */
.avatar-lg { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); }
.avatar-placeholder {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 700;
}

/* ─── Skills Tags ────────────────────────────────────────────── */
.skills-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.skill-tag {
  padding: 3px 12px; border-radius: 20px;
  background: #f3f3f3; color: var(--text-muted);
  font-size: .8rem; font-weight: 500;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  margin-top: auto;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .8rem;
  color: var(--text-muted);
}

/* ─── Utility ────────────────────────────────────────────────── */
.flex          { display: flex; }
.flex-col      { display: flex; flex-direction: column; }
.d-flex        { display: flex; }
.align-center  { align-items: center; }
.items-center  { align-items: center; }
.items-start   { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-sm  { gap: 8px; }
.gap-md  { gap: 16px; }
.gap-lg  { gap: 24px; }
.gap-2   { gap: 12px; }
.flex-1  { flex: 1; }
.flex-wrap { flex-wrap: wrap; }
.stack-mobile { display: flex; flex-direction: column; }
.stack-mobile > * + * { margin-top: 12px; }

.mt-0  { margin-top: 0; }
.mt-sm { margin-top: 8px; }
.mt-md, .mt-2 { margin-top: 16px; }
.mt-lg, .mt-3 { margin-top: 24px; }
.mt-xl, .mt-4 { margin-top: 32px; }
.mb-sm { margin-bottom: 8px; }
.mb-md, .mb-2 { margin-bottom: 16px; }
.mb-lg, .mb-3 { margin-bottom: 24px; }
.mb-xl, .mb-4 { margin-bottom: 32px; }
.mb-2xl { margin-bottom: 64px; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rounded  { border-radius: var(--radius-md); }
.rounded-pill { border-radius: var(--radius-pill); }

.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* Theme toggle */
.theme-toggle {
  background: transparent; border: none; color: var(--text);
  cursor: pointer; padding: 4px 8px; border-radius: var(--radius);
  transition: background .2s; display: inline-flex; align-items: center; justify-content: center;
}
.theme-toggle:hover { background: var(--surface); }

/* Dark theme fixes */
body.dark-theme .sidebar-nav li a:hover { background: #2a2a2a; }
body.dark-theme .sidebar-nav li a.active { background: #053d38; color: var(--green); }
body.dark-theme .sidebar-nav .nav-item a:hover { background: #2a2a2a; }
body.dark-theme .sidebar-nav .nav-item a.active { background: #053d38; color: var(--green); }
body.dark-theme .badge-success { background: #053d38; }
body.dark-theme .badge-muted   { background: #2c2c2c; }
body.dark-theme .alert-success { background: #053d38; border-color: var(--green); color: #2dd4bf; }
body.dark-theme .alert-error   { background: #3d1515; border-color: var(--danger); color: #e57373; }
body.dark-theme .alert-warning { background: #3d2b0e; border-color: var(--warning); color: #ffb74d; }
body.dark-theme .alert-info    { background: #102640; border-color: var(--blue); color: #64b5f6; }
body.dark-theme .toast-success { background: #053d38; border-color: var(--green); color: #2dd4bf; }
body.dark-theme .toast-error   { background: #3d1515; border-color: var(--danger); color: #e57373; }
body.dark-theme tr:hover td    { background: #262626; }
body.dark-theme .card-container,
body.dark-theme .auth-card     { background: #1e1e1e; }
body.dark-theme .course-card .card-cover { background: #053d38; }
body.dark-theme .stat-card::before { background: var(--green); }
body.dark-theme .btn-outline   { background: #1e1e1e; color: #e4e4e4; border-color: #333; }
body.dark-theme .btn-google    { background: #1e1e1e; border-color: #333; color: #e4e4e4; }
body.dark-theme .empty-state .empty-icon { background: #053d38; }
body.dark-theme .mobile-drawer-panel     { background: #1e1e1e; }
body.dark-theme .mobile-drawer-link:hover { background: #2a2a2a; }
body.dark-theme .mobile-drawer-link.active { background: #053d38; color: var(--green); }
body.dark-theme .mobile-drawer-divider   { background: #333; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
  }
  .sidebar-nav { display: flex; flex-direction: row; flex-wrap: wrap; gap: 2px; padding: 0 12px; }
  .sidebar-nav li a { padding: 7px 12px; }
  .sidebar-nav .nav-item a { padding: 7px 12px; }
  .sidebar-section-label { display: none; }
  .dashboard-body { padding: 28px 24px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 56px; }
  .container { padding: 0 16px; }
  .main-content { padding: 24px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .navbar { padding: 0 16px; gap: 8px; }
  .navbar-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .mobile-drawer { display: block; }
  .dashboard-body { padding: 20px 16px; }
  .card { padding: 20px; }
  .session-item { align-items: flex-start; flex-wrap: wrap; }
  .page-header[style*="display: flex"] {
    align-items: flex-start !important;
    flex-direction: column;
  }
  .hero { padding: 40px 0 30px; }
  .hero h1 { font-size: 1.6rem; }
  .hero-actions { flex-direction: column; gap: 8px; }
  .hero-actions .btn { width: 100%; }
  .auth-card { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .messages-container { bottom: 16px; right: 16px; left: 16px; max-width: 100%; }
}

@media (max-width: 479px) {
  html { font-size: 14px; }
  .container { padding: 0 12px; }
  h1 { font-size: 1.4rem; }
  h2 { font-size: 1.1rem; }
  .btn { padding: 10px 16px; font-size: .85rem; }
  .btn-sm { padding: 8px 12px; font-size: .75rem; }
  .stats-grid, .grid-stat { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: minmax(0, 1fr); }
  .stat-card { padding: 14px; }
  .stat-card .stat-value { font-size: 1.4rem; }
  .filters-bar { flex-direction: column; gap: 8px; padding: 10px; align-items: stretch; }
  .filters-bar .form-select,
  .filters-bar .form-input,
  .filters-bar .form-control,
  .filters-bar .btn { width: 100%; min-width: unset; }
  table { font-size: .75rem; }
  th, td { padding: 6px 8px; }
  .alert { padding: 8px 12px; font-size: .8rem; }
  .card { padding: 16px; }
  .course-card .card-cover { height: 120px; }
  .course-card .card-body { padding: 16px; }
  .course-card .card-footer { padding: 14px 16px; align-items: stretch; }
  .course-card .card-footer .btn { width: 100%; }
}

@media (min-width: 769px) {
  .navbar-nav { display: flex !important; }
  .form-row { grid-template-columns: 1fr 1fr; }
}