/* ==========================================================
   AHAMA ACADEMY - DASHBOARD & CLASSROOM STYLES (V2)
   Bespoke, distraction-free LMS & Command Center Architecture
   ========================================================== */

.dash-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  z-index: 10;
}

.side-brand {
  margin-bottom: 28px;
  padding: 0 8px;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.side-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 800;
  color: var(--text-muted);
  margin: 18px 8px 6px;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
}
.side-link:hover, .side-link.active {
  background: var(--soft);
  color: var(--text);
}
.side-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 700;
}

.side-user {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #fb7185);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 13px;
  box-shadow: 0 2px 8px rgba(225, 29, 72, 0.25);
}

.dash-main {
  padding: 36px 40px;
  max-width: 1400px;
  width: 100%;
}

.dash-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 20px;
  flex-wrap: wrap;
}
.dash-top h1 {
  font-size: 32px;
  margin: 0;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.kpi-card span {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 6px;
}
.kpi-card strong {
  display: block;
  font-size: 30px;
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.02em;
}
.kpi-card small {
  display: inline-block;
  font-size: 12px;
  color: var(--success);
  font-weight: 600;
  margin-top: 4px;
}

/* Panels */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.panel-head h2, .panel-head h3 {
  margin: 0;
  font-size: 20px;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}
td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:last-child td {
  border-bottom: 0;
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.status-badge.approved {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
}
.status-badge.pending {
  background: rgba(245, 158, 11, 0.12);
  color: var(--warning);
}
.status-badge.rejected {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
}

.action-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================
   UDEMY-LEVEL CLASSROOM ENVIRONMENT
   ========================================================== */
.classroom-layout {
  display: grid;
  grid-template-columns: 1fr 390px;
  min-height: calc(100vh - 60px);
  background: var(--bg);
}
.classroom-main {
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.classroom-player-wrap {
  width: 100%;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.classroom-player-wrap iframe, .classroom-player-wrap video {
  width: 100%;
  height: 100%;
  border: 0;
}

.classroom-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 14px;
}
.lecture-info h2 {
  font-size: 22px;
  margin: 0 0 4px;
}

.classroom-tabs {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.classroom-tab {
  padding: 10px 0;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.classroom-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Classroom Sidebar */
.classroom-sidebar {
  border-left: 1px solid var(--border);
  background: var(--surface);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.classroom-sidebar-head {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}
.classroom-sidebar-head h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.curriculum-module {
  border-bottom: 1px solid var(--border-subtle);
}
.module-head {
  padding: 14px 18px;
  background: var(--soft);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lesson-item {
  padding: 13px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
  font-size: 13px;
}
.lesson-item:hover {
  background: var(--soft);
}
.lesson-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.check-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  display: grid;
  place-items: center;
  font-size: 10px;
  flex-shrink: 0;
}
.lesson-item.completed .check-icon {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

/* Quiz UI Components */
.quiz-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 18px;
}
.quiz-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: pointer;
  transition: var(--transition);
}
.quiz-option:hover {
  background: var(--soft);
}
.quiz-option.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* Notes List */
.note-item {
  background: var(--soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 10px;
  border-left: 3px solid var(--primary);
}
.note-time {
  font-family: monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-bottom: 4px;
}

/* Discussion Card */
.discussion-card {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.discussion-card:last-child {
  border-bottom: 0;
}
.reply-box {
  background: var(--soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 10px;
  font-size: 13px;
  border-left: 3px solid var(--accent);
}

/* Certificate Box */
.certificate-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--soft);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
}
#certificateCanvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* Responsive Dashboard */
@media (max-width: 900px) {
  .dash-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    height: auto;
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .side-nav {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .side-label {
    display: none;
  }
  .dash-main {
    padding: 24px 20px;
  }
  .classroom-layout {
    grid-template-columns: 1fr;
  }
  .classroom-sidebar {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
}