/* ==========================================================================
   BDU TỰ HỌC - DESIGN SYSTEM & STYLESHEET
   Sleek, Modern, Minimalist & Professional Dashboard for BDU Students
   ========================================================================== */

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Primary Brand: BDU Blue Palette */
  --bdu-primary: #0b3c68;
  --bdu-accent: #1d4ed8;
  --bdu-light: #3b82f6;
  --bdu-gradient: linear-gradient(135deg, #0b3c68 0%, #1e40af 50%, #3b82f6 100%);
  --bdu-glow: rgba(59, 130, 246, 0.25);

  /* Status Colors */
  --color-emerald: #10b981;
  --color-amber: #f59e0b;
  --color-rose: #ef4444;
  --color-purple: #8b5cf6;

  /* Dark Theme (Default) */
  --bg-app: #090d16;
  --bg-sidebar: #0d1322;
  --bg-card: rgba(18, 26, 44, 0.75);
  --bg-card-hover: rgba(26, 38, 64, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-focus: rgba(59, 130, 246, 0.5);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --glass-bg: rgba(15, 23, 42, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

body.theme-light {
  --bg-app: #f1f5f9;
  --bg-sidebar: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: rgba(248, 250, 252, 1);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-focus: rgba(37, 99, 235, 0.5);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  min-height: 100vh;
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--bdu-light);
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Ambient Glow FX */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.25;
}

.bg-glow-1 {
  width: 450px;
  height: 450px;
  background: #1d4ed8;
  top: -100px;
  right: -50px;
}

.bg-glow-2 {
  width: 500px;
  height: 500px;
  background: #0284c7;
  bottom: -150px;
  left: 10%;
}

.bg-glow-3 {
  width: 350px;
  height: 350px;
  background: #6366f1;
  top: 40%;
  left: 40%;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.hidden {
  display: none !important;
}

.mobile-only {
  display: none;
}

.cursor-pointer {
  cursor: pointer;
}

.text-blue {
  color: var(--bdu-light);
}

.text-emerald {
  color: var(--color-emerald);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  color: #fff;
}

.toast-success {
  background: #059669;
  border-left: 4px solid #34d399;
}

.toast-error {
  background: #dc2626;
  border-left: 4px solid #f87171;
}

.toast-info {
  background: #1d4ed8;
  border-left: 4px solid #60a5fa;
}

@keyframes slideInToast {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ==========================================================================
   VIEW 1: LOGIN VIEW
   ========================================================================== */
.view-section {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 100vh;
}

.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  padding: 40px;
  border-radius: var(--radius-xl);
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
}

.university-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
  margin-bottom: 16px;
}

.badge-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--bdu-light);
}

.login-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-main);
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.required {
  color: var(--color-rose);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-dim);
}

.form-input,
.form-textarea,
.custom-select {
  width: 100%;
  padding: 12px 14px 12px 42px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.2s ease;
}

.form-textarea {
  padding: 12px 14px;
  resize: vertical;
}

.form-input:focus,
.form-textarea:focus,
.custom-select:focus {
  border-color: var(--bdu-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  background: rgba(255, 255, 255, 0.07);
}

.input-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
}

.input-btn:hover {
  color: var(--text-main);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--bdu-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(29, 78, 216, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(29, 78, 216, 0.5);
}

.btn-success {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 1rem;
}

.login-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ==========================================================================
   VIEW 2: APP LAYOUT (SIDEBAR + MAIN)
   ========================================================================== */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* Sidebar */
.sidebar {
  width: 270px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  font-size: 1.8rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-md);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  display: block;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 20px 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nav-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 0 12px 6px;
}

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active {
  background: var(--bdu-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(29, 78, 216, 0.3);
}

.nav-icon {
  font-size: 1.1rem;
}

.nav-text {
  flex: 1;
}

.badge-mini {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  text-transform: uppercase;
}

.badge-pill-blue {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.badge-pill-emerald {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.badge-pill-purple {
  background: rgba(139, 92, 246, 0.2);
  color: #c084fc;
}

.badge-pill-amber {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-profile-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.avatar-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1d4ed8, #60a5fa);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-fullname {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-mssv-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-logout {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-rose);
}

/* Main Content Wrapper */
.main-content-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.topbar {
  height: 70px;
  padding: 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
}

.topbar-badge {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.topbar-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Dashboard Body */
.dashboard-body {
  flex: 1;
  padding: 30px;
  overflow-y: auto;
}

.tab-pane {
  display: none;
  animation: fadeInTab 0.3s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeInTab {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   TAB 1: GRADES & GPA COMPONENTS
   ========================================================================== */
.hero-section {
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-profile {
  display: flex;
  align-items: center;
  gap: 20px;
}

.hero-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
}

.hero-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.tag-role {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.tag-active {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.hero-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat-card {
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 14px;
}

.stat-icon {
  font-size: 1.8rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
}

.stat-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 800;
}

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

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

.text-gradient-blue {
  color: var(--bdu-light);
}

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

/* Analytics Grid */
.analytics-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 24px;
  margin-bottom: 24px;
}

.chart-card {
  padding: 20px;
  border-radius: var(--radius-lg);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.chart-container {
  height: 240px;
  position: relative;
}

/* Gradebook Table */
.gradebook-section {
  border-radius: var(--radius-lg);
  padding: 20px;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.search-box {
  position: relative;
  width: 240px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.search-input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
}

.btn-action-sm {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-action-sm:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Semester Group Card */
.semester-block {
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.semester-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.sem-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bdu-light);
}

.sem-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.table-responsive {
  overflow-x: auto;
}

.grade-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.grade-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
}

.grade-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.grade-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.course-name-cell {
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
}

.course-name-cell:hover {
  color: var(--bdu-light);
}

.grade-pill {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.8rem;
}

.grade-a {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.grade-b {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.grade-c {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.grade-d {
  background: rgba(249, 115, 22, 0.2);
  color: #fb923c;
}

.grade-f {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.empty-text {
  color: var(--text-muted);
}

.table-footer {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ==========================================================================
   TAB 2: STUDENT PROFILE
   ========================================================================== */
.section-header-box {
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 24px;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 800;
}

.section-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-split {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   TAB 2: BENTO PROFILE SYSTEM
   ========================================================================== */
.bdu-profile-bento-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* 1. Hero Master Card */
.profile-hero-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  position: relative;
  overflow: hidden;
}

.profile-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #6366f1, #8b5cf6, #ec4899);
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.bdu-badge-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #3b82f6;
}

.badge-pipe {
  color: var(--text-dim);
}

.brand-sub {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
}

.live-sync-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.3);
    opacity: 1;
  }

  100% {
    transform: scale(0.95);
    opacity: 0.8;
  }
}

.hero-card-body {
  display: flex;
  gap: 32px;
  align-items: center;
}

.student-avatar-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.avatar-ring {
  width: 120px;
  height: 150px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid rgba(59, 130, 246, 0.3);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  background: var(--bg-card);
  position: relative;
}

.student-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.student-avatar-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e3a8a, #3b82f6);
  color: #ffffff;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.student-status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #10b981;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
}

.student-core-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.name-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.student-main-name {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
  line-height: 1.2;
}

.verified-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #3b82f6;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mssv-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.mssv-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.mssv-badge:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.mssv-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.mssv-number {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #60a5fa;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.copy-icon {
  font-size: 0.85rem;
  opacity: 0.7;
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.quick-chips-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.info-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.info-chip:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(59, 130, 246, 0.3);
}

.chip-icon {
  font-size: 1.4rem;
}

.chip-content {
  display: flex;
  flex-direction: column;
}

.chip-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.chip-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.chip-highlight {
  color: #60a5fa;
}

/* 2. Dual Sub Bento Grid */
.profile-sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.sub-bento-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-head-mini {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-head-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.head-icon {
  font-size: 1.25rem;
}

.card-head-title h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.bento-list-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bento-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.item-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.item-icon {
  font-size: 1rem;
}

.item-label {
  color: var(--text-muted);
  font-weight: 500;
}

.item-value {
  font-weight: 700;
  color: var(--text-main);
}

/* Advisor Card */
.advisor-profile-box {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 10px 0;
}

.advisor-header-inline {
  display: flex;
  align-items: center;
  gap: 18px;
}

.advisor-avatar-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #059669, #10b981);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
  flex-shrink: 0;
}

.advisor-title-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.advisor-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
}

.advisor-sub {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dot-separator {
  color: var(--text-dim);
}

.advisor-actions {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

.btn-advisor-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  width: 100%;
}

.btn-advisor-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
  color: #fff;
}

@media (max-width: 900px) {
  .hero-card-body {
    flex-direction: column;
    align-items: flex-start;
  }

  .profile-sub-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   TAB 3: SCHEDULE
   ========================================================================== */
.schedule-badge {
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--bdu-light);
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.schedule-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--bdu-light);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sch-day {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--bdu-light);
  margin-bottom: 6px;
}

.sch-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.sch-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.sch-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sch-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  font-size: 0.75rem;
}

/* ==========================================================================
   TAB 4: WORDFMT INTEGRATION
   ========================================================================== */
.wordfmt-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}

.wordfmt-card {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.dropzone-box {
  border: 2px dashed rgba(59, 130, 246, 0.4);
  background: rgba(59, 130, 246, 0.04);
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.dropzone-box:hover,
.dropzone-box.dragover {
  border-color: var(--bdu-light);
  background: rgba(59, 130, 246, 0.1);
}

.hidden-file-input {
  display: none;
}

.dropzone-icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.dropzone-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.dropzone-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.dropzone-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.file-info-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: var(--radius-md);
}

.file-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-main);
}

.btn-remove-file {
  background: none;
  border: none;
  color: var(--color-rose);
  font-weight: 700;
  cursor: pointer;
  padding: 4px 8px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.features-checklist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.feature-item {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* WordFmt Result Column */
.result-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  text-align: center;
}

.status-placeholder-content {
  max-width: 320px;
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.wordfmt-success-box {
  padding: 10px;
}

.success-header {
  text-align: center;
  margin-bottom: 24px;
}

.success-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.success-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.success-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.diagnostics-box {
  margin-top: 24px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.diag-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-muted);
}

.diag-items {
  max-height: 180px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.diag-line {
  padding: 4px 8px;
  border-radius: 4px;
}

.diag-pass {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
}

.diag-info {
  background: rgba(59, 130, 246, 0.1);
  color: #60a5fa;
}

/* ==========================================================================
   TAB 5: AUTO SURVEY BOT
   ========================================================================== */
.survey-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
}

.survey-card,
.terminal-card {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.radio-options-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.radio-card.active,
.radio-card:hover {
  border-color: var(--bdu-light);
  background: rgba(59, 130, 246, 0.08);
}

.radio-content {
  display: flex;
  flex-direction: column;
}

.r-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.r-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Terminal Console */
.terminal-card {
  background: #060911;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 12px;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red {
  background: #ef4444;
}

.dot-yellow {
  background: #f59e0b;
}

.dot-green {
  background: #10b981;
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.btn-terminal-clear {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.75rem;
  cursor: pointer;
}

.btn-terminal-clear:hover {
  color: var(--text-main);
}

.terminal-body {
  flex: 1;
  min-height: 280px;
  max-height: 380px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.term-line {
  word-break: break-all;
}

.term-time {
  color: var(--text-dim);
  margin-right: 6px;
}

.term-info {
  color: #93c5fd;
}

.term-warning {
  color: #fde047;
}

.term-success {
  color: #86efac;
  font-weight: 600;
}

.term-muted {
  color: var(--text-dim);
}

/* ==========================================================================
   TAB 6: COMING SOON PREVIEW
   ========================================================================== */
.coming-soon-card {
  padding: 50px 30px;
  text-align: center;
  border-radius: var(--radius-lg);
}

.cs-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
}

.cs-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.cs-desc {
  max-width: 540px;
  margin: 0 auto 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.cs-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.cs-feat-item {
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ==========================================================================
   TAB 7: LEARNING HUB
   ========================================================================== */
.learning-section-block {
  margin-bottom: 36px;
}

.learning-block-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.doc-card {
  padding: 20px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.doc-format-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.badge-pdf {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.badge-docx {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.badge-pptx {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

.doc-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.doc-course {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.doc-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.video-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.video-thumb-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 */
  background: #000;
}

.video-thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}

.video-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.8);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.video-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.video-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.video-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.video-lecturer {
  font-size: 0.8rem;
  color: var(--bdu-light);
  font-weight: 600;
}

/* ==========================================================================
   MODAL DIALOG
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-dialog {
  width: 100%;
  max-width: 620px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  animation: modalScale 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScale {
  from {
    transform: scale(0.95);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
}

.modal-badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  font-family: var(--font-mono);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 24px;
}

.course-summary-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.component-section-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.modal-table th,
.modal-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

/* Spinner */
.spinner {
  animation: rotate 2s linear infinite;
  width: 20px;
  height: 20px;
}

.spinner .path {
  stroke: #ffffff;
  stroke-linecap: round;
  animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes dash {
  0% {
    stroke-dasharray: 1, 150;
    stroke-dashoffset: 0;
  }

  50% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -35;
  }

  100% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -124;
  }
}

/* ========================================================================= */
/* TAB 3: SCHEDULE STYLING                                                   */
/* ========================================================================= */
.schedule-controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.schedule-select-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.schedule-select-wrapper .select-icon {
  position: absolute;
  left: 12px;
  pointer-events: none;
  font-size: 1rem;
}

.schedule-dropdown {
  padding: 8px 16px 8px 36px !important;
  background: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
  min-width: 240px;
}

.schedule-dropdown:focus {
  border-color: #3b82f6 !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.schedule-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #10b981;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.schedule-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.schedule-card:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.schedule-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #3b82f6, #8b5cf6);
  border-radius: 4px 0 0 4px;
}

.sch-day-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  color: #60a5fa;
  margin-bottom: 12px;
}

.sch-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sch-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.sch-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.sch-room-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 4px;
  color: #fbbf24;
  font-weight: 700;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.sch-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sch-code code {
  font-family: var(--font-mono);
  color: #38bdf8;
  font-weight: 600;
}

/* Responsive */
@media (max-width: 992px) {
  .app-layout {
    flex-direction: column;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    height: 100vh;
    transition: left 0.3s ease;
  }

  .sidebar.open {
    left: 0;
  }

  .mobile-only {
    display: flex;
  }

  .analytics-grid,
  .wordfmt-layout,
  .survey-layout,
  .profile-grid,
  .schedule-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   2026 ACADEMIC EDITORIAL REDESIGN
   White / burgundy institutional language inspired by international universities
   ========================================================================== */
:root {
  --font-main: 'Libre Franklin', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', monospace;
  --bdu-primary: #8c1515;
  --bdu-accent: #a51c30;
  --bdu-light: #b4232a;
  --bdu-gradient: #8c1515;
  --bdu-glow: rgba(140, 21, 21, 0.12);
  --color-emerald: #18794e;
  --color-amber: #9a6700;
  --color-rose: #b4232a;
  --color-purple: #6b4f78;
  --bg-app: #f7f6f2;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #fbfaf7;
  --border-color: #dedbd3;
  --border-color-focus: rgba(140, 21, 21, 0.42);
  --text-main: #242321;
  --text-muted: #625f59;
  --text-dim: #817d75;
  --glass-bg: #ffffff;
  --glass-border: #dedbd3;
  --glass-shadow: 0 1px 2px rgba(42, 35, 27, 0.04), 0 8px 28px rgba(42, 35, 27, 0.05);
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 7px;
  --radius-xl: 9px;
}

body.theme-light {
  --bg-app: #f7f6f2;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #fbfaf7;
  --border-color: #dedbd3;
  --border-color-focus: rgba(140, 21, 21, 0.42);
  --text-main: #242321;
  --text-muted: #625f59;
  --text-dim: #817d75;
  --glass-bg: #ffffff;
  --glass-border: #dedbd3;
  --glass-shadow: 0 1px 2px rgba(42, 35, 27, 0.04), 0 8px 28px rgba(42, 35, 27, 0.05);
}

body.theme-dark {
  --bg-app: #171514;
  --bg-sidebar: #211e1c;
  --bg-card: #25211f;
  --bg-card-hover: #2b2724;
  --border-color: #48403a;
  --border-color-focus: rgba(221, 151, 151, 0.55);
  --text-main: #f7f2e9;
  --text-muted: #c0b8ae;
  --text-dim: #948b82;
  --glass-bg: #25211f;
  --glass-border: #48403a;
  --glass-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  --bdu-light: #e2a7a7;
}

html,
body {
  background: var(--bg-app);
  letter-spacing: -0.008em;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: linear-gradient(rgba(80, 70, 60, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(80, 70, 60, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}

.bg-glow {
  display: none;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

h1,
h2,
h3,
.login-title,
.topbar-title,
.hero-name,
.section-title,
.student-main-name,
.card-title,
.success-title,
.cs-title {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
}

/* Login: institutional split composition */
.login-wrapper {
  position: relative;
  display: grid;
  grid-template-columns: minmax(420px, 1.1fr) minmax(420px, 0.9fr);
  min-height: 100vh;
  padding: 0;
  background: #8c1515;
}

.login-wrapper::before {
  content: '';
  position: absolute;
  inset: 0 46% 0 0;
  pointer-events: none;
  opacity: 0.32;
  background-image: radial-gradient(circle at 18% 12%, rgba(255, 255, 255, .2) 0 1px, transparent 1.5px), linear-gradient(135deg, transparent 0 62%, rgba(255, 255, 255, .06) 62% 63%, transparent 63%);
  background-size: 22px 22px, 100% 100%;
}

.login-context {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: clamp(48px, 7vw, 108px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
}

.institution-mark {
  width: 92px;
  height: 108px;
  border: 1px solid rgba(255, 255, 255, .7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 48px;
  position: relative;
}

.institution-mark::before,
.institution-mark::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1px;
  background: rgba(255, 255, 255, .5);
}

.institution-mark::before {
  top: 13px;
}

.institution-mark::after {
  bottom: 13px;
}

.institution-mark-monogram {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: .06em;
}

.institution-mark-est {
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .15em;
  opacity: .8;
}

.login-eyebrow,
.login-kicker {
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .7rem;
  font-weight: 700;
}

.login-eyebrow {
  color: rgba(255, 255, 255, .72);
  margin-bottom: 18px;
}

.login-context h2 {
  color: #fff;
  font-size: clamp(2.8rem, 4.8vw, 5.3rem);
  font-weight: 500;
  line-height: .98;
  max-width: 780px;
}

.login-context-copy {
  max-width: 620px;
  margin-top: 26px;
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, .78);
}

.login-context-footer {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: 60px;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .65);
}

.context-separator {
  width: 28px;
  height: 1px;
  background: rgba(255, 255, 255, .45);
}

.login-card {
  align-self: center;
  justify-self: center;
  width: calc(100% - 80px);
  max-width: 500px;
  padding: clamp(36px, 5vw, 64px);
  border: 0;
  border-top: 4px solid var(--bdu-primary);
  border-radius: 0;
  background: #fff;
  color: #211e1d;
  box-shadow: 0 26px 80px rgba(39, 20, 13, .22);
}

.login-header {
  text-align: left;
  margin-bottom: 34px;
}

.university-badge {
  padding: 0;
  margin: 0 0 36px;
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--bdu-primary);
}

.badge-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--bdu-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.badge-tag {
  color: var(--bdu-primary);
  font-size: .68rem;
  letter-spacing: .17em;
}

.login-kicker {
  color: var(--bdu-primary);
  margin-bottom: 8px;
}

.login-title {
  font-size: 2.55rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.login-subtitle {
  font-size: .9rem;
  line-height: 1.65;
}

.form-label {
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: .07em;
  font-size: .7rem;
}

.form-input,
.form-textarea,
.custom-select,
.form-select {
  background: var(--bg-card);
  border: 1px solid #c9c5bd;
  border-radius: 2px;
  min-height: 46px;
}

.form-input:focus,
.form-textarea:focus,
.custom-select:focus {
  border-color: var(--bdu-primary);
  box-shadow: 0 0 0 3px rgba(140, 21, 21, .1);
  background: var(--bg-card);
}

.checkbox-label {
  font-size: .8rem;
}

.btn {
  border-radius: 2px;
  text-transform: none;
}

.btn-primary {
  min-height: 48px;
  background: var(--bdu-primary);
  box-shadow: none;
  letter-spacing: .015em;
}

.btn-primary:hover {
  background: #731111;
  transform: none;
  box-shadow: none;
}

.login-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  text-align: left;
  line-height: 1.55;
}

/* Navigation */
.sidebar {
  width: 284px;
  border: 0;
  border-right: 1px solid var(--border-color);
  box-shadow: none;
}

.sidebar::before {
  content: '';
  height: 5px;
  background: var(--bdu-primary);
  flex-shrink: 0;
}

.sidebar-header {
  padding: 24px 22px 22px;
}

.brand-logo {
  width: 46px;
  height: 52px;
  border-radius: 0;
  background: var(--bdu-primary);
  border: 0;
  color: #fff;
  font-family: var(--font-display);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.brand-subtitle {
  margin-top: 2px;
  font-size: .63rem;
  text-transform: uppercase;
  letter-spacing: .07em;
}

.sidebar-nav {
  padding: 24px 14px;
  gap: 27px;
}

.nav-group-title {
  padding: 0 12px 9px;
  color: var(--text-dim);
  font-size: .64rem;
  letter-spacing: .13em;
}

.nav-item {
  gap: 12px;
  padding: 11px 12px;
  border-radius: 2px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-item:hover {
  background: rgba(140, 21, 21, .055);
  color: var(--bdu-primary);
}

.nav-item.active {
  background: #f3e9e8;
  color: var(--bdu-primary);
  box-shadow: inset 3px 0 0 var(--bdu-primary);
}

.nav-icon {
  width: 24px;
  font-family: var(--font-mono);
  font-size: .64rem;
  color: currentColor;
  opacity: .72;
}

.badge-mini {
  border-radius: 2px;
  letter-spacing: .03em;
}

.badge-pill-blue,
.badge-pill-purple,
.badge-pill-amber,
.badge-pill-emerald {
  background: #f1eeea;
  color: #6b625b;
}

body.theme-dark .nav-item.active {
  background: #3b2423;
}

.sidebar-footer {
  padding: 18px 16px;
  background: var(--bg-card-hover);
}

.avatar-circle {
  border-radius: 2px;
  background: var(--bdu-primary);
}

.btn-logout {
  border-radius: 2px;
}

/* Topbar and content shell */
.topbar {
  height: 82px;
  padding: 0 clamp(22px, 3vw, 46px);
  background: rgba(255, 255, 255, .96);
  border: 0;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 1px 10px rgba(50, 43, 36, .035);
}

body.theme-dark .topbar {
  background: rgba(33, 30, 28, .96);
}

.topbar-title {
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.15;
}

.topbar-badge {
  margin-top: 4px;
  font-size: .63rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.topbar-btn,
.btn-icon,
.btn-action-sm {
  background: transparent;
  border-color: var(--border-color);
  border-radius: 2px;
}

.topbar-btn:hover,
.btn-icon:hover,
.btn-action-sm:hover {
  background: #f3e9e8;
  color: var(--bdu-primary);
}

.dashboard-body {
  width: 100%;
  max-width: 1580px;
  margin: 0 auto;
  padding: clamp(24px, 3vw, 46px);
}

.tab-pane {
  animation: academicFade .28s ease;
}

@keyframes academicFade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* Shared panels and section headings */
.hero-section,
.chart-card,
.gradebook-section,
.section-header-box,
.profile-hero-card,
.sub-bento-card,
.wordfmt-card,
.survey-card,
.coming-soon-card,
.doc-card,
.video-card,
.modal-dialog,
.schedule-card {
  border-radius: var(--radius-md);
}

.section-header-box {
  position: relative;
  padding: 24px 28px 24px 32px;
  border-left: 4px solid var(--bdu-primary);
}

.section-title {
  font-size: 1.6rem;
  font-weight: 600;
}

.section-desc {
  margin-top: 4px;
  line-height: 1.55;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.card-desc {
  margin-top: 3px;
}

/* Student overview */
.hero-section {
  padding: 0;
  overflow: hidden;
  gap: 0;
}

.hero-profile {
  padding: 28px 30px;
  border-bottom: 1px solid var(--border-color);
}

.hero-avatar {
  width: 62px;
  height: 72px;
  border-radius: 2px;
  background: var(--bdu-primary);
  box-shadow: none;
  font-family: var(--font-display);
}

.tag {
  border-radius: 2px;
  letter-spacing: .06em;
}

.tag-role {
  background: #f3e9e8;
  color: var(--bdu-primary);
}

.tag-active {
  background: #eaf4ee;
  color: #18794e;
}

.hero-name {
  font-size: 1.75rem;
  font-weight: 600;
}

.stats-grid {
  gap: 0;
  border: 0;
  grid-template-columns: repeat(4, 1fr);
}

.stat-card {
  padding: 22px 26px;
  background: var(--bg-card);
  border: 0;
  border-right: 1px solid var(--border-color);
  border-radius: 0;
}

.stat-card:last-child {
  border-right: 0;
}

.stat-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #f4f1ed;
  font-size: 1.15rem;
  filter: grayscale(.3);
}

.stat-icon {
  font-family: var(--font-mono);
  font-size: .67rem;
  font-weight: 600;
  letter-spacing: -.04em;
  color: var(--bdu-primary);
  filter: none;
}

body.theme-dark .stat-icon {
  background: #342e2a;
}

.stat-title {
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: .65rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
}

.text-gradient-amber,
.text-gradient-emerald,
.text-gradient-blue,
.text-gradient-purple {
  color: var(--bdu-primary);
}

.analytics-grid {
  grid-template-columns: minmax(0, 1.65fr) minmax(320px, .85fr);
  gap: 20px;
}

.chart-card {
  padding: 24px;
}

.chart-container {
  height: 260px;
}

/* Tables and controls */
.gradebook-section {
  padding: 0;
  overflow: hidden;
}

.toolbar {
  padding: 20px 22px;
  border-bottom: 1px solid var(--border-color);
  margin: 0;
  background: var(--bg-card-hover);
}

.filter-label {
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: .67rem;
}

.custom-select {
  padding: 9px 30px 9px 12px;
  min-height: 38px;
}

.search-input {
  background: var(--bg-card);
  border-color: var(--border-color);
  border-radius: 2px;
  min-height: 38px;
}

.semester-groups-container {
  padding: 22px;
}

.semester-block {
  border-radius: 2px;
  margin-bottom: 18px;
}

.semester-header {
  background: #f5f2ee;
  padding: 14px 18px;
}

body.theme-dark .semester-header {
  background: #2d2825;
}

.sem-title {
  color: var(--bdu-primary);
  font-family: var(--font-display);
  font-size: 1.03rem;
}

.grade-table th {
  padding: 11px 16px;
  background: #faf8f5;
  color: #625f59;
  letter-spacing: .06em;
}

body.theme-dark .grade-table th {
  background: #211e1c;
  color: #c0b8ae;
}

.grade-table td {
  padding: 13px 16px;
}

.grade-table tr:hover td {
  background: #fbf6f5;
}

body.theme-dark .grade-table tr:hover td {
  background: #302724;
}

.course-name-cell:hover {
  color: var(--bdu-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.grade-pill {
  border-radius: 2px;
}

.grade-a,
.grade-b {
  background: #eaf4ee;
  color: #18794e;
}

.grade-c,
.grade-d {
  background: #f8f0d8;
  color: #7d5f00;
}

.grade-f {
  background: #f7e8e7;
  color: var(--bdu-primary);
}

.table-footer {
  margin: 0;
  padding: 14px 22px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-card-hover);
}

/* Profile */
.profile-hero-card {
  padding: 28px;
  box-shadow: var(--glass-shadow);
}

.profile-hero-card::before {
  height: 4px;
  background: var(--bdu-primary);
}

.bdu-badge-brand {
  font-family: var(--font-display);
}

.brand-dot {
  border-radius: 0;
  background: var(--bdu-primary);
}

.live-sync-badge,
.student-status-badge {
  border-radius: 2px;
  background: #eaf4ee;
}

.avatar-ring {
  border-radius: 2px;
  border-color: #cfc8be;
  box-shadow: none;
}

.student-avatar-fallback {
  background: var(--bdu-primary);
  font-family: var(--font-display);
}

.student-main-name {
  font-size: 2rem;
  font-weight: 600;
}

.verified-icon {
  border-radius: 50%;
  background: var(--bdu-primary);
}

.mssv-badge {
  border-radius: 2px;
  background: #f3e9e8;
  border-color: #e3c8c6;
}

.mssv-badge:hover {
  background: #ead8d6;
  border-color: #d4ada9;
  transform: none;
}

.mssv-number,
.chip-highlight {
  color: var(--bdu-primary);
}

.meta-tag,
.info-chip,
.bento-item {
  background: var(--bg-card-hover);
  border-radius: 2px;
}

.info-chip:hover {
  background: #fbf6f5;
  border-color: #d9b2ae;
}

.card-head-title h3,
.advisor-name {
  font-family: var(--font-display);
  font-weight: 600;
}

.advisor-avatar-circle {
  border-radius: 2px;
  background: var(--bdu-primary);
  box-shadow: none;
  font-family: var(--font-display);
}

.btn-advisor-action {
  background: var(--bdu-primary);
  border-radius: 2px;
  box-shadow: none;
}

.btn-advisor-action:hover {
  background: #731111;
  transform: none;
  box-shadow: none;
}

/* Tools, schedules and resource cards */
.schedule-dropdown {
  background: var(--bg-card) !important;
  border-radius: 2px;
}

.schedule-dropdown:focus {
  border-color: var(--bdu-primary) !important;
  box-shadow: 0 0 0 3px rgba(140, 21, 21, .1);
}

.schedule-badge {
  border-radius: 2px;
}

.schedule-card {
  border-left: 4px solid var(--bdu-primary);
}

.schedule-card::before {
  display: none;
}

.schedule-card:hover {
  transform: translateY(-2px);
  border-color: #d1b1ae;
  box-shadow: 0 12px 28px rgba(55, 38, 27, .09);
}

.sch-day,
.sch-day-badge,
.sch-code code {
  color: var(--bdu-primary);
}

.sch-day-badge {
  background: #f3e9e8;
  border-color: #e3c8c6;
  border-radius: 2px;
}

.sch-room-pill {
  background: #f8f0d8;
  border-color: #eadba8;
  color: #795b00;
  border-radius: 2px;
}

.wordfmt-layout,
.survey-layout {
  gap: 20px;
}

.dropzone-box {
  border: 1px dashed #bca7a2;
  background: #fcf8f7;
  border-radius: 3px;
}

.dropzone-box:hover,
.dropzone-box.dragover {
  border-color: var(--bdu-primary);
  background: #f8eeee;
}

body.theme-dark .dropzone-box {
  background: #2d2422;
}

.features-checklist,
.radio-card,
.cs-feat-item {
  background: var(--bg-card-hover);
  border-radius: 2px;
}

.radio-card.active,
.radio-card:hover {
  border-color: var(--bdu-primary);
  background: #fbf1f0;
}

.terminal-card {
  background: #201c1a;
  border-radius: 3px;
}

.success-badge {
  border-radius: 2px;
}

.diagnostics-box {
  border-radius: 2px;
}

.doc-card {
  border-top: 3px solid var(--bdu-primary);
}

.doc-format-badge,
.video-duration,
.modal-badge {
  border-radius: 2px;
}

.video-lecturer {
  color: var(--bdu-primary);
}

/* Modal and notifications */
.modal-backdrop {
  background: rgba(35, 27, 23, .72);
  backdrop-filter: blur(2px);
}

.modal-dialog {
  border-top: 4px solid var(--bdu-primary);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
}

.modal-badge {
  background: #f3e9e8;
  color: var(--bdu-primary);
}

.course-summary-row {
  background: var(--bg-card-hover);
  border-radius: 2px;
}

.toast {
  border-radius: 2px;
  box-shadow: 0 10px 30px rgba(40, 30, 25, .16);
}

.toast-info {
  background: #4f4843;
  border-left-color: #b8aea5;
}

/* Responsive refinement */
@media (max-width: 1100px) {
  .login-wrapper {
    grid-template-columns: 1fr 1fr;
  }

  .login-context {
    padding: 56px;
  }

  .login-context h2 {
    font-size: 3.4rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card:nth-child(2) {
    border-right: 0;
  }

  .stat-card:nth-child(-n+2) {
    border-bottom: 1px solid var(--border-color);
  }
}

@media (max-width: 820px) {
  .login-wrapper {
    display: block;
    background: var(--bg-app);
    padding: 26px;
  }

  .login-context {
    min-height: auto;
    padding: 34px 24px 40px;
    background: var(--bdu-primary);
  }

  .institution-mark {
    width: 68px;
    height: 80px;
    margin-bottom: 28px;
  }

  .login-context h2 {
    font-size: 2.6rem;
  }

  .login-context-copy {
    font-size: 1rem;
  }

  .login-context-footer {
    display: none;
  }

  .login-card {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 36px 28px;
    box-shadow: none;
  }

  .analytics-grid {
    grid-template-columns: 1fr;
  }

  .hero-profile {
    align-items: flex-start;
  }

  .hero-meta {
    flex-direction: column;
    gap: 5px;
  }
}

@media (max-width: 620px) {
  .login-wrapper {
    padding: 0;
  }

  .login-context {
    padding: 28px 22px 34px;
  }

  .login-context h2 {
    font-size: 2.25rem;
  }

  .login-context-copy {
    display: none;
  }

  .university-badge {
    margin-bottom: 26px;
  }

  .login-title {
    font-size: 2.05rem;
  }

  .topbar {
    height: 72px;
    padding: 0 16px;
  }

  .topbar-title {
    font-size: 1.25rem;
  }

  .topbar-badge,
  .btn-label {
    display: none;
  }

  .dashboard-body {
    padding: 18px 14px 28px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-card,
  .stat-card:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
  }

  .stat-card:last-child {
    border-bottom: 0;
  }

  .hero-profile {
    padding: 22px 20px;
  }

  .hero-avatar {
    width: 50px;
    height: 58px;
  }

  .toolbar-left,
  .toolbar-right,
  .filter-group {
    width: 100%;
    align-items: stretch;
  }

  .toolbar-left,
  .toolbar-right {
    flex-direction: column;
  }

  .filter-group {
    flex-direction: column;
    gap: 5px;
  }

  .search-box {
    width: 100%;
  }

  .semester-groups-container {
    padding: 14px;
  }

  .section-header-box {
    padding: 20px 20px 20px 24px;
  }

  .hero-card-header {
    align-items: flex-start;
    gap: 14px;
  }

  .bdu-badge-brand {
    flex-wrap: wrap;
  }

  .brand-sub,
  .badge-pipe {
    display: none;
  }

  .quick-chips-row {
    grid-template-columns: 1fr;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .course-summary-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mobile-only {
  display: none;
}

@media (max-width: 992px) {
  .mobile-only {
    display: flex;
  }
}

/* ========================================================================== 
   PRODUCT LOGIN — INTERACTIVE PRIVACY CHARACTERS
   ========================================================================== */
:root {
  --font-main: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 22px;
}

h1,
h2,
h3,
.login-title,
.topbar-title,
.hero-name,
.section-title,
.student-main-name,
.card-title,
.success-title,
.cs-title,
.brand-title,
.sem-title,
.card-head-title h3,
.advisor-name {
  font-family: var(--font-main);
  letter-spacing: -0.035em;
}

.login-wrapper {
  --look-x: 0px;
  --look-y: 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 42px;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 12%, rgba(140, 21, 21, .1), transparent 28%),
    radial-gradient(circle at 88% 86%, rgba(140, 21, 21, .07), transparent 24%),
    #f4f2ef;
}

.login-wrapper::before {
  inset: 0;
  opacity: .55;
  background-image: radial-gradient(rgba(58, 48, 44, .12) .65px, transparent .65px);
  background-size: 20px 20px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

.auth-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  width: min(1080px, 100%);
  min-height: 640px;
  overflow: hidden;
  border: 1px solid rgba(52, 43, 40, .1);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 32px 90px rgba(55, 37, 31, .16), 0 4px 16px rgba(55, 37, 31, .06);
}

.login-context {
  position: relative;
  min-height: auto;
  padding: 34px 38px 38px;
  overflow: hidden;
  color: #262120;
  background:
    radial-gradient(circle at 80% 18%, rgba(255, 255, 255, .62), transparent 25%),
    #f0e8e7;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.login-context::after {
  content: '';
  position: absolute;
  inset: auto -90px -120px auto;
  width: 290px;
  height: 290px;
  border: 1px solid rgba(140, 21, 21, .12);
  border-radius: 50%;
}

.scene-brand {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: #6e625e;
}

.scene-brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: #8c1515;
  color: #fff;
  font-size: .63rem;
  letter-spacing: -.02em;
}

.character-stage {
  position: relative;
  z-index: 1;
  width: 470px;
  max-width: 100%;
  height: 340px;
  margin: 12px auto 0;
  border-bottom: 2px solid rgba(83, 67, 62, .12);
}

.character {
  position: absolute;
  bottom: 0;
  transform-origin: 50% 100%;
  transition: transform .5s cubic-bezier(.2, .8, .2, 1), border-radius .5s ease;
}

.character-face {
  position: absolute;
  top: 38%;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 11px;
  transform: translateX(-50%);
  transition: transform .42s cubic-bezier(.2, .8, .2, 1);
}

.face-eye {
  position: relative;
  display: block;
  width: 18px;
  height: 22px;
  overflow: hidden;
  border-radius: 50%;
  background: #fff;
  transition: height .25s ease, transform .35s ease;
}

.pupil {
  position: absolute;
  top: 7px;
  left: 6px;
  width: 7px;
  height: 8px;
  border-radius: 50%;
  background: #171515;
  transform: translate(var(--look-x), var(--look-y));
  transition: transform .18s ease-out;
}

.face-mouth {
  position: absolute;
  top: 38px;
  left: 50%;
  width: 14px;
  height: 8px;
  border-bottom: 3px solid #201c1b;
  border-radius: 0 0 14px 14px;
  transform: translateX(-50%);
}

.character-tall {
  left: 118px;
  width: 116px;
  height: 246px;
  border-radius: 24px 24px 7px 7px;
  background: #7a3141;
  box-shadow: inset -12px 0 rgba(53, 15, 26, .08);
}

.character-tall .character-face {
  top: 25%;
}

.character-tall .face-eye {
  width: 10px;
  height: 14px;
  background: #1d1517;
}

.character-tall .pupil {
  display: none;
}

.character-tall .face-mouth {
  top: 29px;
  width: 10px;
  height: 7px;
  border-width: 2px;
}

.character-dark {
  z-index: 3;
  left: 218px;
  width: 102px;
  height: 174px;
  border-radius: 25px 25px 6px 6px;
  background: #222025;
}

.character-dark .character-face {
  top: 28%;
}

.character-round {
  z-index: 4;
  left: 25px;
  width: 218px;
  height: 154px;
  border-radius: 120px 120px 12px 12px;
  background: #dc624f;
}

.character-round .character-face {
  top: 38%;
  gap: 30px;
}

.character-round .face-eye {
  width: 12px;
  height: 15px;
  background: #211b1a;
}

.character-round .pupil {
  display: none;
}

.character-round .face-mouth {
  top: 34px;
  width: 22px;
  height: 11px;
}

.character-pill {
  z-index: 5;
  left: 306px;
  width: 108px;
  height: 158px;
  border-radius: 58px 58px 13px 13px;
  background: #e4bf43;
  box-shadow: inset -10px 0 rgba(114, 83, 0, .08);
}

.character-pill .character-face {
  top: 31%;
  left: 57%;
  display: block;
}

.character-pill .face-eye {
  width: 10px;
  height: 12px;
  background: #211b18;
}

.character-pill .pupil {
  display: none;
}

.character-pill .face-mouth-flat {
  top: 34px;
  left: 12px;
  width: 44px;
  height: 1px;
  border: 0;
  border-top: 3px solid #211b18;
  border-radius: 4px;
}

.character-hand {
  position: absolute;
  z-index: 4;
  top: 64px;
  width: 18px;
  height: 66px;
  border-radius: 12px;
  background: #2d2a30;
  opacity: 0;
  transition: opacity .22s ease, transform .45s cubic-bezier(.2, .8, .2, 1);
}

.hand-left {
  left: 5px;
  transform: rotate(18deg) translate(-8px, 45px);
}

.hand-right {
  right: 5px;
  transform: rotate(-18deg) translate(8px, 45px);
}

.password-active .character-tall {
  transform: rotate(-7deg) translateX(-7px);
}

.password-active .character-tall .character-face {
  transform: translateX(-82%);
}

.password-active .character-dark {
  transform: translateY(5px);
}

.password-active .character-dark .face-eye {
  height: 5px;
  transform: translateY(8px);
}

.password-active .character-dark .pupil {
  opacity: 0;
}

.password-active .character-round {
  transform: translateX(-15px) rotate(-4deg);
}

.password-active .character-round .face-eye {
  height: 3px;
  transform: translateY(6px);
}

.password-active .character-round .face-mouth {
  width: 14px;
  border-radius: 0;
}

.password-active .character-pill {
  transform: translateX(14px) rotate(8deg);
}

.password-active .character-pill .character-face {
  transform: translateX(10px);
}

.password-active .character-pill .face-eye {
  transform: translateX(22px);
}

.password-active .character-pill .face-mouth {
  transform: translateX(13px);
}

.password-active .character-hand {
  opacity: 1;
}

.password-active .hand-left {
  transform: rotate(67deg) translate(3px, -12px);
}

.password-active .hand-right {
  transform: rotate(-67deg) translate(-3px, -12px);
}

.scene-copy {
  position: relative;
  z-index: 2;
  max-width: 390px;
}

.scene-kicker {
  margin-bottom: 8px;
  color: #8c1515;
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.scene-copy h2 {
  color: #262120;
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.15;
}

.scene-copy>p:last-child {
  margin-top: 7px;
  color: #756864;
  font-size: .83rem;
}

.login-card {
  align-self: stretch;
  justify-self: stretch;
  width: auto;
  max-width: none;
  padding: 64px 58px 48px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-header {
  margin-bottom: 36px;
}

.university-badge {
  margin: 0 0 50px;
}

.university-badge .badge-tag {
  color: #8c1515;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .16em;
}

.login-title {
  margin-bottom: 8px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.05em;
}

.login-subtitle {
  color: #827874;
  font-size: .84rem;
}

.login-card .form-group {
  margin-bottom: 24px;
}

.login-card .form-label {
  margin-bottom: 5px;
  color: #3d3735;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.login-card .form-input {
  min-height: 44px;
  padding: 8px 58px 8px 0;
  border: 0;
  border-bottom: 1px solid #cfc9c5;
  border-radius: 0;
  background: transparent;
  color: #211e1d;
  font-size: .93rem;
}

.login-card .form-input::placeholder {
  color: #aaa19d;
}

.login-card .form-input:focus {
  border-color: #8c1515;
  background: transparent;
  box-shadow: 0 1px 0 #8c1515;
}

.login-card .input-btn {
  right: 0;
  padding: 6px 0 6px 10px;
  color: #8c1515;
  font-size: .7rem;
  font-weight: 800;
}

.login-card .form-actions {
  margin: 2px 0 26px;
}

.login-card .checkbox-label {
  color: #675f5b;
  font-size: .75rem;
}

.login-card .checkbox-label input {
  accent-color: #8c1515;
}

.checkbox-custom {
  display: none;
}

.login-card .btn-primary {
  min-height: 50px;
  border-radius: 999px;
  background: #211e20;
  font-size: .84rem;
}

.login-card .btn-primary:hover {
  background: #8c1515;
}

.login-footer {
  margin-top: 26px;
  padding-top: 18px;
  text-align: center;
}

.login-note {
  color: #938985;
  font-size: .68rem;
}

.toast-mark {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
}

.empty-monogram {
  width: 42px;
  height: 42px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: .65rem;
  color: var(--bdu-primary);
}

/* Remove decorative emoji/icon holders; functional controls remain discoverable. */
.chip-icon,
.head-icon,
.item-icon,
.select-icon,
.dropzone-icon,
.file-icon,
.placeholder-icon,
.cs-icon,
.copy-icon {
  display: none;
}

.info-chip,
.item-left,
.card-head-title {
  gap: 0;
}

.schedule-dropdown {
  padding-left: 14px !important;
}

.dropzone-box {
  padding-block: 38px;
}

@media (prefers-reduced-motion: reduce) {

  .character,
  .character-face,
  .face-eye,
  .pupil,
  .character-hand {
    transition: none !important;
  }
}

@media (max-width: 900px) {
  .login-wrapper {
    padding: 24px;
  }

  .auth-shell {
    grid-template-columns: 1fr;
    width: min(560px, 100%);
  }

  .login-context {
    min-height: 300px;
    padding: 24px 28px;
  }

  .character-stage {
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 470px;
    height: 275px;
    transform: translateX(-50%) scale(.7);
    transform-origin: 50% 100%;
  }

  .scene-copy {
    display: none;
  }

  .login-card {
    padding: 46px 46px 38px;
  }

  .university-badge {
    margin-bottom: 34px;
  }
}

@media (max-width: 560px) {
  .login-wrapper {
    padding: 14px;
  }

  .auth-shell {
    border-radius: 20px;
  }

  .login-context {
    min-height: 245px;
    padding: 20px 22px;
  }

  .scene-brand {
    font-size: .6rem;
  }

  .scene-brand-mark {
    width: 31px;
    height: 31px;
    border-radius: 7px;
  }

  .character-stage {
    bottom: -9px;
    transform: translateX(-50%) scale(.57);
  }

  .login-card {
    padding: 38px 28px 30px;
  }

  .login-title {
    font-size: 1.75rem;
  }

  .university-badge {
    margin-bottom: 28px;
  }

  .login-footer {
    margin-top: 20px;
  }
}

/* ==========================================================================
   AUTO ENGLISH EXERCISE / MOODLE
   ========================================================================== */
.english-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 24px;
  align-items: stretch;
}

.english-card,
.english-bank {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.english-card-heading,
.english-bank-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.english-help {
  margin-top: 5px;
  color: var(--text-muted);
  font-size: .8rem;
  line-height: 1.55;
}

.english-status,
.english-answer-count {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.english-status::before {
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: currentColor;
  content: '';
}

.english-status.is-online {
  border-color: rgba(24, 121, 78, .3);
  background: rgba(24, 121, 78, .08);
  color: var(--color-emerald);
}

.english-status.is-offline {
  color: var(--text-dim);
}

.english-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}

.english-form-grid .form-group:last-child {
  grid-column: 1 / -1;
}

.english-input,
.english-select {
  padding: 11px 13px;
}

.english-run-settings {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--border-color);
  transition: opacity .2s ease;
}

.english-run-settings.is-disabled {
  opacity: .52;
}

.english-options-row {
  display: grid;
  grid-template-columns: minmax(140px, .7fr) minmax(220px, 1.3fr);
  gap: 14px;
  align-items: stretch;
}

.english-submit-option {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 70px;
  margin-bottom: 20px;
  padding: 12px 14px;
  border: 1px solid rgba(180, 35, 42, .26);
  background: rgba(180, 35, 42, .05);
  cursor: pointer;
}

.english-submit-option input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-rose);
}

.english-submit-option span {
  display: flex;
  flex-direction: column;
}

.english-submit-option strong {
  color: var(--text-main);
  font-size: .84rem;
}

.english-submit-option small {
  margin-top: 2px;
  color: var(--color-rose);
  font-size: .7rem;
}

.english-warning {
  margin-bottom: 18px;
  padding: 12px 14px;
  border-left: 3px solid var(--color-amber);
  background: rgba(154, 103, 0, .08);
  color: var(--text-muted);
  font-size: .76rem;
  line-height: 1.55;
}

.english-actions {
  display: grid;
  grid-template-columns: 1.45fr .8fr;
  gap: 10px;
}

.english-terminal-card {
  min-height: 560px;
}

.term-action {
  color: #c4b5fd;
}

.term-error {
  color: #fca5a5;
  font-weight: 600;
}

.english-bank {
  margin-top: 24px;
}

.english-answer-count {
  background: var(--bg-card-hover);
  color: var(--text-muted);
}

.english-answer-form {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr) auto;
  gap: 10px;
  margin-bottom: 18px;
}

.english-answer-table-wrap {
  max-height: 390px;
  overflow: auto;
  border: 1px solid var(--border-color);
}

.english-answer-table {
  min-width: 720px;
}

.english-answer-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--bg-card);
}

.english-empty {
  padding: 28px !important;
  color: var(--text-muted);
  text-align: center;
}

.english-delete-answer {
  padding: 5px 9px;
  border: 1px solid rgba(180, 35, 42, .25);
  background: rgba(180, 35, 42, .06);
  color: var(--color-rose);
  cursor: pointer;
  font: inherit;
  font-size: .72rem;
}

.english-delete-answer:hover {
  background: rgba(180, 35, 42, .12);
}

@media (max-width: 1100px) {
  .english-layout {
    grid-template-columns: 1fr;
  }

  .english-terminal-card {
    min-height: 400px;
  }
}

@media (max-width: 700px) {
  .english-card,
  .english-bank {
    padding: 20px;
  }

  .english-card-heading,
  .english-bank-header {
    flex-direction: column;
  }

  .english-form-grid,
  .english-options-row,
  .english-actions,
  .english-answer-form {
    grid-template-columns: 1fr;
  }

  .english-form-grid .form-group:last-child {
    grid-column: auto;
  }
}