/* ==========================================================================
   Ruptela Onboarding Center — Stylesheet
   Design system based on Ruptela Brandbook 2025 Guidelines
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,600;0,700;1,400&display=swap');

/* Color Variables and Theme Variables */
:root {
  /* Colors from Ruptela Brandbook */
  --ruptela-indigo: #19356a;
  --ruptela-indigo-rgb: 25, 53, 106;
  --ruptela-dark-pastel-blue: #7d8bca;
  --ruptela-pale-violet: #B4B9F9;
  --ruptela-light-steel-blue: #abbad9;
  --ruptela-lavender-gray: #bdc2cc;
  --ruptela-white: #ffffff;
  
  /* Additional UI Palette */
  --success-color: #2ec4b6;
  --warning-color: #ff9f1c;
  --danger-color: #e71d36;
  
  /* Light Theme Variables */
  --bg-primary: #f4f6fc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f0f2f9;
  --bg-sidebar: #19356a;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-sidebar: #e2e8f0;
  --text-sidebar-active: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.03);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] {
  /* Dark Theme Variables */
  --bg-primary: #0a1128;
  --bg-secondary: #101c42;
  --bg-tertiary: #162456;
  --bg-sidebar: #080d21;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-sidebar: #abbad9;
  --text-sidebar-active: #B4B9F9;
  --border-color: #1e2d60;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -1px rgba(0,0,0,0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.4), 0 10px 10px -5px rgba(0,0,0,0.3);
  --glass-bg: rgba(16, 28, 66, 0.6);
  --glass-border: rgba(30, 45, 96, 0.5);
}

/* Base Styles & Resets */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif; /* Substitution according to brandbook page 8 */
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6, .titles-font {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--ruptela-lavender-gray);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ruptela-dark-pastel-blue);
}

/* ==========================================================================
   Layout Styles
   ========================================================================== */
.layout-wrapper {
  display: flex;
  min-height: 100vh;
  width: 100vw;
  position: relative;
}

/* Sidebar styling (Official Indigo #19356a Background) */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
  z-index: 100;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
}

.sidebar-brand {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--ruptela-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  font-weight: bold;
  color: var(--ruptela-indigo);
  font-size: 20px;
}

.brand-name {
  color: var(--ruptela-white);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
}

.brand-subname {
  font-size: 10px;
  color: var(--ruptela-pale-violet);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.sidebar-menu {
  flex: 1;
  padding: 24px 16px;
  list-style: none;
  overflow-y: auto;
}

.menu-section-title {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--ruptela-light-steel-blue);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  padding-left: 12px;
  opacity: 0.6;
}

.sidebar-menu li {
  margin-bottom: 6px;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.sidebar-menu a i {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.sidebar-menu a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--ruptela-pale-violet);
}

.sidebar-menu li.active a {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  color: var(--text-sidebar-active);
  font-weight: 600;
  border-left: 4px solid var(--ruptela-pale-violet);
  padding-left: 12px;
}

.sidebar-footer {
  padding: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.15);
  padding: 8px 12px;
  border-radius: 8px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ruptela-pale-violet);
  color: var(--ruptela-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-info-name {
  font-weight: 600;
  color: var(--ruptela-white);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-info-role {
  font-size: 10px;
  color: var(--ruptela-light-steel-blue);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: all 0.3s ease;
}

/* Header style */
.header {
  height: 70px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-title-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.sidebar-toggle:hover {
  background-color: var(--bg-tertiary);
}

.header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ruptela-indigo);
}

[data-theme="dark"] .header-title {
  color: var(--ruptela-pale-violet);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Search bar styling */
.search-wrapper {
  position: relative;
  display: none; /* Can be enabled dynamically or left as MVP option */
}

/* Custom dropdown for language toggles */
.language-selector {
  position: relative;
  display: inline-block;
}

.btn-lang {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-lang:hover {
  background: var(--border-color);
}

.lang-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  display: none;
  min-width: 140px;
  z-index: 110;
  overflow: hidden;
  animation: slideDown 0.2s ease;
}

.lang-dropdown.show {
  display: block;
}

.lang-option {
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s;
}

.lang-option:hover {
  background-color: var(--bg-tertiary);
}

.lang-option.active {
  font-weight: bold;
  color: var(--ruptela-indigo);
  background-color: rgba(var(--ruptela-indigo-rgb), 0.05);
}

[data-theme="dark"] .lang-option.active {
  color: var(--ruptela-pale-violet);
  background-color: rgba(180, 185, 249, 0.1);
}

/* Theme Toggle Button */
.btn-theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.btn-theme-toggle:hover {
  background: var(--border-color);
}

/* Notification Popover */
.notification-bell {
  position: relative;
  cursor: pointer;
}

.bell-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--danger-color);
  color: white;
  font-size: 9px;
  font-weight: bold;
  height: 16px;
  min-width: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--bg-secondary);
}

/* Logout Button */
.btn-logout {
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-logout:hover {
  border-color: var(--danger-color);
  color: var(--danger-color);
}

/* Viewport Area */
.content-viewport {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

/* ==========================================================================
   Page & Routing Components
   ========================================================================== */
.view-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.view-panel.active {
  display: block;
}

/* ==========================================================================
   Dashboard Page Components
   ========================================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--ruptela-indigo);
}

[data-theme="dark"] .stat-value {
  color: var(--ruptela-pale-violet);
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: rgba(var(--ruptela-indigo-rgb), 0.05);
  color: var(--ruptela-indigo);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

[data-theme="dark"] .stat-icon {
  background: rgba(180, 185, 249, 0.1);
  color: var(--ruptela-pale-violet);
}

.dashboard-charts {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 1024px) {
  .dashboard-charts {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.chart-title {
  font-size: 16px;
  font-weight: 700;
}

.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

.recent-activity-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
}

.activity-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.activity-details {
  flex: 1;
}

.activity-text {
  font-size: 13px;
  line-height: 1.4;
}

.activity-time {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ==========================================================================
   Learning Paths and Modules
   ========================================================================== */
.paths-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.path-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.path-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.path-banner {
  height: 120px;
  background: linear-gradient(135deg, var(--ruptela-indigo), var(--ruptela-dark-pastel-blue));
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: white;
  position: relative;
}

.path-tag {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  align-self: flex-start;
}

.path-title {
  font-size: 18px;
  color: white;
  font-weight: 700;
}

.path-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.path-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

.path-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.path-progress-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.path-progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
}

.progress-track {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--ruptela-dark-pastel-blue), var(--ruptela-pale-violet));
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* Detail View Layout */
.detail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  min-height: calc(100vh - 180px);
}

@media (max-width: 900px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }
}

.detail-sidebar {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
  position: sticky;
  top: 90px;
}

.modules-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.module-item {
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.module-item:hover {
  background: var(--bg-tertiary);
}

.module-item.active {
  background: rgba(var(--ruptela-indigo-rgb), 0.05);
  border-color: rgba(var(--ruptela-indigo-rgb), 0.15);
  font-weight: 600;
}

[data-theme="dark"] .module-item.active {
  background: rgba(180, 185, 249, 0.1);
  border-color: rgba(180, 185, 249, 0.25);
  color: var(--ruptela-pale-violet);
}

.module-status-icon {
  font-size: 14px;
}

.module-status-icon.completed {
  color: var(--success-color);
}

.module-status-icon.pending {
  color: var(--text-secondary);
}

.module-title-side {
  font-size: 13px;
  flex: 1;
  line-height: 1.3;
}

.detail-main {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

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

.module-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tag {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
}

.tag-video { background: rgba(125, 139, 202, 0.15); color: #5868a8; }
.tag-quiz { background: rgba(255, 159, 28, 0.15); color: #cc7e14; }
.tag-guide { background: rgba(46, 196, 182, 0.15); color: #1f9489; }

.module-main-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ruptela-indigo);
  margin-bottom: 8px;
}

[data-theme="dark"] .module-main-title {
  color: var(--ruptela-pale-violet);
}

.module-meta-info {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* Simulated Video Player */
.video-player-wrapper {
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
  aspect-ratio: 16/9;
  position: relative;
  box-shadow: var(--shadow-md);
}

.video-sim-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);
  cursor: pointer;
  z-index: 10;
}

.video-play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--ruptela-pale-violet);
  color: var(--ruptela-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(180, 185, 249, 0.4);
  transition: transform 0.2s;
}

.video-sim-overlay:hover .video-play-btn {
  transform: scale(1.1);
}

.video-sim-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  color: white;
  font-size: 13px;
  z-index: 20;
}

.video-sim-progress {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}

.video-sim-progress-fill {
  height: 100%;
  background: var(--ruptela-pale-violet);
  width: 0%;
  border-radius: 2px;
}

/* Checklist Panel */
.checklist-wrapper {
  margin-top: 32px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  padding: 24px;
}

.section-subtitle {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.4;
}

.checklist-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--ruptela-indigo);
  margin-top: 2px;
  cursor: pointer;
}

[data-theme="dark"] .checklist-item input[type="checkbox"] {
  accent-color: var(--ruptela-pale-violet);
}

.checklist-item.checked {
  color: var(--text-secondary);
  text-decoration: line-through;
}

/* Quiz UI Card */
.quiz-wrapper {
  margin-top: 32px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
  background: var(--bg-secondary);
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.quiz-question-number {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.quiz-question-text {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.4;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  padding: 14px 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-option:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--ruptela-lavender-gray);
}

.quiz-option.selected {
  background-color: rgba(var(--ruptela-indigo-rgb), 0.05);
  border-color: var(--ruptela-indigo);
  font-weight: 600;
}

[data-theme="dark"] .quiz-option.selected {
  background-color: rgba(180, 185, 249, 0.1);
  border-color: var(--ruptela-pale-violet);
}

.quiz-option.correct {
  background-color: rgba(46, 196, 182, 0.15);
  border-color: var(--success-color);
  color: #1f9489;
  font-weight: 600;
}

.quiz-option.incorrect {
  background-color: rgba(231, 29, 54, 0.1);
  border-color: var(--danger-color);
  color: #c9182d;
  font-weight: 600;
}

.quiz-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 24px;
  gap: 12px;
}

/* ==========================================================================
   Certificate Generation Screen
   ========================================================================== */
.certificate-preview-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
}

.certificate-card {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 1.414 / 1; /* A4 Ratio */
  background: white;
  color: #1e293b;
  border: 16px double var(--ruptela-indigo);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cert-watermark {
  position: absolute;
  font-size: 260px;
  opacity: 0.02;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-30deg);
  pointer-events: none;
  font-weight: 700;
  color: var(--ruptela-indigo);
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 16px;
}

.cert-logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cert-logo-circle {
  width: 40px;
  height: 40px;
  background: var(--ruptela-indigo);
  border-radius: 50%;
  color: white;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.cert-logo-text {
  font-weight: 700;
  font-size: 18px;
  color: var(--ruptela-indigo);
  text-align: left;
}

.cert-badge {
  font-size: 11px;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-secondary);
}

.cert-body {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cert-title {
  font-size: 28px;
  color: var(--ruptela-indigo);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.cert-recipient-label {
  font-size: 13px;
  color: #64748b;
  font-style: italic;
}

.cert-recipient-name {
  font-size: 24px;
  font-weight: 700;
  color: #0f172a;
  border-bottom: 2px solid #cbd5e1;
  padding-bottom: 4px;
  display: inline-block;
  margin: 8px auto;
  min-width: 250px;
}

.cert-course-title {
  font-size: 16px;
  font-weight: 600;
  color: #334155;
  margin-top: 10px;
}

.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-size: 11px;
  color: #64748b;
}

.cert-footer-col {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cert-signature-line {
  border-top: 1px solid #94a3b8;
  padding-top: 4px;
  margin-top: 24px;
  min-width: 150px;
  font-weight: 600;
  text-align: center;
}

.cert-seal {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, #e2e8f0 0%, #cbd5e1 100%);
  border: 4px double #94a3b8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--ruptela-indigo);
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* ==========================================================================
   Admin panels (User management, CMS, Logs)
   ========================================================================== */
.admin-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  gap: 16px;
}

.admin-tab {
  padding: 12px 20px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.admin-tab:hover {
  color: var(--text-primary);
}

.admin-tab.active {
  color: var(--ruptela-indigo);
  border-bottom-color: var(--ruptela-indigo);
}

[data-theme="dark"] .admin-tab.active {
  color: var(--ruptela-pale-violet);
  border-bottom-color: var(--ruptela-pale-violet);
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
}

/* Tables styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-secondary);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.admin-table th {
  background: var(--bg-tertiary);
  padding: 16px 20px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.admin-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background-color: rgba(var(--ruptela-indigo-rgb), 0.01);
}

/* Badges states */
.badge-role {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
  background: #f1f5f9;
  color: #475569;
}

.badge-role-admin { background: rgba(231, 29, 54, 0.1); color: #c9182d; }
.badge-role-dist { background: rgba(25, 53, 106, 0.1); color: var(--ruptela-indigo); }
.badge-role-cust { background: rgba(125, 139, 202, 0.15); color: #5868a8; }

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-active .status-dot { background: var(--success-color); }
.status-inactive .status-dot { background: var(--ruptela-lavender-gray); }
.status-draft .status-dot { background: var(--warning-color); }
.status-published .status-dot { background: var(--success-color); }

/* Forms & Modals styling */
.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-control {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.2s ease;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--ruptela-indigo);
}

[data-theme="dark"] .form-control:focus {
  border-color: var(--ruptela-pale-violet);
}

/* Modals layout */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(4px);
  padding: 16px;
}

.modal-overlay.show {
  display: flex;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

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

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* ==========================================================================
   General buttons
   ========================================================================== */
.btn {
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--ruptela-indigo);
  color: white;
}

.btn-primary:hover {
  background-color: #122851;
  box-shadow: 0 4px 12px rgba(var(--ruptela-indigo-rgb), 0.2);
}

[data-theme="dark"] .btn-primary {
  background-color: var(--ruptela-pale-violet);
  color: var(--ruptela-indigo);
}

[data-theme="dark"] .btn-primary:hover {
  background-color: #9299f2;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-success {
  background-color: var(--success-color);
  color: white;
}

.btn-success:hover {
  background-color: #24b0a3;
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: #cb1229;
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 6px;
}

/* ==========================================================================
   Login screen styling (Mandatory 2FA Setup)
   ========================================================================== */
.login-wrapper {
  min-height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top right, rgba(125, 139, 202, 0.15), transparent 40%),
              radial-gradient(circle at bottom left, rgba(25, 53, 106, 0.05), transparent 50%),
              var(--bg-primary);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: 16px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.login-logo {
  width: 56px;
  height: 56px;
  background: var(--ruptela-indigo);
  border-radius: 50%;
  color: white;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 4px 15px rgba(var(--ruptela-indigo-rgb), 0.2);
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ruptela-indigo);
}

[data-theme="dark"] .login-title {
  color: var(--ruptela-pale-violet);
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* 2FA code verification sub-view */
.two-factor-inputs {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 16px 0;
}

.tfa-input {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  text-align: center;
  font-size: 20px;
  font-weight: 700;
}

.tfa-input:focus {
  outline: none;
  border-color: var(--ruptela-indigo);
  background: var(--bg-secondary);
}

[data-theme="dark"] .tfa-input:focus {
  border-color: var(--ruptela-pale-violet);
}

.tfa-countdown {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}

.tfa-resend {
  color: var(--ruptela-indigo);
  font-weight: 600;
  cursor: pointer;
}

[data-theme="dark"] .tfa-resend {
  color: var(--ruptela-pale-violet);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 300;
}

.toast {
  padding: 14px 20px;
  border-radius: 8px;
  color: white;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0.95;
}

.toast-success { background-color: var(--success-color); }
.toast-error { background-color: var(--danger-color); }
.toast-info { background-color: var(--ruptela-indigo); }
[data-theme="dark"] .toast-info { background-color: var(--ruptela-dark-pastel-blue); }

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   Responsive & Mobile Layout adjustments
   ========================================================================== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .header {
    padding: 0 16px;
  }
  
  .content-viewport {
    padding: 16px;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .certificate-card {
    border-width: 8px;
    padding: 16px;
  }
  
  .cert-title {
    font-size: 20px;
  }
  
  .cert-recipient-name {
    font-size: 18px;
    min-width: 150px;
  }
}