/* ============================================
   CspCursosOnline - Design System
   Theme: Corporate Professional (Orange + Blue)
   Light/Dark Mode Support
   ============================================ */

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

/* ============================================
   CSS Variables - Light Theme (Default)
   ============================================ */
:root {
  /* Brand Colors */
  --lms-primary: #F97316;
  --lms-primary-hover: #EA580C;
  --lms-primary-light: #FFEDD5;
  --lms-secondary: #3B82F6;
  --lms-secondary-hover: #2563EB;
  --lms-secondary-light: #DBEAFE;
  --lms-corporate: #0F172A;
  
  /* Background & Surface */
  --lms-bg: #F8FAFC;
  --lms-surface: #FFFFFF;
  --lms-surface-secondary: #F1F5F9;
  --lms-surface-hover: #E2E8F0;
  
  /* Text Colors */
  --lms-text-primary: #0F172A;
  --lms-text-secondary: #64748B;
  --lms-text-muted: #94A3B8;
  --lms-text-inverse: #F8FAFC;
  
  /* Borders */
  --lms-border: #E2E8F0;
  --lms-border-dark: #CBD5E1;
  
  /* Status Colors */
  --lms-success: #22C55E;
  --lms-success-light: #DCFCE7;
  --lms-warning: #F59E0B;
  --lms-warning-light: #FEF3C7;
  --lms-error: #EF4444;
  --lms-error-light: #FEE2E2;
  --lms-info: #3B82F6;
  --lms-info-light: #DBEAFE;
  
  /* Shadows */
  --lms-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --lms-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --lms-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --lms-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  /* Sidebar */
  --lms-sidebar-bg: #0F172A;
  --lms-sidebar-text: #94A3B8;
  --lms-sidebar-text-active: #FFFFFF;
  --lms-sidebar-hover: #1E293B;
  --lms-sidebar-active: #F97316;
  --lms-sidebar-width: 260px;
  
  /* Navbar */
  --lms-navbar-bg: #FFFFFF;
  --lms-navbar-height: 64px;
  
  /* Border Radius */
  --lms-radius-sm: 0.375rem;
  --lms-radius: 0.5rem;
  --lms-radius-lg: 0.75rem;
  --lms-radius-xl: 1rem;
  --lms-radius-full: 9999px;
  
  /* Transitions */
  --lms-transition: all 0.2s ease;
  --lms-transition-slow: all 0.3s ease;
}

/* ============================================
   CSS Variables - Dark Theme
   ============================================ */
[data-theme="dark"] {
  --lms-bg: #0F172A;
  --lms-surface: #1E293B;
  --lms-surface-secondary: #334155;
  --lms-surface-hover: #475569;
  
  --lms-text-primary: #F8FAFC;
  --lms-text-secondary: #94A3B8;
  --lms-text-muted: #64748B;
  
  --lms-border: #334155;
  --lms-border-dark: #475569;
  
  --lms-navbar-bg: #1E293B;
  
  --lms-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --lms-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.3);
  --lms-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --lms-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

/* ============================================
   Base Styles
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Manrope', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--lms-text-primary);
  background-color: var(--lms-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--lms-text-primary);
  margin-bottom: 0.5rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

.text-muted {
  color: var(--lms-text-muted) !important;
}

.text-secondary {
  color: var(--lms-text-secondary) !important;
}

/* ============================================
   Links
   ============================================ */
a {
  color: var(--lms-secondary);
  text-decoration: none;
  transition: var(--lms-transition);
}

a:hover {
  color: var(--lms-secondary-hover);
}

/* ============================================
   Main Layout Structure
   ============================================ */
.lms-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.lms-wrapper {
  display: flex;
  flex: 1;
}

.lms-main {
  flex: 1;
  margin-left: var(--lms-sidebar-width);
  min-height: calc(100vh - var(--lms-navbar-height));
  padding: 1.5rem;
  background-color: var(--lms-bg);
  transition: margin-left 0.3s ease;
}

@media (max-width: 991.98px) {
  .lms-main {
    margin-left: 0;
  }
}

/* ============================================
   Navbar
   ============================================ */
.lms-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  height: var(--lms-navbar-height);
  background-color: var(--lms-navbar-bg);
  border-bottom: 1px solid var(--lms-border);
  box-shadow: var(--lms-shadow-sm);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.3s ease;
}

.lms-navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lms-navbar-brand img {
  height: 40px;
  width: auto;
}

.lms-navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lms-navbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: var(--lms-radius);
  background-color: var(--lms-surface-secondary);
  transition: var(--lms-transition);
}

.lms-navbar-user:hover {
  background-color: var(--lms-surface-hover);
}

.lms-navbar-user-name {
  font-weight: 500;
  color: var(--lms-text-primary);
}

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

/* Mobile Menu Toggle */
.lms-menu-toggle {
  display: none;
  padding: 0.5rem;
  background: none;
  border: none;
  color: var(--lms-text-primary);
  font-size: 1.25rem;
  cursor: pointer;
}

@media (max-width: 991.98px) {
  .lms-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ============================================
   Sidebar
   ============================================ */
.lms-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--lms-sidebar-width);
  height: 100vh;
  background-color: var(--lms-sidebar-bg);
  z-index: 1040;
  overflow-y: auto;
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

@media (max-width: 991.98px) {
  .lms-sidebar {
    transform: translateX(-100%);
  }
  
  .lms-sidebar.show {
    transform: translateX(0);
  }
}

.lms-sidebar-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lms-sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lms-sidebar-logo img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
}

.lms-sidebar-logo img.lms-tenant-logo {
  height: 40px;
  max-width: 180px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.lms-sidebar-logo span {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--lms-sidebar-text-active);
}

.lms-sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--lms-sidebar-text);
  font-size: 1.25rem;
  cursor: pointer;
}

@media (max-width: 991.98px) {
  .lms-sidebar-close {
    display: block;
  }
}

.lms-sidebar-nav {
  flex: 1;
  padding: 1rem 0;
}

.lms-sidebar-section {
  margin-bottom: 1.5rem;
}

.lms-sidebar-section-title {
  padding: 0.5rem 1.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--lms-sidebar-text);
  opacity: 0.6;
}

.lms-sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--lms-sidebar-text);
  font-weight: 500;
  transition: var(--lms-transition);
  border-left: 3px solid transparent;
}

.lms-sidebar-link:hover {
  color: var(--lms-sidebar-text-active);
  background-color: var(--lms-sidebar-hover);
}

.lms-sidebar-link.active {
  color: var(--lms-sidebar-text-active);
  background-color: var(--lms-sidebar-hover);
  border-left-color: var(--lms-sidebar-active);
}

.lms-sidebar-link i {
  font-size: 1.125rem;
  width: 1.5rem;
  text-align: center;
}

.lms-sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Overlay for mobile */
.lms-sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1035;
}

.lms-sidebar-overlay.show {
  display: block;
}

/* ============================================
   Cards
   ============================================ */
.card, .lms-card {
  background-color: var(--lms-surface);
  border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius-lg);
  box-shadow: var(--lms-shadow);
  transition: var(--lms-transition);
}

.card:hover, .lms-card:hover {
  box-shadow: var(--lms-shadow-md);
}

.card-header, .lms-card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--lms-border);
  padding: 1rem 1.25rem;
  font-weight: 600;
}

.card-body, .lms-card-body {
  padding: 1.25rem;
}

.card-footer, .lms-card-footer {
  background-color: var(--lms-surface-secondary);
  border-top: 1px solid var(--lms-border);
  padding: 1rem 1.25rem;
}

/* Stats Card */
.lms-stat-card {
  padding: 1.5rem;
  border-radius: var(--lms-radius-lg);
  background-color: var(--lms-surface);
  border: 1px solid var(--lms-border);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.lms-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--lms-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.lms-stat-icon.primary {
  background-color: var(--lms-primary-light);
  color: var(--lms-primary);
}

.lms-stat-icon.secondary {
  background-color: var(--lms-secondary-light);
  color: var(--lms-secondary);
}

.lms-stat-icon.success {
  background-color: var(--lms-success-light);
  color: var(--lms-success);
}

.lms-stat-icon.warning {
  background-color: var(--lms-warning-light);
  color: var(--lms-warning);
}

.lms-stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--lms-text-primary);
  line-height: 1.2;
}

.lms-stat-label {
  font-size: 0.875rem;
  color: var(--lms-text-secondary);
}

/* Course Card */
.lms-course-card {
  overflow: hidden;
  transition: var(--lms-transition);
}

.lms-course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lms-shadow-lg);
}

.lms-course-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.lms-course-body {
  padding: 1.25rem;
}

.lms-course-title {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--lms-text-primary);
}

.lms-course-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--lms-text-muted);
  margin-bottom: 1rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--lms-radius);
  transition: var(--lms-transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary, .btn-lms {
  background-color: var(--lms-primary);
  border-color: var(--lms-primary);
  color: #FFFFFF;
}

.btn-primary:hover, .btn-lms:hover,
.btn-primary:focus, .btn-lms:focus {
  background-color: var(--lms-primary-hover);
  border-color: var(--lms-primary-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--lms-secondary);
  border-color: var(--lms-secondary);
  color: #FFFFFF;
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--lms-secondary-hover);
  border-color: var(--lms-secondary-hover);
  color: #FFFFFF;
}

.btn-outline-primary {
  color: var(--lms-primary);
  border-color: var(--lms-primary);
  background-color: transparent;
}

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: var(--lms-primary);
  border-color: var(--lms-primary);
  color: #FFFFFF;
}

.btn-outline-secondary {
  color: var(--lms-text-secondary);
  border-color: var(--lms-border);
  background-color: transparent;
}

.btn-outline-secondary:hover, .btn-outline-secondary:focus {
  background-color: var(--lms-surface-secondary);
  border-color: var(--lms-border-dark);
  color: var(--lms-text-primary);
}

.btn-success {
  background-color: var(--lms-success);
  border-color: var(--lms-success);
  color: #FFFFFF;
}

.btn-danger, .btn-outline-danger {
  border-color: var(--lms-error);
}

.btn-danger {
  background-color: var(--lms-error);
  color: #FFFFFF;
}

.btn-outline-danger {
  color: var(--lms-error);
  background-color: transparent;
}

.btn-outline-danger:hover {
  background-color: var(--lms-error);
  color: #FFFFFF;
}

/* Button Sizes */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* ============================================
   Forms
   ============================================ */
.form-control, .form-select {
  font-family: 'Manrope', sans-serif;
  border-radius: var(--lms-radius);
  border: 1px solid var(--lms-border);
  background-color: var(--lms-surface);
  color: var(--lms-text-primary);
  padding: 0.625rem 0.875rem;
  transition: var(--lms-transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--lms-primary);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
  background-color: var(--lms-surface);
  color: var(--lms-text-primary);
}

.form-label {
  font-weight: 500;
  color: var(--lms-text-primary);
  margin-bottom: 0.375rem;
}

.form-floating > .form-control,
.form-floating > .form-select {
  height: calc(3.5rem + 2px);
}

.form-floating > label {
  color: var(--lms-text-muted);
}

/* Input Group */
.input-group-text {
  background-color: var(--lms-surface-secondary);
  border-color: var(--lms-border);
  color: var(--lms-text-secondary);
}

/* ============================================
   Tables
   ============================================ */
.table {
  --bs-table-bg: var(--lms-surface);
  --bs-table-striped-bg: var(--lms-surface-secondary);
  --bs-table-hover-bg: var(--lms-surface-hover);
  color: var(--lms-text-primary);
  border-color: var(--lms-border);
}

.table thead th {
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--lms-text-secondary);
  background-color: var(--lms-surface-secondary);
  border-bottom: 2px solid var(--lms-border);
  padding: 0.875rem 1rem;
}

.table tbody td {
  padding: 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--lms-border);
}

.table-responsive {
  border-radius: var(--lms-radius-lg);
  border: 1px solid var(--lms-border);
}

/* ============================================
   Badges
   ============================================ */
.badge {
  font-weight: 600;
  padding: 0.35em 0.65em;
  border-radius: var(--lms-radius-full);
}

.badge.bg-success {
  background-color: var(--lms-success) !important;
}

.badge.bg-warning {
  background-color: var(--lms-warning) !important;
  color: #000 !important;
}

.badge.bg-danger {
  background-color: var(--lms-error) !important;
}

.badge.bg-info {
  background-color: var(--lms-info) !important;
}

.badge.bg-secondary {
  background-color: var(--lms-text-muted) !important;
}

.badge.bg-primary {
  background-color: var(--lms-primary) !important;
}

/* ============================================
   Progress Bar
   ============================================ */
.progress {
  height: 8px;
  background-color: var(--lms-surface-secondary);
  border-radius: var(--lms-radius-full);
  overflow: hidden;
}

.progress-bar {
  background-color: var(--lms-secondary);
  transition: width 0.6s ease;
}

.progress-bar.bg-success {
  background-color: var(--lms-success) !important;
}

/* ============================================
   Alerts
   ============================================ */
.alert {
  border-radius: var(--lms-radius);
  border: none;
  padding: 1rem 1.25rem;
}

.alert-success {
  background-color: var(--lms-success-light);
  color: #166534;
}

.alert-warning {
  background-color: var(--lms-warning-light);
  color: #854D0E;
}

.alert-danger {
  background-color: var(--lms-error-light);
  color: #991B1B;
}

.alert-info {
  background-color: var(--lms-info-light);
  color: #1E40AF;
}

/* ============================================
   Accordion (Player Sidebar)
   ============================================ */
.accordion {
  --bs-accordion-bg: var(--lms-surface);
  --bs-accordion-border-color: var(--lms-border);
}

.accordion-button {
  font-weight: 600;
  color: var(--lms-text-primary);
  background-color: var(--lms-surface);
}

.accordion-button:not(.collapsed) {
  color: var(--lms-primary);
  background-color: var(--lms-primary-light);
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--lms-border);
}

.accordion-body {
  background-color: var(--lms-surface);
}

/* ============================================
   Modal
   ============================================ */
.modal-content {
  background-color: var(--lms-surface);
  border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius-lg);
}

.modal-header {
  border-bottom-color: var(--lms-border);
}

.modal-footer {
  border-top-color: var(--lms-border);
}

/* ============================================
   Notifications (Bell)
   ============================================ */
.lms-notification-btn {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--lms-radius);
  background-color: var(--lms-surface-secondary);
  border: none;
  color: var(--lms-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--lms-transition);
}

.lms-notification-btn:hover {
  background-color: var(--lms-surface-hover);
  color: var(--lms-text-primary);
}

.lms-notification-btn.has-unread {
  color: var(--lms-primary);
}

.lms-notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  border-radius: var(--lms-radius-full);
  background-color: var(--lms-error);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.lms-notification-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 360px;
  max-height: 400px;
  background-color: var(--lms-surface);
  border: 1px solid var(--lms-border);
  border-radius: var(--lms-radius-lg);
  box-shadow: var(--lms-shadow-lg);
  z-index: 1050;
  display: none;
  overflow: hidden;
}

.lms-notification-dropdown.show {
  display: block;
}

.lms-notification-header {
  padding: 1rem;
  border-bottom: 1px solid var(--lms-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lms-notification-body {
  max-height: 320px;
  overflow-y: auto;
}

.lms-notification-item {
  padding: 1rem;
  border-bottom: 1px solid var(--lms-border);
  cursor: pointer;
  transition: var(--lms-transition);
}

.lms-notification-item:hover {
  background-color: var(--lms-surface-secondary);
}

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

/* ============================================
   Theme Toggle
   ============================================ */
.lms-theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--lms-radius);
  background-color: var(--lms-surface-secondary);
  border: none;
  color: var(--lms-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--lms-transition);
}

.lms-theme-toggle:hover {
  background-color: var(--lms-surface-hover);
  color: var(--lms-primary);
}

.lms-theme-toggle .fa-sun {
  display: none;
}

.lms-theme-toggle .fa-moon {
  display: block;
}

[data-theme="dark"] .lms-theme-toggle .fa-sun {
  display: block;
}

[data-theme="dark"] .lms-theme-toggle .fa-moon {
  display: none;
}

/* ============================================
   Login Page
   ============================================ */
.lms-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lms-bg);
  padding: 2rem;
}

.lms-login-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--lms-surface);
  border-radius: var(--lms-radius-xl);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
  border: 1px solid var(--lms-border);
  padding: 2.5rem;
}

.lms-login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.lms-login-logo img {
  height: 60px;
  width: auto;
}

.lms-login-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lms-text-primary);
  margin-bottom: 0.5rem;
}

.lms-login-subtitle {
  text-align: center;
  color: var(--lms-text-muted);
  margin-bottom: 2rem;
}

/* ============================================
   Player Layout
   ============================================ */
.lms-player-wrapper {
  display: flex;
  gap: 1.5rem;
}

.lms-player-sidebar {
  width: 320px;
  flex-shrink: 0;
}

.lms-player-content {
  flex: 1;
  min-width: 0;
}

@media (max-width: 991.98px) {
  .lms-player-wrapper {
    flex-direction: column;
  }
  
  .lms-player-sidebar {
    width: 100%;
  }
}

/* Video Container */
.lms-video-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background-color: #000;
  border-radius: var(--lms-radius-lg);
  overflow: hidden;
}

.lms-video-container iframe,
.lms-video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ============================================
   Certificate Validation (Public)
   ============================================ */
.lms-certificate-validation {
  max-width: 600px;
  margin: 3rem auto;
  text-align: center;
}

.lms-certificate-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--lms-radius-full);
  background-color: var(--lms-success-light);
  color: var(--lms-success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.5rem;
}

/* ============================================
   Footer
   ============================================ */
.lms-footer {
  background-color: var(--lms-surface);
  border-top: 1px solid var(--lms-border);
  padding: 1rem 1.5rem;
  text-align: center;
  color: var(--lms-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   Utility Classes
   ============================================ */
.bg-primary-subtle {
  background-color: var(--lms-primary-light) !important;
}

.bg-secondary-subtle {
  background-color: var(--lms-secondary-light) !important;
}

.bg-success-subtle {
  background-color: var(--lms-success-light) !important;
}

.bg-warning-subtle {
  background-color: var(--lms-warning-light) !important;
}

.bg-danger-subtle {
  background-color: var(--lms-error-light) !important;
}

.text-primary {
  color: var(--lms-primary) !important;
}

.text-success {
  color: var(--lms-success) !important;
}

.text-warning {
  color: var(--lms-warning) !important;
}

.text-danger {
  color: var(--lms-error) !important;
}

.border-primary {
  border-color: var(--lms-primary) !important;
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--lms-surface-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--lms-border-dark);
  border-radius: var(--lms-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--lms-text-muted);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.3s ease;
}

.animate-fade-in-up {
  animation: fadeInUp 0.4s ease;
}

.animate-slide-in-left {
  animation: slideInLeft 0.3s ease;
}

/* Bell Animation */
@keyframes bell-ring {
  0% { transform: rotate(0); }
  10% { transform: rotate(-18deg); }
  20% { transform: rotate(14deg); }
  30% { transform: rotate(-10deg); }
  40% { transform: rotate(6deg); }
  50% { transform: rotate(-4deg); }
  60% { transform: rotate(2deg); }
  70% { transform: rotate(-1deg); }
  100% { transform: rotate(0); }
}

.lms-notification-btn.has-unread i {
  animation: bell-ring 1.2s ease-in-out infinite;
}

/* ============================================
   List Group Customization
   ============================================ */
.list-group-item {
  background-color: var(--lms-surface);
  border-color: var(--lms-border);
  color: var(--lms-text-primary);
}

.list-group-item.active {
  background-color: var(--lms-primary);
  border-color: var(--lms-primary);
}

/* ============================================
   Dropdown Customization
   ============================================ */
.dropdown-menu {
  background-color: var(--lms-surface);
  border-color: var(--lms-border);
  box-shadow: var(--lms-shadow-lg);
  border-radius: var(--lms-radius);
}

.dropdown-item {
  color: var(--lms-text-primary);
  padding: 0.5rem 1rem;
}

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--lms-surface-secondary);
  color: var(--lms-text-primary);
}

/* ============================================
   Pagination
   ============================================ */
.page-link {
  background-color: var(--lms-surface);
  border-color: var(--lms-border);
  color: var(--lms-text-primary);
}

.page-link:hover {
  background-color: var(--lms-surface-secondary);
  border-color: var(--lms-border);
  color: var(--lms-primary);
}

.page-item.active .page-link {
  background-color: var(--lms-primary);
  border-color: var(--lms-primary);
}

/* ============================================
   Nav Tabs
   ============================================ */
.nav-tabs {
  border-bottom-color: var(--lms-border);
}

.nav-tabs .nav-link {
  color: var(--lms-text-secondary);
  border: none;
  padding: 0.75rem 1.25rem;
  font-weight: 500;
}

.nav-tabs .nav-link:hover {
  color: var(--lms-primary);
  border-color: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--lms-primary);
  background-color: transparent;
  border-bottom: 2px solid var(--lms-primary);
}

/* ============================================
   Page Header
   ============================================ */
.lms-page-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--lms-border);
}

.lms-page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lms-text-primary);
  margin-bottom: 0.25rem;
}

.lms-page-subtitle {
  color: var(--lms-text-muted);
  font-size: 0.9375rem;
}

/* ============================================
   Empty State
   ============================================ */
.lms-empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.lms-empty-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--lms-radius-full);
  background-color: var(--lms-surface-secondary);
  color: var(--lms-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.lms-empty-title {
  font-weight: 600;
  color: var(--lms-text-primary);
  margin-bottom: 0.5rem;
}

.lms-empty-text {
  color: var(--lms-text-muted);
  margin-bottom: 1.5rem;
}

/* ============================================
   Override old Segwork classes (btn-meu)
   ============================================ */
.btn-meu {
  background-color: var(--lms-primary) !important;
  color: #fff !important;
  border-color: var(--lms-primary) !important;
}

.btn-meu:hover {
  background-color: var(--lms-primary-hover) !important;
  color: #fff !important;
  border-color: var(--lms-primary-hover) !important;
}

.btn-meu-secundario {
  color: var(--lms-primary) !important;
  border-color: var(--lms-primary) !important;
}

.btn-meu-secundario:hover {
  background-color: var(--lms-primary) !important;
  color: #fff !important;
}

.text-primeiro {
  color: var(--lms-primary) !important;
}

.border-meu {
  border-color: var(--lms-primary) !important;
}

.fundo-sidebar {
  background-color: var(--lms-sidebar-bg) !important;
}

/* ============================================
   Chart Container
   ============================================ */
.lms-chart-container {
  position: relative;
  height: 300px;
}

/* ============================================
   Search Box
   ============================================ */
.lms-search-box {
  position: relative;
}

.lms-search-box input {
  padding-left: 2.5rem;
}

.lms-search-box i {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--lms-text-muted);
}

/* ============================================
   Filter Bar
   ============================================ */
.lms-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem;
  background-color: var(--lms-surface-secondary);
  border-radius: var(--lms-radius);
  margin-bottom: 1.5rem;
}

.lms-filter-bar .form-select,
.lms-filter-bar .form-control {
  min-width: 160px;
}