/* 
 * Student Dashboard - Modern UI
 * Wisdom Tutoring Academy E-Learning Platform
 * Version 3.0 - Premium Design with Enhanced Visual Elements
 */

:root {
  /* Modern Color Palette */
  --primary: #4361ee;
  --primary-light: #eaefff;
  --primary-dark: #2541b2;
  --secondary: #03a9f4;
  --accent: #7209b7;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --info: #3498db;
  --light: #f8f9fa;
  --dark: #2c3e50;
  --gray-100: #f8f9fa;
  --gray-200: #edf2f7;
  --gray-300: #e2e8f0;
  --gray-400: #cbd5e0;
  --gray-500: #a0aec0;
  --gray-600: #718096;
  --gray-700: #4a5568;
  --gray-800: #2d3748;
  --gray-900: #1a202c;
  
  /* Modern UI Colors */
  --body-bg: #f8fafb;
  --card-bg: #ffffff;
  --sidebar-bg: linear-gradient(180deg, #4361ee 0%, #3a0ca3 100%);
  --sidebar-text: #ffffff;
  --header-bg: #ffffff;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border Radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-circle: 50%;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 16px rgba(67, 97, 238, 0.1);
  --shadow-lg: 0 16px 32px rgba(67, 97, 238, 0.1), 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.075);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 10px 30px rgba(67, 97, 238, 0.1);
  
  /* Transitions */
  --transition-fast: all 0.15s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  
  /* Typography */
  --font-family-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  
  /* Layout */
  --header-height: 60px;
  --sidebar-width: 250px;
  --sidebar-collapsed-width: 70px;
  --footer-height: 60px;
  
  /* Z-index */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
}

/* Base Styles */
body {
  font-family: var(--font-family-sans);
  color: var(--gray-800);
  background-color: var(--body-bg);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  transition: all 0.3s ease;
}

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

.main-content > .card,
.main-content > .row > .col-xl-8 > .card,
.main-content > .row > .col-xl-4 > .card {
  animation: fadeInUp 0.5s ease-out forwards;
  opacity: 0;
}

.main-content > .card:nth-child(1) { animation-delay: 0.1s; }
.main-content > .card:nth-child(2) { animation-delay: 0.2s; }
.main-content > .row > .col-xl-3:nth-child(1) .card { animation-delay: 0.3s; }
.main-content > .row > .col-xl-3:nth-child(2) .card { animation-delay: 0.4s; }
.main-content > .row > .col-xl-3:nth-child(3) .card { animation-delay: 0.5s; }
.main-content > .row > .col-xl-3:nth-child(4) .card { animation-delay: 0.6s; }
.main-content > .row > .col-xl-8 > .card:nth-child(1) { animation-delay: 0.7s; }
.main-content > .row > .col-xl-8 > .card:nth-child(2) { animation-delay: 0.8s; }
.main-content > .row > .col-xl-4 > .card:nth-child(1) { animation-delay: 0.7s; }
.main-content > .row > .col-xl-4 > .card:nth-child(2) { animation-delay: 0.8s; }

a {
  text-decoration: none;
  transition: var(--transition-fast);
}

/* Layout Components */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-index-fixed);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  transition: var(--transition-normal);
  overflow-y: auto;
  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.05);
}

.sidebar-collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand img {
  max-height: 40px;
}

.sidebar-brand-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-left: var(--spacing-md);
  white-space: nowrap;
  overflow: hidden;
  transition: var(--transition-normal);
}

.sidebar-collapsed .sidebar-brand-text {
  opacity: 0;
  width: 0;
}

.sidebar-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: var(--spacing-md) 0;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  padding-top: 0.5rem;
}

.nav-item {
  margin-bottom: 0.25rem;
  padding: 0 1rem;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.85rem 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: rgba(255, 255, 255, 0.1);
  transition: width 0.2s ease;
}

.nav-link:hover {
  color: white;
}

.nav-link:hover::before {
  width: 5px;
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-weight: 600;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.nav-link.active::before {
  width: 5px;
  background: white;
}

.nav-icon {
  margin-right: 1rem;
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
  transition: transform 0.3s ease;
}

.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
  transform: scale(1.1);
}

.nav-text {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.2px;
}

/* Main Content Wrapper */
.content-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  transition: var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--body-bg);
  position: relative;
}

.content-wrapper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, rgba(67, 97, 238, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
  z-index: 0;
}

.sidebar-collapsed + .content-wrapper {
  margin-left: var(--sidebar-collapsed-width);
}

/* Header */
.header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  background-color: var(--header-bg);
  box-shadow: var(--shadow-card);
  position: sticky;
  top: 0;
  z-index: var(--z-index-fixed);
  border-bottom: 1px solid var(--gray-200);
}

.header .search-box {
  background: var(--gray-100);
  border-radius: 30px;
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  width: 300px;
  transition: all 0.3s ease;
  border: 1px solid var(--gray-200);
}

.header .search-box:focus-within {
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
  border-color: var(--primary-light);
  background: white;
}

.header .search-box input {
  border: none;
  background: transparent;
  padding: 0.5rem;
  width: 100%;
  outline: none;
  color: var(--gray-800);
}

.header .search-box .search-icon {
  color: var(--gray-500);
  font-size: 1rem;
  margin-right: 0.5rem;
}

.menu-toggle {
  color: var(--gray-700);
  background: transparent;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-circle);
  transition: var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--gray-100);
}

/* Topbar */
.topbar {
  height: var(--header-height);
  background: white;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
}

.search-form {
  margin-left: var(--spacing-lg);
  flex-grow: 1;
  max-width: 500px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 40px;
  border: 1px solid var(--gray-300);
  border-radius: 20px;
  background-color: var(--gray-100);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-light);
  background-color: white;
  box-shadow: var(--shadow-inset);
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  font-size: var(--font-size-md);
}

.topbar-divider {
  width: 0;
  border-right: 1px solid var(--gray-300);
  height: 2rem;
  margin: auto var(--spacing-md);
}

.user-dropdown {
  position: relative;
  margin-left: auto;
}

.user-dropdown-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
}

.user-dropdown-toggle:hover {
  background-color: var(--gray-100);
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-circle);
  background-color: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-right: var(--spacing-sm);
  overflow: hidden;
}

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

.user-name {
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--gray-800);
  margin-right: var(--spacing-sm);
}

.dropdown-arrow {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  width: 200px;
  z-index: var(--z-index-dropdown);
  padding: var(--spacing-sm) 0;
  display: none;
}

.dropdown-menu.show {
  display: block;
  animation: fadeIn 0.2s ease;
}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--gray-700);
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--gray-100);
  color: var(--primary);
}

.dropdown-item i {
  width: 20px;
  margin-right: var(--spacing-sm);
  text-align: center;
}

.dropdown-divider {
  border-top: 1px solid var(--gray-200);
  margin: var(--spacing-xs) 0;
}

/* Welcome Banner */
.welcome-banner {
  background: white;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  border: none;
  box-shadow: var(--shadow-card);
}

.welcome-banner .card-body {
  padding: 2.5rem;
  position: relative;
  z-index: 2;
}

.welcome-banner::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.03) 0%, rgba(76, 201, 240, 0.03) 100%);
  border-radius: var(--border-radius-lg);
  z-index: 1;
}

.welcome-banner::after {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(76, 201, 240, 0.1) 100%);
  border-radius: 50%;
  z-index: 0;
}

.welcome-banner h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
  line-height: 1.2;
}

.welcome-banner .lead {
  color: var(--gray-600);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.welcome-banner .student-info {
  display: inline-flex;
  background-color: var(--gray-100);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--gray-200);
  margin-top: 0.5rem;
}

.student-detail {
  display: flex;
  flex-direction: column;
}

.student-detail .text-muted {
  font-size: var(--font-size-xs);
  margin-bottom: 0.25rem;
}

.student-detail .fw-medium {
  font-weight: 600;
  color: var(--gray-800);
}

.welcome-illustration {
  max-height: 200px;
  position: relative;
  z-index: 2;
  transform: scale(1.1);
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

/* Main Content */
.main-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
}

.page-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--gray-800);
}

/* Card Styles */
.card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: var(--transition-normal);
  border: none;
}

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

.card-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.card-header h5 {
  font-weight: 600;
  font-size: var(--font-size-md);
  margin: 0;
  color: var(--gray-800);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
  background-color: var(--gray-100);
}

/* Stat Cards */
.stat-card {
  padding: 1.75rem;
  height: 100%;
  display: flex;
  align-items: center;
  border-radius: var(--border-radius-lg);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.stat-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-circle);
  font-size: 1.5rem;
  margin-right: var(--spacing-md);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.stat-card:hover .stat-icon {
  transform: scale(1.1);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
  line-height: 1;
}

.stat-label {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Stat Icon Colors */
.stat-primary {
  background-color: rgba(67, 97, 238, 0.15);
  color: var(--primary);
}

.stat-success {
  background-color: rgba(46, 204, 113, 0.15);
  color: var(--success);
}

.stat-warning {
  background-color: rgba(243, 156, 18, 0.15);
  color: var(--warning);
}

.stat-info {
  background-color: rgba(52, 152, 219, 0.15);
  color: var(--info);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
  box-shadow: 0 4px 6px rgba(67, 97, 238, 0.15);
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: 0 6px 10px rgba(67, 97, 238, 0.25);
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
  background-color: transparent;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-outline-primary:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 4px 8px rgba(67, 97, 238, 0.1);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--border-radius-circle);
}

.btn i {
  margin-right: 0.5rem;
}

.btn-icon i {
  margin-right: 0;
}

/* Tables */
.table {
  width: 100%;
  margin-bottom: 0;
  color: var(--gray-800);
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: 1rem 1.25rem;
  vertical-align: middle;
  border-top: 1px solid var(--gray-200);
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid var(--gray-200);
  font-weight: 600;
  color: var(--gray-700);
  background-color: var(--gray-100);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.table tbody tr {
  transition: all 0.2s ease;
}

.table tbody tr:hover {
  background-color: var(--primary-light);
}

.table-hover tbody tr:hover {
  background-color: rgba(67, 97, 238, 0.05);
}

/* Assignment status badges */
.badge {
  padding: 0.4rem 0.8rem;
  font-weight: 500;
  border-radius: 30px;
  font-size: 0.75rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

/* Table empty state */
.empty-state {
  padding: 2rem 0;
  text-align: center;
}

.empty-state-icon {
  font-size: 3rem;
  color: var(--gray-400);
  margin-bottom: 1rem;
  display: block;
}

.empty-state p {
  color: var(--gray-600);
  margin-bottom: 1rem;
  font-size: var(--font-size-md);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Progress Bars */
.progress {
  display: flex;
  height: 0.75rem;
  overflow: hidden;
  font-size: 0.75rem;
  background-color: var(--gray-200);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-md);
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
  text-align: center;
  white-space: nowrap;
  background-color: var(--primary);
  transition: width 0.6s ease;
}

.progress-bar-striped {
  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
  background-size: 1rem 1rem;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--gray-700);
  background-color: white;
  background-clip: padding-box;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

.form-text {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--gray-600);
}

/* Utility Classes */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--gray-600) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-success { background-color: var(--success) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-info { background-color: var(--info) !important; }
.bg-light { background-color: var(--light) !important; }
.bg-dark { background-color: var(--dark) !important; }

.rounded { border-radius: var(--border-radius-md) !important; }
.rounded-circle { border-radius: var(--border-radius-circle) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.border { border: 1px solid var(--gray-300) !important; }
.border-top { border-top: 1px solid var(--gray-300) !important; }
.border-right { border-right: 1px solid var(--gray-300) !important; }
.border-bottom { border-bottom: 1px solid var(--gray-300) !important; }
.border-left { border-left: 1px solid var(--gray-300) !important; }

.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-baseline { align-items: baseline !important; }
.align-items-stretch { align-items: stretch !important; }
.flex-grow-0 { flex-grow: 0 !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-shrink-1 { flex-shrink: 1 !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.m-0 { margin: 0 !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

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

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

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

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

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Learning animations */
.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

.rotating {
  animation: rotate 10s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .content-wrapper {
    margin-left: 0 !important;
  }
  
  .topbar {
    padding-left: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-md);
  }
  
  .card-body {
    padding: var(--spacing-md);
  }
  
  .stat-card {
    flex-direction: column;
    text-align: center;
  }
  
  .stat-icon {
    margin-right: 0;
    margin-bottom: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .search-form {
    display: none;
  }
  
  .user-name {
    display: none;
  }
}

/* Mini Calendar Styles */
.calendar {
  background-color: white;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--primary-light);
  color: white;
}

.month-year {
  margin: 0;
  font-weight: 600;
  text-align: center;
  flex-grow: 1;
}

.calendar-nav {
  background: none;
  border: none;
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.calendar-nav:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 0.5rem;
}

.calendar-day-name {
  text-align: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-600);
  padding: 0.5rem 0;
  text-transform: uppercase;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.calendar-day:hover {
  background-color: var(--gray-200);
}

.calendar-day.empty {
  cursor: default;
}

.calendar-day.empty:hover {
  background-color: transparent;
}

.calendar-day.current-day {
  background-color: var(--primary);
  color: white;
  font-weight: 600;
}

.calendar-day.important-date {
  position: relative;
  font-weight: 600;
  color: var(--accent);
}

.calendar-day.important-date::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--accent);
}

.event-item {
  display: flex;
  margin-bottom: 1rem;
  background-color: var(--gray-100);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-normal);
}

.event-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  color: white;
  padding: 0.5rem;
  min-width: 60px;
}

.event-date .month {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  font-weight: 700;
  line-height: 1;
}

.event-date .day {
  font-size: var(--font-size-xl);
  font-weight: 700;
  line-height: 1;
  margin-top: 0.25rem;
}

.event-details {
  padding: 0.75rem 1rem;
  flex-grow: 1;
}

.event-title {
  margin: 0 0 0.25rem 0;
  font-weight: 600;
}

.event-description {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin: 0;
}

/* Floating animation for welcome banner images */
@keyframes floating {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
  100% {
    transform: translateY(0px);
  }
}

.floating {
  animation: floating 6s ease-in-out infinite;
}