* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--body-bg);
  line-height: 1.6;
  color: var(--secondary-color);
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
}

#root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Moodle Color Palette */
:root {
  --primary-color: #f98012; /* Moodle orange */
  --primary-dark: #e6730f;
  --primary-light: #ffa347;
  --secondary-color: #333333; /* Dark gray for text */
  --success-color: #5cb85c; /* Green for success */
  --warning-color: #f0ad4e; /* Yellow for warnings */
  --danger-color: #d9534f; /* Red for errors */
  --info-color: #5bc0de; /* Blue for info/links */
  --light-color: #f2f2f2; /* Light gray background */
  --dark-color: #343a40;
  --gray-color: #6c757d;
  --border-color: #ddd; /* Softer borders */
  --card-bg: #ffffff;
  --body-bg: #f2f2f2;
  --sidebar-bg: #eee; /* Light sidebar */
  --gradient-primary: linear-gradient(135deg, #f98012 0%, #e6730f 100%);
  --gradient-success: linear-gradient(135deg, #5cb85c 0%, #4cae4c 100%);
  --gradient-warning: linear-gradient(135deg, #f0ad4e 0%, #eea236 100%);
  --gradient-danger: linear-gradient(135deg, #d9534f 0%, #c0392b 100%);
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Global Layout Fixes */
.App {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  width: 100%;
}

main {
  flex: 1;
  padding-top: 80px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Moodle Section Styling */
.moodle-section {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow-light);
  padding: 2rem;
  margin-bottom: 2rem;
  width: 100%;
  max-width: 1200px;
}

/* Container Alignment Fix */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.container-fluid {
  width: 100%;
  padding: 0 15px;
}

/* Row and Column Alignment */
.row {
  margin-left: -15px;
  margin-right: -15px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.col, .col-1, .col-10, .col-11, .col-12, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-auto, 
.col-lg, .col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, 
.col-lg-7, .col-lg-8, .col-lg-9, .col-lg-auto, .col-md, .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, 
.col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-auto, .col-sm, .col-sm-1, 
.col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, 
.col-sm-9, .col-sm-auto, .col-xl, .col-xl-1, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl-2, .col-xl-3, .col-xl-4, 
.col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-auto {
  padding-left: 15px;
  padding-right: 15px;
}

/* Utility Classes for Centering */
.min-vh-100 {
  min-height: 100vh;
}

.d-flex-center {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
}

.text-center {
  text-align: center !important;
}

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

.w-100 {
  width: 100% !important;
}

/* Navbar Styling */
.navbar-custom {
  background: var(--gradient-primary) !important;
  box-shadow: var(--shadow-light);
  padding: 0.8rem 0;
  border: none;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-custom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.navbar-custom .navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: white !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.navbar-custom .navbar-nav {
  display: flex;
  align-items: center;
}

.navbar-custom .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.3s ease;
  margin: 0 0.2rem;
  text-align: center;
}

.navbar-custom .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: white !important;
  transform: translateY(-1px);
}

/* Card Styling */
.moodle-card {
  border: none;
  border-radius: 12px;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  background: var(--card-bg);
  overflow: hidden;
  margin-bottom: 1.5rem;
  width: 100%;
}

.moodle-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.moodle-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

/* Course Cards */
.course-card {
  border: none;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  height: 100%;
  background: var(--card-bg);
  width: 100%;
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.course-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.course-card .d-flex {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  width: 100%;
}

/* Dashboard Styling */
.dashboard-welcome {
  background: var(--gradient-primary);
  color: white;
  border-radius: 15px;
  padding: 3rem 2rem;
  margin-bottom: 2rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  width: 100%;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
  width: 100%;
  justify-items: center;
}

.stat-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-color);
  width: 100%;
  max-width: 300px;
}

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

/* Table Styling */
.moodle-table {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  width: 100%;
}

.moodle-table thead th {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 1rem;
  font-weight: 600;
  text-align: center;
}

.moodle-table tbody td {
  padding: 1rem;
  border-color: var(--border-color);
  vertical-align: middle;
  text-align: center;
}

/* Form Styling */
.moodle-form {
  width: 100%;
}

.moodle-form .form-control {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  width: 100%;
}

.moodle-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(249, 128, 18, 0.25);
}

.form-select {
  width: 100%;
}

/* Button Styling */
.moodle-btn {
  border: none;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  display: inline-block;
  text-align: center;
}

.moodle-btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-light);
}

.moodle-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  color: white;
}

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

.moodle-btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.moodle-btn-warning {
  background: var(--gradient-warning);
  color: white;
}

.moodle-btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

.moodle-btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Auth Pages Styling */
.auth-container {
  min-height: 100vh;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  width: 100%;
}

.auth-card {
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: var(--shadow-heavy);
  overflow: hidden;
  max-width: 450px;
  width: 100%;
  margin: 0 auto;
}

.auth-body {
  padding: 2.5rem;
  width: 100%;
}

/* Footer Styling */
.moodle-footer {
  background: var(--gradient-primary);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: auto;
  width: 100%;
  text-align: center;
}

.moodle-footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.moodle-footer a {
  color: var(--primary-light);
  transition: all 0.3s ease;
}

.moodle-footer a:hover {
  color: white;
}

/* Loading States */
.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 50vh;
  width: 100%;
}

/* Modal Styling */
.modal-content {
  border-radius: 15px;
  border: none;
  box-shadow: var(--shadow-heavy);
  margin: 0 auto;
}

.modal-dialog {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 1rem);
}

/* Grid System Fix for Equal Columns */
.row.equal-height {
  display: flex;
  flex-wrap: wrap;
}

.row.equal-height > [class*='col-'] {
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--secondary-color);
  font-weight: 600;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

a {
  color: var(--info-color);
  transition: all 0.3s ease;
}

a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 10px;
  }
  
  .navbar-custom .navbar-nav {
    text-align: center;
    width: 100%;
  }
  
  .navbar-custom .nav-link {
    margin: 0.2rem 0;
    display: block;
  }
  
  .dashboard-stats {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  
  .stat-card {
    max-width: 100%;
  }
  
  .course-card .d-flex {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .course-card .moodle-btn {
    width: 100%;
    text-align: center;
  }
  
  .moodle-table {
    font-size: 0.875rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 5px;
  }
  
  .auth-body {
    padding: 1.5rem;
  }
  
  .moodle-card-body {
    padding: 1rem;
  }
  
  .dashboard-welcome {
    padding: 2rem 1rem;
  }
}

/* Force Center Alignment for Specific Elements */
.center-absolute {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.text-left {
  text-align: left !important;
}

.text-right {
  text-align: right !important;
}

/* Flexbox Utilities */
.d-flex {
  display: flex !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.justify-content-around {
  justify-content: space-around !important;
}

.justify-content-evenly {
  justify-content: space-evenly !important;
}

.align-items-start {
  align-items: flex-start !important;
}

.align-items-end {
  align-items: flex-end !important;
}

.align-items-stretch {
  align-items: stretch !important;
}

.flex-column {
  flex-direction: column !important;
}

.flex-row {
  flex-direction: row !important;
}

.flex-wrap {
  flex-wrap: wrap !important;
}

.flex-nowrap {
  flex-wrap: nowrap !important;
}

/* Bootstrap Overrides for Moodle Consistency */
.btn-primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
}

.alert-success {
  background-color: var(--success-color);
  border-color: var(--success-color);
  color: var(--card-bg);
}

.alert-warning {
  background-color: var(--warning-color);
  border-color: var(--warning-color);
  color: var(--card-bg);
}

.alert-danger {
  background-color: var(--danger-color);
  border-color: var(--danger-color);
  color: var(--card-bg);
}

.alert-info {
  background-color: var(--info-color);
  border-color: var(--info-color);
  color: var(--card-bg);
}