/*
 * Skólaráð - Custom CSS
 * A modern, Icelandic-inspired design system
 */

:root {
  /* Icelandic-inspired color palette */
  --iceland-blue: #3a7ca5;
  --iceland-blue-light: #d0e8f2;
  --iceland-blue-dark: #2a5d7c;
  --iceland-black: #2c3e50;
  --iceland-moss: #4a7c59;
  --iceland-moss-light: #d8eadd;
  --iceland-lava: #c03546;
  --iceland-lava-light: #f5dede;
  --iceland-sand: #e5dbc8;
  --iceland-glacier: #f0f5f9;
  
  /* Functional colors */
  --primary: var(--iceland-blue);
  --primary-light: var(--iceland-blue-light);
  --primary-dark: var(--iceland-blue-dark);
  --secondary: var(--iceland-moss);
  --secondary-light: var(--iceland-moss-light);
  --danger: var(--iceland-lava);
  --danger-light: var(--iceland-lava-light);
  --light: var(--iceland-glacier);
  --dark: var(--iceland-black);
  --sand: var(--iceland-sand);
  
  /* Typography */
  --font-primary: 'Nunito', 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Montserrat', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Source Code Pro', monospace;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 4rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 2rem;
  
  /* Box shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.05);
  --shadow-focus: 0 0 0 3px var(--primary-light);
}

/* Base styles */
html, body {
  height: 100%;
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
}

body {
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

#main-content {
  flex: 1 0 auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Navbar styling */
.navbar {
  background-color: white;
  box-shadow: var(--shadow-sm);
  z-index: 1000;
}

.navbar-brand {
  font-family: var(--font-secondary);
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
}

.navbar-brand img {
  margin-right: var(--spacing-sm);
  height: 50px;
}

.nav-link {
  position: relative;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg) !important;
}

.nav-link:after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover:after,
.nav-link.active:after {
  width: 60%;
}

.nav-link.active {
  color: var(--primary) !important;
}

/* Card styling */
.card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
}

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

.card-header {
  background-color: white;
  padding: var(--spacing-lg);
  border-bottom: none;
  font-weight: 700;
}

.card-header-accent {
  border-top: 4px solid var(--primary);
}

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

.card-footer {
  background-color: white;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: var(--spacing-md) var(--spacing-lg);
}

/* Stats cards */
.stat-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  background: white;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  height: 100%;
}

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

.stat-card .stat-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.8;
}

.stat-card .stat-title {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xs);
  color: #6c757d;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0;
}

.stat-primary .stat-icon { color: var(--primary); }
.stat-success .stat-icon { color: var(--secondary); }
.stat-danger .stat-icon { color: var(--danger); }
.stat-info .stat-icon { color: var(--iceland-blue-light); }

/* Buttons */
.btn {
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.2);
  transition: width 0.3s ease;
  transform-origin: left;
}

.btn:hover::before {
  width: 100%;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--secondary);
  filter: brightness(90%);
  border-color: var(--secondary);
}

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

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

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

.btn-icon {
  display: inline-flex;
  align-items: center;
}

.btn-icon i {
  margin-right: var(--spacing-sm);
}

/* Action buttons group */
.action-buttons {
  margin: var(--spacing-lg) 0;
}

.action-buttons .btn {
  margin-right: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

/* Forms */
.form-control {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid #dee2e6;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}

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

.form-label {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--dark);
}

/* Table styling */
.table {
  width: 100%;
  margin-bottom: 1rem;
  border-collapse: separate;
  border-spacing: 0;
}

.table th {
  padding: var(--spacing-md);
  font-weight: 600;
  border-bottom: 2px solid #dee2e6;
  background-color: var(--light);
  color: var(--dark);
}

.table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid #eee;
  vertical-align: middle;
}

.table-hover tbody tr {
  transition: background-color 0.2s ease;
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Badges */
.badge {
  padding: 0.5em 0.75em;
  font-weight: 600;
  font-size: 80%;
  border-radius: var(--radius-sm);
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.badge-success {
  background-color: var(--secondary-light);
  color: var(--secondary);
}

.badge-danger {
  background-color: var(--danger-light);
  color: var(--danger);
}

/* Progress bars */
.progress {
  height: 0.6rem;
  background-color: var(--light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}

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

/* Login & Authentication pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background-image: linear-gradient(135deg, var(--iceland-blue-light) 0%, var(--light) 100%);
}

.auth-card {
  max-width: 450px;
  width: 100%;
  padding: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.auth-header {
  background-color: var(--primary);
  color: white;
  padding: var(--spacing-xl);
  text-align: center;
}

.auth-header img {
  width: 80px;
  margin-bottom: var(--spacing-md);
}

.auth-header h1 {
  color: white;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-xs);
}

.auth-header p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.auth-body {
  padding: var(--spacing-xl);
  background-color: white;
}

/* Dashboard */
.dashboard-header {
  margin-bottom: var(--spacing-xl);
}

.dashboard-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.dashboard-subtitle {
  color: #6c757d;
  margin-bottom: 0;
}

/* Alerts */
.alert {
  border-radius: var(--radius-md);
  border: none;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.alert-primary {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.alert-success {
  background-color: var(--secondary-light);
  color: var(--secondary);
}

.alert-danger {
  background-color: var(--danger-light);
  color: var(--danger);
}

/* Analysis sections */
.analysis-section {
  background-color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.analysis-section h3 {
  margin-top: 0;
  position: relative;
  padding-left: var(--spacing-lg);
}

.analysis-section h3:before {
  content: '';
  position: absolute;
  left: 0;
  top: 10%;
  height: 80%;
  width: 5px;
  background-color: var(--primary);
  border-radius: var(--radius-sm);
}

.strengths-section h3:before {
  background-color: var(--secondary);
}

.weaknesses-section h3:before {
  background-color: var(--danger);
}

.strength-item, .weakness-item {
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
}

.strength-item {
  background-color: var(--secondary-light);
}

.weakness-item {
  background-color: var(--danger-light);
}

/* File upload styling */
.upload-area {
  border: 2px dashed var(--sand);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  background-color: white;
  transition: all 0.3s ease;
}

.upload-area:hover,
.upload-area.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.upload-icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.upload-text {
  margin-bottom: var(--spacing-md);
}

.file-input {
  display: none;
}

/* Footer */
footer {
  background-color: white;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid #eee;
  flex-shrink: 0;
}

/* Media queries */
@media (max-width: 768px) {
  .stat-card {
    margin-bottom: var(--spacing-md);
  }
  
  .action-buttons .btn {
    margin-bottom: var(--spacing-md);
  }
}

/* Utilities */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-danger { color: var(--danger) !important; }

.bg-primary { background-color: var(--primary) !important; }
.bg-primary-light { background-color: var(--primary-light) !important; }
.bg-secondary { background-color: var(--secondary) !important; }
.bg-secondary-light { background-color: var(--secondary-light) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-danger-light { background-color: var(--danger-light) !important; }
.bg-light { background-color: var(--light) !important; }
.bg-sand { background-color: var(--sand) !important; }

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

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

.font-weight-bold { font-weight: 700 !important; }
.font-weight-normal { font-weight: 400 !important; }
.font-secondary { font-family: var(--font-secondary) !important; }

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

.text-sm { font-size: 0.875rem !important; }
.text-lg { font-size: 1.25rem !important; }
.text-xl { font-size: 1.5rem !important; }