/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background-color: #2c3e50;
  color: white;
  padding: 1rem 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand a {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-menu a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #3498db;
}

/* Footer */
.footer {
  background-color: #2c3e50;
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 4rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.3s;
}

.btn-primary {
  background-color: #3498db;
  color: white;
}

.btn-primary:hover {
  background-color: #2980b9;
}

.btn-secondary {
  background-color: #95a5a6;
  color: white;
}

.btn-secondary:hover {
  background-color: #7f8c8d;
}

.btn-danger {
  background-color: #e74c3c;
  color: white;
}

.btn-danger:hover {
  background-color: #c0392b;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 8px;
  margin: 2rem 0;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

/* Project Grid */
.recent-projects, .catalog {
  margin: 3rem 0;
}

.recent-projects h2, .catalog h1 {
  margin-bottom: 2rem;
  color: #2c3e50;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.project-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.project-image-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
  font-weight: bold;
}

.project-info {
  padding: 1.5rem;
}

.project-category {
  display: inline-block;
  background-color: #3498db;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.project-info h3 {
  margin: 0.5rem 0;
  color: #2c3e50;
}

.project-info p {
  color: #666;
  margin-bottom: 1rem;
}

.no-projects {
  text-align: center;
  padding: 3rem;
  color: #666;
  font-size: 1.25rem;
}

/* Catalog */
.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.filter-buttons {
  display: flex;
  gap: 1rem;
}

/* Project Detail */
.project-detail {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.project-header {
  margin-bottom: 2rem;
}

.back-link {
  color: #3498db;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 1rem;
}

.back-link:hover {
  text-decoration: underline;
}

.project-detail h1 {
  margin-bottom: 1rem;
  color: #2c3e50;
}

.project-detail-image {
  width: 100%;
  max-width: 600px;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.project-description {
  margin-bottom: 2rem;
}

.project-description h2 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

.project-launcher {
  margin-top: 2rem;
}

.project-launcher h2 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

.launcher-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.inline-container {
  margin-top: 1rem;
}

.inline-container iframe {
  width: 100%;
  height: 600px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 1.5rem;
}

.login-footer {
  text-align: center;
  margin-top: 1rem;
}

.login-footer a {
  color: #3498db;
  text-decoration: none;
}

.login-footer a:hover {
  text-decoration: underline;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #2c3e50;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #3498db;
}

.form-group small {
  display: block;
  margin-top: 0.5rem;
  color: #666;
  font-size: 0.875rem;
}

.current-image {
  margin-top: 1rem;
}

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.alert-error {
  background-color: #fee;
  color: #c33;
  border: 1px solid #fcc;
}

/* Admin Dashboard */
.admin-dashboard {
  margin: 2rem 0;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.admin-table {
  width: 100%;
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.admin-table th,
.admin-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.admin-table th {
  background-color: #2c3e50;
  color: white;
  font-weight: 600;
}

.admin-table tbody tr:hover {
  background-color: #f8f9fa;
}

.admin-table .actions {
  display: flex;
  gap: 0.5rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.875rem;
  background-color: #3498db;
  color: white;
}

/* Project Form */
.project-form {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.form-header {
  margin-bottom: 2rem;
}

.form-header h1 {
  color: #2c3e50;
  margin-top: 1rem;
}

/* Error Page */
.error-page {
  text-align: center;
  padding: 4rem 2rem;
}

.error-page h1 {
  font-size: 3rem;
  color: #e74c3c;
  margin-bottom: 1rem;
}

.error-page h2 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

.error-code {
  font-size: 1.25rem;
  color: #666;
  margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .catalog-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .filter-buttons {
    width: 100%;
    flex-wrap: wrap;
  }

  .launcher-buttons {
    flex-direction: column;
  }

  .admin-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .admin-table {
    font-size: 0.875rem;
  }

  .admin-table th,
  .admin-table td {
    padding: 0.5rem;
  }

  .form-actions {
    flex-direction: column;
  }
}