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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

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

/* Header and Navigation */
header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

header ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

header a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

header a:hover {
    color: #3498db;
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: 3rem 0;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    margin-bottom: 3rem;
}

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

.hero .lead {
    font-size: 1.5rem;
    opacity: 0.9;
}

/* Features Section */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.feature-card p {
    color: #666;
}

/* CTA Section */
.cta {
    text-align: center;
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.cta h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.cta p {
    font-size: 1.2rem;
    color: #666;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 2rem;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #17a2b8;
    color: #0c5460;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

/* Auth Pages */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: 2rem 0;
}

.auth-card {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
}

.auth-card h2 {
    margin-bottom: 2rem;
    color: #2c3e50;
    text-align: center;
}

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

.text-info {
    color: #17a2b8;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.875rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.auth-footer {
    margin-top: 2rem;
    text-align: center;
    color: #666;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
}

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

/* Profile Page */
.profile-container {
    display: flex;
    justify-content: center;
    padding: 2rem 0;
}

.profile-card {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
}

.profile-card h2 {
    margin-bottom: 2rem;
    color: #2c3e50;
    text-align: center;
}

.profile-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.info-row .label {
    font-weight: 600;
    color: #2c3e50;
}

.info-row .value {
    color: #666;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background-color: #28a745;
    color: white;
}

.badge-secondary {
    background-color: #6c757d;
    color: white;
}

.badge-admin {
    background-color: #dc3545;
    color: white;
}

.badge-user {
    background-color: #007bff;
    color: white;
}

/* Admin Styles */
.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.admin-container h1 {
    color: #2c3e50;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card h3 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: #666;
    font-size: 1rem;
}

.admin-actions {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.admin-actions h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

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

.btn-secondary {
    background: #6c757d;
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-warning {
    background: #ffc107;
    color: #333;
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

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

.users-table {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow-x: auto;
    margin-bottom: 2rem;
}

.users-table table {
    width: 100%;
    border-collapse: collapse;
}

.users-table th,
.users-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

.users-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.users-table tr:hover {
    background: #f8f9fa;
}

.btn-link {
    color: #667eea;
    text-decoration: none;
}

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

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.user-detail-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 2rem;
}

.detail-section {
    margin-bottom: 2rem;
}

.detail-section h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-item .label {
    font-weight: 600;
    color: #2c3e50;
}

.detail-item .value {
    color: #666;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero .lead {
        font-size: 1.2rem;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    header ul {
        gap: 1rem;
    }
    
    .auth-card, .profile-card {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}