* {
    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: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a:link {
	color: #3B6569;
}

a:hover {
	color: #D3E4E6;
}

a:visited {
	color: #7F8FA9;
}

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

/* Navigation */
.navbar {
    background-color: #1D3234;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

.nav-menu li a:hover {
    color: #AECCCF;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-left: 2rem;
    border-left: 1px solid rgba(255,255,255,0.2);
}

.logout-btn {
    background-color: #e74c3c;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

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

/* Main Content */
main {
    flex: 1;
    padding: 2rem 0;
}

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

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

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.login-card {
    background: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.subtitle {
    color: #7f8c8d;
    margin-bottom: 2rem;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

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

.btn-primary {
    background-color: #3498db;
    color: white;
    width: 100%;
}

.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;
}

/* Page Headers */
.page-header {
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-header h1 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.lead {
    font-size: 1.2rem;
    color: #7f8c8d;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Content Section */
.content-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.content-section h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ecf0f1;
}

.feature-list li:last-child {
    border-bottom: none;
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.stat-card h3 {
    font-size: 0.9rem;
    color: #7f8c8d;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #95a5a6;
    font-size: 0.9rem;
}

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

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 4px;
}

.activity-icon {
    font-size: 1.5rem;
}

.activity-details p {
    margin: 0;
}

.activity-time {
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* Contact Page */
.contact-info {
    margin-bottom: 2rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-form-section {
    margin-top: 2rem;
}

.note {
    margin-top: 1rem;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: #1D3234;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: auto;
}

/* Tables */
.table-section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #ecf0f1;
    background: #f8f9fa;
}

.table-header h2 {
    margin: 0;
    color: #2c3e50;
    font-size: 1.3rem;
}

.table-container {
    overflow-x: auto;
}

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

.data-table thead {
    background-color: #f8f9fa;
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #ecf0f1;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.data-table th:hover {
    background-color: #e9ecef;
}

.data-table tbody tr {
    border-bottom: 1px solid #ecf0f1;
    transition: background-color 0.2s;
}

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

.data-table td {
    padding: 1rem;
    color: #2c3e50;
}

.data-table td code {
    background-color: #f8f9fa;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #e74c3c;
}

.table-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: #f8f9fa;
    border-top: 1px solid #ecf0f1;
    font-size: 0.9rem;
    color: #7f8c8d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .user-info {
        border-left: none;
        border-top: 1px solid rgba(255,255,255,0.2);
        padding-left: 0;
        padding-top: 1rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}