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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

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

/* Header Styles */
.header {
    background-color: #1e3a8a;
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.header-actions a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.header-actions a:hover {
    background-color: rgba(255,255,255,0.1);
}


.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 30px;
    margin-bottom: 20px;
}

.card-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
}

.card-header h2 {
    color: #1e3a8a;
    font-size: 24px;
    font-weight: 600;
}


.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #374151;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e3a8a;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}


.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #1e3a8a;
    color: white;
}

.btn-primary:hover {
    background-color: #1e40af;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

.btn-danger {
    background-color: #dc2626;
    color: white;
}

.btn-danger:hover {
    background-color: #b91c1c;
}

.btn-success {
    background-color: #059669;
    color: white;
}

.btn-success:hover {
    background-color: #047857;
}


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

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

table thead {
    background-color: #1e3a8a;
    color: white;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

table tbody tr:hover {
    background-color: #f9fafb;
}

table tbody tr:last-child td {
    border-bottom: none;
}


.action-buttons {
    display: flex;
    gap: 8px;
}

.action-buttons .btn {
    padding: 6px 12px;
    font-size: 12px;
}


.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}


.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #3b82f6;
}

.login-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    color: #1e3a8a;
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #6b7280;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: #374151;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    table {
        font-size: 14px;
    }
    
    table th,
    table td {
        padding: 8px;
    }
}