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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

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

/* Login Page */
.login-container {
    max-width: 500px;
    margin-top: 100px;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.form-row .form-group {
    flex: 1;
}

button, .btn {
    background: #1e40af;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover, .btn:hover {
    background: #1d3a9c;
}

.btn-export {
    background: #059669;
    margin-bottom: 20px;
    display: inline-block;
}

/* Alerts */
.alert {
    padding: 10px;
    margin-bottom: 20px;
    border-radius: 4px;
}

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

.alert-success {
    background: #efe;
    border: 1px solid #cfc;
    color: #393;
}

/* Tables */
.report-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
}

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

.report-table th {
    background: #f8fafc;
    font-weight: bold;
}

.report-table tr:hover {
    background: #f1f5f9;
}

/* Pagination */
.pagination {
    margin: 20px 0;
}

.pagination a {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 5px;
    text-decoration: none;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.pagination a.active {
    background: #1e40af;
    color: white;
    border-color: #1e40af;
}

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