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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #b29de0d3 0%, #caa2f2 100%);
    min-height: 100vh;
    color: #333;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: #304fd7e3;
    margin-bottom: 10px;
    font-size: 28px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.login-info {
    margin-top: 25px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 13px;
    color: #666;
}

.login-info p {
    margin: 5px 0;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo h2 {
    color: #bcc8fa;
    font-size: 24px;
}

.nav {
    display: flex;
    gap: 5px;
    flex: 1;
}

.nav-link {
    padding: 10px 20px;
    color: #555;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-link:hover {
    background: #bcc8fa;
    color: white;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #bcc8fa;
}

.table-avatar {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 30px 30px;
}

.container h1 {
    color: white;
    margin-bottom: 30px;
    font-size: 32px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* Cards */
.card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.card h2 {
    color: #333;
    margin-bottom: 25px;
    font-size: 22px;
    border-bottom: 3px solid #bcc8fa;
    padding-bottom: 10px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 48px;
}

.stat-info h3 {
    font-size: 24px;
    margin-bottom: 5px;
}

.stat-info p {
    color: #666;
    font-size: 14px;
}

.stat-card.green .stat-info h3 { color: #28a745; }
.stat-card.red .stat-info h3 { color: #dc3545; }
.stat-card.blue .stat-info h3 { color: #007bff; }
.stat-card.purple .stat-info h3 { color: #6f42c1; }

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #bcc8fa;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.filter-form {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

/* Buttons */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-primary {
    background: #bcc8fa;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

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

.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-sm {
    padding: 6px 15px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
    display: block;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    margin: 20px 0;
}

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

.table thead {
    background: linear-gradient(135deg, #bcc8fa 0%, #b29de0d3 100%);
    color: white;
}

.table th,
.table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

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

.table tfoot {
    background: #f8f9fa;
    font-weight: bold;
}

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

/* Badges */
.badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

/* Chart Container */
canvas {
    max-height: 400px;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-link {
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px 15px;
    }
    
    .card {
        padding: 20px;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .header,
    .no-print {
        display: none;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }
}

/* Chart Styles */
.chart-container {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.chart-container h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 20px;
    border-bottom: 2px solid #c0cbfb;
    padding-bottom: 10px;
}

/* Responsive charts */
@media (max-width: 768px) {
    .chart-container {
        padding: 15px;
    }
    
    canvas {
        max-height: 300px !important;
    }
}