:root {
    --primary: #1B8BA4;
    --primary-dark: #146B7E;
    --secondary: #7FB842;
    --success: #28A745;
    --info: #17A2B8;
    --warning: #FFC107;
    --danger: #DC3545;
    --text: #333;
    --border: #E0E0E0;
    --bg: #F8F9FA;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #E0F4F7 0%, #F8F9FA 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 30px;
    border-radius: 20px 20px 0 0;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.header .logo {
    height: 50px;
    width: auto;
}

.header h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

.header p {
    opacity: 0.9;
    font-size: 14px;
}

.btn-secondary {
    padding: 10px 20px;
    background: rgba(255,255,255,0.2);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.3);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.stat-card i {
    font-size: 40px;
    color: var(--primary);
}

.stat-card h3 {
    font-size: 32px;
    color: var(--primary);
}

.stat-card p {
    color: var(--text);
    font-size: 14px;
}

.toolbar {
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.search-box {
    flex: 1;
    min-width: 300px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 15px;
    color: #999;
}

.search-box input {
    width: 100%;
    padding: 12px 12px 12px 45px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.actions {
    display: flex;
    gap: 10px;
}

button {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #218838;
    transform: translateY(-2px);
}

.btn-info {
    background: var(--info);
    color: white;
}

.btn-info:hover {
    background: #138496;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

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

.table-container {
    background: white;
    border-radius: 12px;
    overflow-x: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.table-container::-webkit-scrollbar {
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.table-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.table-container::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

table {
    width: 100%;
    min-width: 1800px;
    border-collapse: collapse;
}

thead {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border);
}

tbody tr {
    transition: all 0.3s ease;
}

tbody tr:hover {
    background: #F0F9FB;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    background: var(--primary);
    color: white;
    margin: 2px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.modal-header {
    padding: 25px;
    border-bottom: 2px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: 16px 16px 0 0;
}

.modal-header h2 {
    font-size: 20px;
}

.btn-close {
    background: none;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    padding: 25px;
}

.detail-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 15px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--primary);
}

.detail-value {
    color: var(--text);
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .toolbar {
        flex-direction: column;
    }
    
    .search-box {
        width: 100%;
    }
    
    .actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .actions button {
        flex: 1;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    table {
        min-width: 800px;
    }
}