/* Reset dan Base Styles */
* {
    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 {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    background-color: #34495e;
    border-bottom: 1px solid #34495e;
}

.sidebar-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-menu {
    list-style: none;
    padding: 0;
}

.nav-section {
    border-bottom: 1px solid #34495e;
}

.nav-section-title {
    padding: 15px 20px;
    color: #bdc3c7;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: #34495e;
}

.nav-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-submenu li {
    border-bottom: 1px solid #34495e;
}

.nav-link {
    display: block;
    padding: 12px 20px 12px 40px;
    color: #ecf0f1;
    text-decoration: none;
    transition: background-color 0.3s;
    font-size: 0.95rem;
}

.nav-link:hover {
    background-color: #34495e;
}

.nav-link.active {
    background-color: #3498db;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 0;
}

.header {
    background-color: white;
    padding: 20px 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-bottom: 1px solid #e0e0e0;
}

.header h1 {
    font-size: 1.8rem;
    color: #2c3e50;
}

.module-content {
    padding: 30px;
}

.module {
    display: none;
}

.module.active {
    display: block;
}

.module-header {
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Button Styles */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-success {
    background-color: #27ae60;
    color: white;
}

.btn-success:hover {
    background-color: #229954;
}

.btn-warning {
    background-color: #f39c12;
    color: white;
}

.btn-warning:hover {
    background-color: #e67e22;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
}

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

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Table Styles */
.table-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

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

.data-table th {
    background-color: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #e0e0e0;
}

.data-table td {
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
}

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

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.close {
    position: absolute;
    right: 15px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #aaa;
    z-index: 1;
}

.close:hover {
    color: #000;
}

/* Form Styles */
.form-container {
    padding: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.form-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

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

.laporan-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.laporan-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1rem;
}

.laporan-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: #3498db;
}

/* Finance Styles */
.finance-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.finance-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
    border-left: 4px solid #3498db;
}

.finance-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.finance-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2c3e50;
}

.finance-value.positive {
    color: #27ae60;
}

.finance-value.negative {
    color: #e74c3c;
}

/* Stock Status */
.stock-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.stock-status.aman {
    background-color: #d4edda;
    color: #155724;
}

.stock-status.warning {
    background-color: #fff3cd;
    color: #856404;
}

.stock-status.kritis {
    background-color: #f8d7da;
    color: #721c24;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .module-content {
        padding: 15px;
    }
    
    .data-table {
        font-size: 12px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px;
    }
    
    .laporan-container {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}

.hidden {
    display: none;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}