:root {
    --primary-dark: #1a5f7a;
    --primary: #2d8bc0;
    --primary-light: #57c1eb;
    --secondary: #f8f9fa;
    --dark: #343a40;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', 'Open Sans', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.logo-container {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.logo {
    /* Ukuran Wadah Lingkaran */
    width: 80px;  /* Sesuaikan selera Mas (60px, 80px, atau 100px) */
    height: 80px;
    
    background: white;
    border-radius: 50%; /* Membuat lingkaran */
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    
    /* HILANGKAN PADDING supaya gambar mentok sampai pinggir */
    padding: 0; 
    
    /* Penting: Memotong bagian gambar yang keluar dari lingkaran */
    overflow: hidden; 
    
    /* Opsional: Border tipis biar rapi */
    border: 3px solid white; 
}

.logo img {
    width: 100%;
    height: 100%;
    
    /* INI RAHASIANYA MAS: */
    /* cover = paksa gambar memenuhi lingkaran (zoom & crop otomatis) */
    object-fit: cover; 
    
    display: block;
}

.logo-container h1 {
    font-size: 20px;
    margin-bottom: 5px;
}

.logo-container p {
    font-size: 12px;
    opacity: 0.8;
}

.nav-section {
    margin-bottom: 30px;
}

.nav-section h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-menu li {
    margin-bottom: 8px;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 12px 15px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-menu a.active {
    background: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.user-info {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    font-size: 40px;
    color: rgba(255, 255, 255, 0.8);
}

.user-details {
    display: flex;
    flex-direction: column;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-light);
}

.main-header h2 {
    color: var(--dark);
    font-size: 28px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.date-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray);
}

/* Button Styles */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

/* Dashboard Cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin-right: 20px;
    flex-shrink: 0;
}

.card-content h3 {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 5px;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.stat-period {
    font-size: 14px;
    color: var(--gray);
}

/* Reports Section */
.reports-section, .admin-panel {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 25px;
    margin-bottom: 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h3 {
    color: var(--dark);
    font-size: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.period-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

select, input[type="date"], input[type="text"], textarea {
    padding: 10px 15px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

select:focus, input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(45, 139, 192, 0.2);
}

.export-buttons {
    display: flex;
    gap: 10px;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

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

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

tbody tr {
    border-bottom: 1px solid var(--gray-light);
    transition: var(--transition);
}

tbody tr:hover {
    background-color: #f8f9fa;
}

td {
    padding: 15px;
    vertical-align: middle;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

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

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--gray-light);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Notification Styles */
#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

.notification {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 15px 20px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary);
}

.notification.success {
    border-left-color: var(--success);
}

.notification.error {
    border-left-color: var(--danger);
}

.notification.warning {
    border-left-color: var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Action Buttons in Table */
.action-buttons {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

.delete-btn {
    background-color: #f8d7da;
    color: #721c24;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        padding: 15px;
    }
    
    .nav-menu {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .nav-menu li {
        flex: 1;
        min-width: 150px;
    }
    
    .main-content {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .dashboard-cards {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .period-selector {
        width: 100%;
    }
    
    .header-actions {
        flex-direction: column;
        align-items: flex-start;
    }
}

#wrapper {
    overflow-x: hidden;
  }
  #sidebar-wrapper {
    min-height: 100vh;
    margin-left: -15rem; /* Default tersembunyi atau sesuaikan */
    transition: margin .25s ease-out;
  }
  #sidebar-wrapper .sidebar-heading {
    padding: 0.875rem 1.25rem;
    font-size: 1.2rem;
  }
  #wrapper.toggled #sidebar-wrapper {
    margin-left: 0;
  }
  
  /* Logika responsive: Di layar besar sidebar muncul, di klik hilang */
  @media (min-width: 768px) {
    #sidebar-wrapper {
      margin-left: 0;
    }
    #wrapper.toggled #sidebar-wrapper {
      margin-left: -15rem;
    }
  }