:root {
    --primary-color: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-light: rgba(37, 99, 235, 0.08);
    --primary-glow: rgba(37, 99, 235, 0.15);

    --secondary-color: #64748B;
    --secondary-hover: #475569;
    --secondary-light: rgba(100, 116, 139, 0.08);

    --success-color: #16A34A;
    --success-hover: #15803D;
    --success-light: rgba(22, 163, 74, 0.1);

    --warning-color: #D97706;
    --warning-hover: #B45309;
    --warning-light: rgba(217, 119, 6, 0.1);

    --danger-color: #DC2626;
    --danger-hover: #B91C1C;
    --danger-light: rgba(220, 38, 38, 0.1);

    --info-color: #0284C7;
    --info-light: rgba(2, 132, 199, 0.1);

    --bg-color: #F8FAFC;
    --card-bg: #FFFFFF;

    --text-dark: #111827;
    --text-secondary: #374151;
    --text-muted: #6B7280;

    --border-color: #E5E7EB;
    --border-radius: 12px;
    --border-radius-sm: 8px;

    --soft-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.03);
    --hover-shadow: 0 4px 12px -2px rgba(17, 24, 39, 0.08), 0 2px 6px -1px rgba(17, 24, 39, 0.04);
    --card-border: 1px solid #E5E7EB;
    --transition-speed: 0.2s;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-secondary);
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #CBD5E1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94A3B8;
}

/* Sidebar Styles */
.sidebar {
    width: 260px;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    background-color: var(--card-bg);
    border-right: var(--card-border);
    z-index: 1000;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: var(--card-border);
    background: var(--card-bg);
    z-index: 10;
    flex-shrink: 0;
}

.sidebar-brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 10px rgba(15, 82, 186, 0.2);
    flex-shrink: 0;
}

.sidebar-menu {
    padding: 20px 12px;
    list-style: none;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-footer {
    padding: 16px;
    border-top: var(--card-border);
    background: var(--card-bg);
    flex-shrink: 0;
}


.sidebar-menu .menu-header {
    font-size: 0.72rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-muted);
    padding: 15px 16px 8px 16px;
    letter-spacing: 1px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #475569;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.92rem;
    transition: all var(--transition-speed) ease;
    margin-bottom: 4px;
    position: relative;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.sidebar-menu li a.active {
    font-weight: 600;
}

.sidebar-menu li a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 25%;
    height: 50%;
    width: 4px;
    background-color: var(--primary-color);
    border-radius: 0 4px 4px 0;
}

.sidebar-menu li a i {
    font-size: 1.15rem;
    transition: transform var(--transition-speed);
}

.sidebar-menu li a:hover i {
    transform: scale(1.08);
}

/* Content Area */
.main-content {
    margin-left: 260px;
    padding: 30px 40px;
    min-height: 100vh;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

/* Topbar Styles */
.topbar {
    background-color: var(--card-bg);
    padding: 14px 28px;
    border-radius: var(--border-radius);
    box-shadow: var(--soft-shadow);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: var(--card-border);
}

/* Cards & Layout Items */
.content-card,
.card-custom {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--soft-shadow);
    border: var(--card-border);
    padding: 24px;
    margin-bottom: 24px;
    transition: box-shadow var(--transition-speed), transform var(--transition-speed);
}

/* Form Uyumlu Detay Gösterim Kutuları */
.detail-field-box {
    background-color: #F8FAFC;
    border: 1.5px solid #E2E8F0;
    border-radius: var(--border-radius-sm);
    padding: 0.7rem 1.1rem;
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 600;
    min-height: 48px;
    display: flex;
    align-items: center;
    width: 100%;
}

/* Stat Cards */
.stat-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--soft-shadow);
    border: var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--hover-shadow);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    transition: transform 0.3s;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(3deg);
}

.stat-icon.primary {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.stat-icon.secondary {
    background-color: var(--secondary-light);
    color: var(--secondary-color);
}

.stat-icon.warning {
    background-color: var(--warning-light);
    color: #D97706;
}

.stat-icon.info {
    background-color: var(--info-light);
    color: var(--info-color);
}

.stat-icon.danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

/* Custom Buttons Hierarchy */
.btn-primary-custom,
.btn-primary {
    background-color: var(--primary-color);
    color: #FFFFFF;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.875rem;
    border: 1px solid var(--primary-color);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-primary-custom:hover,
.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #FFFFFF;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.1);
}

.btn-primary-custom:active,
.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary-custom,
.btn-secondary {
    background-color: var(--card-bg);
    color: var(--text-dark);
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-secondary-custom:hover,
.btn-secondary:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-danger-custom,
.btn-danger {
    background-color: var(--danger-color);
    color: #FFFFFF;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.875rem;
    border: 1px solid var(--danger-color);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-danger-custom:hover,
.btn-danger:hover {
    background-color: var(--danger-hover);
    border-color: var(--danger-hover);
    color: #FFFFFF;
}

.btn-success-custom,
.btn-success {
    background-color: var(--success-color);
    color: #FFFFFF;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.875rem;
    border: 1px solid var(--success-color);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-success-custom:hover,
.btn-success:hover {
    background-color: var(--success-hover);
    border-color: var(--success-hover);
    color: #FFFFFF;
}

.btn-outline-custom,
.btn-outline-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-outline-custom:hover,
.btn-outline-secondary:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-ghost-custom,
.btn-light {
    background-color: transparent;
    color: var(--text-muted);
    border-radius: 8px;
    padding: 6px 12px;
    font-weight: 500;
    font-size: 0.875rem;
    border: none;
    transition: all var(--transition-speed) ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-ghost-custom:hover,
.btn-light:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

/* Tables */
.table-responsive {
    border-radius: var(--border-radius-sm);
    border: var(--card-border);
    overflow: auto;
}

.custom-table,
.table {
    margin-bottom: 0;
    color: var(--text-dark);
}

.custom-table th,
.table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.custom-table td,
.table td {
    vertical-align: middle;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-dark);
}

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

.custom-table tbody tr,
.table tbody tr {
    transition: background-color var(--transition-speed);
}

.custom-table tbody tr:hover,
.table tbody tr:hover {
    background-color: var(--primary-light);
}

/* Badges */
.badge {
    padding: 4px 10px;
    font-weight: 500;
    border-radius: 6px;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.badge.bg-light {
    background-color: var(--bg-color) !important;
    color: var(--text-muted) !important;
    border: 1px solid var(--border-color) !important;
}

/* Forms */
.form-control,
.form-select {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    padding: 0.55rem 0.9rem;
    font-size: 0.875rem;
    color: var(--text-dark);
    transition: all var(--transition-speed) ease;
}

.form-control-lg,
.form-select-lg {
    padding: 0.75rem 1.1rem;
    font-size: 0.95rem;
    border-radius: var(--border-radius);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background-color: var(--card-bg);
    color: var(--text-dark);
}

/* Input Group Adjustments */
.input-group>.form-control,
.input-group>.form-select,
.input-group>.input-group-text {
    border-radius: var(--border-radius-sm);
}

.input-group> :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
    margin-left: -1px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group> :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu):not(.form-floating) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group-text {
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-muted);
    padding: 0.55rem 0.9rem;
    transition: all var(--transition-speed);
}

.input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    color: var(--primary-color) !important;
}

.input-group:focus-within .form-control,
.input-group:focus-within .form-select {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-label {
    margin-bottom: 6px;
    color: var(--text-dark);
    font-weight: 550;
    font-size: 0.9rem;
}

/* Custom Tabs (Nav Pills) */
.nav-pills {
    background-color: #F1F5F9;
    padding: 6px;
    border-radius: 14px;
    display: inline-flex;
    gap: 4px;
}

.nav-pills .nav-item {
    margin: 0;
}

.nav-pills .nav-link {
    color: #64748B;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 10px;
    background-color: transparent;
    border: none;
    margin: 0;
    font-size: 0.88rem;
    transition: all 0.2s ease;
}

.nav-pills .nav-link.active {
    background-color: var(--card-bg);
    color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
}

.nav-pills .nav-link:hover:not(.active) {
    color: var(--text-dark);
    background-color: rgba(226, 232, 240, 0.5);
}

/* Checkbox Cards */
.checkbox-card {
    border: 2px solid #E2E8F0;
    border-radius: 12px;
    padding: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
    height: 100%;
    background-color: var(--card-bg);
}

.checkbox-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--soft-shadow);
}

.btn-check:checked+.checkbox-card {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Upload Area */
.upload-area {
    border: 2px dashed #CBD5E1;
    border-radius: var(--border-radius);
    padding: 35px 20px;
    text-align: center;
    background-color: #F8FAFC;
    cursor: pointer;
    transition: all 0.2s ease;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
    transform: scale(0.99);
}

/* Modal styling */
.modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 1060 !important;
}

.modal-dialog-centered {
    display: flex !important;
    align-items: center !important;
    min-height: calc(100% - 3.5rem) !important;
    margin: 1.75rem auto !important;
}

.modal-content {
    border: none !important;
    border-radius: 20px !important;
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.15) !important;
}

.modal-header {
    padding: 24px 28px 12px 28px;
}

.modal-body {
    padding: 12px 28px 24px 28px;
}

.modal-footer {
    padding: 12px 28px 24px 28px;
}

/* Avatar Initials */
.avatar-circle {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(15, 82, 186, 0.15) 100%);
    color: var(--primary-color);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.88rem;
    box-shadow: inset 0 2px 4px rgba(15, 82, 186, 0.05);
}

/* Toast Wrapper Styles */
#toastWrapper {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.alert-notification {
    pointer-events: auto;
    width: 320px;
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    margin: 0;
    padding: 14px 18px;
    transform: translateX(120%);
    animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastSlideIn {
    to {
        transform: translateX(0);
    }
}

/* Fade In Animations */
.fade-in {
    opacity: 0;
    animation: fadeInUp 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in-up {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: none;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #F1F5F9 25%, #E2E8F0 50%, #F1F5F9 75%);
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s infinite;
    border-radius: 4px;
}

@keyframes skeletonLoading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Empty State */
.empty-state {
    padding: 50px 20px;
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4.5rem;
    color: #E2E8F0;
    margin-bottom: 18px;
    display: inline-block;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    font-size: 1.6rem;
    background: none;
    border: none;
    color: var(--text-dark);
    padding: 4px;
    border-radius: 8px;
    transition: background-color 0.2s;
}

.mobile-toggle:hover {
    background-color: #F1F5F9;
}

/* Responsive Grid / Shell */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }

    .mobile-toggle {
        display: block !important;
    }

    .topbar {
        padding: 12px 20px;
    }
}

/* Print Overrides */
@media print {

    .sidebar,
    .topbar,
    .filter-toolbar,
    .pagination,
    .actions-column,
    .btn-print-hide,
    .footer,
    .btn,
    .btn-primary-custom,
    .btn-secondary-custom {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }

    .content-card,
    .card-custom {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
    }
}

/* Select2 Custom Theme & Dark Mode Integration */
.select2-container--bootstrap-5 .select2-selection {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    border-radius: var(--border-radius-sm) !important;
    min-height: 38px !important;
    color: var(--text-dark) !important;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered {
    color: var(--text-dark) !important;
    line-height: 2.2rem !important;
}

.select2-dropdown {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    color: var(--text-dark) !important;
    box-shadow: var(--hover-shadow) !important;
}

.select2-container--bootstrap-5 .select2-results__option--highlighted[aria-selected] {
    background-color: var(--primary-color) !important;
    color: #FFFFFF !important;
}

.select2-container--bootstrap-5 .select2-results__option {
    color: var(--text-dark) !important;
}

.select2-search__field {
    background-color: var(--bg-color) !important;
    color: var(--text-dark) !important;
    border-color: var(--border-color) !important;
}

/* Modal Dark Mode Theme Overrides */
.modal-content {
    background-color: var(--card-bg) !important;
    color: var(--text-dark) !important;
    border: var(--card-border) !important;
}

.modal-header,
.modal-footer {
    border-color: var(--border-color) !important;
}

/* DataTables Controls Theme Overrides */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background-color: var(--card-bg) !important;
    color: var(--text-dark) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius-sm) !important;
    padding: 4px 8px !important;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    color: var(--text-muted) !important;
    font-size: 0.85rem !important;
    margin-top: 12px !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 6px !important;
    border: 1px solid var(--border-color) !important;
    background: var(--card-bg) !important;
    color: var(--text-dark) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #FFFFFF !important;
}