/**
 * Admin Panel Custom Styles
 * Modern, clean design for admin dashboard with Dark/Light mode support
 * Redesigned for better UX and visual appeal
 */

:root {
    --admin-primary: #6366f1;
    --admin-primary-dark: #4f46e5;
    --admin-primary-light: #818cf8;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-info: #3b82f6;
    --admin-light: #f8fafc;
    --admin-dark: #1e293b;
    --admin-border: #e2e8f0;
    --admin-shadow: rgba(0, 0, 0, 0.08);
    --admin-shadow-lg: rgba(0, 0, 0, 0.12);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

/* Light Theme (Default) */
[data-theme="light"],
:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F7;
    --bg-tertiary: #FAFAFA;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --border-color: #D2D2D7;
    --sidebar-bg: #F8F9FA;
    --sidebar-hover: #E9ECEF;
    --sidebar-text: #1D1D1F;
    --sidebar-link: #495057;
    --sidebar-link-hover: #1D1D1F;
    --sidebar-border: #DEE2E6;
    --sidebar-search-bg: #FFFFFF;
    --navbar-bg: #FFFFFF;
    --card-bg: #FFFFFF;
    --table-bg: #F5F5F7;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #252525;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #404040;
    --sidebar-bg: #1e1e1e;
    --sidebar-hover: #2a2a2a;
    --sidebar-text: #e0e0e0;
    --sidebar-link: #a0a0a0;
    --sidebar-link-hover: #e0e0e0;
    --sidebar-border: rgba(255, 255, 255, 0.05);
    --sidebar-search-bg: #2a2a2a;
    --navbar-bg: #1a1a1a;
    --card-bg: #252525;
    --table-bg: #2d2d2d;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color) !important;
    box-shadow: 0 1px 3px var(--admin-shadow);
    transition: background-color 0.3s ease, border-color 0.3s ease;
    padding: 0.5rem 0;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary) !important;
}

.navbar-nav .nav-link {
    color: var(--text-primary) !important;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--admin-primary) !important;
}

.theme-toggle {
    border: none;
    background: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    color: var(--admin-primary) !important;
    transform: scale(1.1);
}

.dropdown-menu {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dropdown-item {
    color: var(--text-primary);
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Sidebar Styles - Theme Aware */
.sidebar {
    min-height: calc(100vh - 64px);
    background-color: var(--sidebar-bg);
    box-shadow: 2px 0 8px var(--admin-shadow);
    color: var(--sidebar-text);
    transition: background-color 0.3s ease, color 0.3s ease;
    border-right: 1px solid var(--sidebar-border);
    padding-top: 0.5rem;
}

.sidebar-search {
    background-color: var(--sidebar-search-bg);
    border-bottom: 1px solid var(--sidebar-border) !important;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.sidebar-search .form-control {
    background-color: var(--sidebar-search-bg);
    border: 1px solid var(--sidebar-border);
    color: var(--sidebar-text);
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.sidebar-search .form-control::placeholder {
    color: var(--sidebar-link);
}

.sidebar-search .form-control:focus {
    background-color: var(--sidebar-search-bg);
    border-color: #3498db;
    color: var(--sidebar-text);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.sidebar-search .btn-outline-secondary {
    border-color: var(--sidebar-border);
    color: var(--sidebar-link);
    transition: all 0.3s ease;
}

.sidebar-search .btn-outline-secondary:hover {
    background-color: #3498db;
    border-color: #3498db;
    color: white;
}

.sidebar .nav-link {
    color: var(--sidebar-link);
    padding: 8px 16px;
    border-radius: 0;
    margin: 0;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    font-size: 0.875rem;
}

.sidebar .nav-link:hover {
    background-color: var(--sidebar-hover);
    color: var(--sidebar-link-hover);
    border-left-color: #3498db;
}

.sidebar .nav-link.active {
    background-color: var(--sidebar-hover);
    color: var(--sidebar-link-hover);
    font-weight: 500;
    border-left-color: #3498db;
}

.sidebar .nav-link i {
    width: 18px;
    text-align: center;
    font-size: 0.85rem;
}

.sidebar .badge {
    margin-left: auto;
    font-size: 0.65rem;
    padding: 2px 6px;
}

/* Sidebar Toggleable Submenu */
.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.sidebar-toggle .toggle-icon {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    margin-left: auto;
}

.sidebar-toggle[aria-expanded="true"] .toggle-icon,
.sidebar-submenu.show ~ .sidebar-toggle .toggle-icon {
    transform: rotate(180deg);
}

.sidebar-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0;
    margin: 0;
    list-style: none;
    background-color: var(--sidebar-hover);
    border-left: 3px solid transparent;
}

.sidebar-submenu.show {
    max-height: 500px;
    padding: 4px 0;
    border-left-color: #3498db;
}

.sidebar-submenu li {
    margin: 0;
}

.sidebar-submenu .submenu-item {
    color: var(--sidebar-link);
    padding: 6px 16px 6px 42px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 0.85rem;
}

.sidebar-submenu .submenu-item:hover {
    background-color: rgba(52, 152, 219, 0.2);
    color: var(--sidebar-link-hover);
    border-left-color: #3498db;
}

.sidebar-submenu .submenu-item.active {
    background-color: rgba(52, 152, 219, 0.3);
    color: var(--sidebar-link-hover);
    border-left-color: #3498db;
    font-weight: 500;
}

.sidebar-submenu .submenu-item i {
    width: 16px;
    text-align: center;
    font-size: 0.8rem;
}

/* Nested submenu support */
.sidebar-submenu .sidebar-submenu {
    background-color: rgba(0, 0, 0, 0.1);
    margin-left: 0;
    border-left: none;
}

[data-theme="light"] .sidebar-submenu .sidebar-submenu {
    background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .sidebar-submenu .sidebar-submenu {
    background-color: rgba(255, 255, 255, 0.05);
}

.sidebar-submenu .sidebar-submenu .submenu-item {
    font-size: 0.8rem;
}

[data-theme="light"] .sidebar-submenu {
    background-color: #E9ECEF;
}

[data-theme="dark"] .sidebar-submenu {
    background-color: #2a2a2a;
}

.sidebar-submenu.show {
    border-left-color: var(--admin-primary);
}

[data-theme="light"] .sidebar-submenu .submenu-item {
    color: #495057;
}

[data-theme="dark"] .sidebar-submenu .submenu-item {
    color: #a0a0a0;
}

.sidebar-submenu .submenu-item:hover,
.sidebar-submenu .submenu-item.active {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--admin-primary);
    border-left-color: var(--admin-primary);
}

/* Card Styles */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    overflow: hidden;
    position: relative;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px var(--admin-shadow-lg) !important;
    border-color: var(--admin-primary-light);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    background-color: var(--card-bg) !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-primary);
}

/* Table Styles */
.table {
    border-radius: 12px;
    overflow: hidden;
    color: var(--text-primary);
    margin-bottom: 0;
}

.table thead {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--table-bg) 100%);
    color: var(--text-primary);
}

.table thead th {
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.625rem 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.table tbody {
    background-color: var(--card-bg);
}

.table tbody td {
    padding: 0.625rem 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.table-hover tbody tr {
    transition: all 0.2s ease;
}

.table-hover tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.01);
    box-shadow: 0 2px 8px var(--admin-shadow);
}

.table td, .table th {
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Badge Styles */
.badge {
    padding: 6px 12px;
    font-weight: 500;
    border-radius: 6px;
}

/* Button Styles */
.btn {
    border-radius: 10px;
    font-weight: 600;
    padding: 10px 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.875rem;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
    border: none;
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--admin-primary-dark) 0%, var(--admin-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
    color: white;
}

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

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

.btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-dark) 100%);
    border-color: var(--admin-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-outline-danger {
    border-color: var(--admin-danger);
    color: var(--admin-danger);
}

.btn-outline-danger:hover {
    background-color: var(--admin-danger);
    border-color: var(--admin-danger);
    color: white;
}

/* Form Styles */
.form-control,
.form-select {
    background-color: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 10px 14px;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-primary);
    border-color: var(--admin-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
}

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

.form-label {
    color: var(--text-primary);
}

/* Alert Styles */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.alert-success {
    background-color: rgba(52, 199, 89, 0.1);
    color: var(--admin-success);
    border-left: 4px solid var(--admin-success);
}

.alert-danger {
    background-color: rgba(255, 59, 48, 0.1);
    color: var(--admin-danger);
    border-left: 4px solid var(--admin-danger);
}

.alert-warning {
    background-color: rgba(255, 149, 0, 0.1);
    color: var(--admin-warning);
    border-left: 4px solid var(--admin-warning);
}

.alert-info {
    background-color: rgba(90, 200, 250, 0.1);
    color: var(--admin-info);
    border-left: 4px solid var(--admin-info);
}

/* Pagination */
.pagination .page-link {
    background-color: var(--card-bg);
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    margin: 0 4px;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background-color: var(--bg-secondary);
    border-color: var(--admin-primary);
    color: var(--admin-primary);
}

.pagination .page-item.active .page-link {
    background-color: var(--admin-primary);
    border-color: var(--admin-primary);
    color: white;
}

/* Statistics Cards - Enhanced */
.stat-card {
    position: relative;
    overflow: hidden;
    border: none !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-card .card-body {
    position: relative;
    z-index: 1;
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.stat-card-icon i {
    font-size: 1.25rem !important;
}

.stat-card:hover .stat-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.stat-card-title {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.stat-card-value {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stat-card-badge {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.2rem 0.45rem;
    border-radius: 16px;
    font-size: 0.65rem;
    font-weight: 600;
}

/* Secondary Stat Cards */
.secondary-stat-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.secondary-stat-card:hover {
    border-color: var(--admin-primary);
    box-shadow: 0 8px 16px var(--admin-shadow);
}

.secondary-stat-card .stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.card .fa-2x {
    opacity: 0.9;
}

/* Modal */
.modal-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-body {
    color: var(--text-primary);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

/* Code blocks */
code {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* List group */
.list-group-item {
    background-color: var(--card-bg);
    border: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 0;
}

.list-group-item:last-child {
    border-bottom: none;
}

.list-group-item:hover {
    background-color: var(--bg-secondary);
}

/* Main content area */
main {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* Page Header Enhancement */
.page-header {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-light) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.25rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* Border utilities */
.border-bottom {
    border-color: var(--border-color) !important;
}

/* Text colors */
.text-muted {
    color: var(--text-secondary) !important;
}

/* Manual Payment & TXID Styles */
.txid-cell {
    min-width: 150px;
}

.txid-code {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    background: #f8f9fa;
    padding: 4px 6px;
    border-radius: 4px;
    display: block;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border: 1px solid #dee2e6;
    transition: all 0.2s;
}

.txid-code:hover {
    background: #e9ecef;
    border-color: #adb5bd;
    cursor: pointer;
}

/* Highlight manual payment rows */
table tbody tr:has(.badge.bg-warning.text-dark) {
    background-color: #fff3cd !important;
}

table tbody tr:has(.badge.bg-warning.text-dark):hover {
    background-color: #ffe69c !important;
}

/* Manual payment badge styling */
.badge.bg-warning.text-dark {
    font-weight: 600;
    padding: 4px 8px;
}

/* Professional Invoices Page Enhancements - Compact */
.invoices-stats-row {
    margin-bottom: 1rem !important;
}

.invoices-stats-row .card {
    border: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.invoices-stats-row .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--admin-primary), var(--admin-info));
}

.invoices-stats-row .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
}

.invoices-stats-row .col-md-3:nth-child(1) .card::before {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.invoices-stats-row .col-md-3:nth-child(2) .card::before {
    background: linear-gradient(90deg, #f093fb 0%, #f5576c 100%);
}

.invoices-stats-row .col-md-3:nth-child(3) .card::before {
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
}

.invoices-stats-row .col-md-3:nth-child(4) .card::before {
    background: linear-gradient(90deg, #43e97b 0%, #38f9d7 100%);
}

.invoices-stats-row .card-body {
    padding: 0.875rem 1rem;
}

.invoices-stats-row .card-body h6 {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 0.375rem;
    color: var(--text-secondary);
}

.invoices-stats-row .card-body h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.invoices-stats-row .col-md-3:nth-child(1) .card-body h3 {
    background: linear-gradient(135deg, #667eea, #764ba2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.invoices-stats-row .col-md-3:nth-child(2) .card-body h3 {
    color: #f5576c;
}

.invoices-stats-row .col-md-3:nth-child(3) .card-body h3 {
    color: #34C759;
}

.invoices-stats-row .col-md-3:nth-child(4) .card-body h3 {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Compact spacing adjustments */
.invoices-table-card .table tbody td small {
    font-size: 0.75rem;
}

.invoices-table-card .table tbody td code.txid-code {
    font-size: 0.7rem;
    padding: 2px 4px;
    max-width: 120px;
}

/* Enhanced Filters Card - Compact */
.invoices-filters-card {
    border: none;
    border-radius: 8px;
    background: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 0.75rem !important;
}

.invoices-filters-card .card-body {
    padding: 0.875rem 1rem;
}

.invoices-filters-card .form-label {
    font-weight: 600;
    font-size: 0.7rem;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.invoices-filters-card .form-control,
.invoices-filters-card .form-select {
    border: 2px solid var(--border-color);
    border-radius: 6px;
    padding: 0.4rem 0.625rem;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.invoices-filters-card .form-control:focus,
.invoices-filters-card .form-select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
    outline: none;
}

/* Enhanced Table Card - Compact */
.invoices-table-card {
    border: none;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.invoices-table-card .card-header {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-info));
    color: white;
    border: none;
    padding: 0.625rem 1rem;
}

.invoices-table-card .card-header h5 {
    font-weight: 700;
    font-size: 0.9rem;
    margin: 0;
}

.invoices-table-card .card-header i {
    margin-right: 0.375rem;
    font-size: 0.85rem;
}

.invoices-table-card .table {
    margin-bottom: 0;
    font-size: 0.85rem;
}

.invoices-table-card .table thead {
    background: var(--bg-secondary);
}

.invoices-table-card .table thead th {
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding: 0.5rem 0.625rem;
    white-space: nowrap;
}

.invoices-table-card .table tbody tr {
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.invoices-table-card .table tbody tr:hover {
    background-color: var(--bg-secondary);
    transform: scale(1.005);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.invoices-table-card .table tbody td {
    padding: 0.5rem 0.625rem;
    vertical-align: middle;
    font-size: 0.85rem;
}

.invoices-table-card .table tbody td strong {
    font-weight: 700;
    color: var(--text-primary);
}

/* Enhanced Badges - Compact */
.invoices-table-card .badge {
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    line-height: 1.2;
}

.badge.bg-success {
    background: linear-gradient(135deg, #34C759, #30d158) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #FF9500, #ffad33) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #FF3B30, #ff5757) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #5AC8FA, #64d2ff) !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #8E8E93, #a8a8ae) !important;
}

.badge.bg-dark {
    background: linear-gradient(135deg, #1C1C1E, #2c2c2e) !important;
}

/* Enhanced Action Buttons - Compact */
.invoices-table-card .btn-group-sm .btn {
    border-radius: 4px;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    border-width: 1.5px;
    line-height: 1.2;
}

.invoices-table-card .btn-outline-primary {
    color: var(--admin-primary);
    border-color: var(--admin-primary);
}

.invoices-table-card .btn-outline-primary:hover {
    background: var(--admin-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 122, 255, 0.3);
}

.invoices-table-card .btn-outline-success {
    color: var(--admin-success);
    border-color: var(--admin-success);
}

.invoices-table-card .btn-outline-success:hover {
    background: var(--admin-success);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 199, 89, 0.3);
}

.invoices-table-card .btn-outline-danger {
    color: var(--admin-danger);
    border-color: var(--admin-danger);
}

.invoices-table-card .btn-outline-danger:hover {
    background: var(--admin-danger);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 59, 48, 0.3);
}

/* Enhanced Modal Styling */
.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-info));
    color: white;
    border-radius: 12px 12px 0 0;
    border-bottom: none;
    padding: 1.5rem;
}

.modal-header .modal-title {
    font-weight: 700;
    font-size: 1.25rem;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.modal-header .btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
}

.modal-body .table {
    margin-bottom: 0;
}

.modal-body .table th {
    font-weight: 600;
    color: var(--text-secondary);
    width: 40%;
    border-bottom: 1px solid var(--border-color);
}

.modal-body .table td {
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 500;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

/* Enhanced Filter Buttons - Compact */
.invoices-filters-card .btn {
    border-radius: 6px;
    padding: 0.4rem 0.875rem;
    font-weight: 600;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    border-width: 1.5px;
    line-height: 1.3;
}

.invoices-filters-card .btn-primary {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-info));
    border: none;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.invoices-filters-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.invoices-filters-card .btn-secondary {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.invoices-filters-card .btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

/* Enhanced Alert Messages - Compact */
.alert {
    border: none;
    border-radius: 6px;
    padding: 0.625rem 0.875rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
    font-size: 0.85rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border-left: 4px solid var(--admin-success);
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border-left: 4px solid var(--admin-danger);
}

/* Enhanced Empty State */
.invoices-table-card .text-muted {
    text-align: center;
    padding: 3rem 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Page Header Enhancement - Compact */
.page-header-invoices {
    margin-bottom: 1rem !important;
    padding-bottom: 0.75rem !important;
}

.page-header-invoices h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.page-header-invoices p {
    font-size: 0.8rem !important;
    margin-bottom: 0 !important;
}

/* Dashboard Specific Enhancements */
.dashboard-header {
    margin-bottom: 0.75rem;
}

.dashboard-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-primary-light) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
}

.dashboard-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Enhanced Card Headers */
.card-header-modern {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--table-bg) 100%) !important;
    border-bottom: 2px solid var(--border-color) !important;
    padding: 0.55rem 0.75rem !important;
    border-radius: 12px 12px 0 0 !important;
}

.card-header-modern h5 {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
}

.card-header-modern h5 i {
    margin-right: 0.5rem;
    color: var(--admin-primary);
    font-size: 0.85rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-secondary);
    opacity: 0.5;
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* List Group Enhancements */
.list-group-item-modern {
    padding: 0.75rem 1rem;
    border: none;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.list-group-item-modern:last-child {
    border-bottom: none;
}

.list-group-item-modern:hover {
    background-color: var(--bg-secondary);
    padding-left: 1.125rem;
}

/* Badge Enhancements */
.badge-modern {
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    border-radius: 8px;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        min-height: auto;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .stat-card-value {
        font-size: 1.5rem;
    }
    
    .dashboard-header h1 {
        font-size: 1.75rem;
    }
    
    .txid-code {
        max-width: 100px;
        font-size: 10px;
    }
    
    .invoices-stats-row .card-body h3 {
        font-size: 1.5rem;
    }
    
    .invoices-table-card .table thead th,
    .invoices-table-card .table tbody td {
        padding: 0.75rem 0.5rem;
        font-size: 0.875rem;
    }
    
    .btn-group-sm .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}