/* Modern CSS for AI Actuarial Info Search */
:root {
    /* Primary Palette */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Semantic Colors */
    --success-500: #10b981;
    --success-600: #059669;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --info-500: #06b6d4;
    
    /* Neutral Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    
    /* Theme Variables - Light Mode */
    --primary-color: var(--primary-600);
    --primary-hover: var(--primary-700);
    --secondary-color: var(--gray-600);
    --success-color: var(--success-500);
    --warning-color: var(--warning-500);
    --error-color: var(--error-500);
    --background: var(--gray-50);
    --card-bg: #ffffff;
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --border-color: var(--gray-200);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Dark Mode */
[data-theme="dark"] {
    --background: var(--gray-900);
    --card-bg: var(--gray-800);
    --text-primary: var(--gray-50);
    --text-secondary: var(--gray-400);
    --border-color: var(--gray-700);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
}

h1, h2, h3, h4 {
    line-height: var(--leading-tight);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
}

/* Prevent background scroll when a modal is open */
body.modal-open {
    overflow: hidden;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    /* Prevent scroll chaining to the page when scrolling inside modal content. */
    overscroll-behavior: contain;
}

/* Default modal panel styling (light mode). */
.modal-content {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-height: 92vh;
    overflow: auto;
    overscroll-behavior: contain;
}

.modal-content pre,
.log-viewer {
    overscroll-behavior: contain;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.nav-link-disabled {
    opacity: 0.6;
    cursor: pointer;
}

.nav-link.nav-link-disabled:hover {
    color: var(--text-secondary);
    text-decoration: underline;
    text-decoration-style: dotted;
}

/* Main Content */
.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* Footer */
.footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

/* Dashboard */
.hero {
    text-align: center;
    padding: 3rem 0;
}

.hero h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 3rem;
}

.stat-content h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

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

/* Quick Actions */
.quick-actions {
    margin-bottom: 3rem;
}

.quick-actions h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.action-card, .collection-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid transparent;
}

.action-card:hover, .collection-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.action-icon, .card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: 12px;
    color: var(--primary-600);
}

[data-theme="dark"] .action-icon,
[data-theme="dark"] .card-icon {
    background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
    color: var(--primary-400);
}

.action-card h4, .collection-card h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.action-card p, .collection-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

th {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

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

tr:hover {
    background-color: var(--background);
}

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

/* Buttons */
.btn, .btn-primary, .btn-secondary, .btn-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.875rem;
    line-height: 1.5;
    outline: none;
    user-select: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

[data-theme="dark"] .btn-secondary {
    background: var(--gray-700);
    color: var(--gray-100);
    border-color: var(--gray-600);
}

.btn-secondary:hover {
    background: var(--gray-200);
    border-color: var(--gray-400);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--gray-600);
    border-color: var(--gray-500);
}

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    margin-right: 0.5rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

[data-theme="dark"] .btn-small {
    background: var(--gray-700);
    color: var(--gray-100);
    border-color: var(--gray-600);
}

.btn-small:hover {
    background: var(--gray-200);
    border-color: var(--gray-400);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-small:hover {
    background: var(--gray-600);
    border-color: var(--gray-500);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-600), var(--error-500));
    color: white;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #b91c1c, var(--error-600));
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

.btn-danger:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}

.btn-danger:focus-visible {
    outline: 2px solid var(--error-500);
    outline-offset: 2px;
}

.btn-info {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
    box-shadow: 0 2px 4px rgba(14, 165, 233, 0.2);
}

[data-theme="dark"] .btn-info {
    background: linear-gradient(135deg, #0284c7, #0369a1);
}

.btn-info:hover {
    background: linear-gradient(135deg, #0284c7, #0369a1);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-info:hover {
    background: linear-gradient(135deg, #0369a1, #075985);
}

.btn-info:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(14, 165, 233, 0.2);
}

.btn-info:focus-visible {
    outline: 2px solid #0ea5e9;
    outline-offset: 2px;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Icon Button */
.btn-icon {
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

[data-theme="dark"] .btn-icon:hover {
    background: var(--gray-700);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group.checkbox label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-style: italic;
}

/* Validation Feedback */
.field-error {
    display: block;
    margin-top: 0.35rem;
    font-size: var(--text-sm);
    color: var(--error-color);
}

.input-error,
.form-group input.input-error,
.form-group textarea.input-error,
.form-group select.input-error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    margin-bottom: 1rem;
}

/* Search Panel */
.search-panel {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.search-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.search-bar input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.filter-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-options select,
.results-controls select,
select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color 0.2s;
}

.filter-options select:hover,
.results-controls select:hover,
select:hover {
    border-color: var(--primary-color);
}

/* Results Panel */
.results-panel {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.results-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

#results-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.page-info {
    color: var(--text-secondary);
}

/* Status Badges */
.status-badge, .task-status {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-running, .status-active {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-completed, .status-success {
    background-color: #d1fae5;
    color: #065f46;
}

.status-failed, .status-error {
    background-color: #fee2e2;
    color: #991b1b;
}

.status-pending {
    background-color: #fef3c7;
    color: #92400e;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 1.5rem;
    background-color: var(--background);
    border-radius: 9999px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    transition: width 0.3s;
}

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

/* Task Cards */
.task-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.task-details {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.current-item {
    font-style: italic;
    color: var(--primary-color);
}

/* File Details */
.file-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.file-summary {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Info Cards */
.info-card {
    background-color: #dbeafe;
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 2rem;
}

.info-card h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.info-card code {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

/* Loading & Error States */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.error {
    color: var(--error-color);
    padding: 1rem;
    background-color: #fee2e2;
    border-radius: 6px;
    margin: 1rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-menu {
        gap: 1rem;
        font-size: 0.875rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .stats-grid,
    .action-grid {
        grid-template-columns: 1fr;
    }

    .search-bar {
        flex-direction: column;
    }

    .filter-options {
        flex-direction: column;
    }

    table {
        font-size: 0.875rem;
    }

    th, td {
        padding: 0.75rem 0.5rem;
    }
}

/* Page Headers */
.page-header {
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Icon System */
.icon-lg {
    width: 48px;
    height: 48px;
}

.icon-md {
    width: 24px;
    height: 24px;
}

.icon-sm {
    width: 20px;
    height: 20px;
}

.icon-xs {
    width: 16px;
    height: 16px;
}

/* Stat Icon Container */
.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-50));
    border-radius: 12px;
    color: var(--primary-600);
}

[data-theme="dark"] .stat-icon {
    background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
    color: var(--primary-400);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    margin-left: 1rem;
}

#theme-toggle-btn {
    position: relative;
    width: 40px;
    height: 40px;
}

.theme-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.sun-icon {
    opacity: 1;
}

.moon-icon {
    opacity: 0;
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
}

/* Smooth transitions for theme change */
body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar, .card, .stat-card, .action-card, .collection-card, .info-card, table {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Additional dark mode support for inline styled elements */
/* Modal styles that work with inline styles */
[data-theme="dark"] .modal-content {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%) !important;
    color: var(--text-primary);
}

[data-theme="dark"] .modal-content h3 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .close {
    color: var(--gray-400) !important;
}

[data-theme="dark"] .close:hover {
    color: var(--error-500) !important;
}

/* Tab styles */
[data-theme="dark"] .tab-link {
    color: var(--text-secondary);
}

[data-theme="dark"] .tab-link:hover {
    background-color: var(--gray-700) !important;
}

[data-theme="dark"] .tab-link.active {
    border-bottom-color: var(--primary-500) !important;
    color: var(--text-primary);
}

[data-theme="dark"] .tabs {
    border-bottom-color: var(--border-color) !important;
}

/* Task card launch styles */
[data-theme="dark"] .task-card-launch {
    background: var(--card-bg) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .task-card-launch:hover {
    border-color: var(--primary-500) !important;
}

[data-theme="dark"] .launch-content h4 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .launch-content p {
    color: var(--text-secondary) !important;
}

/* Hint and info messages */
[data-theme="dark"] .hint {
    background: var(--gray-700) !important;
    color: var(--text-secondary) !important;
    border-left-color: var(--primary-500) !important;
}

/* Tooltip styles */
[data-theme="dark"] .tooltip-text {
    background-color: var(--gray-700) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .tooltip-icon {
    color: var(--primary-400) !important;
}

/* Log viewer */
[data-theme="dark"] .log-viewer {
    background: var(--gray-900) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

/* Toolbar */
[data-theme="dark"] .toolbar input {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Progress panel */
[data-theme="dark"] .progress-panel,
[data-theme="dark"] .collection-form,
[data-theme="dark"] .trigger-form {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

/* Custom confirm dialog - compact and auto-sizing */
.modal-content.confirm-dialog {
    width: clamp(280px, 90vw, 420px);
    padding: 1.25rem 1.5rem !important;
    margin: 0;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-self: center;
}

.confirm-dialog h3 {
    margin: 0 !important;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.confirm-dialog p {
    margin: 0 !important;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.confirm-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 0.25rem;
}

.confirm-buttons .btn {
    min-width: 80px;
    padding: 0.5rem 1rem;
}

/* ===================================
   PHASE 2: Enhanced UX Features
   =================================== */

/* Loading Skeleton Screens */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 2000px 100%;
    animation: shimmer 2s infinite linear;
    border-radius: 4px;
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-800) 25%,
        var(--gray-700) 50%,
        var(--gray-800) 75%
    );
}

.skeleton-table {
    width: 100%;
}

.skeleton-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.skeleton-cell {
    height: 20px;
    flex: 1;
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 2000px 100%;
    animation: shimmer 2s infinite linear;
    border-radius: 4px;
}

[data-theme="dark"] .skeleton-cell {
    background: linear-gradient(
        90deg,
        var(--gray-800) 25%,
        var(--gray-700) 50%,
        var(--gray-800) 75%
    );
}

.skeleton-card {
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-text {
    height: 16px;
    width: 100%;
    margin-bottom: 0.75rem;
}

.skeleton-text:last-child {
    width: 80%;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 400px;
}

.toast {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    min-width: 300px;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid var(--primary-color);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
}

.toast-message {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.toast-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

[data-theme="dark"] .toast-close:hover {
    background: var(--gray-700);
}

/* Toast Types */
.toast-success {
    border-left-color: var(--success-500);
}

.toast-success .toast-icon {
    background: #d1fae5;
    color: var(--success-600);
}

[data-theme="dark"] .toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-500);
}

.toast-error {
    border-left-color: var(--error-500);
}

.toast-error .toast-icon {
    background: #fee2e2;
    color: var(--error-600);
}

[data-theme="dark"] .toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error-500);
}

.toast-warning {
    border-left-color: var(--warning-500);
}

.toast-warning .toast-icon {
    background: #fef3c7;
    color: var(--warning-600);
}

[data-theme="dark"] .toast-warning .toast-icon {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-500);
}

.toast-info {
    border-left-color: var(--info-500);
}

.toast-info .toast-icon {
    background: #cffafe;
    color: #0891b2;
}

[data-theme="dark"] .toast-info .toast-icon {
    background: rgba(6, 182, 212, 0.2);
    color: var(--info-500);
}

/* Enhanced Transitions & Animations */
/* Smooth transitions for all interactive elements */
.btn, .card, .stat-card, .action-card, .nav-link, .tab-link {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Card hover effects with subtle lift */
.card:hover, .stat-card:hover, .action-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .card:hover,
[data-theme="dark"] .stat-card:hover,
[data-theme="dark"] .action-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Button press animation */
.btn:active {
    transform: scale(0.98);
    transition: transform 0.1s;
}

/* Focus animations */
input:focus, textarea:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Page transition fade-in */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* Stagger animation for cards */
.stat-card, .action-card {
    animation: fadeIn 0.4s ease-out backwards;
}

.stat-card:nth-child(1), .action-card:nth-child(1) {
    animation-delay: 0.05s;
}

.stat-card:nth-child(2), .action-card:nth-child(2) {
    animation-delay: 0.1s;
}

.stat-card:nth-child(3), .action-card:nth-child(3) {
    animation-delay: 0.15s;
}

.stat-card:nth-child(4), .action-card:nth-child(4) {
    animation-delay: 0.2s;
}

/* Modal animations */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-content {
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Backdrop blur effect */
.modal {
    backdrop-filter: blur(4px);
    transition: backdrop-filter 0.3s ease;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Loading spinner */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

[data-theme="dark"] .spinner {
    border-color: var(--gray-700);
    border-top-color: var(--primary-500);
}

/* Pulse animation for loading states */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===================================
   PHASE 3: Component Upgrades
   =================================== */

/* 3.1 Advanced Tables */
/* Enhanced table with sorting, selection, and export */
.data-table-wrapper {
    width: 100%;
    overflow-x: auto;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead {
    background: var(--gray-100);
    position: sticky;
    top: 0;
    z-index: 10;
}

[data-theme="dark"] .data-table thead {
    background: var(--gray-700);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    position: relative;
    white-space: nowrap;
}

/* Column resize handle */
.data-table th .col-resizer {
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 100%;
    cursor: col-resize;
    user-select: none;
}

.data-table th .col-resizer::after {
    content: '';
    position: absolute;
    top: 20%;
    right: 3px;
    width: 2px;
    height: 60%;
    background: var(--gray-300);
    opacity: 0.6;
}

[data-theme="dark"] .data-table th .col-resizer::after {
    background: var(--gray-600);
}

.data-table th:hover {
    background: var(--gray-200);
}

[data-theme="dark"] .data-table th:hover {
    background: var(--gray-600);
}

/* Sortable column indicator */
.data-table th.sortable::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 0.5rem;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--gray-400);
    opacity: 0.3;
}

.data-table th.sortable:hover::after {
    opacity: 0.6;
}

.data-table th.sort-asc::after {
    border-top: none;
    border-bottom: 4px solid var(--primary-color);
    opacity: 1;
}

.data-table th.sort-desc::after {
    border-top: 4px solid var(--primary-color);
    opacity: 1;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

[data-theme="dark"] .data-table tbody tr:hover {
    background: var(--gray-700);
}

.data-table tbody tr.selected {
    background: rgba(37, 99, 235, 0.1);
}

[data-theme="dark"] .data-table tbody tr.selected {
    background: rgba(59, 130, 246, 0.15);
}

.data-table td {
    padding: 1rem;
    color: var(--text-secondary);
}

/* Inline editable cells */
.data-table td.cell-editable {
    cursor: text;
    background: rgba(59, 130, 246, 0.05);
}

.data-table td.cell-editable:focus {
    outline: 2px solid rgba(37, 99, 235, 0.4);
    outline-offset: -2px;
    background: rgba(59, 130, 246, 0.12);
}

/* Row selection checkbox */
.data-table .row-select {
    width: 40px;
    text-align: center;
}

.data-table .row-select input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Table toolbar */
.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    gap: 1rem;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    border-radius: 8px 8px 0 0;
}

.table-toolbar-left,
.table-toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.table-toolbar .selected-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Export button */
.btn-export {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-export:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-export {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

[data-theme="dark"] .btn-export:hover {
    background: var(--gray-600);
}

/* Delete button */
/* Delete button - normal gray color like export */
.btn-delete {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-delete:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
}

[data-theme="dark"] .btn-delete {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

[data-theme="dark"] .btn-delete:hover {
    background: var(--gray-600);
}

/* Column resizer */
.column-resizer {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    cursor: col-resize;
    user-select: none;
}

.column-resizer:hover {
    background: var(--primary-color);
}

/* 3.2 Enhanced Modal System */
/* Modal size variants */
.modal-content.modal-sm {
    max-width: 400px;
}

.modal-content.modal-md {
    max-width: 600px;
    padding: 1.5rem;
}

.modal-content.modal-lg {
    max-width: 900px;
    padding: 1.5rem;
}

.modal-content.modal-xl {
    max-width: 1200px;
}

.modal-content.modal-fullscreen {
    max-width: 95vw;
    max-height: 95vh;
    width: 95vw;
    height: 95vh;
}

/* Enhanced modal backdrop with blur */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    z-index: 999;
    display: none;
    animation: fadeIn 0.2s ease-out;
}

.modal-backdrop.show {
    display: block;
}

/* Modal header */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.modal-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Modal footer */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
}

/* Enhanced modal close button */
.modal .close {
    background: var(--gray-100);
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal .close:hover {
    background: var(--gray-200);
    transform: scale(1.1);
}

[data-theme="dark"] .modal .close {
    background: var(--gray-700);
}

[data-theme="dark"] .modal .close:hover {
    background: var(--gray-600);
}

/* 3.3 Advanced Search Enhancement */
/* Search autocomplete container */
.search-autocomplete {
    position: relative;
    width: 100%;
}

.search-autocomplete input {
    width: 100%;
    padding-right: 2.5rem;
}

.search-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.25rem;
    line-height: 1;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

.search-clear:hover {
    opacity: 1;
}

/* Autocomplete dropdown */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.autocomplete-dropdown.show {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

.autocomplete-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: background-color 0.15s ease;
    border-bottom: 1px solid var(--border-color);
}

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

.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--gray-50);
}

[data-theme="dark"] .autocomplete-item:hover,
[data-theme="dark"] .autocomplete-item.active {
    background: var(--gray-700);
}

.autocomplete-icon {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.autocomplete-text {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.autocomplete-main {
    color: var(--text-primary);
    font-weight: 500;
}

.autocomplete-sub {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Search history section */
.search-history {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.search-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.search-history-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 600;
}

.search-history-clear {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 0;
}

.search-history-clear:hover {
    text-decoration: underline;
}

/* Advanced search filters panel */
.search-filters-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1rem;
    display: none;
}

.search-filters-panel.show {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.search-filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.search-filters-header h4 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Filter tags */
.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.filter-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: 16px;
    font-size: 0.875rem;
}

[data-theme="dark"] .filter-tag {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-400);
}

.filter-tag-remove {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 0;
    font-size: 1.125rem;
    line-height: 1;
    opacity: 0.7;
}

.filter-tag-remove:hover {
    opacity: 1;
}

/* Search suggestions */
.search-suggestions {
    padding: 0.75rem 1rem;
}

.search-suggestion-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.search-suggestion-item:hover {
    background: var(--gray-50);
}

[data-theme="dark"] .search-suggestion-item:hover {
    background: var(--gray-700);
}

.search-suggestion-icon {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

/* Keyboard navigation hint */
.keyboard-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-50);
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

[data-theme="dark"] .keyboard-hint {
    background: var(--gray-800);
}

/* Style both .kbd class and kbd element */
.kbd, kbd {
    display: inline-block;
    padding: 0.125rem 0.375rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Loading indicator for search */
.search-loading {
    position: absolute;
    right: 2.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.search-loading .spinner {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .data-table-wrapper {
        border-radius: 0;
    }
    
    .table-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .table-toolbar-left,
    .table-toolbar-right {
        justify-content: space-between;
    }
    
    .modal-content.modal-lg,
    .modal-content.modal-xl {
        max-width: 95vw;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
}