/*
 * RAG Console — Custom Styles
 * Extends Swiss Atlas V4 design system
 * Dark-first, fully responsive
 */

/* ========================================
   RAG Console CSS Variables
   ======================================== */
:root {
    --rag-sidebar-width: 260px;
    --rag-accent: var(--indigo-600, #4F46E5);
    --rag-accent-hover: var(--indigo-700, #4338CA);
    --rag-accent-light: rgba(79, 70, 229, 0.1);
    --rag-accent-text: var(--color-white, #ffffff);
    --rag-surface: var(--bg-surface, #ffffff);
    --rag-surface-alt: var(--bg-surface-alt, #f8fafc);
    --rag-page-bg: var(--bg-page, #ffffff);
    --rag-text: var(--text-main, #0f172a);
    --rag-text-secondary: var(--text-secondary, #475569);
    --rag-text-muted: var(--text-muted, #94a3b8);
    --rag-border: var(--border-subtle, #e2e8f0);
    --rag-border-strong: var(--border-strong, #cbd5e1);
    --rag-shadow: var(--shadow-md, 0 4px 6px -1px rgb(0 0 0 / 0.1));
    --rag-radius: 0.75rem;
    --rag-radius-lg: 1rem;
    --rag-transition: 0.2s ease;
}

[data-theme="dark"] {
    --rag-accent: var(--indigo-400, #818cf8);
    --rag-accent-hover: var(--indigo-500, #6366f1);
    --rag-accent-light: rgba(129, 140, 248, 0.12);
    --rag-accent-text: var(--slate-950, #020617);
    --rag-surface: var(--bg-surface, #0f172a);
    --rag-surface-alt: var(--bg-surface-alt, #1e293b);
    --rag-page-bg: var(--bg-page, #020617);
    --rag-text: var(--text-main, #f8fafc);
    --rag-text-secondary: var(--text-secondary, #cbd5e1);
    --rag-text-muted: var(--text-muted, #64748b);
    --rag-border: var(--border-subtle, #1e293b);
    --rag-border-strong: var(--border-strong, #334155);
    --rag-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3);
}

/* ========================================
   Reset / Base
   ======================================== */
[x-cloak] { display: none; }

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--rag-page-bg);
    color: var(--rag-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   Layout
   ======================================== */
.rag-layout {
    display: flex;
    min-height: 100vh;
}

.rag-sidebar {
    width: var(--rag-sidebar-width);
    background: var(--rag-surface);
    border-right: 1px solid var(--rag-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 40;
    transition: transform var(--rag-transition);
}

.rag-sidebar-overlay {
    display: none;
}

.rag-sidebar-close {
    display: none;
}

.rag-main {
    flex: 1;
    margin-left: var(--rag-sidebar-width);
    padding: 2rem;
    min-height: 100vh;
    overflow-y: auto;
}

.rag-mobile-header {
    display: none;
}

/* ========================================
   Sidebar
   ======================================== */
.rag-sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--rag-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rag-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rag-logo-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--rag-radius);
    background: linear-gradient(135deg, var(--rag-accent), #a78bfa);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1rem;
    flex-shrink: 0;
}

.rag-logo-icon--large {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.5rem;
    border-radius: 1rem;
}

.rag-logo-text {
    font-family: 'Epilogue', 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--rag-text);
}

.rag-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.rag-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    border-radius: var(--rag-radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rag-text-secondary);
    text-decoration: none;
    transition: all var(--rag-transition);
}

.rag-nav-link:hover {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-nav-link.active {
    background: var(--rag-accent);
    color: #ffffff;
    font-weight: 600;
}

[data-theme="dark"] .rag-nav-link.active {
    color: var(--rag-accent-text);
}

.rag-nav-link i {
    width: 1.25rem;
    text-align: center;
    font-size: 0.9375rem;
}

.rag-sidebar-footer {
    padding: 0.75rem;
    border-top: 1px solid var(--rag-border);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.rag-theme-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    border-radius: var(--rag-radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rag-text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: all var(--rag-transition);
}

.rag-theme-toggle:hover {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-nav-logout {
    color: var(--rag-text-muted);
}

.rag-nav-logout:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}

/* ========================================
   Page Header
   ======================================== */
.rag-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.rag-page-title {
    font-family: 'Epilogue', 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0 0 0.25rem;
    line-height: 1.2;
}

.rag-page-subtitle {
    font-size: 0.875rem;
    color: var(--rag-text-muted);
    margin: 0;
}

.rag-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ========================================
   Command Center
   ======================================== */
.rag-command-center {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(16, 185, 129, 0.07));
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    transition: border-color var(--rag-transition), box-shadow var(--rag-transition), background var(--rag-transition);
}

[data-theme="dark"] .rag-command-center {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.1), rgba(20, 184, 166, 0.08));
}

.rag-command-center--drag {
    border-color: var(--rag-accent);
    box-shadow: 0 0 0 3px var(--rag-accent-light);
}

.rag-command-topline {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.rag-command-kicker {
    margin: 0 0 0.2rem;
    color: var(--rag-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
}

.rag-command-title {
    margin: 0;
    color: var(--rag-text);
    font-size: 1.2rem;
    line-height: 1.25;
}

.rag-command-trust {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.rag-command-trust span,
.rag-command-inferred {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--rag-text-secondary);
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: 999px;
    padding: 0.3rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 600;
}

.rag-command-shell {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    overflow: hidden;
}

.rag-command-input {
    width: 100%;
    min-height: 7rem;
    padding: 1rem;
    resize: vertical;
    color: var(--rag-text);
    background: transparent;
    border: 0;
    outline: none;
    font: inherit;
    font-size: 1rem;
    line-height: 1.55;
}

.rag-command-input::placeholder {
    color: var(--rag-text-muted);
}

.rag-command-file {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0.75rem 0.75rem;
    padding: 0.55rem 0.75rem;
    background: var(--rag-surface-alt);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    font-size: 0.82rem;
}

.rag-command-file small {
    color: var(--rag-text-muted);
    margin-left: auto;
}

.rag-command-footer {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--rag-border);
    padding: 0.75rem;
}

.rag-command-context {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.rag-command-context-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--rag-text-muted);
    text-transform: uppercase;
    letter-spacing: 0;
}

.rag-command-project-select {
    width: min(20rem, 36vw);
}

.rag-command-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.rag-command-status {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.85rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--rag-radius);
    font-size: 0.82rem;
    border: 1px solid var(--rag-border);
    background: var(--rag-surface);
}

.rag-command-status--success {
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.25);
}

.rag-command-status--error {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.25);
}

.rag-command-shortcuts {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.85rem;
}

.rag-command-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--rag-border);
    background: var(--rag-surface);
    color: var(--rag-text-secondary);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--rag-transition), color var(--rag-transition), border-color var(--rag-transition);
}

.rag-command-chip:hover {
    border-color: var(--rag-accent);
    color: var(--rag-accent);
    background: var(--rag-accent-light);
}

/* Breadcrumb */
.rag-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
}

.rag-breadcrumb-link {
    color: var(--rag-text-muted);
    text-decoration: none;
    transition: color var(--rag-transition);
}

.rag-breadcrumb-link:hover {
    color: var(--rag-accent);
}

.rag-breadcrumb-sep {
    color: var(--rag-text-muted);
    font-size: 0.625rem;
}

.rag-breadcrumb-current {
    color: var(--rag-text);
    font-weight: 600;
}

/* ========================================
   Stats Bar
   ======================================== */
.rag-stats-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.rag-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rag-text);
}

.rag-stat-pill i {
    color: var(--rag-accent);
    font-size: 0.8125rem;
}

.rag-stat-pill-label {
    font-weight: 400;
    color: var(--rag-text-muted);
}

/* ========================================
   Search Bar
   ======================================== */
.rag-search-bar {
    margin-bottom: 1.5rem;
}

.rag-search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.rag-search-input-wrapper--grow {
    flex: 1;
}

.rag-search-icon {
    position: absolute;
    left: 0.875rem;
    color: var(--rag-text-muted);
    font-size: 0.875rem;
    pointer-events: none;
}

.rag-search-input {
    width: 100%;
    padding: 0.625rem 2.5rem 0.625rem 2.5rem;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    color: var(--rag-text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color var(--rag-transition), box-shadow var(--rag-transition);
}

.rag-search-input::placeholder {
    color: var(--rag-text-muted);
}

.rag-search-input:focus {
    outline: none;
    border-color: var(--rag-accent);
    box-shadow: 0 0 0 3px var(--rag-accent-light);
}

.rag-search-clear {
    position: absolute;
    right: 0.625rem;
    background: none;
    border: none;
    color: var(--rag-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rag-search-clear:hover {
    color: var(--rag-text);
}

/* ========================================
   Project Grid
   ======================================== */
.rag-project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.rag-project-card {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    padding: 1.5rem;
    transition: all var(--rag-transition);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rag-project-card:hover {
    border-color: var(--rag-accent);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

[data-theme="dark"] .rag-project-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.rag-project-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rag-project-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--rag-radius);
    background: var(--rag-accent-light);
    color: var(--rag-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.875rem;
}

.rag-project-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0;
    word-break: break-word;
}

.rag-project-desc {
    font-size: 0.8125rem;
    color: var(--rag-text-secondary);
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rag-project-stats {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.rag-stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--rag-text-muted);
}

.rag-stat-badge i {
    font-size: 0.6875rem;
}

.rag-project-meta {
    font-size: 0.75rem;
    color: var(--rag-text-muted);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.rag-project-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--rag-border);
}

/* ========================================
   Buttons
   ======================================== */
.rag-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--rag-radius);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--rag-transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.rag-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.rag-btn--primary {
    background: var(--rag-accent);
    color: #ffffff;
    border-color: var(--rag-accent);
}

[data-theme="dark"] .rag-btn--primary {
    color: var(--rag-accent-text);
}

.rag-btn--primary:hover:not(:disabled) {
    background: var(--rag-accent-hover);
    border-color: var(--rag-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.rag-btn--secondary {
    background: var(--rag-surface);
    color: var(--rag-text);
    border-color: var(--rag-border);
}

.rag-btn--secondary:hover:not(:disabled) {
    border-color: var(--rag-accent);
    color: var(--rag-accent);
    background: var(--rag-accent-light);
}

.rag-btn--ghost {
    background: transparent;
    color: var(--rag-text-secondary);
    border-color: transparent;
    padding: 0.375rem 0.75rem;
}

.rag-btn--ghost:hover:not(:disabled) {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-btn--ghost.active {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-btn--danger {
    background: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

.rag-btn--danger:hover:not(:disabled) {
    background: #dc2626;
    border-color: #dc2626;
}

.rag-btn--sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.rag-btn--xs {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.rag-btn--full {
    width: 100%;
}

.rag-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--rag-radius);
    border: 1px solid transparent;
    background: transparent;
    color: var(--rag-text-muted);
    cursor: pointer;
    transition: background var(--rag-transition), color var(--rag-transition);
}

.rag-btn-icon:hover {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

/* ========================================
   Forms
   ======================================== */
.rag-form-group {
    margin-bottom: 1rem;
}

.rag-form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--rag-text);
    margin-bottom: 0.375rem;
}

.rag-form-input,
.rag-form-select,
.rag-form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    color: var(--rag-text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color var(--rag-transition), box-shadow var(--rag-transition);
}

.rag-form-input::placeholder,
.rag-form-textarea::placeholder {
    color: var(--rag-text-muted);
}

.rag-form-input:focus,
.rag-form-select:focus,
.rag-form-textarea:focus {
    outline: none;
    border-color: var(--rag-accent);
    box-shadow: 0 0 0 3px var(--rag-accent-light);
}

.rag-form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.rag-form-select--grow {
    flex: 1;
}

.rag-form-textarea {
    resize: vertical;
    min-height: 8rem;
    line-height: 1.6;
}

.rag-form-input--icon {
    padding-left: 2.5rem;
}

.rag-input-wrapper {
    position: relative;
}

.rag-input-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rag-text-muted);
    font-size: 0.875rem;
}

/* ========================================
   Badges
   ======================================== */
.rag-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1875rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 600;
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-badge--info {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

[data-theme="dark"] .rag-badge--info {
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
}

.rag-badge--sm {
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
}

/* ========================================
   Alerts
   ======================================== */
.rag-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--rag-radius);
    font-size: 0.8125rem;
    margin-bottom: 1rem;
    border: 1px solid;
}

.rag-alert--error {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.25);
    color: #ef4444;
}

[data-theme="dark"] .rag-alert--error {
    background: rgba(248, 113, 113, 0.1);
    color: #f87171;
}

.rag-alert--success {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
    color: #10b981;
}

[data-theme="dark"] .rag-alert--success {
    background: rgba(52, 211, 153, 0.1);
    color: #34d399;
}

.rag-alert--info {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.25);
    color: #3b82f6;
}

[data-theme="dark"] .rag-alert--info {
    background: rgba(96, 165, 250, 0.1);
    color: #60a5fa;
}

.rag-alert-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    opacity: 0.6;
    padding: 0;
}

.rag-alert-close:hover {
    opacity: 1;
}

/* ========================================
   Toast Notifications
   ======================================== */
.rag-toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.rag-toast {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    border-radius: var(--rag-radius);
    font-size: 0.8125rem;
    font-weight: 500;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    min-width: 280px;
    max-width: 400px;
}

.rag-toast--success {
    border-color: rgba(16, 185, 129, 0.4);
}

.rag-toast--success i { color: #10b981; }

.rag-toast--error {
    border-color: rgba(239, 68, 68, 0.4);
}

.rag-toast--error i { color: #ef4444; }

.rag-toast--info {
    border-color: rgba(59, 130, 246, 0.4);
}

.rag-toast--info i { color: #3b82f6; }

.rag-toast-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--rag-text-muted);
    cursor: pointer;
    padding: 0.125rem;
}

/* ========================================
   Skeleton Loading
   ======================================== */
.rag-skeleton {
    background: linear-gradient(
        90deg,
        var(--rag-surface-alt) 25%,
        var(--rag-surface) 50%,
        var(--rag-surface-alt) 75%
    );
    background-size: 200% 100%;
    animation: rag-shimmer 1.5s infinite;
    border-radius: 0.5rem;
}

@keyframes rag-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.rag-skeleton--title {
    height: 1.25rem;
    width: 60%;
    margin-bottom: 0.75rem;
}

.rag-skeleton--text {
    height: 0.875rem;
    width: 100%;
    margin-bottom: 0.5rem;
}

.rag-skeleton--short {
    width: 40%;
}

.rag-skeleton--badge {
    height: 1.5rem;
    width: 5rem;
    border-radius: 9999px;
}

.rag-skeleton-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.rag-skeleton-card {
    padding: 1.5rem;
}

.rag-skeleton-row-full {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--rag-border);
}

/* ========================================
   Empty State
   ======================================== */
.rag-empty-state {
    text-align: center;
    padding: 3rem 2rem;
    grid-column: 1 / -1;
}

.rag-empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--rag-text);
    margin: 0.75rem 0 0.5rem;
}

.rag-empty-state p {
    color: var(--rag-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.rag-empty-icon {
    font-size: 2.5rem;
    color: var(--rag-text-muted);
    opacity: 0.5;
}

.rag-empty-state--compact {
    padding: 2rem 1rem;
}

/* ========================================
   Explorer — Toolbar
   ======================================== */
.rag-explorer-toolbar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.rag-search-mode-selector {
    display: flex;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    overflow: hidden;
}

.rag-mode-btn {
    padding: 0.5rem 0.75rem;
    background: none;
    border: none;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--rag-text-secondary);
    cursor: pointer;
    transition: all var(--rag-transition);
    border-right: 1px solid var(--rag-border);
}

.rag-mode-btn:last-child {
    border-right: none;
}

.rag-mode-btn:hover {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-mode-btn.active {
    background: var(--rag-accent);
    color: #ffffff;
}

[data-theme="dark"] .rag-mode-btn.active {
    color: var(--rag-accent-text);
}

/* ========================================
   Explorer — Search Results
   ======================================== */
.rag-search-results {
    margin-bottom: 1.5rem;
}

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

.rag-search-results-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--rag-text);
    margin: 0;
}

.rag-search-result-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rag-search-result-item {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    padding: 1rem;
    transition: border-color var(--rag-transition);
}

.rag-search-result-item--clickable {
    cursor: pointer;
}

.rag-search-result-item:hover {
    border-color: var(--rag-accent);
}

.rag-search-result-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.625rem;
}

.rag-search-result-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rag-text);
}

.rag-search-result-name span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rag-search-score {
    flex-shrink: 0;
    max-width: 24rem;
    text-align: right;
    font-size: 0.75rem;
    line-height: 1.4;
}

.rag-search-result-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.rag-search-result-text {
    font-size: 0.8125rem;
    color: var(--rag-text-secondary);
    line-height: 1.6;
    margin: 0;
}

.rag-search-result-title {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--rag-text-muted);
    margin-top: 0.5rem;
}

.rag-search-result-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* ========================================
   Explorer — Document Table
   ======================================== */
.rag-doc-table-wrap {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    overflow: hidden;
}

.rag-doc-table-header {
    display: flex;
    padding: 0.75rem 1rem;
    background: var(--rag-surface-alt);
    border-bottom: 1px solid var(--rag-border);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--rag-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rag-doc-row {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--rag-border);
    cursor: pointer;
    transition: background var(--rag-transition);
}

.rag-doc-row:last-child {
    border-bottom: none;
}

.rag-doc-row:hover {
    background: var(--rag-accent-light);
}

.rag-doc-col {
    font-size: 0.8125rem;
}

.rag-doc-col--name {
    flex: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--rag-text);
    min-width: 0;
}

.rag-doc-col--name span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rag-doc-file-icon {
    color: var(--rag-accent);
    flex-shrink: 0;
}

.rag-doc-col--source {
    flex: 0.75;
}

.rag-doc-col--date {
    flex: 1;
    color: var(--rag-text-muted);
}

.rag-doc-col--size {
    flex: 0.7;
    color: var(--rag-text-muted);
    white-space: nowrap;
}

.rag-doc-col--chunks {
    flex: 0.5;
    text-align: center;
    color: var(--rag-text-muted);
}

.rag-doc-col--actions {
    flex: 0.75;
    display: flex;
    gap: 0.375rem;
    justify-content: flex-end;
}

/* Sortable column headers */
.rag-doc-sort {
    background: none;
    border: 0;
    padding: 0;
    margin: 0;
    font: inherit;
    color: inherit;
    text-transform: inherit;
    letter-spacing: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    text-align: left;
    transition: color var(--rag-transition);
}

.rag-doc-sort:hover {
    color: var(--rag-text);
}

.rag-doc-sort--active {
    color: var(--rag-accent);
}

.rag-doc-sort-icon {
    font-size: 0.7em;
    opacity: 0.35;
}

.rag-doc-sort-icon--active {
    opacity: 1;
}

.rag-btn--ghost.rag-btn--danger:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* ========================================
   Pagination
   ======================================== */
.rag-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.rag-pagination-info {
    font-size: 0.8125rem;
    color: var(--rag-text-muted);
}

/* ========================================
   Modal
   ======================================== */
.rag-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 2rem;
}

[data-theme="dark"] .rag-modal-overlay {
    background: rgba(0, 0, 0, 0.7);
}

.rag-modal {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 640px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.rag-modal--sm {
    max-width: 420px;
}

.rag-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--rag-border);
}

.rag-modal-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0;
}

.rag-modal-close {
    background: none;
    border: none;
    color: var(--rag-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1rem;
    transition: color var(--rag-transition);
}

.rag-modal-close:hover {
    color: var(--rag-text);
}

.rag-modal-body {
    padding: 1.25rem;
    overflow-y: auto;
    flex: 1;
    color: var(--rag-text);
    font-size: 0.875rem;
}

.rag-modal-body p {
    margin: 0 0 0.5rem;
}

.rag-modal-footer {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--rag-border);
}

/* Preview content */
.rag-preview-loading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--rag-text-muted);
    padding: 2rem 0;
    justify-content: center;
}

.rag-preview-meta {
    display: flex;
    gap: 1.5rem;
    padding: 0.75rem 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--rag-border);
    font-size: 0.8125rem;
}

.rag-preview-meta-item {
    color: var(--rag-text-secondary);
}

.rag-preview-meta-item strong {
    color: var(--rag-text);
}

.rag-preview-content {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--rag-text);
}

.rag-preview-content h1,
.rag-preview-content h2,
.rag-preview-content h3 {
    margin: 1rem 0 0.5rem;
}

.rag-preview-content code {
    background: var(--rag-surface-alt);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.8125rem;
}

.rag-preview-content pre {
    background: var(--rag-surface-alt);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.8125rem;
}

.rag-preview-content pre code {
    background: none;
    padding: 0;
}

/* ========================================
   Spinner
   ======================================== */
.rag-spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--rag-border);
    border-top-color: var(--rag-accent);
    border-radius: 50%;
    animation: rag-spin 0.6s linear infinite;
}

@keyframes rag-spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Text Helpers
   ======================================== */
.rag-text-muted {
    color: var(--rag-text-muted);
}

.rag-text-danger {
    color: #ef4444;
    font-size: 0.8125rem;
}

[data-theme="dark"] .rag-text-danger {
    color: #f87171;
}

/* ========================================
   Chat
   ======================================== */
.rag-chat-wrapper {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 4rem);
    margin: -2rem;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.rag-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.5rem;
    border-bottom: 1px solid var(--rag-border);
    background: var(--rag-surface);
    flex-shrink: 0;
    gap: 1rem;
}

.rag-chat-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.rag-chat-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rag-chat-title i {
    color: var(--rag-accent);
}

.rag-chat-header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.rag-project-selector select {
    min-width: 180px;
}

/* Chat Container (two-panel) */
.rag-chat-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.rag-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Welcome screen */
.rag-chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    text-align: center;
    padding: 2rem;
}

.rag-chat-welcome-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: var(--rag-accent-light);
    color: var(--rag-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.rag-chat-welcome h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0 0 0.5rem;
}

.rag-chat-welcome p {
    color: var(--rag-text-muted);
    font-size: 0.875rem;
    margin: 0 0 1.5rem;
}

.rag-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.rag-suggestion-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--rag-text-secondary);
    cursor: pointer;
    transition: all var(--rag-transition);
}

.rag-suggestion-chip:hover {
    border-color: var(--rag-accent);
    color: var(--rag-accent);
    background: var(--rag-accent-light);
}

/* Messages */
.rag-message {
    display: flex;
    max-width: 85%;
}

.rag-message--user {
    align-self: flex-end;
    justify-content: flex-end;
}

.rag-message--assistant {
    align-self: flex-start;
}

.rag-message-bubble {
    border-radius: var(--rag-radius-lg);
    padding: 0.875rem 1.125rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.rag-message-bubble--user {
    background: var(--rag-accent);
    color: #ffffff;
    border-bottom-right-radius: 0.25rem;
}

[data-theme="dark"] .rag-message-bubble--user {
    color: var(--rag-accent-text);
}

.rag-message-bubble--assistant {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-bottom-left-radius: 0.25rem;
    color: var(--rag-text);
    max-width: 100%;
}

.rag-message-content {
    overflow-wrap: break-word;
    word-break: break-word;
}

.rag-message-content h1,
.rag-message-content h2,
.rag-message-content h3,
.rag-message-content h4 {
    margin: 0.75rem 0 0.375rem;
    font-size: inherit;
}

.rag-message-content h1 { font-size: 1.125rem; }
.rag-message-content h2 { font-size: 1rem; }
.rag-message-content h3 { font-size: 0.9375rem; }

.rag-message-content p {
    margin: 0.375rem 0;
}

.rag-message-content code {
    background: var(--rag-surface-alt);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.8125rem;
}

.rag-message-content pre {
    background: var(--rag-surface-alt);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    padding: 0.75rem;
    overflow-x: auto;
    margin: 0.5rem 0;
}

.rag-message-content pre code {
    background: none;
    padding: 0;
}

.rag-message-content ul,
.rag-message-content ol {
    margin: 0.375rem 0;
    padding-left: 1.5rem;
}

/* Reasoning steps (inline in messages) */
.rag-message-steps {
    margin-top: 0.75rem;
    border-top: 1px solid var(--rag-border);
    padding-top: 0.5rem;
}

.rag-steps-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--rag-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0;
    font-family: inherit;
    transition: color var(--rag-transition);
}

.rag-steps-toggle:hover {
    color: var(--rag-accent);
}

.rag-step-item {
    padding: 0.5rem;
    margin-top: 0.375rem;
    background: var(--rag-surface-alt);
    border-radius: 0.5rem;
    border-left: 3px solid var(--rag-border);
}

.rag-step--thinking { border-left-color: #f59e0b; }
.rag-step--tool_call { border-left-color: var(--rag-accent); }
.rag-step--tool_result { border-left-color: #10b981; }
.rag-step--error { border-left-color: #ef4444; }

.rag-step-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rag-step-badge {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-step--thinking .rag-step-badge { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.rag-step--tool_result .rag-step-badge { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.rag-step--error .rag-step-badge { background: rgba(239, 68, 68, 0.12); color: #ef4444; }

.rag-step-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--rag-text-secondary);
}

.rag-step-detail {
    font-size: 0.6875rem;
    color: var(--rag-text-muted);
    margin-top: 0.25rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 6rem;
    overflow-y: auto;
}

/* Sources in messages */
.rag-message-sources {
    margin-top: 0.75rem;
    border-top: 1px solid var(--rag-border);
    padding-top: 0.5rem;
}

.rag-sources-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--rag-text-muted);
    margin-bottom: 0.5rem;
}

.rag-source-cards {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.rag-source-card {
    flex: 0 0 240px;
    background: var(--rag-surface-alt);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    padding: 0.625rem 0.75rem;
    font-size: 0.75rem;
    transition: border-color var(--rag-transition);
}

.rag-source-card:hover {
    border-color: var(--rag-accent);
}

.rag-source-card-title {
    font-weight: 600;
    color: var(--rag-text);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rag-source-project {
    max-width: 7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rag-source-card-snippet {
    color: var(--rag-text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.rag-source-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.375rem;
}

/* Streaming indicator */
.rag-streaming-indicator {
    margin-top: 0.5rem;
}

.rag-typing-dots {
    display: inline-flex;
    gap: 0.25rem;
    align-items: center;
}

.rag-typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--rag-text-muted);
    animation: rag-typing 1.4s infinite;
}

.rag-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.rag-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes rag-typing {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1); }
}

/* Reasoning Side Panel */
.rag-chat-reasoning {
    width: 320px;
    border-left: 1px solid var(--rag-border);
    background: var(--rag-surface);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
}

.rag-reasoning-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--rag-border);
}

.rag-reasoning-header h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rag-reasoning-header h4 i {
    color: var(--rag-accent);
}

.rag-reasoning-content {
    flex: 1;
    padding: 0.75rem;
    overflow-y: auto;
}

.rag-reasoning-step {
    display: flex;
    gap: 0.625rem;
    padding: 0.625rem;
    margin-bottom: 0.5rem;
    background: var(--rag-surface-alt);
    border-radius: var(--rag-radius);
    border-left: 3px solid var(--rag-border);
}

.rag-reasoning-step.rag-step--thinking { border-left-color: #f59e0b; }
.rag-reasoning-step.rag-step--tool_call { border-left-color: var(--rag-accent); }
.rag-reasoning-step.rag-step--tool_result { border-left-color: #10b981; }
.rag-reasoning-step.rag-step--error { border-left-color: #ef4444; }

.rag-reasoning-step-icon {
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
    margin-top: 0.125rem;
    font-size: 0.75rem;
}

.rag-step--thinking .rag-reasoning-step-icon { color: #f59e0b; }
.rag-step--tool_call .rag-reasoning-step-icon { color: var(--rag-accent); }
.rag-step--tool_result .rag-reasoning-step-icon { color: #10b981; }
.rag-step--error .rag-reasoning-step-icon { color: #ef4444; }

.rag-reasoning-step-body {
    flex: 1;
    min-width: 0;
}

.rag-reasoning-step-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--rag-text);
}

.rag-reasoning-step-detail {
    font-size: 0.6875rem;
    color: var(--rag-text-muted);
    margin-top: 0.25rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 8rem;
    overflow-y: auto;
}

.rag-reasoning-empty,
.rag-reasoning-waiting {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem 1rem;
    text-align: center;
    color: var(--rag-text-muted);
    font-size: 0.8125rem;
}

.rag-reasoning-waiting {
    flex-direction: row;
    justify-content: center;
}

/* Chat Input */
.rag-chat-input-area {
    padding: 0.75rem 1.5rem 1rem;
    border-top: 1px solid var(--rag-border);
    background: var(--rag-surface);
    flex-shrink: 0;
}

.rag-chat-wrapper--drag .rag-chat-input-area {
    box-shadow: inset 0 0 0 3px var(--rag-accent-light);
}

.rag-chat-source-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0.625rem;
    border-radius: var(--rag-radius);
    border: 1px solid var(--rag-border);
    background: var(--rag-surface-alt);
    font-size: 0.78rem;
    color: var(--rag-text-secondary);
}

.rag-chat-source-status--success {
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.25);
}

.rag-chat-source-status--error {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.25);
}

.rag-chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    background: var(--rag-surface-alt);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    padding: 0.5rem;
    transition: border-color var(--rag-transition), box-shadow var(--rag-transition);
}

.rag-chat-input-wrapper:focus-within {
    border-color: var(--rag-accent);
    box-shadow: 0 0 0 3px var(--rag-accent-light);
}

.rag-chat-attach-btn {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--rag-text-muted);
    border: 1px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--rag-transition);
    font-size: 0.875rem;
}

.rag-chat-attach-btn:hover:not(:disabled) {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-chat-attach-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.rag-chat-textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--rag-text);
    font-size: 0.875rem;
    font-family: inherit;
    resize: none;
    padding: 0.375rem 0.5rem;
    line-height: 1.5;
    max-height: 120px;
    overflow-y: auto;
}

.rag-chat-textarea::placeholder {
    color: var(--rag-text-muted);
}

.rag-chat-textarea:focus {
    outline: none;
}

.rag-chat-send-btn {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    background: var(--rag-accent);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--rag-transition);
    font-size: 0.875rem;
}

[data-theme="dark"] .rag-chat-send-btn {
    color: var(--rag-accent-text);
}

.rag-chat-send-btn:hover:not(:disabled) {
    background: var(--rag-accent-hover);
    transform: scale(1.05);
}

.rag-chat-send-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ========================================
   Upload
   ======================================== */
.rag-upload-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1.5rem;
}

.rag-upload-main {
    min-width: 0;
}

.rag-upload-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rag-upload-section {
    margin-bottom: 1.5rem;
}

.rag-upload-project-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.rag-create-project-form {
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--rag-surface-alt);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
}

/* Tabs */
.rag-upload-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    overflow: hidden;
}

.rag-tab-btn {
    flex: 1;
    padding: 0.625rem 1rem;
    background: transparent;
    border: none;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--rag-text-secondary);
    cursor: pointer;
    transition: all var(--rag-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-right: 1px solid var(--rag-border);
}

.rag-tab-btn:last-child {
    border-right: none;
}

.rag-tab-btn:hover {
    background: var(--rag-accent-light);
    color: var(--rag-accent);
}

.rag-tab-btn.active {
    background: var(--rag-accent);
    color: #ffffff;
}

[data-theme="dark"] .rag-tab-btn.active {
    color: var(--rag-accent-text);
}

/* Dropzone */
.rag-dropzone {
    border: 2px dashed var(--rag-border-strong);
    border-radius: var(--rag-radius-lg);
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--rag-transition);
    background: var(--rag-surface);
}

.rag-dropzone:hover,
.rag-dropzone--active {
    border-color: var(--rag-accent);
    background: var(--rag-accent-light);
}

.rag-dropzone--has-file {
    border-style: solid;
    border-color: var(--rag-accent);
    padding: 1.25rem 1.5rem;
}

.rag-file-input-hidden {
    display: none;
}

.rag-dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.rag-dropzone-icon {
    font-size: 2.5rem;
    color: var(--rag-text-muted);
    opacity: 0.5;
}

.rag-dropzone--active .rag-dropzone-icon {
    color: var(--rag-accent);
    opacity: 1;
}

.rag-dropzone-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rag-text-secondary);
    margin: 0;
}

.rag-dropzone-hint {
    font-size: 0.75rem;
    color: var(--rag-text-muted);
    margin: 0;
}

.rag-dropzone-file {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rag-dropzone-file-icon {
    font-size: 1.5rem;
    color: var(--rag-accent);
}

.rag-dropzone-file-info {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.rag-dropzone-filename {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rag-text);
}

.rag-dropzone-filesize {
    font-size: 0.75rem;
    color: var(--rag-text-muted);
}

/* Progress Bar */
.rag-upload-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.rag-progress-bar {
    flex: 1;
    height: 0.5rem;
    background: var(--rag-surface-alt);
    border-radius: 9999px;
    overflow: hidden;
}

.rag-progress-fill {
    height: 100%;
    background: var(--rag-accent);
    border-radius: 9999px;
    transition: width 0.3s ease;
}

.rag-progress-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--rag-text-muted);
    min-width: 2.5rem;
    text-align: right;
}

/* Info Card */
.rag-info-card {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius);
    padding: 1rem;
}

.rag-info-card h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0 0 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rag-info-card h4 i {
    color: var(--rag-accent);
}

.rag-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.rag-info-list li {
    font-size: 0.8125rem;
    color: var(--rag-text-secondary);
    padding: 0.375rem 0;
    border-bottom: 1px solid var(--rag-border);
    line-height: 1.5;
}

.rag-info-list li:last-child {
    border-bottom: none;
}

.rag-info-detail {
    font-size: 0.8125rem;
    color: var(--rag-text-secondary);
}

.rag-info-label {
    font-weight: 600;
    color: var(--rag-text-muted);
    margin-right: 0.25rem;
}

/* ========================================
   Login
   ======================================== */
.rag-login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--rag-page-bg);
    padding: 2rem;
}

.rag-login-container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.rag-login-card {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .rag-login-card {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.rag-login-logo {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.rag-login-title {
    font-family: 'Epilogue', 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rag-text);
    margin: 0;
}

.rag-login-subtitle {
    font-size: 0.875rem;
    color: var(--rag-text-muted);
    margin: 0;
}

.rag-login-form {
    text-align: left;
}

.rag-login-form .rag-form-group {
    margin-bottom: 1.5rem;
}

.rag-login-footer {
    font-size: 0.75rem;
    color: var(--rag-text-muted);
    margin-top: 1.5rem;
}

/* ========================================
   Mobile Responsive
   ======================================== */
@media (max-width: 1024px) {
    .rag-project-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .rag-upload-layout {
        grid-template-columns: 1fr;
    }

    .rag-upload-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .rag-upload-sidebar .rag-info-card {
        flex: 1;
        min-width: 240px;
    }

    .rag-chat-reasoning {
        width: 280px;
    }
}

@media (max-width: 768px) {
    .rag-sidebar {
        transform: translateX(-100%);
        z-index: 50;
    }

    .rag-sidebar--open {
        transform: translateX(0);
    }

    .rag-sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 45;
    }

    .rag-sidebar-close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 2rem;
        height: 2rem;
        border-radius: var(--rag-radius);
        background: none;
        border: 1px solid var(--rag-border);
        color: var(--rag-text-muted);
        cursor: pointer;
    }

    .rag-main {
        margin-left: 0;
        padding: 1rem;
    }

    .rag-mobile-header {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-bottom: 1rem;
        padding: 0.5rem 0;
    }

    .rag-hamburger {
        width: 2.25rem;
        height: 2.25rem;
        border-radius: var(--rag-radius);
        background: var(--rag-surface);
        border: 1px solid var(--rag-border);
        color: var(--rag-text);
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 1rem;
    }

    .rag-mobile-title {
        font-family: 'Epilogue', 'Inter', sans-serif;
        font-weight: 700;
        font-size: 1.125rem;
        color: var(--rag-text);
    }

    .rag-project-grid {
        grid-template-columns: 1fr;
    }

    .rag-explorer-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .rag-search-mode-selector {
        justify-content: center;
    }

    .rag-search-result-header {
        flex-direction: column;
        gap: 0.375rem;
    }

    .rag-search-score {
        max-width: 100%;
        text-align: left;
    }

    .rag-doc-table-header {
        display: none;
    }

    .rag-doc-row {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .rag-doc-col--name { flex: 1 0 100%; }
    .rag-doc-col--source { flex: 1; }
    .rag-doc-col--date { flex: 1; }
    .rag-doc-col--size { flex: 0.7; }
    .rag-doc-col--chunks { flex: 0; text-align: left; }
    .rag-doc-col--actions { flex: 0; }

    /* Chat responsive */
    .rag-chat-wrapper {
        height: calc(100vh - 3rem);
        margin: -1rem;
    }

    .rag-chat-reasoning {
        display: none;
        position: fixed;
        inset: 0;
        width: 100%;
        z-index: 45;
    }

    .rag-chat-reasoning[style*="display: flex"],
    .rag-chat-reasoning:not([style*="display: none"]):not([x-cloak]) {
        display: flex;
    }

    .rag-message {
        max-width: 95%;
    }

    .rag-hide-mobile {
        display: none;
    }

    .rag-chat-header {
        padding: 0.625rem 1rem;
    }

    .rag-chat-input-area {
        padding: 0.5rem 1rem 0.75rem;
    }

    .rag-page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .rag-page-header > div {
        width: 100%;
    }

    .rag-header-actions {
        flex-wrap: wrap;
        gap: 0.375rem;
        justify-content: flex-start;
        flex-shrink: 1;
    }

    .rag-header-actions .rag-btn,
    .rag-header-actions .rag-view-toggle {
        flex: 0 0 auto;
    }

    .rag-command-center {
        padding: 1rem;
        border-radius: var(--rag-radius);
    }

    .rag-command-topline,
    .rag-command-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .rag-command-trust {
        justify-content: flex-start;
    }

    .rag-command-context {
        flex-wrap: wrap;
    }

    .rag-command-project-select {
        width: 100%;
    }

    .rag-command-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .rag-command-actions .rag-btn {
        width: 100%;
    }

    .rag-stats-bar {
        flex-wrap: wrap;
    }

    .rag-modal {
        margin: 1rem;
    }

    .rag-preview-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .rag-upload-layout {
        grid-template-columns: 1fr;
    }

    /* Chat header — wrap on narrow widths */
    .rag-chat-header {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.625rem 0.875rem;
    }

    .rag-chat-header-right {
        flex-wrap: wrap;
        gap: 0.375rem;
    }

    .rag-project-selector select,
    .rag-project-selector {
        min-width: 0;
        max-width: 160px;
    }

    /* Create-project inline form: stack on mobile */
    .rag-create-project-form .rag-form-row > div[style*="align-items"],
    .rag-create-project-form .rag-form-row > div[style*="display:flex"] {
        width: 100%;
    }
}

/* Very narrow phones (iPhone SE 375px and similar) */
@media (max-width: 480px) {
    .rag-main {
        padding: 0.75rem;
    }

    .rag-page-title {
        font-size: 1.375rem;
    }

    .rag-header-actions .rag-btn span:not(.rag-category-count):not(.rag-dropdown-count) {
        display: none;
    }

    /* Keep label visible on the primary "New" button so the affordance is obvious */
    .rag-header-actions .rag-btn--primary span {
        display: inline;
    }

    .rag-command-shortcuts {
        gap: 0.375rem;
    }

    .rag-command-chip {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
    }

    .rag-command-actions {
        gap: 0.375rem;
    }

    .rag-command-actions .rag-btn {
        font-size: 0.75rem;
        padding: 0.45rem 0.6rem;
    }

    .rag-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .rag-toolbar-left,
    .rag-toolbar-right {
        width: 100%;
        margin-left: 0;
    }

    .rag-dropdown,
    .rag-dropdown-trigger,
    .rag-search-input-wrapper {
        width: 100%;
    }

    .rag-stats-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .rag-stats-tabs button {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .rag-modal {
        margin: 0.5rem;
    }

    .rag-modal-header,
    .rag-modal-body,
    .rag-modal-footer {
        padding-left: 0.875rem;
        padding-right: 0.875rem;
    }
}

/* ========================================
   Scrollbar Styling (webkit)
   ======================================== */
.rag-chat-messages::-webkit-scrollbar,
.rag-reasoning-content::-webkit-scrollbar,
.rag-modal-body::-webkit-scrollbar {
    width: 6px;
}

.rag-chat-messages::-webkit-scrollbar-track,
.rag-reasoning-content::-webkit-scrollbar-track,
.rag-modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.rag-chat-messages::-webkit-scrollbar-thumb,
.rag-reasoning-content::-webkit-scrollbar-thumb,
.rag-modal-body::-webkit-scrollbar-thumb {
    background: var(--rag-border-strong);
    border-radius: 3px;
}

.rag-chat-messages::-webkit-scrollbar-thumb:hover,
.rag-reasoning-content::-webkit-scrollbar-thumb:hover,
.rag-modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--rag-text-muted);
}

/* ========================================
   Directory Upload — Progress & Stats
   ======================================== */
.rag-dir-progress-section {
    margin-top: 1.5rem;
}

.rag-dir-progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--rag-text-secondary);
}

.rag-dir-progress-current {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 70%;
}

.rag-dir-progress-bar-container {
    width: 100%;
    height: 12px;
    background: var(--rag-surface-alt);
    border-radius: 6px;
    overflow: hidden;
}

.rag-dir-progress-bar {
    height: 100%;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--rag-accent), #8b5cf6);
    transition: width 0.3s ease;
}

.rag-dir-progress-label {
    text-align: right;
    font-size: 0.8rem;
    margin-top: 0.25rem;
    color: var(--rag-text-muted);
}

.rag-dir-progress-stats {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--rag-text-secondary);
    flex-wrap: wrap;
}

.rag-dir-progress-stats i {
    margin-right: 0.35rem;
}

.rag-dir-details {
    margin: 0.75rem 0;
}

.rag-dir-summary {
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--rag-text-muted);
    user-select: none;
}

.rag-dir-summary:hover {
    color: var(--rag-text-secondary);
}

.rag-dir-file-list {
    max-height: 200px;
    overflow-y: auto;
    font-size: 0.8rem;
    padding-left: 1.5rem;
    margin-top: 0.5rem;
    color: var(--rag-text-muted);
}

.rag-dir-file-list li {
    margin-bottom: 0.25rem;
}

.rag-dir-result-card {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    padding: 1.5rem;
    margin-top: 1rem;
}

.rag-dir-stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 500;
}

.rag-dir-stat-badge--success {
    color: #22c55e;
}

[data-theme="dark"] .rag-dir-stat-badge--success {
    color: #4ade80;
}

.rag-dir-stat-badge--error {
    color: #ef4444;
}

[data-theme="dark"] .rag-dir-stat-badge--error {
    color: #f87171;
}

/* ========================================
   Delete Project Confirmation
   ======================================== */
.rag-delete-confirm {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid #ef4444;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 0.75rem;
}

[data-theme="dark"] .rag-delete-confirm {
    background: rgba(239, 68, 68, 0.12);
    border-color: #f87171;
}

.rag-delete-confirm--banner {
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.rag-delete-warning {
    color: #ef4444;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

[data-theme="dark"] .rag-delete-warning {
    color: #f87171;
}

.rag-delete-warning i {
    margin-right: 0.35rem;
}

.rag-delete-instruction {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: var(--rag-text-secondary, #6b7280);
}

.rag-delete-instruction code {
    background: var(--rag-bg-tertiary, #f3f4f6);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-weight: 600;
    color: #ef4444;
    font-size: 0.85rem;
}

[data-theme="dark"] .rag-delete-instruction code {
    background: var(--rag-bg-tertiary, #374151);
    color: #f87171;
}

.rag-delete-confirm .rag-form-input {
    margin-bottom: 0;
    font-size: 0.85rem;
}

.rag-delete-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.rag-btn--danger:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.rag-btn-icon--danger {
    color: var(--rag-text-muted, #9ca3af);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
    font-size: 0.85rem;
    line-height: 1;
}

.rag-btn-icon--danger:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

[data-theme="dark"] .rag-btn-icon--danger:hover {
    color: #f87171;
    background: rgba(239, 68, 68, 0.15);
}

.rag-btn--danger-outline {
    color: var(--rag-text-secondary, #6b7280);
    border: 1px solid var(--rag-border, #e5e7eb);
    background: transparent;
}

.rag-btn--danger-outline:hover {
    color: #ef4444;
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
}

[data-theme="dark"] .rag-btn--danger-outline:hover {
    color: #f87171;
    border-color: #f87171;
    background: rgba(239, 68, 68, 0.12);
}

/* ================================================================
   Category Tabs & Grouped Layout
   ================================================================ */

.rag-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.rag-category-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}

.rag-category-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    border: 1.5px solid var(--border-subtle, #334155);
    border-radius: 20px;
    background: transparent;
    color: var(--text-secondary, #94a3b8);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.rag-category-tab:hover {
    border-color: var(--text-secondary, #64748b);
    color: var(--text-main, #e2e8f0);
}

.rag-category-tab.active {
    background: var(--bg-tertiary, #1e293b);
    border-color: #6366f1;
    color: #6366f1;
}

.rag-category-count {
    background: var(--bg-tertiary, #1e293b);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 600;
}

.rag-category-tab.active .rag-category-count {
    background: rgba(99, 102, 241, 0.15);
}

.rag-search-input-wrapper--compact {
    max-width: 220px;
}

.rag-category-section {
    margin-bottom: 2rem;
}

.rag-category-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-subtle, #334155);
}

.rag-category-header i {
    font-size: 1.1rem;
}

.rag-category-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main, #e2e8f0);
    margin: 0;
}

.rag-category-header-count {
    font-size: 0.78rem;
    color: var(--text-muted, #64748b);
    margin-left: auto;
}

/* Light mode */
[data-theme="light"] .rag-category-tab {
    border-color: #e2e8f0;
    color: #64748b;
}
[data-theme="light"] .rag-category-tab:hover {
    border-color: #94a3b8;
    color: #334155;
}
[data-theme="light"] .rag-category-tab.active {
    background: #f1f5f9;
}
[data-theme="light"] .rag-category-count {
    background: #f1f5f9;
}
[data-theme="light"] .rag-category-header {
    border-color: #e2e8f0;
}

/* ========================================
   Knowledge Graph
   ======================================== */
.rag-graph-container {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    overflow: hidden;
    position: relative;
}

.rag-graph-container svg {
    display: block;
    width: 100%;
    height: 600px;
}

.rag-graph-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.rag-graph-legend {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.rag-graph-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--rag-text-secondary);
}

.rag-graph-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.rag-graph-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.rag-graph-slider-label {
    font-size: 0.8rem;
    color: var(--rag-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rag-graph-slider-label input[type="range"] {
    width: 120px;
    accent-color: #6366f1;
}

.rag-graph-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--rag-text-muted);
    gap: 1rem;
}

.rag-graph-detail {
    position: fixed;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 320px;
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    padding: 1.25rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    z-index: 50;
    max-height: 70vh;
    overflow-y: auto;
}

.rag-graph-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.rag-graph-detail-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
    word-break: break-word;
}

.rag-graph-detail-meta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.82rem;
    color: var(--rag-text-secondary);
}

.rag-graph-detail-connections h4 {
    font-size: 0.8rem;
    color: var(--rag-text-muted);
    margin: 0 0 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rag-graph-connection-item {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--rag-border);
    font-size: 0.82rem;
    cursor: pointer;
}

.rag-graph-connection-item:hover {
    color: #6366f1;
}

.rag-graph-detail-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Create Project Form */
.rag-create-project-form {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: var(--rag-radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}
.rag-form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    flex-wrap: wrap;
}
.rag-form-row .rag-form-group { flex: 1; min-width: 180px; }

/* Inline Edit */
.rag-inline-edit-form {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.25rem;
}
.rag-inline-edit-form .rag-form-input {
    flex: 1;
    font-size: 0.813rem;
    padding: 0.35rem 0.5rem;
    max-width: 400px;
}

/* View Toggle */
.rag-view-toggle {
    display: flex;
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 6px;
    overflow: hidden;
}
[data-theme="dark"] .rag-view-toggle { border-color: var(--border-primary, #334155); }
.rag-view-btn {
    padding: 0.35rem 0.6rem;
    background: none;
    border: none;
    color: var(--text-tertiary, #94a3b8);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.15s;
}
.rag-view-btn.active {
    background: var(--accent, #3b82f6);
    color: #fff;
}
.rag-view-btn:hover:not(.active) { background: var(--surface-hover, #f8fafc); }
[data-theme="dark"] .rag-view-btn:hover:not(.active) { background: var(--surface-hover, #334155); }

/* Category Dropdown */
.rag-dropdown { position: relative; }
.rag-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface-primary, #fff);
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 8px;
    color: var(--text-primary, #1e293b);
    font-size: 0.813rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    min-width: 180px;
}
[data-theme="dark"] .rag-dropdown-trigger {
    background: var(--surface-primary, #1e293b);
    border-color: var(--border-primary, #334155);
    color: var(--text-primary, #e2e8f0);
}
.rag-dropdown-trigger:hover { border-color: var(--accent, #3b82f6); }
.rag-dropdown-arrow { margin-left: auto; font-size: 0.625rem; color: var(--text-tertiary); transition: transform 0.2s; }
.rag-dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 220px;
    background: var(--surface-primary, #fff);
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 50;
    padding: 0.25rem;
    max-height: 400px;
    overflow-y: auto;
}
[data-theme="dark"] .rag-dropdown-menu {
    background: var(--surface-primary, #1e293b);
    border-color: var(--border-primary, #334155);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.rag-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: none;
    border: none;
    border-radius: 6px;
    color: var(--text-primary, #1e293b);
    font-size: 0.813rem;
    cursor: pointer;
    transition: background 0.1s;
    text-align: left;
}
[data-theme="dark"] .rag-dropdown-item { color: var(--text-primary, #e2e8f0); }
.rag-dropdown-item:hover { background: var(--surface-hover, #f1f5f9); }
[data-theme="dark"] .rag-dropdown-item:hover { background: var(--surface-hover, #334155); }
.rag-dropdown-item.active { background: var(--accent-bg, #eff6ff); color: var(--accent, #3b82f6); font-weight: 600; }
[data-theme="dark"] .rag-dropdown-item.active { background: rgba(59,130,246,0.1); }
.rag-dropdown-count {
    margin-left: auto;
    font-size: 0.688rem;
    color: var(--text-tertiary, #94a3b8);
    background: var(--surface-secondary, #f1f5f9);
    padding: 0.1rem 0.4rem;
    border-radius: 9999px;
    min-width: 1.25rem;
    text-align: center;
}
[data-theme="dark"] .rag-dropdown-count { background: var(--surface-secondary, #0f172a); }
.rag-dropdown-divider { height: 1px; background: var(--border-secondary, #f1f5f9); margin: 0.25rem 0.5rem; }
[data-theme="dark"] .rag-dropdown-divider { background: var(--border-primary, #334155); }

/* Toolbar layout */
.rag-toolbar-left { display: flex; align-items: center; gap: 0.75rem; }
.rag-toolbar-right { display: flex; align-items: center; gap: 0.75rem; margin-left: auto; }

/* Category Accordion */
.rag-cat-accordion {
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}
[data-theme="dark"] .rag-cat-accordion { border-color: var(--border-primary, #334155); }
.rag-cat-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--surface-secondary, #f8fafc);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    color: var(--text-primary, #1e293b);
    font-size: 0.875rem;
}
[data-theme="dark"] .rag-cat-accordion-header {
    background: var(--surface-secondary, #0f172a);
    color: var(--text-primary, #e2e8f0);
}
.rag-cat-accordion-header:hover { background: var(--surface-hover, #f1f5f9); }
[data-theme="dark"] .rag-cat-accordion-header:hover { background: var(--surface-hover, #1e293b); }
.rag-cat-accordion-left {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.rag-cat-accordion-arrow {
    font-size: 0.625rem;
    color: var(--text-tertiary, #94a3b8);
    transition: transform 0.2s;
}
.rag-cat-accordion-arrow.rag-rotated { transform: rotate(90deg); }
.rag-cat-accordion-icon { color: var(--cat-color, var(--accent)); font-size: 0.875rem; }
.rag-cat-accordion-name { font-weight: 600; }
.rag-cat-accordion-count {
    font-size: 0.688rem;
    background: var(--cat-color, var(--accent));
    color: #fff;
    padding: 0.1rem 0.5rem;
    border-radius: 9999px;
    font-weight: 700;
}
.rag-cat-accordion-stats {
    font-size: 0.75rem;
    color: var(--text-tertiary, #94a3b8);
    display: flex;
    gap: 0.25rem;
}
.rag-cat-accordion-sep { opacity: 0.5; }
.rag-cat-accordion-body { padding: 0.75rem; }

/* Compact List View */
.rag-project-list {
    display: flex;
    flex-direction: column;
}
.rag-project-list-row {
    display: grid;
    grid-template-columns: 200px 1fr 80px auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-secondary, #f1f5f9);
    font-size: 0.813rem;
    transition: background 0.1s;
}
[data-theme="dark"] .rag-project-list-row { border-color: var(--border-primary, #1e293b); }
.rag-project-list-row:hover { background: var(--surface-hover, #f8fafc); }
[data-theme="dark"] .rag-project-list-row:hover { background: var(--surface-hover, #1e293b); }
.rag-project-list-row:last-child { border-bottom: none; }
.rag-project-list-name a {
    font-weight: 500;
    color: var(--accent, #3b82f6);
    text-decoration: none;
}
.rag-project-list-name a:hover { text-decoration: underline; }
.rag-project-list-desc {
    color: var(--text-tertiary, #94a3b8);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rag-project-list-stats {
    font-size: 0.75rem;
    color: var(--text-tertiary, #94a3b8);
    white-space: nowrap;
}
.rag-project-list-actions {
    display: flex;
    gap: 0.25rem;
}
@media (max-width: 768px) {
    .rag-project-list-row { grid-template-columns: 1fr auto; }
    .rag-project-list-desc,
    .rag-project-list-stats { display: none; }
}

/* Conversation Sidebar */
.rag-conv-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 19;
}
[data-theme="dark"] .rag-conv-backdrop { background: rgba(0,0,0,0.5); }
.rag-conv-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 300px;
    background: var(--surface-primary, #fff);
    border-right: 1px solid var(--border-primary, #e2e8f0);
    z-index: 20;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 12px rgba(0,0,0,0.1);
}
[data-theme="dark"] .rag-conv-sidebar {
    background: var(--surface-primary, #1e293b);
    border-color: var(--border-primary, #334155);
}
.rag-conv-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-primary, #e2e8f0);
}
.rag-conv-sidebar-header h3 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.rag-conv-list {
    flex: 1;
    overflow-y: auto;
}
.rag-conv-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-secondary, #f1f5f9);
    cursor: pointer;
    position: relative;
    transition: background 0.15s;
}
.rag-conv-item:hover { background: var(--surface-hover, #f8fafc); }
[data-theme="dark"] .rag-conv-item:hover { background: var(--surface-hover, #334155); }
.rag-conv-item.active {
    background: var(--accent-bg, #eff6ff);
    border-left: 3px solid var(--accent, #3b82f6);
}
[data-theme="dark"] .rag-conv-item.active { background: rgba(59,130,246,0.1); }
.rag-conv-item-title {
    font-size: 0.813rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 1.5rem;
}
.rag-conv-item-meta {
    font-size: 0.688rem;
    color: var(--text-tertiary, #94a3b8);
    display: flex;
    gap: 0.5rem;
    margin-top: 0.25rem;
}
.rag-conv-item-delete {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    background: none;
    border: none;
    color: var(--text-tertiary, #94a3b8);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.75rem;
    transition: opacity 0.15s, color 0.15s;
}
.rag-conv-item:hover .rag-conv-item-delete { opacity: 1; }
.rag-conv-item-delete:hover { color: var(--danger, #ef4444); }
@media (max-width: 768px) {
    .rag-conv-sidebar { width: 100%; }
}
.rag-badge-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent, #3b82f6);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    min-width: 1rem;
    height: 1rem;
    border-radius: 9999px;
    padding: 0 0.25rem;
    margin-left: 0.25rem;
}

/* Feedback Buttons */
.rag-feedback-bar {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s;
}
.rag-message-bubble--assistant:hover .rag-feedback-bar { opacity: 1; }
.rag-feedback-bar.has-feedback { opacity: 1; }
.rag-feedback-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-tertiary, #94a3b8);
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    transition: all 0.15s;
}
.rag-feedback-btn:hover { color: var(--text-primary); border-color: var(--border-primary); }
.rag-feedback-btn.active-up { color: #10b981; border-color: #10b981; }
.rag-feedback-btn.active-down { color: #ef4444; border-color: #ef4444; }

/* Analytics */
.rag-analytics-toggle {
    display: flex;
    justify-content: flex-end;
    padding: 0.25rem 0;
}
.rag-analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    padding: 0.75rem 1rem;
}
.rag-analytics-card {
    background: var(--surface-primary, #fff);
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
}
[data-theme="dark"] .rag-analytics-card {
    background: var(--surface-primary, #1e293b);
    border-color: var(--border-primary, #334155);
}
.rag-analytics-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent, #3b82f6);
}
.rag-analytics-label {
    font-size: 0.688rem;
    color: var(--text-tertiary, #94a3b8);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Complete Stats */
.rag-complete-stats-panel {
    background: var(--rag-surface);
    border: 1px solid var(--rag-border);
    border-radius: 8px;
    margin: 0.75rem 0 1rem;
    overflow: hidden;
}

.rag-complete-stats-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--rag-border);
    background: var(--rag-surface-alt);
}

.rag-complete-stats-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.rag-complete-stats-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    color: var(--rag-text-muted);
}

.rag-complete-stats-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.75rem;
    padding: 1rem;
}

.rag-complete-stat-card {
    min-width: 0;
    border: 1px solid var(--rag-border);
    border-radius: 8px;
    padding: 0.75rem;
    background: var(--rag-page-bg);
}

.rag-complete-stat-label {
    display: block;
    font-size: 0.688rem;
    font-weight: 700;
    color: var(--rag-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.rag-complete-stat-card strong {
    display: block;
    margin-top: 0.25rem;
    font-size: 1.125rem;
    line-height: 1.2;
    color: var(--rag-text);
    word-break: break-word;
}

.rag-complete-stat-card small {
    display: block;
    margin-top: 0.25rem;
    color: var(--rag-text-secondary);
    font-size: 0.75rem;
}

.rag-stats-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0 1rem 0.875rem;
    border-bottom: 1px solid var(--rag-border);
}

.rag-stats-tabs button {
    border: 1px solid var(--rag-border);
    background: var(--rag-surface);
    color: var(--rag-text-secondary);
    border-radius: 8px;
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
}

.rag-stats-tabs button.active {
    background: var(--rag-accent-light);
    border-color: var(--rag-accent);
    color: var(--rag-text);
}

.rag-stats-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    padding: 1rem;
}

.rag-stats-table-wrap {
    min-width: 0;
    border: 1px solid var(--rag-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--rag-page-bg);
}

.rag-stats-table-title {
    padding: 0.625rem 0.75rem;
    background: var(--rag-surface-alt);
    border-bottom: 1px solid var(--rag-border);
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--rag-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.rag-stats-row {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(5rem, 0.8fr) minmax(4rem, 0.7fr);
    gap: 0.75rem;
    align-items: center;
    padding: 0.625rem 0.75rem;
    border-bottom: 1px solid var(--rag-border);
    color: var(--rag-text);
    font-size: 0.8125rem;
    text-decoration: none;
}

.rag-stats-row:last-child {
    border-bottom: none;
}

.rag-stats-row span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rag-stats-row span:nth-child(2) {
    color: var(--rag-text-muted);
}

.rag-stats-row strong {
    text-align: right;
    font-weight: 800;
}

.rag-stats-row--head {
    background: var(--rag-surface-alt);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rag-text-muted);
}

.rag-stats-row--head span,
.rag-stats-row--head strong {
    font-weight: 600;
    color: var(--rag-text-muted);
}

.rag-stats-row--link:hover {
    background: var(--rag-accent-light);
}

@media (max-width: 1100px) {
    .rag-complete-stats-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .rag-complete-stats-header,
    .rag-stats-columns {
        grid-template-columns: 1fr;
    }

    .rag-complete-stats-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .rag-complete-stats-actions {
        width: 100%;
    }

    .rag-complete-stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .rag-stats-row {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .rag-stats-row span:nth-child(2) {
        display: none;
    }
}

/* Chat Message Tables (markdown-generated) */
.rag-message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.75rem 0;
    font-size: 0.813rem;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-primary, #e2e8f0);
}
[data-theme="dark"] .rag-message-content table { border-color: var(--border-primary, #334155); }
.rag-message-content thead {
    background: var(--surface-secondary, #f1f5f9);
}
[data-theme="dark"] .rag-message-content thead { background: rgba(59,130,246,0.08); }
.rag-message-content th {
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary, #475569);
    border-bottom: 2px solid var(--border-primary, #e2e8f0);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: color 0.15s;
}
.rag-message-content th:hover { color: var(--accent, #3b82f6); }
.rag-message-content th[data-sort-dir="asc"]::after { content: " \u25B2"; font-size: 0.625rem; }
.rag-message-content th[data-sort-dir="desc"]::after { content: " \u25BC"; font-size: 0.625rem; }
[data-theme="dark"] .rag-message-content th {
    color: var(--text-secondary, #94a3b8);
    border-color: var(--border-primary, #334155);
}
.rag-message-content td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-secondary, #f1f5f9);
    color: var(--text-primary, #1e293b);
    vertical-align: top;
}
[data-theme="dark"] .rag-message-content td {
    border-color: var(--border-primary, #1e293b);
    color: var(--text-primary, #e2e8f0);
}
.rag-message-content tbody tr:hover {
    background: var(--surface-hover, #f8fafc);
}
[data-theme="dark"] .rag-message-content tbody tr:hover { background: rgba(255,255,255,0.03); }
.rag-message-content tbody tr:last-child td { border-bottom: none; }
/* Responsive table scroll */
.rag-message-content .table-wrapper,
.rag-message-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.rag-message-content thead,
.rag-message-content tbody,
.rag-message-content tr {
    display: table;
    width: 100%;
    table-layout: fixed;
}
.rag-message-content table { display: table; }
.rag-message-content thead { display: table-header-group; }
.rag-message-content tbody { display: table-row-group; }
.rag-message-content tr { display: table-row; }
.rag-message-content th,
.rag-message-content td { display: table-cell; }
/* Code blocks in chat */
.rag-message-content pre {
    background: var(--surface-secondary, #f1f5f9);
    border-radius: 6px;
    padding: 0.75rem;
    overflow-x: auto;
    font-size: 0.813rem;
}
[data-theme="dark"] .rag-message-content pre { background: rgba(0,0,0,0.3); }
.rag-message-content code {
    background: var(--surface-secondary, #f1f5f9);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font-size: 0.85em;
}
[data-theme="dark"] .rag-message-content code { background: rgba(255,255,255,0.1); }
.rag-message-content pre code { background: none; padding: 0; }
/* Blockquotes */
.rag-message-content blockquote {
    border-left: 3px solid var(--accent, #3b82f6);
    margin: 0.5rem 0;
    padding: 0.5rem 1rem;
    background: var(--surface-secondary, #f8fafc);
    border-radius: 0 6px 6px 0;
    color: var(--text-secondary, #475569);
}
[data-theme="dark"] .rag-message-content blockquote {
    background: rgba(59,130,246,0.05);
    color: var(--text-secondary, #94a3b8);
}

/* Adaptive Data Display */
.rag-adaptive-display {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-secondary, #e2e8f0);
}
[data-theme="dark"] .rag-adaptive-display { border-color: var(--border-primary, #334155); }
.rag-adaptive-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary, #94a3b8);
    margin-bottom: 0.5rem;
}
/* Document Cards */
.rag-adaptive-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}
.rag-adaptive-card {
    padding: 0.5rem 0.75rem;
    background: var(--surface-secondary, #f8fafc);
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}
.rag-adaptive-card:hover {
    border-color: var(--accent, #3b82f6);
    background: var(--accent-bg, #eff6ff);
}
[data-theme="dark"] .rag-adaptive-card {
    background: var(--surface-secondary, #1e293b);
    border-color: var(--border-primary, #334155);
}
[data-theme="dark"] .rag-adaptive-card:hover {
    background: rgba(59,130,246,0.1);
    border-color: var(--accent, #3b82f6);
}
.rag-adaptive-card-title {
    font-size: 0.813rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rag-adaptive-card-excerpt {
    font-size: 0.688rem;
    color: var(--text-tertiary, #94a3b8);
    margin-top: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* Search Results (ranked) */
.rag-adaptive-results {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    max-height: 400px;
    overflow-y: auto;
}
.rag-adaptive-result {
    padding: 0.5rem 0.75rem;
    background: var(--surface-secondary, #f8fafc);
    border-radius: 6px;
    border-left: 3px solid transparent;
}
[data-theme="dark"] .rag-adaptive-result { background: var(--surface-secondary, #1e293b); }
.rag-adaptive-result:nth-child(-n+3) { border-left-color: var(--accent, #3b82f6); }
.rag-adaptive-result-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.rag-adaptive-result-rank {
    font-size: 0.688rem;
    font-weight: 700;
    color: var(--text-tertiary, #94a3b8);
    min-width: 1.5rem;
}
.rag-adaptive-result-title {
    font-size: 0.813rem;
    font-weight: 500;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rag-adaptive-result-score {
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 9999px;
    flex-shrink: 0;
}
.rag-adaptive-result-excerpt {
    font-size: 0.688rem;
    color: var(--text-tertiary, #94a3b8);
    margin-top: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Suggested Questions (clickable chips in chat) */
.rag-suggested-questions {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-secondary, #e2e8f0);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
[data-theme="dark"] .rag-suggested-questions { border-color: var(--border-primary, #334155); }
.rag-suggested-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary, #94a3b8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 0.25rem 0;
}
.rag-suggested-questions .rag-suggestion-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    text-align: left;
    padding: 0.5rem 0.75rem;
    background: var(--surface-secondary, #f8fafc);
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 8px;
    color: var(--text-primary, #1e293b);
    font-size: 0.813rem;
    cursor: pointer;
    transition: all 0.15s;
    line-height: 1.4;
}
.rag-suggested-questions .rag-suggestion-chip:hover {
    background: var(--accent-bg, #eff6ff);
    border-color: var(--accent, #3b82f6);
    color: var(--accent, #3b82f6);
}
[data-theme="dark"] .rag-suggested-questions .rag-suggestion-chip {
    background: var(--surface-secondary, #1e293b);
    border-color: var(--border-primary, #334155);
    color: var(--text-primary, #e2e8f0);
}
[data-theme="dark"] .rag-suggested-questions .rag-suggestion-chip:hover {
    background: rgba(59,130,246,0.1);
    border-color: var(--accent, #3b82f6);
}
.rag-suggested-questions .rag-suggestion-chip i {
    color: var(--accent, #3b82f6);
    flex-shrink: 0;
    font-size: 0.688rem;
}

/* Decision Tree */
.rag-decision-tree { padding: 0.25rem 0; }
.rag-tree-node {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    position: relative;
    font-size: 0.813rem;
    transition: background 0.15s;
    border-radius: 4px;
}
.rag-tree-node:hover { background: var(--surface-hover, #f8fafc); }
[data-theme="dark"] .rag-tree-node:hover { background: var(--surface-hover, #334155); }
.rag-tree-connector {
    position: absolute;
    left: calc(var(--depth, 0) * 1.25rem);
    top: 0;
    bottom: 50%;
    width: 1px;
    border-left: 1px dashed var(--border-secondary, #cbd5e1);
}
.rag-tree-icon {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.688rem;
    border-radius: 50%;
}
.rag-tree--iteration .rag-tree-icon { color: var(--accent, #3b82f6); }
.rag-tree--thinking .rag-tree-icon { color: #f59e0b; }
.rag-tree--tool_result .rag-tree-icon { color: #10b981; }
.rag-tree--answer .rag-tree-icon { color: #8b5cf6; }
.rag-tree--error .rag-tree-icon { color: #ef4444; }
.rag-tree-status--active .rag-tree-icon { animation: rag-pulse 1.5s infinite; }
.rag-tree-status--done { opacity: 0.7; }
@keyframes rag-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.rag-tree-body {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex: 1;
    min-width: 0;
}
.rag-tree-label {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rag-tree-progress {
    font-size: 0.625rem;
    color: var(--text-tertiary, #94a3b8);
    background: var(--surface-secondary, #f1f5f9);
    padding: 0.1rem 0.35rem;
    border-radius: 9999px;
    flex-shrink: 0;
}
[data-theme="dark"] .rag-tree-progress { background: var(--surface-secondary, #1e293b); }
.rag-tree-detail {
    font-size: 0.688rem;
    color: var(--text-tertiary, #94a3b8);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
    cursor: help;
}

/* Passkey + hierarchy + granular ingest status */
.rag-login-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1rem 0;
    color: var(--text-tertiary, #94a3b8);
    font-size: 0.75rem;
}
.rag-login-divider::before,
.rag-login-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-secondary, #cbd5e1);
}
.rag-login-passkey-status {
    margin: 0.75rem 0 0;
    color: var(--text-secondary, #64748b);
    font-size: 0.813rem;
    text-align: center;
}
.rag-raptor-panel {
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid var(--border-secondary, #cbd5e1);
    border-radius: 8px;
    background: var(--surface-primary, #ffffff);
}
[data-theme="dark"] .rag-raptor-panel {
    background: var(--surface-primary, #0f172a);
    border-color: var(--border-secondary, #334155);
}
.rag-raptor-header,
.rag-raptor-project {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.rag-section-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
}
.rag-raptor-levels {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 0.75rem;
}
.rag-raptor-level {
    padding: 0.75rem;
    border-radius: 6px;
    background: var(--surface-secondary, #f8fafc);
    border: 1px solid var(--border-secondary, #e2e8f0);
}
[data-theme="dark"] .rag-raptor-level {
    background: var(--surface-secondary, #1e293b);
    border-color: var(--border-secondary, #334155);
}
.rag-raptor-level-name {
    color: var(--text-secondary, #64748b);
    font-size: 0.75rem;
    font-weight: 700;
}
.rag-raptor-level-value {
    margin-top: 0.25rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary, #0f172a);
}
.rag-raptor-level-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
    color: var(--text-tertiary, #94a3b8);
    font-size: 0.75rem;
}
.rag-raptor-projects {
    display: grid;
    gap: 0.35rem;
    margin-top: 0.75rem;
}
.rag-raptor-project {
    padding: 0.45rem 0.6rem;
    border-radius: 6px;
    background: var(--surface-secondary, #f8fafc);
    color: var(--text-secondary, #64748b);
    font-size: 0.75rem;
    text-decoration: none;
}
.rag-raptor-project-name {
    flex: 1;
    min-width: 0;
    color: var(--text-primary, #0f172a);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.rag-chat-scope-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.rag-form-select--sm {
    min-height: 2rem;
    padding: 0.25rem 0.55rem;
    font-size: 0.813rem;
}
.rag-toggle-control {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    min-height: 2rem;
    padding: 0.25rem 0.55rem;
    border: 1px solid var(--border-secondary, #cbd5e1);
    border-radius: 6px;
    color: var(--text-secondary, #64748b);
    font-size: 0.813rem;
}
.rag-toggle-control input {
    width: auto;
}
.rag-task-progress-list {
    display: grid;
    gap: 0.4rem;
    margin-top: 0.75rem;
    max-height: 320px;
    overflow: auto;
}
.rag-task-progress-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(96px, 180px) 3rem auto;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border: 1px solid var(--border-secondary, #e2e8f0);
    border-radius: 6px;
    background: var(--surface-primary, #ffffff);
}
[data-theme="dark"] .rag-task-progress-row {
    background: var(--surface-primary, #0f172a);
    border-color: var(--border-secondary, #334155);
}
.rag-task-progress-main {
    min-width: 0;
}
.rag-task-name,
.rag-task-step {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.rag-task-name {
    color: var(--text-primary, #0f172a);
    font-size: 0.813rem;
    font-weight: 600;
}
.rag-task-step {
    color: var(--text-tertiary, #94a3b8);
    font-size: 0.688rem;
}
.rag-task-progress-meter {
    height: 0.45rem;
    overflow: hidden;
    border-radius: 999px;
    background: var(--surface-secondary, #e2e8f0);
}
.rag-task-progress-meter > div {
    height: 100%;
    border-radius: inherit;
    background: var(--accent, #3b82f6);
    transition: width 0.2s ease;
}
.rag-task-progress-row--failed .rag-task-progress-meter > div {
    background: var(--danger, #ef4444);
}
.rag-task-progress-value {
    color: var(--text-secondary, #64748b);
    font-size: 0.75rem;
    text-align: right;
}

@media (max-width: 720px) {
    .rag-raptor-levels,
    .rag-task-progress-row {
        grid-template-columns: 1fr;
    }
    .rag-chat-scope-controls {
        width: 100%;
        flex-wrap: wrap;
    }
}