/* ── RAG — styles.css ── */
/* Themes (light/dark) + border-radius constraints */

:root,
[data-theme="light"] {
    --bg: #ffffff;
    --bg-alt: #f5f6f8;
    --bg-card: #ffffff;
    --text: #1a1a1a;
    --text-muted: #6b7280;
    --border: #e2e4e8;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #dbeafe;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --success: #16a34a;
    --warning: #d97706;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);

    /* Border radius — MAX 5px */
    --radius-max: 5px;
    --radius-normal: 3px;
    --radius-min: 0px;
}

[data-theme="dark"] {
    --bg: #0f1117;
    --bg-alt: #1a1d27;
    --bg-card: #1e2130;
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --border: #2d3148;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-light: #1e3a5f;
    --danger: #ef4444;
    --danger-hover: #f87171;
    --success: #22c55e;
    --warning: #f59e0b;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
}

/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ── Header ── */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: var(--shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-title {
    font-size: 1rem;
    font-weight: 600;
}

.header-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.header-icon {
    width: 28px;
    height: 28px;
}

.header-brand {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
    background: var(--bg-alt);
    border-color: var(--accent);
}

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

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

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger-hover);
}

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

.selection-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1rem 0 1.25rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    box-shadow: var(--shadow);
}

.selection-toolbtn {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 52px;
    padding: 0.9rem 1.15rem;
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.selection-toolbtn i {
    color: var(--accent);
    font-size: 1rem;
}

.selection-toolbtn:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

/* ── Stats grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    padding: 1rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card.clickable {
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.stat-card.clickable:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ── Dropzone ── */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-max);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--bg-alt);
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

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

.dropzone.active {
    border-color: var(--success);
    background: var(--bg-alt);
}

.dropzone-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.dropzone-text {
    font-size: 0.875rem;
}

.dropzone input[type="file"] {
    display: none;
}

/* ── Toast / Notification ── */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-max);
    font-size: 0.8125rem;
    color: #fff;
    background: var(--accent);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: opacity 0.3s;
}

.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

/* ── Table ── */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

thead th {
    text-align: left;
    padding: 0.625rem 0.75rem;
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

tbody td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr {
    transition: background 0.1s;
}

tbody tr:hover {
    background: var(--bg-alt);
}

/* Table action buttons spacing */
td .btn-sm + .btn-sm,
td button + button {
    margin-left: 0.25rem;
}

/* ── Modal ── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(2px);
    z-index: 900;
    align-items: flex-start;
    justify-content: center;
    padding-top: 5vh;
    overflow-y: auto;
}

.modal-overlay.open {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    padding: 1.5rem;
    width: 90%;
    max-width: 560px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    margin-bottom: 5vh;
    animation: modalSlideIn 0.2s ease;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0.25rem;
    margin-left: auto;
    transition: color 0.15s;
}

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

/* ── Form ── */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: var(--text);
    letter-spacing: 0.01em;
}

.form-group .form-hint {
    display: block;
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 0.125rem;
    margin-bottom: 0;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg);
    color: var(--text);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.65;
}

.form-group textarea {
    resize: vertical;
    min-height: 72px;
    line-height: 1.5;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M3 5l3 3 3-3z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    padding-right: 1.75rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.form-row.three-col {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-row .form-group {
    margin-bottom: 0;
}

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

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}

.form-section {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
}

.form-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section-title i {
    font-size: 0.7rem;
}

/* ── Threshold editor ── */
.th-editor {
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg-alt);
    padding: 0.5rem;
    box-shadow: var(--shadow);
}

.th-editor--compact {
    padding: 0.5rem;
}

.th-editor-title {
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text);
}

.th-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 0.35rem;
}

.th-label {
    font-size: 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    color: var(--text-muted);
}

.th-label input,
.th-label select {
    padding: 0.25rem 0.4rem;
    font-size: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg-card);
    color: var(--text);
    min-width: 100px;
}

.th-label select {
    cursor: pointer;
}

.th-hidden {
    display: none !important;
}

.th-bar {
    position: relative;
    height: 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    overflow: hidden;
    margin: 0.25rem 0 0.4rem;
}

.th-preview .th-bar {
    height: 18px;
    margin: 0.2rem 0;
    overflow: visible;
}

.th-preview .th-pivot {
    pointer-events: none;
}

.th-preview .th-band-label {
    font-size: 0.6rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.th-band,
.th-highlight {
    position: absolute;
    top: 0;
    bottom: 0;
}

.th-band-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: rgba(0, 0, 0, 0.65);
    font-weight: 600;
    pointer-events: none;
}

[data-theme="dark"] .th-band-label {
    color: rgba(255, 255, 255, 0.7);
}

.th-band--low {
    background: #3b82f6;
    opacity: 0.45;
}

.th-band--mid {
    background: #f59e0b;
    opacity: 0.45;
}

.th-band--high {
    background: #ef4444;
    opacity: 0.45;
}

.th-highlight {
    background: #22c55e;
    opacity: 0.25;
}

.th-pivot {
    position: absolute;
    top: -3px;
    width: 2px;
    height: 18px;
    background: var(--text);
    cursor: ew-resize;
    z-index: 2;
}

.th-pivot::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -4px;
    width: 10px;
    height: 10px;
    border: 2px solid var(--text);
    background: var(--bg-card);
    border-radius: 50%;
}

.th-legend {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.th-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-normal);
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.th-chip--low { color: #1d4ed8; border-color: #bfdbfe; background: #eff6ff; }
.th-chip--mid { color: #b45309; border-color: #fed7aa; background: #fff7ed; }
.th-chip--high { color: #b91c1c; border-color: #fecaca; background: #fef2f2; }

[data-theme="dark"] .th-chip--low { background: #1e3a5f; border-color: #1e40af; color: #93c5fd; }
[data-theme="dark"] .th-chip--mid { background: #3b2f1c; border-color: #92400e; color: #fcd34d; }
[data-theme="dark"] .th-chip--high { background: #3b1c1c; border-color: #7f1d1d; color: #fca5a5; }

.thresholds-shared {
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg-alt);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}

.thresholds-shared-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

/* Collapsible form sections */
.form-collapsible summary {
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    padding: 0.625rem 0.75rem;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.15s;
    list-style: none;
}

.form-collapsible summary::-webkit-details-marker { display: none; }

.form-collapsible summary::before {
    content: "\f054";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.625rem;
    transition: transform 0.2s;
    width: 12px;
}

.form-collapsible[open] summary::before { transform: rotate(90deg); }

.form-collapsible summary:hover { background: var(--accent-light); }

.form-collapsible .form-collapsible-body {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius-normal) var(--radius-normal);
    background: var(--bg-card);
}

/* Filter bar improved */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
    padding: 0.375rem 0.625rem;
    font-size: 0.8125rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg);
    color: var(--text);
    transition: border-color 0.15s;
}

.filter-bar select:focus,
.filter-bar input:focus {
    border-color: var(--accent);
    outline: none;
}

.filter-bar .filter-count {
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-weight: 500;
}

/* Inline filter cards */
.filter-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    padding: 0.625rem 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}
.login-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    padding: 2rem;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow-md);
}

.login-card h1 {
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

.login-error {
    color: var(--danger);
    font-size: 0.8125rem;
    text-align: center;
    margin-bottom: 0.75rem;
    display: none;
}

/* ── Page layout ── */
.page {
    padding: 1.5rem 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.page-header .page-title {
    margin-bottom: 0;
}

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: var(--radius-normal);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.badge-processing { background: #fef3c7; color: #92400e; }
.badge-completed { background: #d1fae5; color: #065f46; }
.badge-draft { background: #e0e7ff; color: #3730a3; }
.badge-error { background: #fee2e2; color: #991b1b; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-inactive { background: #f3f4f6; color: #6b7280; }
.badge-queued { background: #dbeafe; color: #1e40af; }
.badge-extracting_text { background: #fef3c7; color: #92400e; }
.badge-analyzing { background: #ede9fe; color: #5b21b6; }
.badge-persisting { background: #fef3c7; color: #92400e; }
.badge-chunking { background: #fce7f3; color: #9d174d; }
.badge-embedding { background: #cffafe; color: #155e75; }
.badge-reconciling { background: #fef3c7; color: #92400e; }
.badge-summarizing_pages { background: #e0f2fe; color: #075985; }

/* ── Error detail row ── */
.error-detail-row td { padding-top: 0 !important; border-top: none !important; }
.error-detail {
    font-size: 0.6875rem;
    color: #991b1b;
    background: #fee2e2;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-normal);
    margin-bottom: 0.25rem;
    word-break: break-all;
    font-family: monospace;
}
[data-theme="dark"] .error-detail {
    color: #fca5a5;
    background: #450a0a;
}

.process-detail-row td { padding-top: 0 !important; border-top: none !important; }

.process-detail {
    font-size: 0.75rem;
    color: var(--text);
    background: var(--bg-alt);
    padding: 0.5rem 0.625rem;
    border-radius: var(--radius-normal);
    margin-bottom: 0.25rem;
    border: 1px solid var(--border);
}

.process-detail-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.375rem;
}

.process-detail-meta {
    color: var(--text-muted);
}

.progress-track {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 12%, var(--bg-card));
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--accent), #10b981);
}

.processing-events {
    list-style: none;
    margin: 0.625rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.processing-event-item {
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: var(--radius-normal);
    padding: 0.45rem 0.55rem;
}

.processing-event-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.15rem;
}

.processing-event-type {
    font-size: 0.675rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--accent);
    font-weight: 700;
}

.processing-event-time,
.processing-event-meta {
    color: var(--text-muted);
    font-size: 0.6875rem;
}

.processing-event-message {
    font-size: 0.75rem;
    color: var(--text);
    word-break: break-word;
}

.processing-event-openai_request .processing-event-type,
.processing-event-openai_response .processing-event-type {
    color: #0f766e;
}

.processing-event-failed .processing-event-type,
.processing-event-timeout .processing-event-type,
.processing-event-retryable_error .processing-event-type,
.processing-event-page_fallback .processing-event-type,
.processing-event-merge_fallback .processing-event-type,
.processing-event-chunk_fallback .processing-event-type {
    color: var(--danger);
}

/* ── Danger button ── */
.btn-danger {
    background: transparent;
    color: #991b1b;
    border: 1px solid #fca5a5;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0.125rem 0.375rem;
}
.btn-danger:hover { background: #fee2e2; }
[data-theme="dark"] .btn-danger { color: #fca5a5; border-color: #7f1d1d; }
[data-theme="dark"] .btn-danger:hover { background: #450a0a; }

[data-theme="dark"] .badge-processing { background: #451a03; color: #fbbf24; }
[data-theme="dark"] .badge-completed { background: #052e16; color: #4ade80; }
[data-theme="dark"] .badge-draft { background: #1e1b4b; color: #818cf8; }
[data-theme="dark"] .badge-error { background: #450a0a; color: #fca5a5; }
[data-theme="dark"] .badge-active { background: #052e16; color: #4ade80; }
[data-theme="dark"] .badge-inactive { background: #1f2937; color: #9ca3af; }
[data-theme="dark"] .badge-queued { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .badge-extracting_text { background: #451a03; color: #fbbf24; }
[data-theme="dark"] .badge-analyzing { background: #2e1065; color: #c4b5fd; }
[data-theme="dark"] .badge-persisting { background: #451a03; color: #fbbf24; }
[data-theme="dark"] .badge-chunking { background: #500724; color: #f9a8d4; }
[data-theme="dark"] .badge-embedding { background: #164e63; color: #67e8f9; }
[data-theme="dark"] .badge-reconciling { background: #451a03; color: #fbbf24; }
[data-theme="dark"] .badge-summarizing_pages { background: #0c4a6e; color: #bae6fd; }

/* ── Responsive ── */
@media (max-width: 640px) {
    .header { flex-wrap: wrap; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-row .form-group { margin-bottom: 1rem; }
    .form-row.three-col { grid-template-columns: 1fr; }
    .modal { width: 95%; padding: 1rem; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .filter-card { flex-direction: column; align-items: flex-start; }
}

/* ── Pulse dot for active statuses ── */
.pulse-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 1.2s ease-in-out infinite;
    vertical-align: middle;
    margin-right: 2px;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ── Browse tabs ── */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1rem;
}

.tab {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.tab:hover { color: var(--text); }

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    font-weight: 600;
}

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1rem;
    font-size: 0.8125rem;
}

.pagination button {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    min-width: 28px;
    text-align: center;
}

.pagination button:hover:not(:disabled) {
    background: var(--bg-alt);
    border-color: var(--accent);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: default;
}

.pagination button.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.pagination-info {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-left: 0.5rem;
}

/* ── Delete preview modal ── */
.delete-preview-list {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0;
}

.delete-preview-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.375rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.8125rem;
}

.delete-preview-list li:last-child { border-bottom: none; }

.delete-preview-list .dp-label { color: var(--text-muted); }
.delete-preview-list .dp-value { font-weight: 600; }

.delete-preview-warn {
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

/* ── Text truncation for table cells ── */
.truncate {
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Filter bar ── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
}

.filter-bar select,
.filter-bar input {
    padding: 0.3rem 0.5rem;
    font-size: 0.8125rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg);
    color: var(--text);
}

/* ── Tag cloud ── */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    color: var(--text);
    white-space: nowrap;
}

.tag small {
    color: var(--text-muted);
    font-size: 0.625rem;
}

/* ── Chat ── */
.chat-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 60vh;
    overflow-y: auto;
    padding: 0.5rem;
}

.chat-msg {
    max-width: 85%;
    padding: 0.75rem;
    border-radius: var(--radius-max);
    font-size: 0.875rem;
    line-height: 1.6;
    word-wrap: break-word;
}

.chat-msg.user {
    align-self: flex-end;
    background: var(--accent);
    color: #fff;
}

.chat-msg.assistant {
    align-self: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
}

.chat-msg.assistant .msg-meta {
    margin-top: 0.5rem;
    font-size: 0.6875rem;
    color: var(--text-muted);
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.chat-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
}

.chat-input-row textarea {
    flex: 1;
    min-height: 40px;
    max-height: 120px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg-card);
    color: var(--text);
    font-family: inherit;
    font-size: 0.875rem;
    resize: vertical;
}

.chat-input-row textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.chat-layers {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
    margin-top: 0.375rem;
}

.layer-chip {
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-normal);
    font-weight: 500;
}

.layer-chip.docs { background: #e0f2fe; color: #0369a1; }
.layer-chip.sections { background: #f0fdf4; color: #15803d; }
.layer-chip.page-summaries { background: #fef9c3; color: #854d0e; }
.layer-chip.full-text { background: #fce7f3; color: #9d174d; }
.layer-chip.structured { background: #ede9fe; color: #6d28d9; }

[data-theme="dark"] .layer-chip.docs { background: #0c4a6e; color: #bae6fd; }
[data-theme="dark"] .layer-chip.sections { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .layer-chip.page-summaries { background: #713f12; color: #fef08a; }
[data-theme="dark"] .layer-chip.full-text { background: #831843; color: #fbcfe8; }
[data-theme="dark"] .layer-chip.structured { background: #4c1d95; color: #ddd6fe; }

/* ── Sidebar ── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1099;
}
.sidebar-overlay.open { display: block; }

.sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 260px;
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    transition: left 0.25s ease;
    overflow-y: auto;
}
.sidebar.open { left: 0; }

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 1rem 0.75rem;
    border-bottom: 1px solid var(--border);
}
.sidebar-brand-icon { width: 26px; height: 26px; }
.sidebar-brand-text { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.02em; }

.sidebar-menu {
    flex: 1;
    padding: 0.5rem 0;
    overflow-y: auto;
}

.sidebar-group { margin-bottom: 0.125rem; }

.sidebar-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: color 0.15s;
}
.sidebar-group-header:hover { color: var(--text); }
.sidebar-group-header span { display: flex; align-items: center; gap: 0.5rem; }
.sidebar-group-header span i { width: 14px; text-align: center; font-size: 0.625rem; }

.sidebar-chevron {
    font-size: 0.5rem;
    transition: transform 0.2s;
}
.sidebar-group-header.open .sidebar-chevron { transform: rotate(180deg); }

.sidebar-group-items {
    display: none;
    padding: 0 0 0.25rem;
}
.sidebar-group-items.open { display: block; }

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem 0.4rem 2rem;
    font-size: 0.8125rem;
    color: var(--text);
    text-decoration: none;
    transition: background 0.12s, color 0.12s;
    border-left: 3px solid transparent;
}
.sidebar-item:hover {
    background: var(--bg-alt);
    text-decoration: none;
    color: var(--accent);
}
.sidebar-item.active {
    background: var(--accent-light);
    color: var(--accent);
    border-left-color: var(--accent);
    font-weight: 600;
}
.sidebar-item i { width: 16px; text-align: center; font-size: 0.75rem; }

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

.sidebar-footer-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.4rem 0.75rem;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 0.8125rem;
    cursor: pointer;
    border-radius: var(--radius-normal);
    transition: background 0.12s;
}
.sidebar-footer-btn:hover { background: var(--bg-alt); }
.sidebar-footer-btn.sidebar-logout { color: var(--danger); }
.sidebar-footer-btn.sidebar-logout:hover { background: #fee2e2; }
[data-theme="dark"] .sidebar-footer-btn.sidebar-logout:hover { background: #450a0a; }

/* Hamburger button */
.hamburger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.5rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-normal);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    transition: background 0.15s;
}
.hamburger-btn:hover { background: var(--bg-alt); border-color: var(--accent); }

/* ── Load more button for tag clouds ── */
.load-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.625rem;
    font-size: 0.6875rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius-normal);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
    white-space: nowrap;
}
.load-more-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Dark mode select arrow ── */
[data-theme="dark"] .form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ca3af' d='M3 5l3 3 3-3z'/%3E%3C/svg%3E");
}

/* ── Generate card ── */
.generate-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-max);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    overflow: hidden;
}

.generate-card-header {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.9rem;
}

.generate-card-header i {
    color: var(--accent);
}

.generate-card-body {
    padding: 1rem;
}

.generate-card-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.generate-card-footer .status-text {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

/* ── Result card ── */
.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--success);
    border-radius: var(--radius-max);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    overflow: hidden;
}

.result-card-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.875rem;
}

.result-card-body {
    padding: 1rem;
}

.result-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.result-meta-item {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

/* ── Info row (key-value pair display) ── */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    font-size: 0.8125rem;
}

.info-grid .info-label {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.info-grid .info-value {
    color: var(--text);
    font-weight: 500;
}

/* ── Empty state ── */
.empty-state {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
    opacity: 0.4;
}

.empty-state p {
    font-size: 0.875rem;
}