/* ── Search page styles (extracted from modern.css, Step 5) ─────────────────
   All rules here are consumed ONLY by search.html / search-ui.js.
   Mixed-selector light-theme rules (.search-scanning-bar + tinbox,
   .answer-block code + viewer/settings)
   remain in modern.css to avoid splitting compound selectors.
   ────────────────────────────────────────────────────────────────────────── */

/* ── Answer block ── */

.answer-block {
    margin-top: 1rem;
    padding: 1rem 1.2rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.answer-block h3 {
    margin: 0 0 0.6rem 0;
}

.answer-block p {
    margin: 0 0 0.6rem 0;
    line-height: 1.6;
    color: var(--text-main);
}

.answer-block ul {
    margin: 0 0 0.7rem 1.2rem;
    padding: 0;
}

.answer-block li {
    margin: 0.2rem 0;
    line-height: 1.5;
    color: var(--text-main);
}

.answer-block code {
    padding: 0.1rem 0.3rem;
    border-radius: 2px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.answer-citation {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.answer-citation:hover {
    color: var(--accent-color);
}

.message-card.search-citation-target {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow), var(--shadow-md);
}

/* ── Search history + index banner ── */

.index-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    margin-bottom: 1rem;
}

/* Prominent top-of-page backfill prompt — only revealed when
   unindexed > 0. Uses the primary accent so it's clearly an
   actionable nudge, not a passive informational chip. */
.backfill-prompt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    padding: 1rem 1.25rem;
    margin: 0.75rem 0 1rem;
    border-radius: var(--radius-md);
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
.backfill-prompt-body {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-width: 0;
}
.backfill-prompt-icon {
    flex: 0 0 auto;
    color: var(--primary-color);
}
.backfill-prompt-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.backfill-prompt-text strong {
    color: var(--text-main);
    font-size: 0.95rem;
}
.backfill-prompt-detail {
    color: var(--text-muted);
    font-size: 0.85rem;
}
.backfill-prompt-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}
.backfill-prompt-cta {
    background: var(--primary-color);
    color: var(--bg-body);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}
.backfill-prompt-cta:hover { filter: brightness(1.08); }
.backfill-prompt-cta:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}
@media (max-width: 720px) {
    .backfill-prompt {
        flex-direction: column;
        align-items: flex-start;
    }
    .backfill-prompt-actions { width: 100%; }
    .backfill-prompt-cta { flex: 1; }
}

.index-banner-text {
    font-size: 0.9rem;
    color: var(--text-main);
}

.index-banner-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.error-list {
    display: grid;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(239, 68, 68, 0.35);
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.error-list .error-item {
    font-family: "SF Mono", "Fira Code", "Menlo", monospace;
    font-size: 0.82rem;
    line-height: 1.4;
    color: var(--danger-color);
    word-break: break-word;
}

.search-history {
    margin-top: 1.5rem;
}

.search-history h3 {
    margin-bottom: 0.5rem;
}

.history-query {
    font-weight: 600;
}

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

/* ======================================================
   Search page – minimalist, tinbox-inspired layout
   ====================================================== */

body.search-page {
    overflow: hidden;
}

body.search-page .app-layout {
    height: 100vh;
}

body.search-page .app-main {
    height: 100vh;
    min-height: 0;
}

body.search-page .app-content {
    max-width: none;
    margin: 0;
    padding: 1.25rem 2rem 0.75rem;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

/* ── Search: content container ── */

.search-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    gap: 0.5rem;
}

/* ── Search: stage area ── */

.search-stage {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    gap: 0.5rem;
    overflow-y: auto;
}

/* ── Search: header ── */

.search-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.search-header h1 {
    margin: 0;
    font-size: 1.75rem;
}

/* ── Search: compact form ── */

.search-form-compact {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-shrink: 0;
}

.search-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.search-input-row textarea {
    flex: 1;
    min-height: 0;
    resize: vertical;
}

.search-input-row button {
    flex-shrink: 0;
    align-self: flex-end;
    min-width: 116px;
    height: 46px;
}

/* ── Search: compact buttons inside tools / forms ── */

.search-tools button,
.backfill-form-row button,
.search-form-compact button {
    font-size: 0.8rem;
    padding: 0.45rem 0.9rem;
}

.search-tools button.secondary,
.backfill-form-row button.secondary {
    font-size: 0.78rem;
    padding: 0.35rem 0.7rem;
}

/* ── Search: history items (override default button gradient) ── */

button.search-history-item,
button.search-history-item:not(.secondary):not(.danger) {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: none;
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 400;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.35rem;
    text-align: left;
    width: 100%;
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

button.search-history-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--line-strong);
    box-shadow: none;
    transform: none;
}

/* ── Search: tools (<details>) ── */

.search-tools {
    border: none;
    border-radius: 0;
    padding: 0;
    background: transparent;
    flex-shrink: 0;
}

.search-tools summary {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.35rem 0;
    list-style: none;
    user-select: none;
    transition: color var(--transition-fast);
    opacity: 0.7;
}

.search-tools summary:hover {
    color: var(--text-main);
    opacity: 1;
}

.search-tools summary::-webkit-details-marker {
    display: none;
}

.search-tools summary::after {
    content: "+";
    float: right;
    font-weight: 400;
}

.search-tools[open] summary::after {
    content: "\2212";
}

/* ── Search: filters grid ── */

.search-filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.75rem;
    padding: 0.5rem 0;
}

/* ── Search: results list ── */

.search-results-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.search-result-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}
.search-pinned-list {
    margin-bottom: 0.5rem;
}
.search-pinned-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: rgba(var(--primary-rgb, 99 102 241), 0.15);
    border-radius: 4px;
    font-size: 0.75rem;
    margin: 0.125rem;
    cursor: pointer;
}
.search-pinned-item .pin-icon { font-size: 0.65rem; }
.search-pinned-item .unpin-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 2px;
    font-size: 0.75rem;
}

.search-results-list {
    flex-shrink: 0;
}

/* Trial index_scope disclosure — quiet footnote under results / empty state. */
.search-index-scope-note {
    margin: 0.75rem 0 0;
    padding-top: 0.65rem;
    border-top: 1px solid var(--rule);
    font-size: 0.8rem;
    line-height: 1.45;
    color: var(--text-faint);
}

.search-index-scope-note--empty {
    margin: 0 0 0.85rem;
    padding: 0.65rem 0 0.75rem;
    border-top: 0;
    border-bottom: 1px solid var(--rule);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ── Search: index management panel ── */

.search-index-panel {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.backfill-form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

/* ── Search: scanning animation ── */

@keyframes search-scan {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

@keyframes search-pulse {
    0%, 100% { opacity: 0.4; }
    50%      { opacity: 1; }
}

.search-scanning {
    position: relative;
    overflow: hidden;
    pointer-events: none;
}

.search-scanning::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), 0.05), transparent);
    animation: search-scan 1.8s ease-in-out infinite;
    z-index: 1;
}

.search-scanning-bar {
    height: 2px;
    background: rgba(var(--primary-rgb), 0.08);
    border-radius: 1px;
    overflow: hidden;
    margin: 0.35rem 0;
    flex-shrink: 0;
}

.search-scanning-bar::after {
    content: "";
    display: block;
    height: 100%;
    width: 40%;
    background: var(--primary-color);
    border-radius: 1px;
    animation: search-scan 1.4s ease-in-out infinite;
}

.search-status-searching {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    animation: search-pulse 1.6s ease-in-out infinite;
    transition: opacity 0.3s ease;
}

.search-status-searching::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
    flex-shrink: 0;
    animation: search-pulse 1.6s ease-in-out infinite;
}

/* ── Search: bottom metrics bar ── */

.search-metrics {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.125rem;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 0.5rem;
}

.search-metric {
    min-width: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0.45rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
    color: var(--text-muted);
    position: relative;
}

.search-metric .metric-label {
    margin: 0;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.search-metric .metric-value {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
}

/* ── Index info tooltip ── */
.index-info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    font-size: 0.5rem;
    font-weight: 600;
    font-style: italic;
    cursor: pointer;
    vertical-align: middle;
    margin-left: 3px;
    transition: color 0.15s, border-color 0.15s;
}
.index-info-icon:hover,
.index-info-icon:focus {
    color: var(--primary-color);
    border-color: var(--primary-color);
}
.index-info-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    padding: 10px 14px;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-main);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 100;
    min-width: 220px;
    white-space: normal;
    text-transform: none;
    letter-spacing: normal;
}
.index-info-tooltip.visible {
    display: block;
}
.index-info-tooltip strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.82rem;
}
.index-info-tooltip ul {
    margin: 0;
    padding-left: 16px;
}
.index-info-tooltip ul li {
    margin-bottom: 2px;
}

/* ── Search: responsive ── */

@media (max-width: 900px) {
    body.search-page .app-content {
        padding: 1rem 1.25rem;
    }
}

@media (max-width: 600px) {
    body.search-page .app-content {
        padding: 0.75rem;
    }

    .search-input-row {
        flex-direction: column;
    }

    .search-input-row button {
        align-self: stretch;
    }

    .search-filters-grid {
        grid-template-columns: 1fr;
    }

    .search-metrics {
        gap: 0;
    }

    .search-metric {
        padding: 0.4rem 0.6rem;
    }

    .search-header h1 {
        font-size: 1.4rem;
    }
}

/* ────────────────────────────────────────
   Search Expand/Collapse All
   ──────────────────────────────────────── */
.search-expand-toggle {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.5rem;
}
.search-expand-toggle button {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
}

/* ── Light-theme overrides (search-specific) ── */