/* ===== Shared compact model dropdown shell ===== */
        .model-dropdown-wrap {
            position: relative;
            margin: 8px 10px;
        }
        .model-dropdown-btn {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 40px;
            padding: 8px 12px;
            border-radius: 8px;
            background: var(--bg-input, rgba(255, 255, 255, 0.86));
            border: 1px solid var(--border, rgb(209 213 219));
            color: var(--text, rgb(31 41 55));
            font-size: 13px;
            cursor: pointer;
            transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
        }
        .model-dropdown-btn:hover,
        .model-dropdown-btn:focus-visible {
            border-color: var(--accent, rgb(234 88 12));
            box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent, rgb(234 88 12)) 14%, transparent);
            outline: none;
        }
        .model-dropdown-btn .model-dd-name {
            flex: 1;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            text-align: left;
            font-weight: 600;
        }
        .model-dropdown-btn .model-dd-chevron {
            margin-left: 8px;
            color: var(--text-muted, rgb(107 114 128));
            font-size: 10px;
            transition: transform 0.2s;
        }
        .model-dropdown-btn.open .model-dd-chevron {
            transform: rotate(180deg);
        }
        .model-dropdown-list {
            display: none;
            position: absolute;
            top: calc(100% + 4px);
            left: 0;
            right: 0;
            z-index: 80;
            max-height: min(420px, 65vh);
            overflow-x: hidden;
            overflow-y: auto;
            padding: 10px;
            border: 1px solid var(--border, rgb(209 213 219));
            border-radius: 10px;
            background: var(--bg-card, rgb(255 255 255));
            color: var(--text, rgb(31 41 55));
            box-shadow: 0 16px 36px var(--shadow, rgba(15, 23, 42, 0.18));
        }
        .model-dropdown-list.open {
            display: block;
        }
        .dark .model-dropdown-btn {
            background: rgba(31, 41, 55, 0.92);
            border-color: rgb(75 85 99);
            color: rgb(243 244 246);
        }
        .dark .model-dropdown-list {
            background: rgb(17 24 39);
            border-color: rgb(75 85 99);
            color: rgb(243 244 246);
        }

        /* ===== Model selector ===== */
        .model-list { list-style: none; }
        .model-section-label {
            font-size: 10px; font-weight: 700; color: var(--text-muted);
            text-transform: uppercase; letter-spacing: 0.5px; padding: 8px 10px 4px;
        }
        .model-item {
            display: flex; align-items: center; justify-content: space-between;
            padding: 8px 10px; border-radius: 6px; cursor: pointer;
            transition: background 0.15s; font-size: 13px;
        }
        .model-item:hover { background: var(--bg-input); }
        .model-item.selected { background: var(--accent-glow); color: var(--accent); font-weight: 600; }
        .model-multiplier {
            font-size: 10px; padding: 1px 6px; border-radius: 4px;
            background: var(--bg-input); border: 1px solid var(--border);
        }
        .model-multiplier.free { color: var(--green); border-color: var(--green); }
        .model-multiplier.premium { color: var(--orange); border-color: var(--orange); }
        .model-multiplier.ultra { color: var(--red); border-color: var(--red); }
        .model-spoiler { cursor: pointer; padding: 6px 10px; font-size: 11px; color: var(--text-muted); }
        .model-spoiler:hover { color: var(--accent); }
        .model-secondary { display: none; }
        .model-secondary.open { display: block; }
        .model-separator {
            list-style: none; padding: 6px 10px 2px; margin-top: 4px;
            border-top: 1px solid var(--border);
        }
        .model-separator.provider-model-tools {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .provider-model-tools {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            list-style: none;
        }
        .provider-model-selector-tools {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            list-style: none;
            margin: 0;
            padding: 6px 10px;
            border: 0;
            scrollbar-width: thin;
        }
        .provider-model-selector-tools .provider-model-selector-providers,
        .provider-model-selector-tools .main-provider-radio-group {
            display: inline-flex;
            align-items: center;
            flex: 1 0 auto;
            flex-wrap: nowrap;
            white-space: nowrap;
        }

        .provider-model-selector-state,
        .provider-model-operation-status {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            padding: 0.55rem 0.7rem;
            border-radius: 0.65rem;
            font-size: 0.78rem;
        }

        .provider-model-selector-state-label,
        .provider-model-readiness {
            font-size: 0.68rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .provider-model-selector-state.state-loading { background: rgba(59, 130, 246, 0.1); }
        .provider-model-selector-state.state-degraded { background: rgba(245, 158, 11, 0.12); }
        .provider-model-selector-state.state-unavailable { background: rgba(239, 68, 68, 0.1); }

        .provider-model-selector-row .provider-model-readiness {
            margin-left: auto;
            opacity: 0.7;
        }
        .provider-model-selector-slot,
        .provider-model-selector-list {
            width: 100%;
            min-width: 0;
            box-sizing: border-box;
        }
        .provider-model-selector-list {
            max-height: min(56vh, 520px);
            overflow-x: hidden;
            overflow-y: auto;
        }
        .provider-model-selector-row:focus-visible {
            outline: 2px solid #6366f1;
            outline-offset: -2px;
        }
        @media (max-width: 640px) {
            .provider-model-selector-slot { max-width: calc(100vw - 24px); }
            .provider-model-selector-tools { padding-inline: 8px; }
            .provider-model-selector-row { min-height: 44px; }
        }
        .codex-reasoning-effort-row {
            justify-content: space-between;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .codex-routing-mode-row,
        .codex-reasoning-effort-row {
            flex-wrap: wrap;
            min-width: 0;
        }
        .codex-routing-mode-row > .codex-effort-label,
        .codex-reasoning-effort-row > .codex-effort-label {
            flex: 1 0 100%;
        }
        .codex-routing-mode-row .codex-effort-segments,
        .codex-reasoning-effort-row .codex-effort-segments {
            display: grid;
            width: 100%;
            min-width: 0;
        }
        .codex-routing-mode-row .codex-effort-segments {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }
        .codex-reasoning-effort-row .codex-effort-segments {
            grid-template-columns: repeat(auto-fit, minmax(42px, 1fr));
        }
        .codex-routing-mode-row .codex-effort-segment,
        .codex-reasoning-effort-row .codex-effort-segment {
            min-width: 0;
        }
        .codex-routing-mode-segment {
            white-space: normal;
            overflow-wrap: anywhere;
            line-height: 1.2;
        }
        .codex-effort-label {
            font-size: 11px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
        }
        .codex-effort-segments {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            padding: 2px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: var(--bg-input);
        }
        .codex-effort-segment {
            border: 0;
            border-radius: 4px;
            padding: 4px 7px;
            background: transparent;
            color: var(--text-muted);
            font-size: 11px;
            font-weight: 700;
            cursor: pointer;
        }
        .codex-effort-segment:hover,
        .codex-effort-segment.active {
            background: var(--accent);
            color: #fff;
        }
        .main-provider-radio-group {
            flex: 1 1 auto;
            min-width: 0;
        }
        .model-separator-label {
            font-size: 10px; font-weight: 700; color: var(--text-muted);
            text-transform: uppercase; letter-spacing: 0.5px;
        }
        .model-item.provider-neutral small { color: var(--text-muted); font-weight: 400; }

        /* ===== Model source items ===== */
        .model-item.provider-neutral {
            display: flex; flex-direction: row; gap: 0;
            padding: 6px 10px; align-items: center; justify-content: flex-start;
        }
        .model-item.provider-neutral .pn-model-name {
            flex: 1 1 auto; display: flex; align-items: center; gap: 4px;
            min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
            font-weight: 500; font-size: 13px;
        }
        .model-item.provider-neutral.disabled { opacity: 0.5; cursor: not-allowed; }
        .pn-tools-badge {
            display: inline-flex; align-items: center; justify-content: center; gap: 2px;
            margin-left: 4px; padding: 1px 4px; border-radius: 4px;
            font-size: 10px; font-weight: 700; line-height: 1.25;
            border: 1px solid var(--border); background: var(--bg-input);
            color: var(--text-muted); vertical-align: middle; white-space: nowrap;
        }
        .model-item.provider-neutral .pn-tools-badge { flex: 0 0 auto; margin-left: 3px; max-width: 56px; }
        .model-item.provider-neutral .pn-model-name .pn-tools-badge:first-of-type { margin-left: auto; }
        .model-item.provider-neutral .pn-tools-badge-value { overflow: hidden; text-overflow: ellipsis; }
        .pn-tools-badge-icon { font-size: 10px; line-height: 1; opacity: 0.9; }
        .pn-tools-badge-value { font-variant-numeric: tabular-nums; }
        .pn-tools-badge-bench { color: var(--text-muted); border-color: color-mix(in srgb, var(--text-muted) 35%, var(--border)); }
        .pn-tools-badge-price { color: var(--text); border-color: color-mix(in srgb, var(--text-muted) 35%, var(--border)); }
        .pn-tools-badge-ok { color: var(--green); border-color: color-mix(in srgb, var(--green) 45%, var(--border)); }
        .pn-tools-badge-danger { color: var(--red); border-color: color-mix(in srgb, var(--red) 45%, var(--border)); }
        .pn-tools-badge-warn { color: var(--orange); border-color: color-mix(in srgb, var(--orange) 45%, var(--border)); }
        .pn-tools-badge-neutral { color: var(--text-muted); }

        /* Legacy switcher kept for test compatibility */
        .provider-switcher-wrap { padding: 4px 10px !important; justify-content: center !important; }
        .provider-switcher {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--bg-input, rgba(128,128,128,0.08));
            border-radius: 6px; padding: 2px 4px;
        }
        .provider-switcher-label { font-size: 10px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
        .provider-switch-btn {
            display: inline-block; padding: 2px 10px; border-radius: 4px;
            font-size: 11px; font-weight: 600; cursor: pointer;
            color: var(--text-muted); transition: all 0.15s;
        }
        .provider-switch-btn:hover { color: var(--accent); }
        .provider-switch-btn.active {
            background: var(--accent); color: #fff;
        }

        .simple-agent-routing {
            display: none; /* Regression fix: removed from sidebar, kept for settings modal */
        }
        .simple-agent-field {
            display: grid;
            gap: 4px;
            min-width: 0;
        }
        .simple-agent-field span {
            font-size: 10px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
        }
        .simple-agent-field select {
            width: 100%;
            min-width: 0;
            height: 30px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: var(--bg-input);
            color: var(--text);
            font-size: 12px;
            padding: 0 8px;
        }

        /* Legacy per-model provider chips removed — global provider switcher is now the single UI pattern */

        /* ===== Pricing button in dropdown ===== */
        .pricing-info-btn {
            font-size: 10px; font-weight: 600; color: var(--text-muted);
            cursor: pointer; padding: 2px 8px; border-radius: 8px;
            border: 1px solid var(--border); transition: all 0.15s;
            white-space: nowrap;
        }
        .pricing-info-btn.compact { flex: 0 0 auto; }
        .pricing-info-btn:hover { color: var(--accent); border-color: var(--accent); }
        .provider-model-price-btn {
            box-sizing: border-box;
            height: 18px;
            min-height: 0;
            padding: 2px 6px;
            border: 1px solid var(--border);
            border-radius: 4px;
            background: transparent;
            color: var(--text-muted);
            font: inherit;
            font-size: 11px;
            line-height: normal;
        }
        .provider-model-selector-tools .main-provider-radio {
            box-sizing: border-box;
            height: 18px;
        }
        .provider-model-price-btn:hover,
        .provider-model-price-btn:focus-visible {
            color: var(--accent);
            border-color: var(--accent);
            outline: none;
        }

        /* ===== Pricing modal ===== */
        .pricing-modal-overlay {
            position: fixed; inset: 0; background: rgba(0,0,0,0.5);
            display: flex; align-items: center; justify-content: center;
            z-index: 10000;
        }
        .pricing-modal {
            background: var(--bg); border: 1px solid var(--border); border-radius: 12px;
            width: 90vw; max-width: 1400px; max-height: 80vh; display: flex;
            flex-direction: column; overflow: hidden;
        }
        .pricing-modal-header {
            display: flex; justify-content: space-between; align-items: center;
            padding: 14px 18px; border-bottom: 1px solid var(--border);
        }
        .pricing-modal-title { font-size: 14px; font-weight: 700; }
        .pricing-modal-close {
            background: none; border: none; font-size: 18px; cursor: pointer;
            color: var(--text-muted); padding: 4px 8px; border-radius: 6px;
        }
        .pricing-modal-close:hover { background: var(--bg-input); }
        .pricing-modal-body { overflow-y: auto; padding: 14px 18px; flex: 1; }
        .pricing-generate-btn {
            font-size: 11px; font-weight: 600; padding: 4px 10px;
            border-radius: 6px; border: 1px solid var(--border);
            background: var(--bg-input); color: var(--text); cursor: pointer;
            transition: all 0.15s;
        }
        .pricing-generate-btn:hover { border-color: var(--accent); color: var(--accent); }
        .pricing-report-link {
            font-size: 11px; color: var(--accent); text-decoration: none;
        }
        .pricing-report-link:hover { text-decoration: underline; }
        .pricing-table { width: 100%; border-collapse: collapse; font-size: 12px; }
        .pricing-table th {
            text-align: left; padding: 6px 8px; font-weight: 600;
            border-bottom: 2px solid var(--border); color: var(--text-muted);
            font-size: 11px; text-transform: uppercase;
            position: sticky; top: 0; background: var(--bg);
        }
        .pricing-table td {
            padding: 5px 8px; border-bottom: 1px solid var(--border); white-space: nowrap;
        }
        .pricing-table tr:hover td { background: var(--bg-input); }
        .pricing-table-compact td { vertical-align: top; }
        .pricing-modal-toolbar {
            display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
            padding: 0 0 12px;
        }
        .pricing-action-status {
            font-size: 11px; color: var(--text-muted); padding: 3px 7px;
            border: 1px solid var(--border); border-radius: 6px; background: var(--bg-input);
        }
        .pricing-action-result { margin-bottom: 10px; }
        .pricing-model-name {
            max-width: 260px; white-space: normal; line-height: 1.25; font-weight: 600;
        }
        .pricing-price-stack {
            display: grid; gap: 2px; font-size: 11px; line-height: 1.2;
        }
        .pricing-row-actions {
            display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
        }
        .pricing-action-btn {
            font-size: 11px; font-weight: 600; padding: 4px 7px; border-radius: 6px;
            border: 1px solid var(--border); background: var(--bg-input); color: var(--text);
            cursor: pointer;
        }
        .pricing-action-btn:hover { border-color: var(--accent); color: var(--accent); }
        .pricing-action-btn.primary {
            background: color-mix(in srgb, var(--accent) 12%, var(--bg-input));
        }
        .pricing-action-btn.danger {
            color: #e74c3c;
            border-color: rgba(231,76,60,0.45);
            background: rgba(231,76,60,0.08);
            margin-top: 8px;
        }
        .pricing-progress-bar {
            width: 100%;
            height: 8px;
            border-radius: 999px;
            background: var(--bg);
            border: 1px solid var(--border);
            overflow: hidden;
            margin: 8px 0;
        }
        .pricing-progress-bar span {
            display: block;
            height: 100%;
            background: var(--accent);
            transition: width 0.25s ease;
        }
        .pricing-status-pill {
            display: inline-flex; align-items: center; min-height: 20px; padding: 2px 7px;
            border-radius: 999px; border: 1px solid var(--border); background: var(--bg-input);
            font-size: 11px; font-weight: 700;
        }
        .pricing-status-pill.ok { color: var(--green); border-color: color-mix(in srgb, var(--green) 40%, var(--border)); }
        .pricing-status-pill.warn,
        .pricing-status-pill.danger { color: #e74c3c; border-color: rgba(231,76,60,0.45); }
        .pricing-status-pill.neutral { color: var(--text-muted); }
        .pricing-muted { color: var(--text-muted); font-size: 11px; }
        .pricing-provider-tag {
            display: inline-block; padding: 1px 6px; border-radius: 6px;
            font-size: 10px; font-weight: 600; background: var(--bg-input);
            border: 1px solid var(--border);
        }
        .pricing-badge { font-weight: 700; }
        .pricing-badge-ok { color: var(--green); }
        .pricing-badge-warn { color: var(--text-muted); }
        .model-fallback-check {
            width: 14px;
            height: 14px;
            margin: 0 7px 0 0;
            flex: 0 0 auto;
            accent-color: var(--accent);
            cursor: pointer;
        }
        .model-item.disabled .model-fallback-check {
            cursor: not-allowed;
            opacity: 0.45;
        }

        /* ===== Section tabs in unified pricing modal ===== */
        .pricing-section-tabs {
            display: flex; gap: 0; border-bottom: 1px solid var(--border);
            padding: 0 18px; background: var(--bg-input); flex-shrink: 0;
        }
        .pricing-tab {
            padding: 8px 16px; font-size: 12px; font-weight: 600;
            border: none; background: transparent; color: var(--text-muted);
            cursor: pointer; border-bottom: 2px solid transparent;
            transition: all 0.15s;
        }
        .pricing-tab:hover { color: var(--text); }
        .pricing-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

        /* ===== KFC cache evidence cards ===== */
        .kfc-cache-card {
            padding: 12px 14px; border-radius: 8px; border: 1px solid var(--border);
            background: var(--bg-input); margin-bottom: 10px;
        }
        .kfc-cache-card.kfc-cache-ok { border-left: 3px solid var(--green); }
        .kfc-cache-card.kfc-cache-warn { border-left: 3px solid #f39c12; background: rgba(243,156,18,0.05); }
        .kfc-cache-card.kfc-cache-err { border-left: 3px solid #e74c3c; background: rgba(231,76,60,0.05); }
        .kfc-cache-status { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
        .kfc-cache-detail { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; line-height: 1.4; }
        .kfc-cache-metrics { display: flex; flex-wrap: wrap; gap: 6px 16px; }
        .kfc-cache-metric { font-size: 12px; white-space: nowrap; }
        .kfc-cache-metric b { color: var(--text-muted); }
        .kfc-cache-na { color: var(--text-muted); }
        .kfc-cache-raw { margin-top: 8px; }
        .kfc-cache-raw summary {
            font-size: 11px; color: var(--text-muted); cursor: pointer;
            padding: 4px 0; user-select: none;
        }
        .kfc-cache-raw summary:hover { color: var(--accent); }
        .kfc-cache-raw pre {
            background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
            padding: 10px; font-size: 10px; max-height: 300px; overflow: auto;
            white-space: pre-wrap; word-break: break-all;
            font-family: 'Cascadia Code', 'Fira Code', monospace;
        }