:root {
  --ink: #17212b;
  --muted: #6f7b87;
  --subtle: #f6f8fa;
  --line: #e4e9ee;
  --line-strong: #d4dce4;
  --brand: #1769aa;
  --brand-soft: #eaf4fb;
  --success: #228b63;
  --warning: #b97915;
  --danger: #c34d55;
  --shadow: 0 14px 38px rgba(23, 33, 43, 0.12);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #eef2f5;
  font-size: 14px;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(23, 105, 170, 0.24);
  outline-offset: 1px;
}

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(420px, 100%); background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 34px; box-shadow: var(--shadow); }
.eyebrow { color: var(--brand); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.login-card h1 { margin: 10px 0 8px; font-size: 25px; letter-spacing: -.02em; }
.login-card p { color: var(--muted); line-height: 1.65; margin: 0 0 24px; }
.field { display: grid; gap: 7px; margin: 15px 0; }
.field label { color: #465461; font-weight: 600; }
.field input, .field select, .field textarea { border: 1px solid var(--line-strong); border-radius: 7px; padding: 10px 11px; color: var(--ink); background: #fff; }
.field textarea { min-height: 86px; resize: vertical; }
.knowledge-reasons { display: grid; gap: 8px; padding: 4px 0; }
.knowledge-reason { display: flex; align-items: center; gap: 8px; color: #465461; font-weight: 400; }
.knowledge-advanced { margin: 18px 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcfd; }
.knowledge-advanced summary { cursor: pointer; color: #465461; font-weight: 650; }
.primary-button, .quiet-button, .danger-button { border: 1px solid transparent; border-radius: 7px; padding: 9px 13px; font-weight: 600; }
.primary-button { background: var(--brand); color: #fff; }
.primary-button:hover { background: #125a92; }
.quiet-button { color: var(--brand); background: var(--brand-soft); border-color: #d4e8f5; }
.danger-button { background: #fff3f3; color: var(--danger); border-color: #f2d4d6; }
.button-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.form-error, .inline-error { color: var(--danger); background: #fff4f4; border: 1px solid #f1d4d6; border-radius: 7px; padding: 10px 12px; line-height: 1.5; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 232px minmax(0, 1fr); }
.sidebar { background: #17212b; color: #dfe7ee; display: flex; flex-direction: column; padding: 22px 14px; }
.brand { padding: 0 10px 26px; }
.brand-mark { color: #8fd0f4; font-weight: 800; letter-spacing: .1em; font-size: 12px; }
.brand-name { font-size: 18px; font-weight: 700; margin-top: 7px; }
.role-badge { display: inline-flex; margin-top: 12px; color: #bcd4e5; background: rgba(143, 208, 244, .12); border: 1px solid rgba(143, 208, 244, .22); border-radius: 999px; padding: 4px 8px; font-size: 12px; }
.nav-group { display: grid; gap: 4px; }
.nav-label { color: #82909d; font-size: 11px; font-weight: 700; letter-spacing: .08em; padding: 14px 10px 5px; }
.nav-item { border: 0; border-radius: 7px; text-align: left; background: transparent; color: #c9d3dc; padding: 10px; }
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: #244c6c; color: #fff; }
.text-button { appearance: none; border: 0; background: transparent; color: var(--brand); padding: 0; text-align: left; }
.summary-cell { max-width: 460px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.45; }
.tab-row { display: flex; gap: 6px; margin-bottom: 14px; }
.tab-button { border: 1px solid var(--line-strong); border-radius: 7px; color: var(--muted); background: #fff; padding: 8px 15px; font-weight: 650; }
.tab-button.active { color: #fff; border-color: var(--brand); background: var(--brand); }
.sidebar-footer { margin-top: auto; padding: 14px 10px 0; color: #82909d; font-size: 12px; line-height: 1.6; }
.logout-button { margin-top: 10px; border: 0; background: transparent; color: #a9bbc8; padding: 0; }
.logout-button:hover { color: #fff; }

.main-area { min-width: 0; background: #f7f9fb; }
.topbar { min-height: 68px; border-bottom: 1px solid var(--line); background: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0 30px; gap: 18px; }
.topbar h1 { font-size: 20px; margin: 0; letter-spacing: -.02em; }
.topbar-meta { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.status-dot { width: 7px; height: 7px; background: var(--success); border-radius: 50%; display: inline-block; }
.content { padding: 28px 30px 48px; max-width: 1500px; }
.page-intro { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 22px; }
.page-intro h2 { font-size: 23px; margin: 0 0 6px; letter-spacing: -.025em; }
.page-intro p { color: var(--muted); margin: 0; line-height: 1.55; }
.surface { background: #fff; border: 1px solid var(--line); border-radius: 9px; }
.filter-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 14px; margin-bottom: 14px; }
.filter-bar input, .filter-bar select { min-width: 160px; border: 1px solid var(--line-strong); border-radius: 6px; padding: 8px 10px; color: var(--ink); background: #fff; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { border-bottom: 1px solid var(--line); padding: 14px 16px; text-align: left; vertical-align: top; }
th { color: #64717d; background: #fbfcfd; font-size: 12px; font-weight: 700; white-space: nowrap; }
td { color: #33414e; line-height: 1.45; }
tbody tr:hover { background: #fbfdff; }
.primary-text { color: var(--ink); font-weight: 650; }
.secondary-text { color: var(--muted); font-size: 12px; margin-top: 3px; }
.chip { display: inline-flex; align-items: center; gap: 5px; border-radius: 999px; padding: 4px 8px; font-size: 12px; white-space: nowrap; }
.chip-blue { color: #1769aa; background: var(--brand-soft); }
.chip-green { color: var(--success); background: #eaf7f1; }
.chip-amber { color: var(--warning); background: #fff6e7; }
.chip-gray { color: #65727d; background: #f0f3f5; }
.state { display: grid; place-items: center; min-height: 310px; padding: 35px; text-align: center; }
.state-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: var(--subtle); color: var(--brand); font-weight: 800; margin-bottom: 14px; }
.state h3 { margin: 0 0 8px; font-size: 16px; }
.state p { max-width: 410px; margin: 0; color: var(--muted); line-height: 1.65; }
.state-error .state-icon { color: var(--danger); background: #fff1f1; }
.state-permission .state-icon { color: var(--warning); background: #fff6e7; }
.loading-line { height: 4px; background: linear-gradient(90deg, transparent, var(--brand), transparent); animation: loading 1.2s infinite; }
@keyframes loading { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.metric { padding: 16px; }
.metric-label { color: var(--muted); font-size: 12px; }
.metric-value { font-size: 22px; font-weight: 700; margin-top: 8px; }
.metric-note { color: var(--muted); font-size: 12px; margin-top: 5px; }
.stale { color: var(--warning); }

.pairing-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 16px; padding: 20px; }
.pairing-qr { width: 280px; height: 280px; max-width: 40vw; object-fit: contain; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.pairing-launcher { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pairing-launcher select { min-width: 220px; border: 1px solid var(--line-strong); border-radius: 6px; padding: 8px 10px; color: var(--ink); background: #fff; }

.media-list { display: grid; gap: 10px; }
.media-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; }
.close-button { border: 0; background: transparent; color: var(--muted); font-size: 20px; line-height: 1; }
.detail-section { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 20px; }
.detail-section h3 { margin: 0 0 14px; font-size: 14px; }
.message-list { display: grid; gap: 10px; }
.message-item { border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; }
.message-item.outbound { background: #f4f9fc; border-color: #dbeaf3; }
.message-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 11px; margin-bottom: 6px; }
.message-body { white-space: pre-wrap; line-height: 1.6; }
.empty-inline { color: var(--muted); background: var(--subtle); border-radius: 7px; padding: 12px; }
.warning-list { margin-top: 10px; color: var(--warning); background: #fff6e7; border: 1px solid #f0dfbb; border-radius: 7px; padding: 10px 12px; line-height: 1.6; }
.modal-backdrop { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 24px; background: rgba(23,33,43,.46); }
.modal { width: min(920px, 96vw); max-height: 94vh; overflow: auto; box-shadow: var(--shadow); }
.modal-header { position: sticky; top: 0; z-index: 2; display: flex; align-items: start; justify-content: space-between; gap: 20px; padding: 20px 24px; border-bottom: 1px solid var(--line); background: #fff; }
.modal-header h2 { margin: 0 0 5px; font-size: 19px; }
.modal-body { padding: 0 24px 34px; }
.detail-section.first { border-top: 0; margin-top: 0; }
.fact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.fact-grid > div { display: grid; gap: 5px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; }
.fact-grid span { color: var(--muted); font-size: 12px; }
.evidence-list { display: grid; gap: 8px; }
.evidence-card { padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcfd; }
.advice-box { padding: 16px; border-left: 3px solid var(--brand); background: var(--brand-soft); margin-bottom: 12px; }
.version-list { display: grid; gap: 7px; }
.version-list > div { display: grid; grid-template-columns: 70px 1fr 70px; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.fact-list { margin: 0; padding-left: 20px; line-height: 1.7; }
.feedback-popover { max-width: 520px; margin-top: 10px; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: #fbfcfd; }
.editor-form { padding: 20px; }
.editor-form textarea { min-height: 180px; }
.manual-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; align-items: start; }
.manual-layout > aside { position: static; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.section-title h3 { margin: 0; }
.upload-label { display: inline-flex; cursor: pointer; }
.screenshot-card { display: grid; gap: 12px; padding: 14px; margin-bottom: 10px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.screenshot-card.dragging { opacity: .48; border-color: var(--brand); }
.screenshot-thumb { width: 116px; height: 82px; object-fit: cover; border: 1px solid var(--line); border-radius: 7px; background: var(--subtle); }
.screenshot-card > .button-row { justify-content: flex-start; }
.dialogue-preview { display: grid; gap: 6px; margin-top: 8px; padding: 10px; background: var(--subtle); border-radius: 7px; }
.result-panel { padding: 18px; }
.processing-box { display: flex; align-items: center; gap: 12px; padding: 18px; background: var(--brand-soft); border-radius: 8px; }
.stage-list { display: flex; gap: 22px; margin: 8px 0; padding-left: 20px; color: #465461; }
.spinner { width: 24px; height: 24px; border: 3px solid #cde5f5; border-top-color: var(--brand); border-radius: 50%; animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.manual-result { display: grid; gap: 16px; margin: 14px 0; }
.intent-box { padding: 14px; background: var(--brand-soft); border-radius: 8px; }
.intent-box h4, .result-grid h4 { margin: 0 0 8px; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.result-grid section { padding: 12px; border: 1px solid var(--line); border-radius: 8px; }
.result-grid ul { margin: 0; padding-left: 18px; }
.run-history { display: grid; gap: 8px; }
.run-history details { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.run-history summary { cursor: pointer; }
.danger-zone { padding: 14px; border: 1px solid #f0d3d5; border-radius: 8px; }
.danger-zone input { width: 100%; margin: 8px 0; padding: 9px; border: 1px solid var(--line-strong); border-radius: 6px; }
.conversation-page { display: grid; gap: 14px; }
.conversation-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.conversation-identity { display: flex; align-items: center; gap: 14px; min-width: 0; }
.conversation-identity h2 { margin: 0 0 4px; font-size: 20px; overflow-wrap: anywhere; }
.conversation-tools { display: grid; gap: 10px; padding: 12px; }
.conversation-tools form { display: flex; gap: 8px; }
.conversation-tools input { min-width: 0; flex: 1; border: 1px solid var(--line-strong); border-radius: 7px; padding: 9px 10px; }
.search-hit-list { display: grid; gap: 5px; max-height: 170px; overflow: auto; padding-top: 4px; }
.search-hit-list button { display: grid; grid-template-columns: 105px minmax(0, 1fr); gap: 10px; padding: 7px 9px; border-radius: 6px; background: var(--subtle); }
.search-hit-list span { color: var(--muted); font-size: 12px; }
.chat-surface { position: relative; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #e9f0ed; }
.load-older { display: block; width: 100%; border: 0; border-bottom: 1px solid rgba(23,33,43,.08); padding: 9px; color: var(--brand); background: rgba(255,255,255,.82); }
.load-older:disabled { color: var(--muted); cursor: default; }
.chat-scroll { height: min(68vh, 760px); min-height: 460px; overflow-y: auto; padding: 20px 18px 26px; background: linear-gradient(rgba(233,240,237,.92), rgba(233,240,237,.92)), radial-gradient(circle, #b9c9c2 1px, transparent 1.2px); background-size: auto, 18px 18px; }
.chat-list { display: grid; gap: 7px; }
.chat-row { display: flex; justify-content: flex-start; scroll-margin: 140px; }
.chat-row.outbound { justify-content: flex-end; }
.chat-bubble { width: fit-content; max-width: min(72%, 720px); min-width: 110px; padding: 9px 11px 6px; border-radius: 5px 12px 12px 12px; background: #fff; box-shadow: 0 1px 1px rgba(23,33,43,.12); overflow-wrap: anywhere; }
.chat-row.outbound .chat-bubble { border-radius: 12px 5px 12px 12px; background: #d8f1df; }
.bubble-meta { display: flex; justify-content: flex-end; gap: 6px; margin-top: 4px; color: #6f7b78; font-size: 10px; }
.revoked-message { color: var(--muted); font-style: italic; }
.media-bubble { display: grid; gap: 4px; min-width: 190px; margin-bottom: 7px; padding: 16px; border: 0; border-radius: 8px; text-align: left; color: var(--ink); background: rgba(23,105,170,.09); }
.media-bubble.image { min-height: 116px; align-content: end; background: linear-gradient(145deg, #d9e5e9, #bfcfd2); }
.media-bubble small { color: var(--muted); }
.media-bubble.unavailable { opacity: .7; }
.new-message-banner { position: absolute; z-index: 3; right: 20px; bottom: 18px; }
.message-highlight .chat-bubble { outline: 3px solid rgba(23,105,170,.42); outline-offset: 2px; }
.modal.small { width: min(560px, 96vw); }
.media-preview-backdrop { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 24px; background: rgba(19, 29, 39, .62); }
.media-preview { width: min(1100px, 96vw); max-height: 94vh; overflow: auto; border-radius: 12px; background: #fff; box-shadow: 0 24px 60px rgba(16, 27, 37, .3); }
.media-preview > header { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; gap: 20px; padding: 18px 22px; border-bottom: 1px solid var(--line); background: #fff; }
.media-preview-body { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr); min-height: 560px; }
.media-preview-image { display: grid; place-items: center; min-width: 0; padding: 24px; background: #edf1f3; }
.media-preview-image img { max-width: 100%; max-height: 72vh; object-fit: contain; border-radius: 6px; box-shadow: 0 4px 18px rgba(20, 35, 46, .12); }
.media-preview-body aside { padding: 22px; overflow: auto; }
.recognition-result h4 { margin: 16px 0 6px; font-size: 12px; color: var(--muted); }
.recognition-result ul { margin: 0; padding-left: 20px; line-height: 1.6; }
.recognition-result.compact { margin-top: 12px; padding-left: 12px; border-left: 2px solid var(--line); }
.recognition-history-list { margin-top: 22px; }
.recognition-history { padding: 10px 0; border-bottom: 1px solid var(--line); }
.recognition-history summary { cursor: pointer; color: var(--muted); font-size: 12px; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 0; z-index: 15; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 10px 12px; }
  .brand { padding: 0; }
  .brand-name, .role-badge, .sidebar-footer, .brand-mark { display: none; }
  .brand::after { content: "WOLCK"; color: #8fd0f4; font-weight: 800; letter-spacing: .08em; font-size: 12px; }
  .nav-group { display: flex; gap: 3px; overflow-x: auto; }
  .nav-item { flex: 0 0 auto; text-align: center; font-size: 13px; padding: 9px 10px; }
  .content { padding: 22px 18px 40px; }
  .topbar { padding: 0 18px; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .manual-layout { grid-template-columns: 1fr; }
  .manual-layout > aside { position: static; }
}
@media (max-width: 560px) {
  .topbar h1 { font-size: 17px; }
  .topbar-meta { display: none; }
  .content { padding: 18px 12px 30px; }
  .page-intro { align-items: start; flex-direction: column; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric { padding: 12px; }
  .pairing-panel { align-items: start; flex-direction: column; }
  .pairing-qr { width: min(280px, 100%); height: auto; max-width: 100%; }
  .pairing-launcher { width: 100%; }
  .pairing-launcher select, .pairing-launcher button { width: 100%; }
  .media-preview-backdrop { padding: 0; }
  .media-preview { width: 100vw; max-height: 100vh; min-height: 100vh; border-radius: 0; }
  .media-preview-body { grid-template-columns: 1fr; }
  .media-preview-image { min-height: 42vh; padding: 14px; }
  .media-preview-body aside { padding: 18px 14px 32px; }
  .conversation-header { align-items: flex-start; flex-direction: column; }
  .conversation-identity { align-items: flex-start; }
  .conversation-tools form { flex-direction: column; }
  .chat-scroll { height: calc(100vh - 300px); min-height: 420px; padding: 16px 9px 22px; }
  .chat-bubble { max-width: 88%; }
  .search-hit-list button { grid-template-columns: 1fr; }
  .modal-backdrop { padding: 0; }
  .modal { width: 100vw; max-height: 100vh; min-height: 100vh; border-radius: 0; }
  .modal-header, .modal-body { padding-inline: 14px; }
  .fact-grid, .result-grid { grid-template-columns: 1fr; }
  .version-list > div { grid-template-columns: 54px 1fr 42px; }
}