:root {
  color-scheme: light;
  font-family: var(--font-ui);
  color: var(--color-ink);
  background: var(--color-canvas);
  --font-ui: "Noto Sans CJK SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-sans: var(--font-ui);
  --font-serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-document: var(--font-serif);
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
  --color-canvas: #f4f3ef;
  --color-surface: #fffefa;
  --color-surface-subtle: #f8f8f5;
  --color-ink: #202723;
  --color-ink-secondary: #56605a;
  --color-ink-tertiary: #7a837e;
  --color-border: #d9ded9;
  --color-border-strong: #b9c2bc;
  --color-primary: #173f35;
  --color-primary-hover: #0f332a;
  --color-primary-soft: #e8f0ec;
  --color-success: #2f6b4f;
  --color-warning: #8a5b16;
  --color-danger: #9b3933;
  --color-focus: #287d67;
  --color-sidebar: #12362e;
  --color-sidebar-active: #1f5244;
  --color-bg: var(--color-canvas);
  --color-text: var(--color-ink);
  --color-text-muted: var(--color-ink-secondary);
  --color-primary-subtle: var(--color-primary-soft);
  --shadow-panel: 0 1px 2px rgba(18, 44, 34, .04), 0 4px 14px rgba(18, 44, 34, .03);
  --shadow-float: 0 16px 40px rgba(14, 39, 30, .14);
  --radius-control: 6px;
  --radius-panel: 8px;
  --control-height: 38px;
  --ink: var(--color-ink);
  --muted: var(--color-ink-secondary);
  --line: var(--color-border);
  --line-strong: var(--color-border-strong);
  --paper: var(--color-surface);
  --paper-soft: var(--color-surface-subtle);
  --green: var(--color-primary);
  --green-hover: var(--color-primary-hover);
  --green-soft: var(--color-primary-soft);
  --focus: var(--color-focus);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0; min-height: 100vh; display: flex; background: var(--color-canvas);
  color: var(--color-ink); font: 14px/1.55 var(--font-ui);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; transition: background-color .16s ease, border-color .16s ease, color .16s ease, transform .16s ease; }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { cursor: wait; opacity: .64; }
input:focus, select:focus, textarea:focus, button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-focus) 18%, transparent);
  outline-offset: 1px; border-color: var(--focus);
}

.auth-screen {
  min-height: 100vh; width: 100%; display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  background: var(--color-canvas);
}
.auth-stage {
  display: flex; flex-direction: column; justify-content: center;
  padding: 48px clamp(28px, 6vw, 88px); position: relative;
}
.auth-stage::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .55;
  background:
    linear-gradient(180deg, rgba(244, 243, 239, .2), rgba(244, 243, 239, .92)),
    repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(23, 63, 53, .03) 24px);
}
.auth-stage > * { position: relative; z-index: 1; }
.auth-brand-block { max-width: 420px; margin-bottom: 28px; }
.auth-brand-block .brand-mark {
  width: 52px; height: 52px; margin-bottom: 18px; border-radius: 50%;
  border: 1px solid #8fa89d; color: var(--color-primary); background: #f0f4f1;
  font-family: var(--font-document); font-size: 26px; font-weight: 600;
}
.auth-brand-block h1 {
  margin: 0; font-family: var(--font-document); font-size: clamp(28px, 3.2vw, 36px);
  font-weight: 650; letter-spacing: -.02em; color: var(--color-primary);
}
.auth-brand-block .auth-trust {
  margin: 10px 0 0; color: var(--color-ink-secondary); font-size: 14px;
}
.auth-card {
  width: min(420px, 100%); padding: 28px 28px 22px; background: var(--paper);
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow-panel);
}
.auth-card h2 {
  margin: 0 0 6px; font-size: 18px; font-weight: 650;
}
.auth-card .stack-form { margin-top: 16px; }
.auth-card .stack-form button { width: 100%; margin-top: 4px; }
.auth-foot {
  display: flex; flex-wrap: wrap; gap: 18px; margin-top: 36px;
  color: var(--color-ink-tertiary); font-size: 12px;
}
.auth-foot span { display: inline-flex; align-items: center; gap: 6px; }
.auth-foot span::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary);
  opacity: .55;
}
.auth-visual {
  position: relative; overflow: hidden; background: #e7ece7;
  border-left: 1px solid #d2dbd4;
}
.auth-visual-art {
  position: absolute; inset: 8% -10% -18% 12%;
  background:
    linear-gradient(135deg, rgba(23, 63, 53, .08), transparent 42%),
    linear-gradient(210deg, #dfe8e2 0 18%, transparent 18.5%),
    linear-gradient(160deg, #c5d4cc 0 28%, transparent 28.5%),
    linear-gradient(110deg, #eef3ef 0 46%, transparent 46.5%),
    linear-gradient(195deg, #b7c9bf 0 22%, transparent 22.5%),
    linear-gradient(40deg, #f7f8f5, #e4ebe6);
  clip-path: polygon(18% 8%, 92% 0%, 100% 72%, 68% 100%, 8% 86%, 0% 34%);
  box-shadow: inset 0 0 0 1px rgba(23, 63, 53, .06);
}
.auth-visual-art::after {
  content: ""; position: absolute; inset: 18% 22% 28% 14%;
  background: linear-gradient(160deg, rgba(255, 254, 250, .55), rgba(232, 240, 236, .2));
  clip-path: polygon(0 12%, 78% 0, 100% 68%, 24% 100%);
}
.form-error { min-height: 22px; color: #8a2f2a; font-size: 13px; }

.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 220px; padding: 22px 12px 16px;
  background: var(--color-sidebar); color: white; display: flex; flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, .06);
}
.brand { display: flex; align-items: center; gap: 11px; margin: 0 6px 28px; }
.brand-mark {
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid #88a59a; font-family: var(--font-document); font-size: 20px;
  background: rgba(255, 255, 255, .04);
}
.brand strong { font-size: 15px; font-weight: 650; letter-spacing: .01em; }
.brand div, .local-badge div { display: grid; gap: 3px; }
.brand small, .local-badge small { color: #bdd0c8; font-size: 11px; }
nav { display: grid; gap: 3px; }
.nav-item {
  padding: 10px 12px; border: 0; border-radius: 6px; text-align: left;
  color: #d0dfd9; background: transparent; font-size: 13.5px; font-weight: 520;
}
.nav-item:hover { color: white; background: rgba(255, 255, 255, .07); }
.nav-item.active {
  color: white; background: var(--color-sidebar-active);
  box-shadow: inset 3px 0 0 #8fc8b3;
}
.local-badge {
  margin-top: auto; padding: 12px 10px; display: flex; align-items: center;
  gap: 10px; border-top: 1px solid #2d4f45;
}
.local-badge > span { width: 8px; height: 8px; border-radius: 50%; background: #7fd0a7; }
.user-badge {
  margin-top: 8px; padding: 12px 8px; border-top: 1px solid #2d4f45;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.user-badge div { display: grid; gap: 3px; min-width: 0; }
.user-badge strong, .user-badge small { overflow: hidden; text-overflow: ellipsis; }
.user-badge small { color: #bdd0c8; font-size: 11px; }
.user-badge button {
  border: 0; background: transparent; color: #dbe6e2; padding: 6px; font-size: 12px;
}
.user-badge button:hover { color: white; }

main { margin-left: 220px; width: calc(100% - 220px); padding: 22px 24px 28px; }
.view { display: none; max-width: 1600px; margin: 0 auto; }
.view.active { display: block; }
header { display: flex; justify-content: space-between; align-items: end; margin-bottom: 16px; }
h1 {
  margin: 5px 0 0; font-family: var(--font-document); font-size: 28px;
  line-height: 1.3; font-weight: 650; letter-spacing: -.018em;
}
h2 { margin: 0; font-size: 17px; line-height: 1.45; font-weight: 650; }
.eyebrow {
  margin: 0; color: var(--green); font-size: 11px; font-weight: 700;
  letter-spacing: .11em; text-transform: uppercase;
}
.muted { color: var(--muted); line-height: 1.65; }

.workspace-context {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin: -4px 0 14px; color: var(--color-ink-secondary); font-size: 12px;
}
.workspace-context .chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--paper); color: var(--color-ink-secondary);
}
.workspace-context .chip strong { color: var(--color-primary); font-weight: 650; }

.primary {
  min-height: var(--control-height); border: 1px solid var(--green);
  border-radius: var(--radius-control); padding: 8px 16px;
  background: var(--green); color: white; font-weight: 600;
}
.primary:hover { background: var(--green-hover); }
.stack-form { display: grid; gap: 12px; }
.stack-form label { display: grid; gap: 6px; color: var(--color-ink-secondary); font-size: 12px; font-weight: 550; }
.panel {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius-panel); box-shadow: none;
}
.panel-title { min-height: 52px; padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.panel-title span { color: var(--muted); font-size: 12px; }

.workspace-grid {
  display: grid; grid-template-columns: 230px minmax(500px, 1fr) 290px; gap: 12px;
  min-height: calc(100vh - 112px);
}
.matter-list, .file-list { padding: 8px; display: grid; gap: 5px; align-content: start; }
.matter-item, .file-item {
  width: 100%; padding: 11px; border: 1px solid transparent; border-radius: 6px;
  text-align: left; background: transparent;
}
.matter-item:hover { background: var(--color-surface-subtle); border-color: var(--line); }
.matter-item.active {
  background: var(--green-soft); border-color: #b8d3c8;
  box-shadow: inset 3px 0 0 var(--green);
}
.matter-item strong, .file-item strong { display: block; margin-bottom: 5px; }
.matter-item small, .file-item small { color: var(--muted); font-size: 11.5px; line-height: 1.5; }
.processing-pill {
  display: inline-block; margin-top: 8px; padding: 3px 7px; border-radius: 4px;
  font-size: 11px; color: #3d6274; background: #eaf1f4;
}
.processing-processing { color: #3d6274; background: #eaf1f4; }
.processing-queued { color: #6d634c; background: #f3efe5; }
.processing-failed { color: #9b3933; background: #f8eae8; }
.processing-cancelled { color: var(--muted); background: #eceeec; }
.processing-action {
  float: right; margin-top: 6px; padding: 3px 7px; border: 1px solid var(--line);
  border-radius: 4px; background: white; color: var(--green); font-size: 11px;
}
.assistant-panel { display: flex; flex-direction: column; min-height: 620px; overflow: hidden; background: var(--paper); }
.assistant-head { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; }
.assistant-head h2 { margin-top: 5px; }
.assistant-actions { display: flex; align-items: center; gap: 8px; }
.assistant-actions button {
  border: 1px solid var(--line); border-radius: 5px; background: white;
  color: var(--green); padding: 5px 8px; font-size: 12px;
}
.mode-tag {
  height: fit-content; padding: 5px 8px; border: 1px solid #c8dcd3;
  border-radius: 4px; background: var(--green-soft); color: var(--green);
  font-size: 11px; font-weight: 600;
}
.matter-insight-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); background: var(--paper-soft);
}
.matter-insight-strip > div { padding: 11px 16px; border-right: 1px solid var(--line); }
.matter-insight-strip > div:last-child { border-right: 0; }
.matter-insight-strip strong, .matter-insight-strip span { display: block; }
.matter-insight-strip strong { font: 650 19px/1.1 var(--font-sans); color: var(--green); }
.matter-insight-strip span { margin-top: 4px; color: var(--muted); font-size: 11px; }
.answer-area { flex: 1; padding: 22px; overflow-y: auto; background: var(--color-surface-subtle); }
.empty-state { max-width: 440px; margin: 10% auto 0; text-align: center; color: var(--muted); line-height: 1.8; }
.workspace-empty-state {
  max-width: 680px; margin: 30px auto 0; padding: 22px;
  border: 1px solid var(--line); border-radius: 8px; background: white; text-align: left;
}
.empty-state strong { color: var(--ink); font-size: 15px; font-weight: 650; }
.workspace-empty-state > p { max-width: 560px; margin: 8px 0 0; }
.quick-question-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 20px; }
.quick-question-grid button {
  min-height: 42px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--color-surface-subtle); color: var(--green); text-align: left;
  font-size: 12px; font-weight: 550;
}
.quick-question-grid button:hover { border-color: var(--focus); background: var(--green-soft); }
.answer { max-width: 820px; white-space: pre-wrap; line-height: 1.9; font-size: 15px; color: #28312c; }
.citation {
  max-width: 820px; margin-top: 14px; padding: 14px 16px 14px 18px;
  border-left: 3px solid var(--color-primary); border-radius: 0 6px 6px 0;
  background: #f3f6f3; line-height: 1.7;
}
.citation small {
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 6px;
  padding: 2px 8px; border-radius: 999px; border: 1px solid #c5d6ce;
  background: #fffefa; color: var(--green); font-size: 11px; font-weight: 600;
  font-family: var(--font-mono);
}
.citation-button {
  display: block; width: 100%; color: var(--ink); text-align: left;
  border-top: 0; border-right: 0; border-bottom: 0;
}
.citation-button:hover { background: #edf3ef; border-left-color: var(--focus); }
.citation-button::after {
  content: "查看引用原文 →"; display: block; margin-top: 8px;
  color: var(--green); font-size: 12px; font-weight: 600;
}
.ask-box {
  margin: 0 14px 14px; padding: 11px 13px 10px; border: 1px solid var(--line-strong);
  border-radius: 8px; background: white; box-shadow: 0 3px 12px rgba(18, 44, 34, .05);
}
.ask-box:focus-within { border-color: var(--focus); box-shadow: 0 0 0 3px rgba(40, 125, 103, .1); }
.ask-box textarea { resize: vertical; width: 100%; min-height: 58px; border: 0; outline: 0; line-height: 1.65; background: transparent; }
.ask-box > div { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.ask-box small { color: var(--muted); font-size: 11.5px; }
.files-panel, .matters-panel { overflow: hidden; background: var(--paper); }
.compact-form { padding: 12px; display: grid; gap: 10px; border-bottom: 1px solid var(--line); }
.compact-form input, .compact-form button, .stack-form input, .stack-form select {
  width: 100%; min-width: 0; min-height: var(--control-height); padding: 8px 10px;
  border: 1px solid var(--line); border-radius: var(--radius-control); background: white;
}
.compact-form button { color: var(--green); font-weight: 600; }
.field-label { gap: 8px; color: #53605a; font-size: 12px; }
.upload-field {
  min-height: 70px; padding: 11px 12px; place-items: center; align-content: center;
  gap: 6px; border: 1px dashed #aebdb5; border-radius: 9px; background: var(--paper-soft);
  color: var(--green); text-align: center; cursor: pointer;
}
.upload-field:hover { border-color: var(--focus); background: var(--green-soft); }
.upload-field input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.upload-field span { font-weight: 600; }
.upload-field small { max-width: 100%; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.compact-form .upload-submit { padding: 11px; border-color: var(--green); background: var(--green); color: white; }
.compact-form .upload-submit:hover { background: var(--green-hover); }
.inline-check { display: flex; align-items: start; gap: 7px; line-height: 1.4; }
.compact-form .inline-check input { width: auto; margin-top: 2px; }

.knowledge-stat { display: grid; text-align: right; }
.knowledge-stat strong {
  color: var(--green); font: 650 28px/1 var(--font-document);
}
.knowledge-stat span { color: var(--muted); font-size: 12px; }
.knowledge-header {
  display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 16px;
}
.knowledge-header-actions { display: flex; align-items: center; gap: 14px; }
.knowledge-scope-chip {
  padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--paper); color: var(--color-ink-secondary); font-size: 12px;
}
.knowledge-toolbar {
  margin-bottom: 14px; padding: 12px 14px; display: grid;
  grid-template-columns: auto minmax(180px, 1fr) 140px auto; gap: 8px; align-items: center;
}
.knowledge-level-seg {
  display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 3px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--paper-soft);
}
.level-seg {
  border: 0; border-radius: 6px; padding: 7px 10px; background: transparent;
  color: var(--color-ink-secondary); font-size: 12px; font-weight: 550;
}
.level-seg:hover { color: var(--color-primary); background: white; }
.level-seg.active {
  color: white; background: var(--color-primary);
}
.knowledge-toolbar input, .knowledge-toolbar select, .knowledge-toolbar button {
  min-width: 0; padding: 9px 12px; border: 1px solid var(--line);
  border-radius: 6px; background: white;
}
.knowledge-toolbar button { color: var(--green); font-weight: 600; }
.knowledge-grid {
  display: grid; grid-template-columns: 300px minmax(360px, .9fr) minmax(460px, 1.25fr);
  gap: 12px; min-height: calc(100vh - 250px);
}
.knowledge-import-panel { padding: 24px; align-self: start; }
.knowledge-import-panel h2 { font-size: 19px; }
.knowledge-import-panel > .muted { margin: 10px 0 0; font-size: 13px; }
.knowledge-upload-field { min-height: 118px; padding: 22px 16px; }
.knowledge-upload-field span::before {
  content: "＋"; display: block; margin: 0 auto 7px; width: 27px; height: 27px;
  border: 1px solid #92aa9f; border-radius: 50%; line-height: 25px; font-size: 17px;
}
.knowledge-list-panel, .knowledge-detail-panel { overflow: hidden; }
.knowledge-list { padding: 10px; display: grid; gap: 7px; align-content: start; }
.knowledge-item {
  width: 100%; padding: 15px; border: 1px solid transparent; border-radius: 8px;
  background: white; text-align: left;
}
.knowledge-item:hover, .knowledge-item.active {
  border-color: #c7d7d0; background: var(--green-soft);
}
.knowledge-item > div {
  display: flex; justify-content: space-between; align-items: start; gap: 10px;
}
.knowledge-item strong { line-height: 1.45; }
.knowledge-item small { display: block; margin-top: 7px; color: var(--muted); }
.knowledge-badges { display: flex; align-items: center; flex-shrink: 0; gap: 5px; }
.knowledge-badges .level { margin: 0; }
.status { padding: 3px 6px; border-radius: 3px; font-size: 11px; font-weight: 600; }
.status-published { color: var(--color-success); background: #e6f2ec; }
.status-draft { color: var(--color-warning); background: #f7eedc; }
.status-archived { color: var(--muted); background: #eceeec; }
.knowledge-detail-panel { padding: 28px 30px; }
.knowledge-detail-empty { margin-top: 35%; text-align: center; }
.knowledge-detail-head {
  display: flex; justify-content: space-between; align-items: start;
  padding-bottom: 15px; border-bottom: 1px solid var(--line);
}
.knowledge-detail-head > div { display: flex; align-items: center; gap: 8px; }
.knowledge-detail-head h2 { font-family: var(--font-serif); font-size: 20px; }
.knowledge-detail-head .level { margin: 0; }
.knowledge-detail-head button {
  border: 0; background: transparent; color: var(--muted);
}
.knowledge-detail-meta { margin: 14px 0; font-size: 12px; }
.knowledge-actions { display: flex; gap: 8px; padding-bottom: 18px; }
.knowledge-actions button {
  border: 1px solid var(--line); border-radius: 5px; padding: 7px 10px;
  background: white; color: var(--green);
}
.knowledge-actions .primary { background: var(--green); color: white; }
.knowledge-actions .danger {
  color: var(--color-danger); border-color: #dcb8b4; background: #fff7f6;
}
.knowledge-chunks {
  display: grid; gap: 12px; max-height: calc(100vh - 420px); overflow-y: auto;
}
.knowledge-chunks article {
  padding: 18px 20px; border: 1px solid var(--line); border-radius: 8px; background: #fafbf9;
}
.knowledge-chunks article strong { color: var(--green); font-size: 12px; }
.knowledge-chunks article p {
  margin: 10px 0 0; white-space: pre-wrap; line-height: 1.9; font-size: 14px;
  color: #303934;
}
.import-progress { display: grid; gap: 6px; margin-top: 18px; }
.import-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px;
  padding: 9px; border-radius: 5px; background: #f4f6f3; font-size: 12px;
}
.import-row strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.import-row span { color: var(--muted); }
.import-row.success span { color: #216847; }
.import-row.failed span { grid-column: 1 / -1; color: #8a2f2a; }
.import-row button {
  width: fit-content; padding: 4px 7px; border: 1px solid #d6b4b0;
  border-radius: 4px; background: white; color: #8a2f2a;
}
.stack-form { display: grid; gap: 17px; margin-top: 24px; }
label { display: grid; gap: 7px; color: #59605c; font-size: 13px; }
.knowledge-import-panel .stack-form .primary { width: fit-content; }
.level { display: inline-block; margin-right: 8px; padding: 3px 6px; border-radius: 3px; background: var(--green-soft); color: var(--green); font-size: 11px; }
.knowledge-scope-tabs {
  display: flex; align-items: center; gap: 7px; margin: -12px 0 18px;
}
.knowledge-scope-tabs button {
  padding: 9px 14px; border: 1px solid var(--line); border-radius: 6px; background: white;
}
.knowledge-scope-tabs button.active {
  color: white; border-color: var(--green); background: var(--green);
}
.knowledge-scope-tabs span { margin-left: 8px; color: var(--muted); font-size: 12px; }
.evaluation-badge {
  display: inline-block; margin-right: 7px; padding: 3px 7px; border-radius: 4px;
  color: var(--color-warning); background: #f7eedc; font-size: 11px; font-weight: 700;
}
.evaluation-knowledge-notice {
  margin: 12px 0 16px; padding: 11px 13px; border: 1px solid #e0c98d;
  border-radius: 6px; background: #fffaf0; color: var(--color-warning); font-size: 12px;
}
.artifact-grid {
  display: grid; grid-template-columns: 280px minmax(0, 1fr) 300px; gap: 12px;
  align-items: start;
}
.artifact-create-panel { padding: 16px; }
.artifact-create-panel .stack-form .primary {
  width: fit-content;
  min-width: 160px;
}
.artifact-create-panel textarea, .artifact-editor-panel input {
  width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 5px;
}
.artifact-list-title { margin: 16px -16px 8px; }
.artifact-list { display: grid; gap: 6px; max-height: 42vh; overflow: auto; }
.artifact-item {
  border: 1px solid var(--line); border-radius: 6px; background: white;
  padding: 11px; text-align: left;
}
.artifact-item.active {
  border-color: #b8d3c8; background: var(--green-soft);
  box-shadow: inset 3px 0 0 var(--green);
}
.artifact-item strong, .artifact-item small { display: block; }
.artifact-item small { margin-top: 5px; color: var(--muted); }
.artifact-editor-panel { min-height: 740px; overflow: hidden; }
.artifact-toolbar {
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: var(--paper-soft);
}
.artifact-toolbar > div, .artifact-toolbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.artifact-toolbar button {
  border: 1px solid var(--line); border-radius: 5px; padding: 7px 10px; background: white;
  font-size: 12.5px;
}
.artifact-toolbar .primary { background: var(--green); color: white; }
.artifact-document-shell {
  background:
    linear-gradient(90deg, transparent 0 18px, rgba(23, 63, 53, .08) 18px 21px, transparent 21px);
}
.artifact-title-label { display: grid; gap: 6px; padding: 16px 24px 0 36px; }
.artifact-title-label input {
  font-family: var(--font-document); font-size: 20px; font-weight: 650;
  border: 0 !important; border-bottom: 1px solid var(--line) !important;
  border-radius: 0 !important; padding: 8px 0 !important; background: transparent;
}
.artifact-content {
  width: calc(100% - 60px); min-height: 480px; margin: 14px 24px 14px 36px;
  padding: 8px 4px 24px; resize: vertical; border: 0;
  border-radius: 0; line-height: 1.85; font-size: 16px;
  font-family: var(--font-document); background: transparent;
}
.artifact-content:focus { outline: none; }
.artifact-save-row {
  padding: 0 24px 18px 36px; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  border-top: 1px solid var(--line);
}
.artifact-save-row small { color: var(--muted); font-size: 11.5px; max-width: 70%; }
.artifact-verify-rail {
  padding: 0; position: sticky; top: 16px; max-height: calc(100vh - 100px); overflow: auto;
}
.artifact-verify-head {
  padding: 16px 16px 12px; border-bottom: 1px solid var(--line); background: var(--paper-soft);
}
.artifact-verify-head h2 { font-size: 16px; }
.artifact-verify-head p { margin: 6px 0 0; font-size: 12px; }
.artifact-verify-checklist { display: grid; gap: 0; padding: 4px 0; }
.verify-item {
  display: grid; gap: 4px; padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.verify-item strong { font-size: 12px; color: var(--color-ink-secondary); font-weight: 650; }
.verify-item span { font-size: 13px; color: var(--color-ink); }
.verify-item.warn { background: #fffaf0; }
.verify-item.warn span { color: var(--color-warning); }
.artifact-citations { padding: 14px 14px 18px; border-top: 1px solid var(--line); }
.artifact-citations h3 { margin: 0 0 10px; font-size: 13px; color: var(--color-ink-secondary); }
.artifact-citations .citation { margin-top: 8px; max-width: none; padding: 10px 12px; font-size: 12.5px; }
.settings-panel { max-width: 720px; }
.settings-panel > div { display: grid; grid-template-columns: 160px 1fr; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.settings-panel > div:last-child { border-bottom: 0; }
.settings-panel span { color: var(--muted); }
.password-panel {
  max-width: 420px; margin-top: 16px; padding: 20px 22px;
}
.password-panel h2 { margin-bottom: 6px; }
.password-panel > .muted { margin: 0 0 4px; font-size: 13px; }
.password-form { margin-top: 14px; gap: 12px; max-width: 360px; }
.password-form .primary { width: fit-content; min-width: 140px; }
.quality-subtitle { margin: 8px 0 0; }
.quality-empty { padding: 48px; text-align: center; }
.quality-release-card {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px;
  padding: 20px 22px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--paper); margin-bottom: 12px;
}
.quality-release-heading { display: flex; align-items: center; gap: 12px; margin-top: 6px; }
.quality-release-heading h2 { font-family: var(--font-document); font-size: 24px; }
.quality-conclusion {
  padding: 4px 9px; border-radius: 4px; background: #e6f2ec; color: var(--color-success);
  font-size: 12px; font-weight: 700;
}
.quality-conclusion.blocked { background: #f6e3e1; color: var(--color-danger); }
.quality-conclusion.conditional { background: #f7eedc; color: var(--color-warning); }
.quality-gates { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.quality-gate {
  padding: 5px 8px; border: 1px solid var(--line); border-radius: 4px;
  background: var(--paper-soft); color: #315d4c; font-size: 11px;
}
.quality-gate.failed { border-color: #dfb3af; color: #8a2d28; background: #fff6f5; }
.quality-score-wrap {
  min-width: 120px; display: grid; place-content: center; text-align: center;
  border-left: 1px solid var(--line); padding-left: 22px;
}
.quality-score-wrap strong {
  color: var(--green); font-family: var(--font-mono); font-size: 40px; line-height: 1; font-weight: 650;
}
.quality-score-wrap span { margin-top: 8px; color: var(--muted); font-size: 11px; }
.quality-stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-bottom: 14px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--paper); overflow: hidden;
}
.quality-stat-grid > div {
  display: grid; gap: 5px; padding: 16px 18px; border-right: 1px solid var(--line);
}
.quality-stat-grid > div:last-child { border-right: 0; }
.quality-stat-grid strong { font-family: var(--font-mono); font-size: 22px; font-weight: 650; }
.quality-stat-grid span { color: var(--muted); font-size: 12px; }
.quality-chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.quality-chart-panel, .quality-domains-panel, .quality-runs-panel, .quality-detail-panel, .quality-compare-panel { padding: 22px; }
.quality-domains-panel, .quality-runs-panel, .quality-detail-panel, .quality-compare-panel { margin-top: 16px; }
.quality-section-head {
  display: flex; justify-content: space-between; align-items: start; gap: 16px; margin-bottom: 18px;
}
.quality-section-head p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.quality-chart { min-height: 230px; }
.quality-chart svg { display: block; width: 100%; height: 230px; overflow: visible; }
.quality-chart .chart-grid { stroke: #e3e7e4; stroke-width: 1; }
.quality-chart .chart-axis { fill: #68766f; font-size: 11px; }
.quality-chart .chart-label { fill: #4f5d56; font-size: 11px; }
.quality-chart .chart-value { fill: var(--color-primary); font-size: 11px; font-weight: 700; }
.quality-chart .chart-bar { fill: #477963; }
.quality-chart .chart-line-recall { fill: none; stroke: #477963; stroke-width: 2.5; }
.quality-chart .chart-line-mrr { fill: none; stroke: #bf842f; stroke-width: 2.5; }
.quality-chart .chart-line-citation { fill: none; stroke: #66839a; stroke-width: 2.5; }
.quality-chart .chart-point { stroke: white; stroke-width: 2; }
.quality-chart-legend { display: flex; gap: 14px; margin-top: 4px; color: var(--muted); font-size: 11px; }
.quality-chart-legend span::before {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 5px; border-radius: 50%; background: #477963;
}
.quality-chart-legend span:nth-child(2)::before { background: #bf842f; }
.quality-chart-legend span:nth-child(3)::before { background: #66839a; }
.quality-domain-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.quality-domain {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 15px; border: 1px solid var(--line); border-radius: 7px;
}
.quality-domain small { display: block; margin-top: 4px; color: var(--muted); }
.quality-domain-status { width: 9px; height: 9px; border-radius: 50%; background: #4f8a6e; }
.quality-domain-status.warning { background: #bf842f; }
.quality-domain-status.failed { background: #b94a43; }
.quality-run-table-wrap { overflow-x: auto; }
.quality-run-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.quality-run-table th {
  padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--muted);
  text-align: left; font-size: 12px; font-weight: 650;
}
.quality-run-table td { padding: 13px 12px; border-bottom: 1px solid var(--line); }
.quality-run-table tr:last-child td { border-bottom: 0; }
.quality-run-table tbody tr { cursor: pointer; }
.quality-run-table tbody tr:hover { background: var(--paper-soft); }
.quality-run-table .run-conclusion {
  display: inline-block; padding: 3px 7px; border-radius: 999px; background: var(--green-soft); color: var(--green); font-size: 11px;
}
.quality-run-table .run-conclusion.blocked { color: #8a2d28; background: #f4dcda; }
.quality-run-table .run-conclusion.conditional { color: #745712; background: #f3e8c9; }
.quality-detail-meta { margin: -7px 0 18px; }
.quality-metric-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.quality-metric {
  padding: 14px; border: 1px solid var(--line); border-radius: 7px; display: grid; gap: 5px;
}
.quality-metric strong { font-size: 20px; }
.quality-metric span, .quality-metric small { color: var(--muted); font-size: 11px; }
.quality-metric.failed { border-color: #dfb3af; background: #fff8f7; }
.quality-detail-panel h3 { margin: 24px 0 10px; font-size: 14px; }
.quality-evidence-list { display: grid; gap: 8px; }
.quality-evidence {
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  padding: 11px 13px; border: 1px solid var(--line); border-radius: 6px;
}
.quality-evidence small { display: block; color: var(--muted); margin-top: 3px; }
.quality-evidence a { color: var(--green); font-size: 12px; }
.quality-compare-controls {
  display: flex; align-items: end; gap: 12px; flex-wrap: wrap;
}
.quality-compare-controls label { min-width: 210px; }
.quality-compare-controls select { padding: 9px; border: 1px solid var(--line); border-radius: 5px; background: white; }
.quality-compare-controls > span { padding-bottom: 10px; color: var(--muted); }
.quality-compare-result { margin-top: 18px; }
.quality-delta-up { color: #2d7054; }
.quality-delta-down { color: #a73b35; }
.quality-view-switch { display: flex; align-items: center; gap: 7px; }
.quality-view-switch button {
  padding: 8px 11px; border: 1px solid var(--line); border-radius: 6px; background: white;
}
.quality-view-switch button.active { color: white; border-color: var(--green); background: var(--green); }
.quality-view-switch button.primary { color: white; border-color: var(--green); background: var(--green); }
.quality-execution-panel {
  display: grid; grid-template-columns: minmax(260px, 1fr) 260px 200px auto auto;
  align-items: end; gap: 12px; margin-bottom: 14px; padding: 16px 18px;
  border-color: #aecabc; background: #f5faf7;
}
.quality-execution-panel h2 { margin-top: 4px; }
.quality-execution-panel p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.quality-execution-panel select {
  padding: 9px; border: 1px solid var(--line); border-radius: 5px; background: white;
}
.quality-active-run {
  display: grid; grid-template-columns: 240px minmax(180px, 1fr) auto;
  align-items: center; gap: 16px; margin-bottom: 12px; padding: 13px 16px;
  border: 1px solid #d5be81; border-radius: 8px; background: #fffaf0;
}
.quality-active-run div:first-child { display: grid; gap: 3px; }
.quality-active-run span { color: var(--muted); font-size: 11px; }
.quality-progress-track { height: 7px; overflow: hidden; border-radius: 999px; background: #e7e2d5; }
.quality-progress-track span { display: block; width: 0; height: 100%; background: #bf842f; transition: width .25s; }
.quality-case-result-list { display: grid; gap: 7px; }
.quality-case-result {
  display: grid; grid-template-columns: 82px minmax(0, 1fr) 100px 90px;
  align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px;
}
.quality-case-result strong { color: var(--green); font-size: 11px; }
.quality-case-result p { margin: 0; line-height: 1.5; }
.quality-case-result small { display: block; color: var(--muted); }
.quality-case-result-status { font-size: 11px; font-weight: 700; color: #2d7054; }
.quality-case-result-status.failed, .quality-case-result-status.error { color: #a73b35; }
.quality-case-result-status.running { color: #9a6a22; }
.quality-dataset-create-panel { margin-bottom: 16px; padding: 22px; }
.quality-dataset-form {
  display: grid; grid-template-columns: 180px 1fr 180px auto; align-items: end; gap: 12px;
}
.quality-dataset-form input, .quality-dataset-form textarea {
  width: 100%; padding: 9px; border: 1px solid var(--line); border-radius: 5px;
}
.quality-wide-field { grid-column: 1 / -2; }
.quality-dataset-grid { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 16px; }
.quality-dataset-list-panel, .quality-dataset-detail-panel { padding: 22px; min-height: 680px; }
.quality-dataset-list { display: grid; gap: 8px; }
.quality-dataset-item {
  padding: 13px; border: 1px solid var(--line); border-radius: 7px; background: white; text-align: left;
}
.quality-dataset-item.active { border-color: var(--green); background: var(--green-soft); }
.quality-dataset-item strong, .quality-dataset-item small { display: block; }
.quality-dataset-item small { margin-top: 5px; color: var(--muted); }
.quality-dataset-status {
  display: inline-block; margin-right: 6px; padding: 2px 6px; border-radius: 999px;
  background: #f7eedc; color: var(--color-warning); font-size: 11px;
}
.quality-dataset-status.published { color: #20543f; background: #d9ede2; }
.quality-dataset-status.archived { color: var(--muted); background: #e8ebe9; }
.quality-dataset-actions { display: flex; gap: 8px; }
.quality-case-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 22px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.quality-case-toolbar span { color: var(--muted); font-size: 12px; }
.quality-case-editor { margin-top: 14px; padding: 17px; border-radius: 8px; background: var(--paper-soft); }
.quality-case-editor form {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
}
.quality-case-editor input, .quality-case-editor textarea, .quality-case-editor select {
  width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 5px; background: white;
}
.quality-case-question { grid-column: span 2; }
.quality-case-form-actions {
  grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 8px;
}
button.danger { color: var(--color-danger); border-color: #dcb8b4; background: #fff7f6; }
.quality-case-list { display: grid; gap: 8px; margin-top: 14px; }
.quality-case-item {
  display: grid; grid-template-columns: 82px minmax(0, 1fr) auto; gap: 12px;
  align-items: start; padding: 13px; border: 1px solid var(--line); border-radius: 7px; cursor: pointer;
}
.quality-case-item:hover { background: var(--paper-soft); }
.quality-case-item-id { color: var(--green); font-size: 12px; font-weight: 700; }
.quality-case-item p { margin: 0; line-height: 1.6; }
.quality-case-item small { display: block; margin-top: 5px; color: var(--muted); }
.quality-case-risk { padding: 3px 6px; border-radius: 4px; background: #f7eedc; color: var(--color-warning); font-size: 11px; font-weight: 700; }
.quality-case-risk.P0, .quality-case-risk.P1 { color: var(--color-danger); background: #f6e3e1; }
.admin-panel {
  max-width: 1020px; margin-top: 20px; padding: 26px;
  display: grid; grid-template-columns: 360px 1fr; gap: 36px;
}
.admin-panel .stack-form { margin-top: 16px; }
.user-item {
  padding: 12px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 12px;
}
.user-item div { display: grid; gap: 4px; }
.user-item small { color: var(--muted); }
.user-item .user-actions {
  display: flex; align-items: center; gap: 8px; color: var(--muted);
}
.user-actions button, .user-item > button {
  border: 1px solid var(--line); border-radius: 4px; background: white;
  padding: 5px 7px; color: var(--green); font-size: 12px;
}

dialog {
  width: min(580px, calc(100vw - 30px)); border: 1px solid var(--line);
  border-radius: 12px; padding: 0; box-shadow: var(--shadow-float);
}
dialog::backdrop { background: rgba(20, 28, 24, .5); }
dialog form { padding: 28px; display: grid; gap: 20px; }
.dialog-head { display: flex; justify-content: space-between; }
.dialog-head button { border: 0; background: none; color: var(--muted); }
.two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
dialog input { padding: 10px; border: 1px solid var(--line); border-radius: 5px; }
.citation-dialog { width: min(860px, calc(100vw - 40px)); }
.citation-dialog-shell { padding: 30px; }
.citation-dialog .dialog-head { align-items: start; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.citation-dialog .dialog-head h2 { margin-top: 6px; font-family: var(--font-serif); font-size: 23px; }
.citation-dialog-meta { margin: 14px 0 18px; font-size: 12px; }
.citation-context { display: grid; gap: 12px; max-height: 65vh; overflow-y: auto; }
.citation-context article {
  padding: 17px 19px; border-left: 3px solid transparent; border-radius: 7px;
  background: var(--paper-soft); color: var(--muted);
}
.citation-context article.current {
  border-left-color: var(--focus); background: var(--green-soft); color: var(--ink);
}
.citation-context strong { color: var(--green); font-size: 12px; }
.citation-context p { margin: 9px 0 0; white-space: pre-wrap; line-height: 1.85; }
.toast {
  position: fixed; right: 28px; bottom: 28px; max-width: 380px; padding: 14px 18px;
  border-radius: 8px; background: #27332e; color: white; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; transform: translateY(8px);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: #7b302c; }

@media (max-width: 1100px) {
  .auth-screen { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
  .auth-stage { padding: 36px 20px 48px; min-height: 100vh; }
  .workspace-grid, .knowledge-grid, .artifact-grid { grid-template-columns: 1fr; }
  .artifact-verify-rail { position: static; max-height: none; }
  .knowledge-toolbar { grid-template-columns: 1fr 1fr; }
  .knowledge-level-seg { grid-column: 1 / -1; }
  .matter-list, .file-list, .knowledge-list { max-height: 250px; overflow-y: auto; }
  .knowledge-detail-panel { grid-column: auto; min-height: 480px; }
  .admin-panel { grid-template-columns: 1fr; }
  .quality-chart-grid { grid-template-columns: 1fr; }
  .quality-domain-list { grid-template-columns: repeat(2, 1fr); }
  .quality-dataset-grid { grid-template-columns: 1fr; }
  .quality-dataset-list-panel { min-height: auto; }
  .quality-dataset-form { grid-template-columns: 1fr 1fr; }
  .quality-case-editor form { grid-template-columns: 1fr 1fr; }
  .quality-execution-panel { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1500px) {
  main { padding: 24px 26px 32px; }
}
@media (min-width: 1101px) and (max-width: 1500px) {
  .knowledge-grid { grid-template-columns: 300px 1fr; }
  .knowledge-detail-panel { grid-column: 1 / -1; min-height: 480px; }
}
@media (max-width: 760px) {
  .sidebar { position: static; width: 100%; min-height: auto; padding: 16px; }
  body { display: block; }
  .sidebar nav {
    display: flex; gap: 5px; overflow-x: auto; padding-bottom: 4px;
    scrollbar-width: none;
  }
  .sidebar nav::-webkit-scrollbar { display: none; }
  .nav-item { flex: 0 0 auto; padding: 8px 11px; white-space: nowrap; font-size: 12.5px; }
  .brand { margin: 0 2px 14px; }
  .brand-mark { width: 34px; height: 34px; font-size: 19px; }
  .local-badge { display: none; }
  .user-badge { margin-top: 8px; padding: 10px 4px 0; }
  main { margin: 0; width: 100%; padding: 18px 16px 24px; }
  header { align-items: center; gap: 12px; margin-bottom: 14px; }
  h1 { font-size: 25px; }
  header .primary { flex: 0 0 auto; padding-inline: 13px; }
  .workspace-grid, .knowledge-grid, .artifact-grid { grid-template-columns: 1fr; }
  .workspace-grid { min-height: 0; }
  .assistant-panel, .artifact-editor-panel { min-height: 560px; }
  .quick-question-grid { grid-template-columns: 1fr; }
  .knowledge-toolbar { grid-template-columns: 1fr 1fr; }
  .knowledge-toolbar input { grid-column: 1 / -1; }
  .knowledge-detail-panel { grid-column: auto; }
  .admin-panel { grid-template-columns: 1fr; }
  .two-columns { grid-template-columns: 1fr; }
  .quality-release-card { grid-template-columns: 1fr; }
  .quality-score-wrap { border-left: 0; border-top: 1px solid #c9ddd3; padding: 20px 0 0; }
  .quality-stat-grid, .quality-domain-list, .quality-metric-list { grid-template-columns: 1fr 1fr; }
  .quality-dataset-form, .quality-case-editor form { grid-template-columns: 1fr; }
  .quality-wide-field, .quality-case-question { grid-column: auto; }
  .quality-case-item { grid-template-columns: 64px 1fr; }
  .quality-case-risk { grid-column: 2; width: fit-content; }
  .quality-active-run, .quality-case-result { grid-template-columns: 1fr; }
}