:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-soft: #eef2f7;
  --border: #d9dee7;
  --text: #17202a;
  --muted: #667085;
  --accent: #2563eb;
  --success: #087443;
  --warning: #b54708;
  --danger: #b42318;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}
a { color: inherit; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 100dvh; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 20px;
  background: #101828;
  color: #f9fafb;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand span:not(.brand-mark) { display: block; color: #b8c2d6; font-size: 13px; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: #ffffff;
  color: #101828;
  font-weight: 800;
}
.nav { display: grid; gap: 6px; }
.nav a {
  padding: 10px 12px;
  border-radius: 6px;
  color: #d0d5dd;
  text-decoration: none;
}
.nav a.active, .nav a:hover { background: #1d2939; color: #ffffff; }
.account { margin-top: auto; display: grid; gap: 8px; color: #d0d5dd; font-size: 14px; }
.account a { color: #ffffff; }
.main-panel { min-width: 0; padding: 24px; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 28px; line-height: 1.15; }
h2 { margin-bottom: 14px; font-size: 17px; }
.eyebrow { margin-bottom: 6px; color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.muted { color: var(--muted); }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.metric-card, .panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.metric-card { padding: 16px; }
.metric-card span { display: block; color: var(--muted); font-size: 13px; }
.metric-card strong { display: block; margin-top: 8px; font-size: 28px; font-variant-numeric: tabular-nums; }
.panel { padding: 18px; margin-bottom: 16px; }
.panel-header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.split-layout { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 16px; align-items: start; }
.upload-panel { position: sticky; top: 24px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.health-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.status-badge, .scope-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: capitalize;
}
.status-badge.success, .status-badge.indexed { color: var(--success); background: #e8f5ee; }
.status-badge.danger, .status-badge.failed { color: var(--danger); background: #fdecec; }
.status-badge.pending, .status-badge.neutral, .scope-badge { color: #344054; background: #eef2f7; }
.status-badge.extracting, .status-badge.chunking, .status-badge.embedding { color: var(--accent); background: #e9f0ff; }

.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.data-table th, .data-table td { padding: 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.data-table th { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.data-table tbody tr:hover { background: #f9fafb; }
.data-table th:last-child, .data-table td:last-child { text-align: right; }
.data-table td span { display: block; margin-top: 3px; color: var(--muted); font-size: 13px; }
.data-table td, .data-table th, .metric-card strong { font-variant-numeric: tabular-nums; }

.stack { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; color: #344054; font-size: 14px; font-weight: 700; }
input, select, textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  background: #ffffff;
  font: inherit;
}
textarea { resize: vertical; }
button, .button-secondary, .button-danger {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 9px 13px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition-property: background-color, border-color, box-shadow, transform;
  transition-duration: 140ms;
  transition-timing-function: ease-out;
}
button:active { transform: scale(0.98); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.28);
  outline-offset: 2px;
}
.button-secondary { display: inline-flex; align-items: center; background: #ffffff; color: var(--text); border-color: var(--border); }
.button-danger { background: var(--danger); }

.messages { display: grid; gap: 8px; margin-bottom: 16px; }
.message { padding: 10px 12px; border-radius: 6px; background: #eef2f7; border: 1px solid var(--border); }
.message.error { background: #fdecec; color: var(--danger); border-color: #fac5c1; }
.message.success { background: #e8f5ee; color: var(--success); border-color: #b7e1c8; }

.login-screen { min-height: 100dvh; display: grid; place-items: center; padding: 24px; background: var(--bg); }
.login-panel { width: min(420px, 100%); padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.brand.compact { margin-bottom: 22px; color: var(--text); }
.brand.compact span:not(.brand-mark) { color: var(--muted); }
.brand.compact .brand-mark { background: #101828; color: #fff; }

.create-disclosure summary, .department-row summary {
  cursor: pointer;
  list-style: none;
}
.create-disclosure summary::-webkit-details-marker, .department-row summary::-webkit-details-marker { display: none; }
.create-disclosure summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 42px;
  font-weight: 800;
}
.create-disclosure summary::after, .department-row summary::after {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  background: #ffffff;
  font-weight: 800;
}
.create-disclosure[open] summary::after, .department-row[open] summary::after { content: "-"; }
.compact-form { margin-top: 14px; max-width: 640px; }
.department-list { display: grid; gap: 10px; }
.department-row { padding: 0; overflow: hidden; }
.department-row summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, auto) 32px;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
}
.department-summary-main { display: grid; gap: 4px; min-width: 0; }
.department-summary-main strong { font-size: 16px; overflow-wrap: anywhere; }
.department-summary-meta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}
.department-summary-meta b { color: var(--text); }
.department-detail {
  display: grid;
  gap: 14px;
  padding: 0 18px 18px;
  border-top: 1px solid var(--border);
}
.meta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 12px 0; }
.meta-grid dt { color: var(--muted); font-size: 12px; }
.meta-grid dd { margin: 4px 0 0; font-weight: 800; }
.member-section { display: grid; gap: 10px; }
.member-section-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}
.member-section-header h2 { margin-bottom: 0; }
.member-list {
  display: grid;
  gap: 6px;
  max-height: min(560px, 62dvh);
  overflow: auto;
  padding: 2px;
}
.member-row {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) minmax(140px, 1fr) auto auto;
  gap: 8px 12px;
  align-items: center;
  min-height: 46px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fbfcfe;
  font-size: 12px;
}
.member-person { display: grid; gap: 2px; min-width: 0; }
.member-person strong, .member-person small, .member-role { min-width: 0; overflow-wrap: anywhere; }
.member-person small { color: var(--muted); }
.member-row form { justify-self: end; }
.chip-remove {
  min-height: 30px;
  padding: 4px 8px;
  background: transparent;
  border-color: var(--border);
  color: var(--danger);
  font-size: 12px;
}
.no-members { margin-bottom: 0; }
.inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin: 12px 0;
}
.member-add-form { max-width: 680px; }
.danger-zone {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 12px;
  align-items: end;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.danger-zone p { margin-bottom: 0; }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.config-field code { color: var(--muted); font-weight: 500; overflow-wrap: anywhere; }
.config-field small { color: var(--muted); }
.form-footer { margin-top: 16px; }

pre { max-width: 100%; overflow: auto; padding: 12px; background: #101828; color: #f9fafb; border-radius: 6px; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; gap: 12px; padding: 14px 16px; }
  .brand-mark { width: 32px; height: 32px; }
  .account { display: flex; justify-content: space-between; }
  .nav { grid-template-columns: repeat(5, minmax(0, 1fr)); overflow-x: auto; }
  .main-panel { padding: 16px; }
  .metric-grid, .two-column, .split-layout, .department-grid, .settings-grid { grid-template-columns: 1fr; }
  .department-row summary, .danger-zone { grid-template-columns: 1fr; }
  .department-summary-meta { justify-content: flex-start; flex-wrap: wrap; white-space: normal; }
  .department-workspace .department-grid { grid-template-columns: 1fr; }
  .upload-panel { position: static; }
}

@media (max-width: 520px) {
  .page-header { display: grid; }
  h1 { font-size: 24px; }
  .nav { grid-template-columns: repeat(3, minmax(110px, 1fr)); }
  .inline-form { grid-template-columns: 1fr; }
  .member-section-header { display: grid; }
  .member-row { grid-template-columns: 1fr; align-items: start; }
  .member-row form { justify-self: stretch; }
  .member-row .chip-remove { width: 100%; }
  .metric-card strong { font-size: 24px; }
}