/* ─── Design tokens ──────────────────────────────────────────────────────── */
:root {
  --color-primary:         #176b5b;
  --color-primary-hover:   #125447;
  --color-primary-subtle:  #e8f5f1;
  --color-secondary:       #8a4b13;
  --color-surface:         #ffffff;
  --color-surface-raised:  #f6faf8;
  --color-background:      #eef3f0;
  --color-on-surface:      #18211f;
  --color-muted:           #5f6d68;
  --color-outline:         #d0dbd6;
  --color-error:           #ba1a1a;
  --color-error-subtle:    #ffdad6;
  --color-success:         #1b7f42;
  --color-success-subtle:  #def7e8;
  --color-warning:         #6f4d00;
  --color-warning-subtle:  #fff4d6;
  --color-warning-border:  #d6a629;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 3px rgba(24,33,31,.08), 0 4px 16px rgba(24,33,31,.06);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-on-surface);
  background: var(--color-background);
  min-height: 100vh;
}

button { font-family: inherit; font-size: inherit; cursor: pointer; }
input, select { font-family: inherit; font-size: inherit; }
code { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }

/* ─── Top bar ────────────────────────────────────────────────────────────── */
.top-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-outline);
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.top-bar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.auth-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-outline);
}

.auth-badge.neutral { background: var(--color-surface-raised); color: var(--color-muted); }
.auth-badge.success { background: var(--color-success-subtle); color: var(--color-success); border-color: #8fd4ab; }
.auth-badge.error   { background: var(--color-error-subtle);   color: var(--color-error);   border-color: #f4aba6; }

/* Token bar */
.token-bar { border-top: 1px solid var(--color-outline); background: var(--color-surface-raised); }
.token-bar.hidden { display: none !important; }
.token-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ─── Tab nav ────────────────────────────────────────────────────────────── */
.tab-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-outline);
}

.tab-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
}

.tab-btn {
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 120ms, border-color 120ms;
  white-space: nowrap;
}

.tab-btn:hover { color: var(--color-on-surface); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ─── Page layout ────────────────────────────────────────────────────────── */
.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 24px 56px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.two-col {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .two-col { grid-template-columns: 55fr 45fr; }
}

/* ─── Card ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-card);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-on-surface);
}

.card-subtitle {
  margin-top: 3px;
  font-size: 12px;
  color: var(--color-muted);
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  border: none;
  cursor: pointer;
  transition: background 120ms, transform 80ms;
  white-space: nowrap;
}

.primary-btn:hover  { background: var(--color-primary-hover); }
.primary-btn:active { transform: translateY(1px); }

.secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-on-surface);
  font-weight: 600;
  font-size: 13px;
  border: 1px solid var(--color-outline);
  cursor: pointer;
  transition: background 120ms, border-color 120ms, transform 80ms;
  white-space: nowrap;
}

.secondary-btn:hover  { background: var(--color-primary-subtle); border-color: var(--color-primary); }
.secondary-btn:active { transform: translateY(1px); }

.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 34px;
  border-radius: var(--radius-md);
  background: none;
  color: var(--color-muted);
  font-weight: 600;
  font-size: 13px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}

.ghost-btn:hover { background: var(--color-surface-raised); color: var(--color-on-surface); border-color: var(--color-outline); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: none;
  border: 1px solid var(--color-outline);
  color: var(--color-muted);
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 120ms, color 120ms;
}

.icon-btn:hover { background: var(--color-surface-raised); color: var(--color-on-surface); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

/* ─── Form controls ──────────────────────────────────────────────────────── */
.control-input {
  height: 38px;
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-on-surface);
  padding: 0 12px;
  font-size: 13px;
  outline: none;
  width: 100%;
  transition: border-color 120ms, box-shadow 120ms;
}

.control-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(23,107,91,.12);
}

.select-narrow { width: 160px; flex-shrink: 0; }

/* ─── Drop zone ──────────────────────────────────────────────────────────── */
.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 200px;
  padding: 28px 20px;
  text-align: center;
  background: var(--color-primary-subtle);
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  margin-bottom: 18px;
  transition: border-color 120ms, background 120ms;
}

.drop-zone:hover, .drop-zone:focus-visible {
  border-color: var(--color-primary-hover);
  background: #dcefe9;
  outline: none;
}

.drop-zone.is-dragging {
  border-color: var(--color-secondary);
  background: #fdf3ec;
}

.drop-title   { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.drop-subtitle{ font-size: 12px; color: var(--color-muted); }

/* ─── Progress ───────────────────────────────────────────────────────────── */
.progress-block { display: flex; flex-direction: column; gap: 6px; }

.progress-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.progress-label { font-size: 13px; font-weight: 500; }
.progress-pct   { font-size: 12px; color: var(--color-muted); }

.progress-track {
  height: 8px;
  background: var(--color-outline);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #2ea87e);
  border-radius: inherit;
  transition: width 280ms cubic-bezier(.2,0,0,1);
}

.upload-message { font-size: 12px; color: var(--color-muted); min-height: 18px; margin-top: 2px; }

/* ─── Status badges ──────────────────────────────────────────────────────── */
.status-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  white-space: nowrap;
}

.status-badge.neutral { background: var(--color-surface-raised); color: var(--color-muted);   border-color: var(--color-outline); }
.status-badge.success { background: var(--color-success-subtle); color: var(--color-success); border-color: #8fd4ab; }
.status-badge.error   { background: var(--color-error-subtle);   color: var(--color-error);   border-color: #f4aba6; }
.status-badge.info    { background: #e6f0ff; color: #1a4fc4; border-color: #a3bffa; }
.status-badge.warning { background: var(--color-warning-subtle); color: var(--color-warning); border-color: var(--color-warning-border); }

/* ─── Item lists ─────────────────────────────────────────────────────────── */
.item-list { display: flex; flex-direction: column; gap: 8px; }

.empty-state {
  padding: 22px 16px;
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
  border: 1px dashed var(--color-outline);
  border-radius: var(--radius-md);
}

/* Job card */
.job-card {
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.job-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.job-card-title { font-size: 12px; font-weight: 600; word-break: break-all; line-height: 1.4; flex: 1; }

.job-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 11px;
  color: var(--color-muted);
}

.job-warning {
  font-size: 11px;
  padding: 5px 9px;
  background: var(--color-warning-subtle);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-sm);
  color: var(--color-warning);
}

/* Search result card */
.result-card {
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 12px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: border-color 120ms, box-shadow 120ms;
}

.result-card:hover    { border-color: var(--color-primary); box-shadow: 0 2px 8px rgba(23,107,91,.1); }
.result-card.selected { border-color: var(--color-primary); background: var(--color-primary-subtle); }

.result-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.result-card-title   { font-size: 13px; font-weight: 600; line-height: 1.4; word-break: break-word; flex: 1; }
.result-card-snippet { font-size: 12px; color: var(--color-muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.result-card-footer  { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 2px; }
.result-score        { font-size: 11px; color: var(--color-muted); }
.result-warning      { font-size: 11px; color: var(--color-warning); }

/* Kind badges */
.kind-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
}

.kind-badge.sql_object       { background: #eff3ff; color: #2953b2; border: 1px solid #c3d0f7; }
.kind-badge.api_endpoint     { background: #f0fdf4; color: #166534; border: 1px solid #86efac; }
.kind-badge.chinese_corpus   { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }
.kind-badge.semantic_roadmap { background: #fdf4ff; color: #6b21a8; border: 1px solid #d8b4fe; }
.kind-badge.default          { background: var(--color-surface-raised); color: var(--color-muted); border: 1px solid var(--color-outline); }

/* ─── Evidence panel ─────────────────────────────────────────────────────── */
.evidence-panel { display: flex; flex-direction: column; }
.evidence-content { display: flex; flex-direction: column; gap: 14px; overflow-y: auto; }

.evidence-section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.evidence-meta-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 12px;
}

.evidence-meta-label { color: var(--color-muted); font-weight: 500; white-space: nowrap; }
.evidence-meta-value { word-break: break-all; }

.evidence-body {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
  font-family: ui-monospace, Consolas, monospace;
}

.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-outline);
}
.chip.chinese { background: #fef3c7; border-color: #fcd34d; }

/* ─── Search controls ────────────────────────────────────────────────────── */
.search-controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.search-controls .control-input { flex: 1; min-width: 160px; }

/* ─── Setup page ─────────────────────────────────────────────────────────── */
.setup-steps { list-style: none; display: flex; flex-direction: column; gap: 18px; }

.setup-steps li { display: flex; align-items: flex-start; gap: 14px; }

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

.step-title { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.step-desc  { font-size: 12px; color: var(--color-muted); }

.code-block {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  margin-top: 6px;
}

.code-block code { font-size: 12px; word-break: break-all; flex: 1; }
.code-block-mono code { white-space: pre-wrap; line-height: 1.6; }

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-outline);
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 13px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 120ms;
}

.copy-btn:hover { background: var(--color-primary-subtle); color: var(--color-primary); }

.divider { height: 1px; background: var(--color-outline); margin: 20px 0; }

.health-grid { display: flex; flex-direction: column; gap: 6px; }
.health-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--color-surface-raised);
  border-radius: var(--radius-sm);
  font-size: 12px;
}
.health-label { color: var(--color-muted); }
.health-value { font-weight: 600; }

/* ─── Login overlay ──────────────────────────────────────────────────────── */
.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-background);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.login-overlay.hidden { display: none !important; }

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-card);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.login-title   { font-size: 18px; font-weight: 700; }
.login-subtitle{ font-size: 13px; color: var(--color-muted); margin-bottom: 24px; }
.login-form    { display: flex; flex-direction: column; gap: 14px; }

.form-group    { display: flex; flex-direction: column; gap: 5px; }
.form-label    { font-size: 12px; font-weight: 600; color: var(--color-on-surface); }

.login-error {
  font-size: 12px;
  color: var(--color-error);
  background: var(--color-error-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.login-error.hidden { display: none; }

.login-submit { width: 100%; justify-content: center; height: 42px; font-size: 14px; }

/* ─── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .top-bar-inner, .tab-nav-inner, .page-content { padding-left: 14px; padding-right: 14px; }
  .tab-btn { padding: 12px 12px; font-size: 12px; }
  .card { padding: 16px 14px; }
  .drop-zone { min-height: 160px; }
}