:root {
  --kb-ink: #182033;
  --kb-muted: #667085;
  --kb-subtle: #8a94a6;
  --kb-paper: #f5f7fb;
  --kb-panel: #ffffff;
  --kb-line: #dfe5ef;
  --kb-line-strong: #c7d0df;
  --kb-brand: #0f766e;
  --kb-brand-dark: #115e59;
  --kb-accent: #b45309;
  --kb-danger: #b42318;
  --kb-success: #047857;
  --kb-warning: #92400e;
  --kb-sidebar: #111827;
  --kb-sidebar-soft: #1f2937;
  --kb-radius-sm: 8px;
  --kb-radius-md: 12px;
  --kb-radius-lg: 16px;
  --kb-radius-xl: 20px;
  --kb-sidebar-width: 284px;
  --kb-space-1: 4px;
  --kb-space-2: 8px;
  --kb-space-3: 12px;
  --kb-space-4: 16px;
  --kb-space-5: 20px;
  --kb-space-6: 24px;
  --kb-shadow: 0 16px 42px rgba(24, 32, 51, 0.08);
  --kb-shadow-soft: 0 10px 28px rgba(24, 32, 51, 0.06);
  --kb-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--kb-paper); }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--kb-ink);
  background: var(--kb-paper);
  font-family: var(--kb-font);
  letter-spacing: 0;
}

a { color: var(--kb-brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }

.kb-shell { min-height: 100vh; background: var(--kb-paper); }
.kb-app-shell, .kb-app, .app-shell { min-height: 100vh; display: flex; align-items: stretch; }

.kb-sidebar, .app-sidebar {
  position: sticky;
  top: 0;
  width: var(--kb-sidebar-width);
  flex: 0 0 var(--kb-sidebar-width);
  height: 100vh;
  overflow-y: auto;
  padding: 22px 16px;
  color: #eef4ff;
  background: linear-gradient(180deg, var(--kb-sidebar), #172033);
  border-right: 1px solid rgba(255,255,255,0.06);
}

.kb-brand-block { display: flex; align-items: center; gap: 12px; padding: 3px 8px 20px; }
.kb-logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--kb-brand);
  color: #fff;
  font-weight: 800;
}
.kb-brand-name { font-size: 20px; font-weight: 800; line-height: 1.1; }
.kb-brand-business { margin-top: 3px; color: #bcc7d7; font-size: 13px; }

.kb-nav { display: grid; gap: 5px; }
.kb-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 8px;
  color: #d8e0ec;
  font-size: 14px;
  font-weight: 650;
}
.kb-nav a:hover,
.kb-nav a.active {
  color: #fff;
  background: rgba(15, 118, 110, 0.25);
  text-decoration: none;
}
.kb-nav-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 7px;
  background: rgba(255,255,255,0.09);
  color: #eef4ff;
  font-size: 11px;
  font-weight: 800;
}
.kb-icon {
  display: inline-block;
  flex: 0 0 auto;
  vertical-align: -0.18em;
}
.kb-btn .kb-icon,
.kb-action-card .kb-icon,
.kb-section-heading .kb-icon,
.kb-tabs .kb-icon,
.kb-status-pill .kb-icon { margin-right: 6px; }

.kb-main-content, .kb-main {
  flex: 1;
  min-width: 0;
  padding: 28px;
}

.kb-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}
.kb-topbar h1 { margin: 3px 0 0; font-size: 30px; line-height: 1.15; letter-spacing: 0; }
.kb-topline { display: flex; flex-wrap: wrap; gap: 10px; color: var(--kb-muted); font-size: 13px; font-weight: 650; }
.kb-top-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  background: #fff;
}
.kb-user-menu { display: flex; align-items: center; gap: 12px; color: var(--kb-muted); }

.kb-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.kb-page-header h2, .kb-page-header h1 { margin: 0; }

.kb-messages { display: grid; gap: 8px; margin-bottom: 18px; }
.kb-alert, .kb-warning {
  border-radius: 8px;
  padding: 12px 14px;
  border: 1px solid #fde68a;
  color: var(--kb-warning);
  background: #fffbeb;
}
.kb-alert { border-color: #a7f3d0; color: #065f46; background: #ecfdf5; }

.kb-card,
.kb-panel,
.kb-metric,
.kb-empty {
  background: var(--kb-panel);
  border: 1px solid var(--kb-line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(24, 32, 51, 0.02);
}
.kb-card-pad, .kb-panel, .kb-empty { padding: 18px; }
.kb-panel { margin-bottom: 18px; }
.kb-subsection { margin-top: 18px; }
.kb-muted { color: var(--kb-muted); }
.kb-subtle { color: var(--kb-subtle); }

.kb-eyebrow {
  margin: 0 0 5px;
  color: var(--kb-brand-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.kb-page-actions,
.kb-section-title,
.kb-action-row,
.kb-table-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.kb-action-row { justify-content: flex-start; }
.kb-section-title h2, .kb-card h2, .kb-card h3 { margin: 0 0 10px; }

.kb-grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.kb-grid-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kb-metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.kb-metric { padding: 16px; }
.kb-metric span { display: block; margin-bottom: 8px; color: var(--kb-muted); font-size: 13px; font-weight: 650; }
.kb-metric strong { display: block; font-size: 22px; line-height: 1.2; letter-spacing: 0; }

.kb-empty {
  border-style: dashed;
  border-color: var(--kb-line-strong);
}
.kb-empty h2, .kb-empty h3 { margin-top: 0; }
.kb-empty p { color: var(--kb-muted); }

.kb-btn, button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--kb-line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--kb-ink);
  font-weight: 750;
  cursor: pointer;
}
.kb-btn:hover, button:hover { filter: brightness(.98); text-decoration: none; }
.kb-btn-primary { border-color: var(--kb-brand); background: var(--kb-brand); color: #fff; }
.kb-btn-secondary { background: #f8fafc; color: var(--kb-ink); }
.kb-btn-danger { border-color: #fca5a5; background: #fee2e2; color: var(--kb-danger); }
.kb-link-button {
  border: 0;
  min-height: auto;
  padding: 0;
  background: transparent;
  color: var(--kb-brand-dark);
  font-weight: 700;
}

.kb-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-size: 0.75rem;
  font-weight: 800;
}
.kb-badge-success { background: #dcfce7; color: #166534; }
.kb-badge-warning { background: #fef3c7; color: #92400e; }
.kb-badge-muted { background: #f1f5f9; color: #475569; }
.kb-status-row { display: flex; gap: 8px; flex-wrap: wrap; }
.kb-stack { display: grid; gap: 10px; }
.kb-detail-list { display: grid; gap: 0; margin: 0; }
.kb-detail-list > div {
  display: grid;
  grid-template-columns: minmax(130px, .8fr) minmax(0, 1.4fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--kb-line);
}
.kb-detail-list > div:last-child { border-bottom: 0; }
.kb-detail-list dt { color: var(--kb-muted); font-weight: 700; }
.kb-detail-list dd { margin: 0; overflow-wrap: anywhere; }

.kb-table-wrap { overflow-x: auto; }
.kb-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}
.kb-funding-table { min-width: 760px; }
.kb-table th, .kb-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--kb-line);
  text-align: left;
  vertical-align: top;
}
.kb-table th {
  color: #475569;
  background: #f8fafc;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.kb-table tr:last-child td { border-bottom: 0; }

.kb-form-panel { max-width: 880px; }
.kb-filterbar, .kb-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  align-items: end;
}
.kb-form-grid p { margin: 0; display: grid; gap: 5px; }
.kb-form-grid label, .kb-filterbar label {
  display: grid;
  gap: 5px;
  color: #475569;
  font-size: 13px;
  font-weight: 750;
}
input, select, textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  color: var(--kb-ink);
}
input[type="checkbox"] { width: auto; }
textarea { min-height: 88px; }
.kb-line-item { padding: 14px; border: 1px solid var(--kb-line); border-radius: 8px; background: #f8fafc; }

.kb-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.kb-tabs a {
  padding: 8px 12px;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  background: #fff;
  color: #475569;
  font-size: 13px;
  font-weight: 800;
}
.kb-tabs a.active { color: #fff; background: var(--kb-brand); border-color: var(--kb-brand); text-decoration: none; }
.kb-checklist { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 10px; }
.kb-checklist label { display: flex; align-items: center; gap: 9px; padding: 10px; border: 1px solid var(--kb-line); border-radius: 8px; }
.kb-list { margin: 0; padding-left: 18px; }
.kb-list li { margin: 6px 0; }

.kb-login-card { max-width: 430px; }
.kb-report-links { display: grid; gap: 14px; max-width: 760px; }
.kb-report-link { display: block; padding: 16px; font-weight: 800; }
.kb-report-panel { max-width: 620px; }
.kb-inline-form { display: inline; }

@media (max-width: 980px) {
  .kb-app-shell, .kb-app { display: block; }
  .kb-sidebar { position: relative; width: 100%; height: auto; min-height: auto; }
  .kb-nav { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .kb-main-content, .kb-main { padding: 18px; }
  .kb-grid-two, .kb-grid-three { grid-template-columns: 1fr; }
  .kb-topbar, .kb-page-header { display: grid; }
}

/* Phase 2 UI/UX modernization */
.kb-main-content { background: var(--kb-paper); }

.kb-page-hero,
.kb-dashboard-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  padding: 22px;
  border: 1px solid rgba(199, 208, 223, 0.8);
  border-radius: 16px;
  background: linear-gradient(135deg, #ffffff, #f8fbff);
  box-shadow: var(--kb-shadow);
}
.kb-page-hero h2,
.kb-dashboard-hero h2 { margin: 0; font-size: 26px; letter-spacing: 0; }
.kb-page-hero p,
.kb-dashboard-hero p { max-width: 760px; margin: 8px 0 0; color: var(--kb-muted); }

.kb-card,
.kb-panel,
.kb-metric,
.kb-empty {
  border-radius: 14px;
  box-shadow: 0 10px 28px rgba(24, 32, 51, 0.06);
}
.kb-card-pad,
.kb-panel,
.kb-empty { padding: 22px; }

.kb-btn {
  gap: 8px;
  min-height: 40px;
  padding: 9px 14px;
  transition: background .16s ease, border-color .16s ease, transform .16s ease, box-shadow .16s ease;
}
.kb-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(24, 32, 51, 0.08); }
.kb-btn-primary { box-shadow: 0 10px 22px rgba(15, 118, 110, 0.18); }
.kb-btn-ghost { border-color: transparent; background: transparent; }
.kb-btn-small { min-height: 32px; padding: 6px 10px; font-size: 13px; }

.kb-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.kb-kpi-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  min-height: 122px;
  padding: 18px;
  border: 1px solid var(--kb-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(24, 32, 51, 0.07);
}
.kb-kpi-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #ecfeff;
  color: var(--kb-brand-dark);
  font-weight: 900;
}
.kb-kpi-card span { display: block; color: var(--kb-muted); font-size: 13px; font-weight: 750; }
.kb-kpi-card strong { display: block; margin-top: 7px; font-size: 24px; line-height: 1.15; letter-spacing: 0; }
.kb-kpi-card small { display: block; margin-top: 8px; color: var(--kb-subtle); }

.kb-toggle-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  background: #fff;
}
.kb-toggle-tabs a {
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--kb-muted);
  font-size: 13px;
  font-weight: 800;
}
.kb-toggle-tabs a.active { background: var(--kb-sidebar); color: #fff; text-decoration: none; }

.kb-modern-form,
.kb-form-shell { display: grid; gap: 18px; }
.kb-form-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 18px;
  align-items: start;
}
.kb-form-section {
  border: 1px solid var(--kb-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(24, 32, 51, 0.05);
  overflow: hidden;
}
.kb-section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--kb-line);
  background: #fbfdff;
}
.kb-section-heading h2,
.kb-section-heading h3 { margin: 0; font-size: 17px; letter-spacing: 0; }
.kb-section-heading p { margin: 5px 0 0; color: var(--kb-muted); font-size: 13px; }
.kb-section-body { padding: 20px; }
.kb-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.kb-field-grid-three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.kb-field,
.kb-field-grid p,
.kb-form-grid p { display: grid; gap: 6px; margin: 0; }
.kb-field-span,
.kb-field-wide { grid-column: 1 / -1; }
.kb-field label,
.kb-field-grid label,
.kb-form-grid label {
  color: #344054;
  font-size: 13px;
  font-weight: 800;
}
.kb-required::after { content: " *"; color: var(--kb-danger); }
.kb-help,
.helptext {
  color: var(--kb-subtle);
  font-size: 12px;
  line-height: 1.45;
}
.errorlist {
  margin: 0;
  padding: 8px 10px;
  border: 1px solid #fecaca;
  border-radius: 10px;
  color: var(--kb-danger);
  background: #fff1f2;
  list-style: none;
  font-size: 13px;
}
input, select, textarea {
  min-height: 42px;
  border-radius: 11px;
  border-color: #d0d7e2;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
textarea { line-height: 1.45; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(15, 118, 110, .6);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, .10);
}
input[type="file"] {
  padding: 10px;
  background: #f8fafc;
}
.kb-upload-box {
  padding: 16px;
  border: 1px dashed var(--kb-line-strong);
  border-radius: 14px;
  background: #f8fafc;
}
.kb-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}
.kb-check-card,
.kb-checkbox-card {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #fff;
}
.kb-sticky-actions {
  position: sticky;
  bottom: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 6px;
  padding: 14px;
  border: 1px solid var(--kb-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 -12px 32px rgba(24, 32, 51, 0.08);
  backdrop-filter: blur(10px);
}

.kb-drawer,
.kb-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  background: rgba(15, 23, 42, .42);
}
.kb-drawer.is-open,
.kb-modal.is-open { display: block; }
.kb-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(560px, 100%);
  height: 100%;
  overflow-y: auto;
  background: #fff;
  box-shadow: -24px 0 50px rgba(15, 23, 42, .22);
}
.kb-modal-panel {
  width: min(620px, calc(100% - 28px));
  margin: 8vh auto;
  max-height: 84vh;
  overflow-y: auto;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(15, 23, 42, .26);
}
.kb-drawer-header,
.kb-modal-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 20px;
  border-bottom: 1px solid var(--kb-line);
}
.kb-drawer-body,
.kb-modal-body { padding: 20px; }
.kb-drawer-close {
  width: 36px;
  height: 36px;
  min-height: 36px;
  padding: 0;
}

.kb-invoice-builder {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}
.kb-invoice-main { display: grid; gap: 18px; }
.kb-invoice-summary {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
}
.kb-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--kb-line);
}
.kb-summary-row:last-child { border-bottom: 0; }
.kb-summary-total {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 2px solid var(--kb-line-strong);
  font-size: 18px;
  font-weight: 900;
}
.kb-line-table { min-width: 920px; }
.kb-line-table input { min-width: 86px; }
.kb-line-table textarea { min-width: 220px; min-height: 42px; }
.kb-line-table .kb-delete-cell { width: 92px; }
.kb-line-preview {
  color: var(--kb-muted);
  font-size: 12px;
  font-weight: 800;
}

.kb-page-hero-premium {
  border-radius: var(--kb-radius-xl);
  box-shadow: 0 18px 46px rgba(24, 32, 51, 0.09);
}

.kb-ai-status,
.kb-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  background: #fff;
  color: var(--kb-muted);
  font-size: 13px;
  font-weight: 800;
}
.kb-ai-status.is-on,
.kb-status-pill.is-success {
  border-color: #a7f3d0;
  color: #065f46;
  background: #ecfdf5;
}
.kb-status-pill.is-muted { color: #475569; background: #f8fafc; }
.kb-ai-button {
  border-color: rgba(124, 58, 237, .22);
  color: #5b21b6;
  background: #f5f3ff;
}
.kb-ai-button:hover { background: #ede9fe; }
.kb-ai-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}
.kb-ai-result {
  display: grid;
  gap: 14px;
  max-width: 980px;
}
.kb-ai-output {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: #1f2937;
  font: 14px/1.6 var(--kb-font);
}
.kb-ai-modal-panel {
  width: min(1080px, calc(100% - 28px));
  margin: 4vh auto;
  max-height: 92vh;
}
.kb-ai-modal-body { padding: 0; }
.kb-ai-chat {
  display: grid;
  grid-template-rows: auto auto auto minmax(260px, 1fr) auto auto;
  gap: 14px;
  padding: 18px;
}
.kb-ai-chat-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}
.kb-ai-chat-header h2 { margin: 0; }
.kb-ai-provider-card {
  display: grid;
  justify-items: end;
  gap: 6px;
  color: var(--kb-muted);
  font-size: 12px;
}
.kb-ai-suggested-prompts {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}
.kb-ai-suggested-prompts button {
  white-space: nowrap;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  background: #fff;
  color: #344054;
  padding: 8px 11px;
  font-size: 12px;
  font-weight: 800;
}
.kb-ai-suggested-prompts button:hover { background: #f8fafc; }
.kb-ai-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 7px 10px;
  border: 1px dashed var(--kb-line);
  border-radius: 12px;
  background: #fbfdff;
  color: var(--kb-muted);
  font-size: 12px;
  font-weight: 800;
}
.kb-progress-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin: 12px 0;
}
.kb-progress-timeline span {
  position: relative;
  min-height: 30px;
  padding: 7px 8px;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  background: #fff;
  color: var(--kb-muted);
  font-size: 11px;
  font-weight: 800;
  text-align: center;
}
.kb-progress-timeline span.is-active {
  border-color: rgba(79, 70, 229, .32);
  background: #eef2ff;
  color: #3730a3;
}
.kb-progress-timeline span.is-error {
  border-color: rgba(220, 38, 38, .28);
  background: #fef2f2;
  color: #b42318;
}
.kb-ai-messages {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 260px;
  max-height: 46vh;
  overflow-y: auto;
  padding: 14px;
  border: 1px solid var(--kb-line);
  border-radius: 18px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}
.kb-ai-message {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
}
.kb-ai-message-user { grid-template-columns: minmax(0, 1fr) 34px; }
.kb-ai-message-user .kb-ai-avatar { grid-column: 2; grid-row: 1; }
.kb-ai-message-user .kb-ai-bubble { grid-column: 1; grid-row: 1; justify-self: end; background: #eef2ff; }
.kb-ai-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #f5f3ff;
  color: #5b21b6;
  font-size: 11px;
  font-weight: 900;
}
.kb-ai-bubble {
  min-width: 0;
  max-width: 820px;
  padding: 12px 14px;
  border: 1px solid var(--kb-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(24, 32, 51, .06);
}
.kb-ai-message-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.kb-ai-message-error .kb-ai-bubble {
  border-color: #fed7aa;
  background: #fff7ed;
}
.kb-ai-upload-panel form,
.kb-ai-composer {
  display: grid;
  gap: 10px;
}
.kb-upload-zone {
  display: grid;
  justify-items: center;
  gap: 5px;
  padding: 16px;
  border: 1px dashed #c4b5fd;
  border-radius: 16px;
  background: #faf5ff;
  color: #4c1d95;
  text-align: center;
  cursor: pointer;
}
.kb-upload-zone input {
  max-width: 320px;
  min-height: auto;
  border: 0;
  background: transparent;
}
.kb-ai-composer {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}
.kb-ai-composer textarea {
  min-height: 48px;
  resize: vertical;
}
.kb-ai-footnote { margin: -4px 0 0; font-size: 12px; }
.kb-ai-extraction-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}
.kb-ai-extraction-grid div {
  padding: 10px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #f8fafc;
}
.kb-ai-extraction-grid span {
  display: block;
  color: var(--kb-muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}
.kb-ai-preview {
  margin: 10px 0;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #fff;
}
.kb-ai-preview summary {
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 850;
}
.kb-ai-preview pre {
  overflow-x: auto;
  max-height: 220px;
  margin: 0;
  padding: 12px;
  border-top: 1px solid var(--kb-line);
  white-space: pre-wrap;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.kb-ai-action-carousel { display: grid; gap: 10px; }
.kb-ai-action-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 280px);
  gap: 12px;
  overflow-x: auto;
  padding: 2px 2px 10px;
}
.kb-ai-action-card {
  display: grid;
  align-content: start;
  gap: 9px;
  min-height: 220px;
  padding: 15px;
  border: 1px solid var(--kb-line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 26px rgba(24, 32, 51, .07);
}
.kb-ai-action-card h4 {
  margin: 0;
  font-size: 15px;
}
.kb-ai-action-card p {
  margin: 0;
  color: var(--kb-muted);
}
.kb-ai-action-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: #f5f3ff;
  color: #5b21b6;
}
.kb-ai-action-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
}
.kb-ai-review-modal { width: min(760px, calc(100% - 28px)); }
.kb-clean-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--kb-muted);
}
.kb-clean-list li { margin: 6px 0; }
.input-with-addon { position: relative; }
.kb-checkbox-grid > div,
.kb-checkbox-grid ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
}
.kb-checkbox-grid li { list-style: none; }
.kb-checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--kb-line);
  border-radius: var(--kb-radius-md);
  background: #fff;
  color: #344054;
}
.kb-checkbox-field { align-content: start; }
.kb-inline-form {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.kb-action-card h3,
.kb-report-link {
  display: flex;
  align-items: center;
  gap: 8px;
}
.kb-report-link {
  padding: 18px;
  border-radius: var(--kb-radius-lg);
  font-weight: 850;
}
.kb-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.kb-tabs a .kb-icon { margin-right: 0; }
.kb-table td .kb-inline-form { margin-left: 8px; }
.kb-table td .kb-ai-button {
  min-height: 28px;
  padding: 4px 8px;
  font-size: 12px;
}

.kb-status-timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}
.kb-step {
  position: relative;
  padding: 12px;
  border: 1px solid var(--kb-line);
  border-radius: 13px;
  background: #fff;
  color: var(--kb-muted);
  font-weight: 800;
  text-align: center;
}
.kb-step.active,
.kb-step.complete {
  border-color: rgba(15, 118, 110, .35);
  background: #ecfdf5;
  color: var(--kb-brand-dark);
}
.kb-warning-grid,
.kb-action-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}
.kb-warning-card,
.kb-action-card {
  padding: 15px;
  border: 1px solid var(--kb-line);
  border-radius: 14px;
  background: #fff;
}
.kb-warning-card { border-color: #fed7aa; background: #fff7ed; }
.kb-action-card h3,
.kb-warning-card h3 { margin: 0 0 6px; font-size: 15px; }
.kb-info-card {
  padding: 12px;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  background: #eff6ff;
  color: #1e3a8a;
}
.kb-info-card p { margin: 6px 0 0; }
.kb-code-block {
  overflow-x: auto;
  margin: 10px 0;
  padding: 12px;
  border-radius: 10px;
  background: #111827;
  color: #f8fafc;
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
button:disabled,
.kb-btn[disabled] {
  cursor: not-allowed;
  opacity: .56;
  box-shadow: none;
  transform: none;
}

@media (max-width: 1180px) {
  .kb-form-layout,
  .kb-invoice-builder { grid-template-columns: 1fr; }
  .kb-invoice-summary { position: static; }
}

@media (max-width: 760px) {
  .kb-page-hero,
  .kb-dashboard-hero,
  .kb-ai-chat-header,
  .kb-sticky-actions { display: grid; }
  .kb-field-grid,
  .kb-field-grid-three,
  .kb-ai-extraction-grid,
  .kb-status-timeline { grid-template-columns: 1fr; }
  .kb-ai-composer { grid-template-columns: 1fr; }
  .kb-ai-messages { max-height: 52vh; }
  .kb-kpi-grid { grid-template-columns: 1fr; }
}

/* Phase 2D compact premium density and invoice canvas */
body { font-size: 14px; }
.kb-sidebar, .app-sidebar { width: 260px; flex-basis: 260px; padding: 18px 12px; }
.kb-brand-name { font-size: 18px; }
.kb-nav a { min-height: 36px; padding: 7px 9px; font-size: 13px; }
.kb-nav-icon { width: 26px; height: 26px; flex-basis: 26px; }
.kb-main-content, .kb-main { padding: 22px; }
.kb-topbar h1 { font-size: 26px; }
.kb-page-hero,
.kb-dashboard-hero { padding: 18px; margin-bottom: 18px; border-radius: 14px; box-shadow: var(--kb-shadow-soft); }
.kb-page-hero h2,
.kb-dashboard-hero h2 { font-size: 24px; }
.kb-card-pad,
.kb-panel,
.kb-empty { padding: 16px; }
.kb-section-heading { padding: 14px 16px; }
.kb-section-heading h2,
.kb-section-heading h3 { font-size: 15px; }
.kb-section-body { padding: 16px; }
.kb-field-grid,
.kb-field-grid-three,
.kb-form-grid { gap: 12px; }
.kb-field label,
.kb-field-grid label,
.kb-form-grid label { font-size: 12px; }
input, select, textarea {
  min-height: 38px;
  padding: 7px 9px;
  border-radius: 9px;
  font-size: 14px;
}
textarea { min-height: 78px; }
input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-height: 16px;
  flex: 0 0 16px;
  padding: 0;
  accent-color: var(--kb-brand);
}
input[type="file"] { min-height: 38px; padding: 7px; }
.kb-btn, button { min-height: 38px; padding: 8px 12px; border-radius: 9px; font-size: 13px; }
.kb-btn-small { min-height: 30px; padding: 5px 9px; font-size: 12px; }
.kb-table th, .kb-table td { padding: 9px 10px; font-size: 13px; }
.kb-table th { font-size: 11px; }
.kb-kpi-card { min-height: 104px; padding: 14px; border-radius: 14px; }
.kb-kpi-card strong { font-size: 21px; }
.kb-check-card,
.kb-checkbox-card,
.kb-checkbox-grid label {
  min-height: 38px;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
}
.kb-upload-box { padding: 12px; border-radius: 12px; }
.kb-sticky-actions { padding: 10px; border-radius: 12px; }
.kb-sticky-actions-compact { justify-content: flex-end; }
.kb-action-stack { display: grid; gap: 9px; }
.kb-icon-check { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--kb-muted); }
.kb-field-caption { display: grid; gap: 6px; margin-top: 6px; }
.kb-mini-label { display: block; margin-bottom: 5px; color: var(--kb-muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.kb-mini-link { font-size: 12px; font-weight: 800; }

.kb-invoice-topbar {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin: -22px -22px 18px;
  padding: 13px 22px;
  border-bottom: 1px solid var(--kb-line);
  background: rgba(245, 247, 251, .92);
  backdrop-filter: blur(12px);
}
.kb-invoice-topbar h2 { margin: 0; font-size: 20px; }
.kb-invoice-canvas-shell { gap: 12px; }
.kb-invoice-builder-canvas {
  grid-template-columns: minmax(760px, 1fr) 340px;
  align-items: start;
}
.kb-invoice-canvas { min-width: 0; }
.kb-invoice-paper {
  display: grid;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px;
  border: 1px solid #dce3ee;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(24, 32, 51, 0.08);
}
.kb-canvas-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--kb-brand);
}
.kb-logo-top_left { flex-direction: row-reverse; }
.kb-logo-center { display: grid; justify-items: center; text-align: center; }
.kb-logo-hidden .kb-canvas-logo { display: none; }
.kb-canvas-title-block { min-width: 280px; max-width: 520px; }
.kb-canvas-title-block input { font-size: 22px; font-weight: 850; letter-spacing: 0; }
.kb-canvas-logo { display: grid; justify-items: end; gap: 6px; align-content: start; min-width: 140px; }
.kb-logo-placeholder {
  display: grid;
  place-items: center;
  gap: 4px;
  width: 112px;
  height: 64px;
  border: 1px dashed var(--kb-line-strong);
  border-radius: 10px;
  color: var(--kb-muted);
  background: #f8fafc;
  font-size: 12px;
  font-weight: 800;
}
.kb-field-inline { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
.kb-canvas-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}
.kb-canvas-title-row h2 { margin: 0; font-size: 26px; }
.kb-billing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.kb-billing-card {
  display: grid;
  gap: 8px;
  min-height: 170px;
  padding: 14px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #fbfdff;
}
.kb-billing-card p { margin: 0; }
.kb-card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}
.kb-card-head h3 { margin: 0; font-size: 14px; }
.kb-canvas-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #f8fafc;
}
.kb-line-editor {
  padding: 14px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #fff;
}
.kb-line-table-premium { min-width: 1040px; }
.kb-line-table-premium th {
  background: color-mix(in srgb, var(--kb-brand) 92%, #111827);
  color: #fff;
}
.kb-line-table-premium td { vertical-align: middle; background: #fff; }
.kb-line-table-premium input,
.kb-line-table-premium textarea,
.kb-line-table-premium select {
  min-height: 34px;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 13px;
}
.kb-line-table-premium textarea { min-height: 36px; }
.kb-line-table-premium input[name$="-position"],
.kb-line-table-premium select[name$="-row_type"] {
  max-width: 74px;
  margin-bottom: 5px;
}
.kb-line-position { width: 88px; }
.kb-collapsible-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.kb-detail-card {
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}
.kb-detail-card summary {
  cursor: pointer;
  padding: 12px 14px;
  font-weight: 850;
  background: #fbfdff;
}
.kb-detail-card > .kb-field,
.kb-detail-card > p,
.kb-detail-card > .kb-checkbox-grid { padding: 0 14px 14px; }
.kb-summary-panel-premium { top: 74px; }
.kb-summary-panel-premium .kb-card { border-radius: 13px; }
.kb-summary-panel-premium h2 { font-size: 16px; }
.kb-summary-row { padding: 7px 0; font-size: 13px; }
.kb-summary-total { font-size: 16px; }
.kb-warning-list h3 { display: flex; align-items: center; gap: 6px; font-size: 14px; }
.kb-compact-checks { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.kb-compact-checks label { font-size: 12px; }

@media (max-width: 1220px) {
  .kb-invoice-builder-canvas { grid-template-columns: 1fr; }
  .kb-summary-panel-premium { position: static; }
}
@media (max-width: 820px) {
  .kb-invoice-topbar { position: static; display: grid; margin: 0 0 14px; padding: 0 0 14px; background: transparent; }
  .kb-invoice-paper { padding: 16px; }
  .kb-canvas-header,
  .kb-canvas-title-row,
  .kb-billing-grid,
  .kb-field-inline,
  .kb-collapsible-grid { grid-template-columns: 1fr; display: grid; }
  .kb-canvas-logo { justify-items: start; }
}

/* Guided AI provider setup */
.kb-ai-setup-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
  align-items: start;
}
.kb-guided-flow {
  display: grid;
  gap: 14px;
}
.kb-guided-section {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.05);
}
.kb-setup-status {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--kb-line);
  border-radius: 14px;
  background: linear-gradient(135deg, #ffffff, #f8fbff);
}
.kb-setup-status.is-ready {
  border-color: rgba(16, 185, 129, .24);
  background: linear-gradient(135deg, #f0fdf4, #ffffff);
}
.kb-setup-status.is-blocked {
  border-color: rgba(245, 158, 11, .34);
  background: linear-gradient(135deg, #fffbeb, #ffffff);
}
.kb-setup-status h2 {
  margin: 0 0 4px;
  font-size: 17px;
}
.kb-setup-status p {
  margin: 0;
}
.kb-setup-status-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: #fff;
  color: var(--kb-brand);
  box-shadow: inset 0 0 0 1px var(--kb-line);
}
.kb-help-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
  color: var(--kb-muted);
  font-weight: 600;
  text-transform: none;
}
.kb-input-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}
.kb-recommended-panel {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(99, 102, 241, .22);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99, 102, 241, .08), #fff);
}
.kb-recommended-panel strong {
  font-size: 13px;
}
.kb-recommended-panel code,
.kb-help code {
  padding: 1px 4px;
  border-radius: 5px;
  background: rgba(15, 23, 42, .06);
}
.kb-toggle-groups {
  display: grid;
  gap: 14px;
}
.kb-toggle-group {
  display: grid;
  gap: 9px;
}
.kb-toggle-group h3 {
  margin: 0;
  color: var(--kb-ink);
  font-size: 13px;
}
.kb-toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.kb-toggle-card {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #fff;
}
.kb-toggle-card:hover {
  border-color: rgba(99, 102, 241, .34);
  box-shadow: 0 10px 24px rgba(15, 23, 42, .05);
}
.kb-toggle-card strong {
  display: block;
  margin-bottom: 2px;
  color: var(--kb-ink);
  font-size: 13px;
}
.kb-toggle-card small {
  display: block;
  color: var(--kb-muted);
  font-size: 12px;
  line-height: 1.35;
}
.kb-test-connection-box {
  display: grid;
  gap: 8px;
  align-items: start;
}
.kb-test-connection-box p {
  margin: 0;
}
.kb-ai-side {
  position: sticky;
  top: 82px;
  display: grid;
  gap: 14px;
}
.kb-provider-status-card .kb-summary-row strong {
  max-width: 170px;
  overflow-wrap: anywhere;
  text-align: right;
}
.kb-hidden-form {
  display: none;
}
.kb-form-hero-compact {
  margin-bottom: 16px;
}
.kb-form-single-column {
  display: grid;
  gap: 14px;
  max-width: 980px;
}
.kb-client-form .kb-form-section,
.kb-client-form .kb-collapsible-section {
  overflow: hidden;
}
.kb-collapsible-section summary,
.kb-nested-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 14px 16px;
  list-style: none;
}
.kb-collapsible-section summary::-webkit-details-marker,
.kb-nested-details summary::-webkit-details-marker {
  display: none;
}
.kb-collapsible-section summary span,
.kb-nested-details summary span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--kb-ink);
  font-weight: 850;
}
.kb-collapsible-section summary small,
.kb-nested-details summary small {
  color: var(--kb-muted);
  font-size: 12px;
  font-weight: 650;
}
.kb-collapsible-section[open] summary,
.kb-nested-details[open] summary {
  border-bottom: 1px solid var(--kb-line);
}
.kb-nested-details {
  margin: 12px 16px 16px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: #fbfdff;
}
.kb-country-guidance {
  display: grid;
  gap: 8px;
  padding: 0 16px 12px;
}
.kb-country-guidance > div {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid rgba(37, 99, 235, .18);
  border-radius: 12px;
  background: #f8fbff;
  color: var(--kb-muted);
  font-size: 12px;
}
.kb-country-guidance strong {
  color: var(--kb-ink);
  font-size: 13px;
}

@media (max-width: 1100px) {
  .kb-ai-setup-grid {
    grid-template-columns: 1fr;
  }
  .kb-ai-side {
    position: static;
  }
}

@media (max-width: 720px) {
  .kb-input-action,
  .kb-toggle-grid,
  .kb-setup-status {
    grid-template-columns: 1fr;
  }
}

/* Market-readiness foundation: accessible themes and responsive application shell. */
.kb-skip-link {
  position: fixed;
  z-index: 1200;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 9px;
  background: var(--kb-panel);
  color: var(--kb-ink);
  box-shadow: var(--kb-shadow);
  transform: translateY(-160%);
}
.kb-skip-link:focus { transform: translateY(0); }
.kb-topbar-actions,
.kb-user-menu,
.kb-user-identity {
  display: flex;
  align-items: center;
}
.kb-topbar-actions { justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.kb-user-identity { align-items: flex-start; flex-direction: column; line-height: 1.15; }
.kb-user-identity strong { color: var(--kb-ink); }
.kb-user-identity small { margin-top: 3px; color: var(--kb-muted); font-size: 11px; }
.kb-mobile-nav-toggle,
.kb-sidebar-backdrop { display: none; }

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--kb-brand) 65%, white);
  outline-offset: 2px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --kb-ink: #edf3ff;
  --kb-muted: #aab6ca;
  --kb-subtle: #8794a9;
  --kb-paper: #0b1120;
  --kb-panel: #111a2d;
  --kb-line: #27344a;
  --kb-line-strong: #3a4962;
  --kb-brand: #2dd4bf;
  --kb-brand-dark: #5eead4;
  --kb-accent: #fbbf24;
  --kb-danger: #fda4af;
  --kb-success: #6ee7b7;
  --kb-warning: #fcd34d;
  --kb-sidebar: #070c17;
  --kb-sidebar-soft: #121c30;
  --kb-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
  --kb-shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.24);
}
html[data-theme="dark"] .kb-main-content,
html[data-theme="dark"] .kb-card,
html[data-theme="dark"] .kb-panel,
html[data-theme="dark"] .kb-metric,
html[data-theme="dark"] .kb-empty,
html[data-theme="dark"] .kb-kpi-card,
html[data-theme="dark"] .kb-warning-card,
html[data-theme="dark"] .kb-action-card,
html[data-theme="dark"] .kb-step,
html[data-theme="dark"] .kb-detail-card,
html[data-theme="dark"] .kb-nested-details,
html[data-theme="dark"] .kb-top-pill,
html[data-theme="dark"] .kb-tabs a,
html[data-theme="dark"] .kb-btn,
html[data-theme="dark"] button,
html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
  border-color: var(--kb-line);
  background: var(--kb-panel);
  color: var(--kb-ink);
}
html[data-theme="dark"] .kb-page-hero,
html[data-theme="dark"] .kb-dashboard-hero {
  border-color: var(--kb-line);
  background: linear-gradient(135deg, #111a2d, #0d1728);
}
html[data-theme="dark"] .kb-table th,
html[data-theme="dark"] .kb-line-item,
html[data-theme="dark"] .kb-detail-card summary,
html[data-theme="dark"] .kb-section-heading {
  background: #172238;
  color: var(--kb-ink);
}
html[data-theme="dark"] .kb-alert { border-color: #166534; background: #10271f; color: #a7f3d0; }
html[data-theme="dark"] .kb-warning,
html[data-theme="dark"] .kb-warning-card { border-color: #854d0e; background: #2a1d0c; color: #fde68a; }
html[data-theme="dark"] .kb-info-card { border-color: #1d4ed8; background: #111f3d; color: #bfdbfe; }
html[data-theme="dark"] .kb-btn-primary,
html[data-theme="dark"] .kb-tabs a.active {
  border-color: #0f766e;
  background: #0f766e;
  color: #fff;
}

@media (max-width: 980px) {
  .kb-app-shell,
  .kb-app {
    display: flex;
    width: 100%;
  }
  .kb-sidebar,
  .app-sidebar {
    position: fixed;
    z-index: 1000;
    inset: 0 auto 0 0;
    width: min(86vw, 300px);
    height: 100dvh;
    min-height: 100dvh;
    padding: 18px 12px;
    transform: translateX(-105%);
    transition: transform .2s ease;
    box-shadow: 24px 0 60px rgba(3, 7, 18, .32);
  }
  body.kb-nav-open { overflow: hidden; }
  body.kb-nav-open .kb-sidebar { transform: translateX(0); }
  .kb-nav { grid-template-columns: 1fr; }
  .kb-sidebar-backdrop {
    position: fixed;
    z-index: 990;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 0;
    background: rgba(3, 7, 18, .62);
  }
  body.kb-nav-open .kb-sidebar-backdrop { display: block; }
  .kb-mobile-nav-toggle { display: inline-flex; }
  .kb-main-content,
  .kb-main {
    width: 100%;
    min-width: 0;
    padding: 18px;
  }
  .kb-topbar { display: flex; align-items: flex-start; }
}

@media (max-width: 640px) {
  .kb-main-content,
  .kb-main { padding: 14px; }
  .kb-topbar { gap: 12px; margin-bottom: 18px; }
  .kb-topbar h1 { font-size: 23px; }
  .kb-topbar-actions { align-items: flex-end; flex-direction: column; }
  .kb-user-menu { justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
  .kb-ai-status { display: none; }
  .kb-theme-toggle [data-kb-theme-label] { display: none; }
  .kb-page-hero,
  .kb-dashboard-hero { padding: 15px; }
  .kb-table th,
  .kb-table td {
    min-width: 0;
    padding: 9px 7px;
    overflow-wrap: anywhere;
  }
}

/* Client Money: invoice-to-next-invoice workspace */
.kb-money-value,
.kb-money-flow-card strong,
.kb-summary-card strong {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.kb-client-money-hero {
  position: relative;
  overflow: visible;
  border-color: color-mix(in srgb, var(--kb-brand) 22%, var(--kb-line));
  background:
    radial-gradient(circle at 92% 12%, rgba(15, 118, 110, .13), transparent 28%),
    linear-gradient(135deg, #fff, #f5fbfa 58%, #eef8f7);
}

.kb-client-money-hero > div:first-child { min-width: 0; }
.kb-client-money-actions { justify-content: flex-start; }
.kb-client-money-hero .kb-summary-card {
  width: min(360px, 100%);
  flex: 0 0 min(360px, 38%);
}

.kb-workflow-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.kb-workflow-rail span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid rgba(15, 118, 110, .18);
  border-radius: 999px;
  color: var(--kb-brand-dark);
  background: rgba(255, 255, 255, .72);
  font-size: 12px;
  font-weight: 800;
}

.kb-money-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 18px;
}

.kb-money-flow-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 11px;
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--kb-line);
  border-radius: 16px;
  background: var(--kb-panel);
  box-shadow: var(--kb-shadow-soft);
}

.kb-money-flow-card small {
  display: block;
  margin: 1px 0 7px;
  color: var(--kb-muted);
  font-size: 12px;
  font-weight: 800;
}

.kb-money-flow-card strong {
  display: block;
  overflow: hidden;
  color: var(--kb-ink);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.15;
  text-overflow: ellipsis;
}

.kb-money-flow-card p {
  margin: 9px 0 0;
  color: var(--kb-muted);
  font-size: 12px;
  line-height: 1.45;
}

.kb-flow-step {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid var(--kb-line);
  border-radius: 10px;
  color: var(--kb-muted);
  background: var(--kb-paper);
  font-size: 11px;
  font-weight: 900;
}

.kb-money-flow-card.is-complete { border-color: rgba(4, 120, 87, .24); }
.kb-money-flow-card.is-complete .kb-flow-step { border-color: #a7f3d0; color: #065f46; background: #ecfdf5; }
.kb-money-flow-card.is-attention { border-color: #fed7aa; background: #fffdf9; }
.kb-money-flow-card.is-attention .kb-flow-step { border-color: #fed7aa; color: #9a3412; background: #fff7ed; }

.kb-money-negative { color: var(--kb-danger); }
.kb-money-positive { color: var(--kb-success); }
.kb-reconciliation-note { margin: 0 0 14px; padding: 14px 16px; }
.kb-reconciliation-note strong { display: block; margin-bottom: 4px; }
.kb-internal-note { padding-left: 11px; border-left: 3px solid var(--kb-line-strong); }

.kb-client-update-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin: 18px 0;
  padding: 20px;
  border: 1px solid rgba(15, 118, 110, .24);
  border-radius: 17px;
  background: linear-gradient(135deg, #ecfdf5, #f0fdfa);
  box-shadow: 0 14px 34px rgba(15, 118, 110, .09);
}

.kb-client-update-callout h2 { margin: 2px 0 5px; font-size: 19px; }
.kb-client-update-callout p:last-child { max-width: 820px; margin: 0; color: var(--kb-muted); }
.kb-client-update-callout .kb-btn { flex: 0 0 auto; }
.kb-copy-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: end; }

.kb-action-menu { position: relative; }
.kb-action-menu > summary { list-style: none; cursor: pointer; }
.kb-action-menu > summary::-webkit-details-marker { display: none; }
.kb-action-menu-panel {
  position: absolute;
  z-index: 30;
  top: calc(100% + 7px);
  right: 0;
  display: grid;
  min-width: 230px;
  padding: 7px;
  border: 1px solid var(--kb-line);
  border-radius: 12px;
  background: var(--kb-panel);
  box-shadow: 0 18px 45px rgba(24, 32, 51, .16);
}

.kb-action-menu-panel a,
.kb-action-menu-panel button {
  display: flex;
  width: 100%;
  min-height: 36px;
  align-items: center;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  color: var(--kb-ink);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.kb-action-menu-panel a:hover,
.kb-action-menu-panel button:hover { background: var(--kb-paper); text-decoration: none; }

.kb-disclosure {
  margin-top: 16px;
  border: 1px solid var(--kb-line);
  border-radius: 16px;
  background: var(--kb-panel);
  box-shadow: var(--kb-shadow-soft);
  overflow: hidden;
}

.kb-disclosure > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  background: #fbfdff;
}

.kb-disclosure > summary::-webkit-details-marker { display: none; }
.kb-disclosure > summary span:first-child { display: grid; gap: 4px; }
.kb-disclosure > summary small { color: var(--kb-muted); font-weight: 500; }
.kb-disclosure > summary span:last-child { color: var(--kb-brand-dark); font-size: 12px; font-weight: 800; }
.kb-disclosure[open] > summary { border-bottom: 1px solid var(--kb-line); }
.kb-disclosure-body { padding: 16px; }
.kb-private-breakdown td { color: var(--kb-muted); background: #fbfdff; }

html[data-theme="dark"] .kb-client-money-hero {
  background:
    radial-gradient(circle at 92% 12%, rgba(45, 212, 191, .12), transparent 28%),
    linear-gradient(135deg, #111a2d, #0d1c28);
}
html[data-theme="dark"] .kb-workflow-rail span { border-color: #285951; color: #99f6e4; background: #102c2a; }
html[data-theme="dark"] .kb-money-flow-card,
html[data-theme="dark"] .kb-disclosure,
html[data-theme="dark"] .kb-action-menu-panel { border-color: var(--kb-line); background: var(--kb-panel); }
html[data-theme="dark"] .kb-money-flow-card.is-attention { border-color: #854d0e; background: #211a11; }
html[data-theme="dark"] .kb-money-flow-card.is-complete .kb-flow-step { border-color: #166534; color: #a7f3d0; background: #10271f; }
html[data-theme="dark"] .kb-money-flow-card.is-attention .kb-flow-step { border-color: #854d0e; color: #fed7aa; background: #2a1d0c; }
html[data-theme="dark"] .kb-client-update-callout { border-color: #155e55; background: linear-gradient(135deg, #10271f, #102c2a); }
html[data-theme="dark"] .kb-disclosure > summary,
html[data-theme="dark"] .kb-private-breakdown td { background: #172238; }

@media (max-width: 1120px) {
  .kb-money-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .kb-client-money-hero,
  .kb-client-update-callout { display: grid; }
  .kb-client-money-hero .kb-summary-card { width: 100%; }
  .kb-money-flow { grid-template-columns: 1fr; }
  .kb-money-flow-card { min-height: 0; }
  .kb-client-update-callout .kb-btn { width: 100%; }
  .kb-copy-field { grid-template-columns: 1fr; }
  .kb-action-menu-panel { right: auto; left: 0; }
  .kb-disclosure > summary { align-items: flex-start; }
  .kb-disclosure > summary span:last-child { display: none; }
}