:root {
  color-scheme: light;
  --bg: #eef2f6;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-muted: #eef3f7;
  --border: #dce4ec;
  --border-strong: #cbd5df;
  --text: #151b23;
  --muted: #687381;
  --muted-strong: #3f4a57;
  --accent: #0f766e;
  --accent-hover: #0b5f59;
  --accent-soft: #e7f7f4;
  --blue: #2563eb;
  --blue-hover: #1d4ed8;
  --blue-soft: #eaf1ff;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 10px 24px rgba(15, 23, 42, 0.04);
  --focus: 0 0 0 3px rgba(15, 118, 110, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI Variable", "Segoe UI", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.button,
.link-button {
  align-items: center;
  border-radius: 8px;
  display: inline-flex;
  font-size: 13px;
  font-weight: 650;
  gap: 8px;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  text-decoration: none;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
  white-space: nowrap;
}

.button {
  border: 1px solid transparent;
  cursor: pointer;
}

.button:hover,
.link-button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.button.secondary {
  background: var(--blue);
  border-color: var(--blue);
  color: #ffffff;
}

.button.secondary:hover {
  background: var(--blue-hover);
  border-color: var(--blue-hover);
}

.button.ghost,
.link-button {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--muted-strong);
}

.button.ghost:hover,
.link-button:hover {
  background: var(--surface-muted);
  border-color: #b6c2cf;
  color: var(--text);
}

.button.small {
  min-height: 34px;
  padding: 0 11px;
}

.button.full-width {
  width: 100%;
}

.button:disabled {
  background: #edf1f5;
  border-color: #dce3ea;
  color: #8b98a7;
  cursor: not-allowed;
  transform: none;
}

.app-header {
  align-items: center;
  background: #10201e;
  border-bottom: 1px solid #0c1715;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
  color: #ffffff;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  padding: 14px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand-block {
  align-items: center;
  display: flex;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 800;
  height: 36px;
  justify-content: center;
  letter-spacing: 0.03em;
  width: 36px;
}

.brand-block h1,
.brand-block p,
.panel h2,
.panel h3,
.panel p {
  margin: 0;
}

.brand-block h1 {
  font-size: 19px;
  font-weight: 750;
  line-height: 1.15;
}

.brand-block p {
  color: #b9c7c4;
  font-size: 12px;
  margin-top: 2px;
}

.app-header .link-button {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.app-header .link-button:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
}

.app-header .status-pill {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  color: #e8fffb;
}

.app-header .status-pill.ok {
  background: #dff8f3;
  border-color: #afe6dd;
  color: #0b5f59;
}

.app-header .status-pill.error {
  background: #ffe5e1;
  border-color: #ffb8b0;
  color: #9f1f16;
}

.header-actions,
.review-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.status-pill,
.subtle-pill,
.confidence-pill {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 650;
  min-height: 30px;
  padding: 0 10px;
  white-space: nowrap;
}

.status-pill,
.subtle-pill {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  color: var(--muted-strong);
}

.status-pill.ok,
.subtle-pill.ready {
  background: var(--accent-soft);
  border-color: #b9e3dc;
  color: var(--accent-hover);
}

.status-pill.error,
.subtle-pill.error {
  background: var(--danger-soft);
  border-color: #fac3bd;
  color: var(--danger);
}

.confidence-pill {
  background: var(--blue-soft);
  border: 1px solid #c8d8fb;
  color: var(--blue-hover);
}

.workspace {
  padding: 20px 24px 28px;
}

.workflow-strip {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto 16px;
  max-width: 1480px;
}

.workflow-step {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  gap: 10px;
  min-height: 46px;
  padding: 10px 12px;
  transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.workflow-step span {
  align-items: center;
  background: #eef2f6;
  border-radius: 999px;
  color: var(--muted-strong);
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 750;
  height: 25px;
  justify-content: center;
  width: 25px;
}

.workflow-step strong {
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 650;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workflow-step.active {
  background: #ffffff;
  border-color: #9bd6cd;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.workflow-step.done {
  border-color: #c7e8e2;
}

.workflow-step.done span {
  background: var(--accent);
  color: #ffffff;
}

.dashboard-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(285px, 0.78fr) minmax(390px, 1.08fr) minmax(390px, 1.14fr);
  margin: 0 auto;
  max-width: 1480px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid #cbd5df;
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-width: 0;
  padding: 18px;
}

.knowledge-panel {
  border-top-color: var(--accent);
}

.ticket-panel {
  border-top-color: var(--blue);
}

.review-panel {
  border-top-color: #b45309;
}

.panel-heading {
  align-items: flex-start;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 16px;
}

.eyebrow {
  color: var(--accent-hover);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.06em;
  margin-bottom: 3px;
  text-transform: uppercase;
}

.panel h2 {
  font-size: 18px;
  font-weight: 750;
  line-height: 1.2;
}

.panel h3 {
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metric-row {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 12px;
}

.metric-card,
.signal-card,
.summary-block,
.history-block,
.empty-state,
.review-section {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.metric-card {
  padding: 12px;
}

.metric-card span,
.signal-card span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 600;
}

.metric-card strong {
  display: block;
  font-size: 25px;
  font-weight: 750;
  letter-spacing: 0;
  line-height: 1.05;
  margin-top: 5px;
}

.stacked-form,
.ticket-form,
.feedback-form {
  display: grid;
  gap: 12px;
}

label {
  color: var(--muted-strong);
  display: grid;
  font-size: 13px;
  font-weight: 650;
  gap: 6px;
}

input,
textarea {
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  outline: none;
  padding: 10px 11px;
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
  width: 100%;
}

input::placeholder,
textarea::placeholder {
  color: #98a3b1;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: var(--focus);
}

input[type="file"] {
  background: var(--surface-soft);
  color: var(--muted-strong);
  cursor: pointer;
  font-size: 13px;
}

.details-box {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 12px;
  padding: 12px;
}

.details-box summary {
  border-radius: 7px;
  color: var(--muted-strong);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  list-style-position: outside;
}

.details-box[open] summary {
  margin-bottom: 12px;
}

.upload-row,
.button-row,
.template-row {
  display: flex;
  gap: 10px;
}

.upload-row {
  align-items: center;
  border-top: 1px solid var(--border);
  margin-top: 12px;
  padding-top: 12px;
}

.upload-row input {
  min-width: 0;
}

.template-row {
  margin-bottom: 12px;
}

.template-row .button {
  flex: 1;
}

.field-grid,
.classification-grid,
.review-grid {
  display: grid;
  gap: 12px;
}

.field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.classification-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.signal-card {
  padding: 12px;
}

.signal-card strong {
  color: var(--text);
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-top: 5px;
  text-transform: capitalize;
}

.summary-block {
  margin-top: 12px;
  padding: 14px;
}

.summary-block p {
  color: var(--muted-strong);
  margin-top: 8px;
}

.history-block {
  margin-top: 16px;
  overflow: hidden;
  padding: 0;
}

.history-summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  list-style: none;
  min-height: 48px;
  padding: 10px 12px;
}

.history-summary::-webkit-details-marker {
  display: none;
}

.history-summary .button {
  flex: 0 0 auto;
  width: auto;
}

.history-summary-text {
  align-items: center;
  display: flex;
  gap: 8px;
  min-width: 0;
}

.history-summary-text::before {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted-strong);
  content: "+";
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 700;
  height: 22px;
  justify-content: center;
  line-height: 1;
  width: 22px;
}

.history-block[open] .history-summary-text::before {
  content: "-";
}

.history-title {
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.history-count {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 650;
  padding: 2px 7px;
}

.history-body {
  border-top: 1px solid var(--border);
  padding: 12px;
}

.ticket-history-list {
  display: grid;
  gap: 10px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
  scrollbar-width: thin;
}

.ticket-history-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  display: grid;
  gap: 8px;
  padding: 11px;
  text-align: left;
  transition: background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
  width: 100%;
}

.ticket-history-item:hover {
  background: #fbfefd;
  border-color: #b9e3dc;
  transform: translateY(-1px);
}

.ticket-history-item.active {
  background: var(--accent-soft);
  border-color: #8fd1c7;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.ticket-history-main {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  min-width: 0;
}

.ticket-history-main strong {
  font-size: 13px;
  font-weight: 700;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ticket-history-main span,
.ticket-history-meta {
  color: var(--muted);
  font-size: 12px;
}

.ticket-history-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ticket-history-meta span {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted-strong);
  padding: 2px 7px;
}

.empty-state {
  color: var(--muted);
  display: grid;
  font-size: 13px;
  gap: 4px;
  min-height: 132px;
  place-content: center;
  text-align: center;
}

.empty-state strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
}

.empty-state.compact {
  min-height: 88px;
}

.draft-toolbar {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.draft-textarea {
  line-height: 1.58;
  min-height: 295px;
}

.review-grid {
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  margin-top: 16px;
}

.review-section {
  padding: 14px;
}

.section-title-row {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.list-block {
  margin-top: 16px;
}

.document-list,
.citations-list,
.actions-list {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.actions-list {
  list-style: none;
  padding: 0;
}

.actions-list li {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted-strong);
  padding: 10px 11px;
}

.document-item,
.citation-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px;
}

.citation-item summary {
  cursor: pointer;
  list-style-position: outside;
}

.citation-item summary strong {
  display: inline;
}

.citation-item[open] {
  border-color: #c8d8fb;
}

.document-item strong,
.citation-item strong {
  color: var(--text);
  display: block;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.document-item span,
.citation-item span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 3px;
  overflow-wrap: anywhere;
}

.citation-item p {
  color: var(--muted-strong);
  font-size: 13px;
  margin: 8px 0 0;
  overflow-wrap: anywhere;
}

fieldset {
  border: 0;
  margin: 0;
  min-width: 0;
  padding: 0;
}

legend {
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 650;
  margin-bottom: 6px;
}

.feedback-form {
  border-top: 1px solid var(--border);
  margin-top: 16px;
  padding-top: 16px;
}

.feedback-status {
  background: var(--accent-soft);
  border: 1px solid #b9e3dc;
  border-radius: 8px;
  color: var(--accent-hover);
  font-size: 13px;
  font-weight: 650;
  padding: 9px 10px;
}

.segmented {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.segmented label {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted-strong);
  cursor: pointer;
  display: flex;
  font-weight: 650;
  gap: 8px;
  justify-content: center;
  min-height: 40px;
  padding: 0 8px;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.segmented label:has(input:checked) {
  background: var(--accent-soft);
  border-color: #9bd6cd;
  color: var(--accent-hover);
}

.segmented input {
  accent-color: var(--accent);
  width: auto;
}

.toast {
  background: #151b23;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  bottom: 18px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
  color: #ffffff;
  font-size: 13px;
  font-weight: 650;
  max-width: min(430px, calc(100vw - 36px));
  padding: 11px 13px;
  position: fixed;
  right: 18px;
  z-index: 20;
}

.toast.error {
  background: var(--danger);
}

@media (max-width: 1240px) {
  .dashboard-grid {
    grid-template-columns: minmax(280px, 0.85fr) minmax(430px, 1.15fr);
  }

  .review-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 16px;
  }

  .header-actions {
    align-items: stretch;
    flex-direction: column;
    justify-content: flex-start;
    width: 100%;
  }

  .workspace {
    padding: 14px;
  }

  .workflow-strip,
  .field-grid,
  .classification-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .workflow-strip {
    gap: 8px;
  }

  .panel {
    padding: 14px;
  }

  .upload-row,
  .button-row,
  .template-row,
  .draft-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .button,
  .link-button {
    width: 100%;
  }

  .status-pill,
  .subtle-pill,
  .confidence-pill {
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .brand-block {
    align-items: flex-start;
  }

  .panel-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .panel-heading .button,
  .review-meta {
    width: 100%;
  }

  .review-meta {
    align-items: stretch;
    flex-direction: column;
  }

  .metric-row,
  .segmented {
    grid-template-columns: 1fr;
  }

  .toast {
    bottom: 12px;
    right: 12px;
    max-width: calc(100vw - 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}