:root {
  --bg: #eef1f3;
  --panel: #ffffff;
  --ink: #202326;
  --muted: #65717b;
  --line: #d6dde3;
  --soft: #f7f8f9;
  --accent: #f05a00;
  --accent-dark: #c64a00;
  --blocked: #9a3412;
  --ok: #0f766e;
  --ok-soft: #e8f5f3;
  --blocked-soft: #fff2ec;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
}

body.has-pdf-dialog {
  overflow: hidden;
}

button,
select,
input {
  font: inherit;
}

button,
a {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  text-decoration: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}

button:hover,
a:hover {
  border-color: #aeb8c1;
}

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

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

.agent-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.agent-header {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 24px;
  line-height: 1.2;
}

h2 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 12px;
  font-size: 16px;
}

p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.45;
}

.header-actions,
.action-row,
.toolbar-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.workbench {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(340px, 430px) minmax(260px, 340px) minmax(0, 1fr);
  gap: 14px;
  padding: 14px;
}

.query-panel,
.state-panel,
.answer-panel {
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.query-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

.query-panel label,
.section-title {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.field {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

select,
input[type="number"],
input[type="search"] {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: var(--ink);
  padding: 0 10px;
}

select:focus,
input:focus {
  outline: 3px solid rgba(240, 90, 0, 0.18);
  border-color: var(--accent);
}

.choice-group {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.choice-group span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.choice-group label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  text-transform: none;
}

.choice-group input {
  width: 18px;
  height: 18px;
}

.is-hidden {
  display: none;
}

.status-line {
  min-height: 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.example-grid button {
  min-height: 38px;
  justify-content: flex-start;
  color: var(--muted);
  font-size: 13px;
}

.state-panel {
  display: grid;
  grid-template-rows: auto auto auto auto auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  overflow: hidden;
}

.state-list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(92px, auto) 1fr;
  gap: 7px 10px;
  font-size: 14px;
}

.state-list dt {
  color: var(--muted);
}

.state-list dd {
  margin: 0;
  font-weight: 700;
  min-width: 0;
  overflow-wrap: anywhere;
}

.matrix-list,
.single-part-list {
  display: grid;
  gap: 8px;
}

.matrix-list div,
.single-part-entry,
.toc-entry {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--soft);
  font-size: 13px;
}

.toc-entry {
  width: 100%;
  min-height: 0;
  display: block;
  text-align: left;
  color: var(--ink);
}

.toc-entry:hover {
  border-color: var(--accent);
  background: #fff;
}

.toc-entry:focus-visible {
  outline: 3px solid rgba(240, 90, 0, 0.24);
  outline-offset: 2px;
}

.matrix-list strong,
.single-part-entry strong,
.toc-entry strong {
  display: block;
  margin-bottom: 4px;
}

.matrix-list span,
.single-part-entry small,
.toc-entry span {
  color: var(--muted);
  line-height: 1.45;
}

.single-part-prices {
  display: grid;
  gap: 5px;
  margin: 7px 0;
}

.single-part-prices span {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink);
}

.single-part-prices b {
  white-space: nowrap;
}

.toc-list {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 8px;
}

.pdf-dialog[aria-hidden="true"] {
  display: none;
}

.pdf-dialog {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
}

.pdf-dialog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.62);
}

.pdf-dialog__panel {
  position: relative;
  width: min(1180px, 100%);
  height: min(900px, calc(100vh - 36px));
  min-height: 520px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.36);
}

.pdf-dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.pdf-dialog__header h2 {
  margin-bottom: 4px;
}

.pdf-dialog__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pdf-dialog__frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #f5f5f5;
}

.answer-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.answer-toolbar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

#answerState {
  display: block;
  margin-top: 4px;
}

#answerState.ok {
  color: var(--ok);
}

#answerState.blocked {
  color: var(--blocked);
}

.result-view {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 16px;
}

.history-item,
.result-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.history-item.empty {
  color: var(--muted);
  background: var(--soft);
}

.success-card {
  border-color: rgba(15, 118, 110, 0.35);
  background: var(--ok-soft);
}

.blocked-card {
  border-color: rgba(154, 52, 18, 0.35);
  background: var(--blocked-soft);
}

.result-kicker {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.summary-grid div {
  display: grid;
  gap: 3px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
}

.summary-grid span,
.bom-item span {
  color: var(--muted);
  font-size: 13px;
}

.summary-grid strong,
.bom-item strong {
  overflow-wrap: anywhere;
}

.bom-list {
  display: grid;
  gap: 8px;
}

.bom-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.bom-item div {
  display: grid;
  align-content: start;
  gap: 4px;
}

.bom-item > div:last-child {
  justify-items: end;
  white-space: nowrap;
}

ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.5;
}

@media (max-width: 1120px) {
  .workbench {
    grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  }

  .answer-panel {
    grid-column: 1 / -1;
    min-height: 520px;
  }
}

@media (max-width: 760px) {
  .agent-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  .workbench {
    grid-template-columns: 1fr;
    padding: 10px;
  }

  .field-grid,
  .summary-grid,
  .example-grid {
    grid-template-columns: 1fr;
  }

  .choice-group {
    grid-template-columns: 1fr auto auto;
  }

  .action-row button,
  .toolbar-buttons button,
  .header-actions a {
    width: 100%;
  }

  .bom-item {
    grid-template-columns: 1fr;
  }

  .bom-item > div:last-child {
    justify-items: start;
  }

  .pdf-dialog {
    padding: 8px;
  }

  .pdf-dialog__panel {
    height: calc(100vh - 16px);
    min-height: 0;
  }

  .pdf-dialog__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .pdf-dialog__actions,
  .pdf-dialog__actions a,
  .pdf-dialog__actions button {
    width: 100%;
  }
}

@media print {
  body {
    background: #fff;
  }

  .query-panel,
  .state-panel,
  .header-actions,
  .toolbar-buttons {
    display: none;
  }

  .agent-header,
  .workbench,
  .answer-panel {
    display: block;
    border: 0;
    padding: 0;
  }

  .result-view {
    overflow: visible;
  }
}