:root {
  --bg: #f3f6f8;
  --surface: #ffffff;
  --surface-2: #eef3f5;
  --surface-3: #f8fafb;
  --text: #17212b;
  --muted: #637381;
  --line: #d8e2e8;
  --primary: #116149;
  --primary-dark: #0b4836;
  --accent: #c61f2b;
  --ok: #18845f;
  --warn: #a46200;
  --error: #b42318;
  --shadow: 0 14px 34px rgba(23, 33, 43, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line);
  background: var(--surface);
  padding: 24px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  width: 86px;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
}

.nav {
  display: grid;
  gap: 8px;
}

.nav__item {
  width: 100%;
  border: 0;
  border-radius: 8px;
  padding: 12px 14px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.nav__item:hover,
.nav__item.is-active {
  background: var(--surface-2);
}

.nav__item.is-active {
  color: var(--primary);
  font-weight: 700;
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.topbar,
.section-title,
.panel__head,
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 18px;
}

.hint {
  margin: 6px 0 0;
  color: var(--muted);
}

.user-pill,
.status {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.user-pill {
  min-width: 170px;
  padding: 10px 14px;
  text-align: right;
}

.user-pill span,
.user-pill strong {
  display: block;
}

.user-pill span {
  color: var(--muted);
  font-size: 12px;
}

.view {
  display: none;
}

.view.is-active {
  display: block;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.metric,
.panel,
.document-card,
.psd-card,
.preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric {
  padding: 18px;
}

.metric span,
.metric small,
.metric strong {
  display: block;
}

.metric span,
.metric small {
  color: var(--muted);
}

.metric strong {
  margin: 8px 0;
  font-size: 26px;
}

.content-grid,
.result-layout,
.documents-grid,
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.panel {
  padding: 20px;
}

.panel__head {
  margin-bottom: 16px;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.status--ok {
  border-color: rgba(24, 132, 95, 0.25);
  background: rgba(24, 132, 95, 0.08);
  color: var(--ok);
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding-left: 22px;
}

.timeline.compact {
  gap: 12px;
}

.timeline li span,
.approval-step small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.facts,
.totals {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
}

.facts div,
.totals div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.facts dt,
.totals dt {
  margin: 0;
  color: var(--muted);
}

.facts dd,
.totals dd {
  margin: 0;
  text-align: right;
  font-weight: 700;
}

.grand {
  color: var(--primary);
  font-size: 19px;
}

.primary-action,
.secondary-action,
.icon-action {
  border-radius: 8px;
  padding: 10px 14px;
}

.primary-action {
  border: 0;
  background: var(--primary);
  color: #ffffff;
}

.primary-action:hover {
  background: var(--primary-dark);
}

.secondary-action {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.secondary-action:hover {
  border-color: var(--primary);
}

.icon-action {
  min-width: 34px;
  border: 1px solid var(--line);
  background: var(--surface-3);
  color: var(--error);
  font-weight: 700;
}

.section-title {
  margin-bottom: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.form-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.form-grid .wide {
  grid-column: span 2;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  background: var(--surface);
  color: var(--text);
}

input:focus,
select:focus,
button:focus {
  outline: 3px solid rgba(17, 97, 73, 0.18);
  outline-offset: 1px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

td input,
td select {
  min-width: 130px;
  padding: 8px;
}

.calc-table td:nth-child(1),
.calc-table td:nth-child(4),
.calc-table td:nth-child(5),
.calc-table td:nth-child(6),
.calc-table td:nth-child(7),
.calc-table th:nth-child(1),
.calc-table th:nth-child(4),
.calc-table th:nth-child(5),
.calc-table th:nth-child(6),
.calc-table th:nth-child(7) {
  white-space: nowrap;
}

.row-muted {
  color: var(--muted);
  background: var(--surface-2);
}

.checks {
  display: grid;
  gap: 10px;
  min-height: 130px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.checks li {
  border-left: 3px solid var(--ok);
  padding-left: 10px;
}

.checks li.warn {
  border-color: var(--warn);
}

.checks li.error {
  border-color: var(--error);
  color: var(--error);
}

.approval-flow {
  display: grid;
  gap: 12px;
}

.approval-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.approval-step:last-child {
  border-bottom: 0;
}

.approval-number {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 700;
}

.approval-step.done .approval-number {
  background: var(--primary);
  color: #ffffff;
}

.approval-step.current {
  background: linear-gradient(90deg, rgba(17, 97, 73, 0.08), transparent);
}

.document-card,
.psd-card {
  display: grid;
  gap: 10px;
  padding: 18px;
}

.document-card span,
.psd-card small {
  color: var(--muted);
}

.preview {
  margin-top: 16px;
  padding: 18px;
  overflow: auto;
  white-space: pre-wrap;
}

.audit-log {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.audit-log li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.audit-log li:last-child {
  border-bottom: 0;
}

.ai-result {
  color: var(--muted);
}

.extract-grid,
.rules-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.extract-grid div,
.rules-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-3);
  padding: 14px;
}

.extract-grid strong,
.extract-grid span,
.rules-grid strong,
.rules-grid span {
  display: block;
}

.extract-grid span,
.rules-grid span {
  margin-top: 6px;
  color: var(--muted);
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  .workspace {
    padding: 18px;
  }

  .topbar,
  .section-title,
  .panel__head,
  .action-row,
  .audit-log li {
    align-items: stretch;
    flex-direction: column;
  }

  .metrics,
  .content-grid,
  .result-layout,
  .documents-grid,
  .cards-grid,
  .form-grid,
  .extract-grid,
  .rules-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .wide {
    grid-column: auto;
  }

  .nav {
    grid-template-columns: 1fr 1fr;
  }

  h1 {
    font-size: 22px;
  }
}