:root {
  color-scheme: light;
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-strong: #f0f4f1;
  --ink: #1d2522;
  --muted: #62716b;
  --line: #d9ded8;
  --green: #16765c;
  --green-dark: #0e5944;
  --coral: #c85b44;
  --amber: #9d6b18;
  --blue: #365f8f;
  --shadow: 0 16px 40px rgba(31, 45, 39, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.5;
}

.app-shell {
  padding: 0 0 28px;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  padding: 0 14px;
}

button:hover {
  border-color: var(--green);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

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

.ghost-button {
  background: transparent;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  background: #fbfbf8;
}

.tabbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 14px 28px 0;
  border-bottom: 1px solid var(--line);
  background: #fbfbf8;
}

.tab-button {
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: #f4f6f3;
  color: var(--muted);
  font-weight: 700;
  padding: 10px 14px;
  min-height: 42px;
}

.tab-button.is-active {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--line);
}

.tab-panel {
  padding-top: 16px;
}

.topbar h1,
.workspace-actions h2,
.section-heading h2,
.form-section h2,
.panel h3,
.adgroup h4,
.material h4 {
  margin: 0;
  letter-spacing: 0;
}

.topbar h1 {
  font-size: 24px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.status-pill {
  border: 1px solid #f0c4b9;
  color: var(--coral);
  background: #fff4f0;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 700;
  white-space: nowrap;
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  min-height: calc(100vh - 84px);
}

.dashboard-layout {
  display: grid;
  gap: 16px;
  padding: 0 24px;
}

.reports-layout {
  display: grid;
  gap: 16px;
  padding: 0 24px;
}

.reports-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #fcfcfa;
  padding: 20px;
}

.workspace {
  padding: 24px;
  min-width: 0;
}

.workspace-actions,
.section-heading,
.button-row,
.metric-row,
.adgroup-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.workspace-actions,
.section-heading {
  justify-content: space-between;
}

.save-status {
  color: var(--muted);
  font-size: 12px;
  margin: 6px 0 0;
}

.button-row {
  flex-wrap: wrap;
}

.form-section {
  border-bottom: 1px solid var(--line);
  padding: 0 0 20px;
  margin: 0 0 20px;
}

.form-section:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}

label {
  display: grid;
  gap: 7px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.field-help {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 11px;
  min-height: 42px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(22, 118, 92, 0.2);
  border-color: var(--green);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.toggle-stack {
  display: grid;
  align-content: end;
  gap: 8px;
  min-height: 100%;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--ink);
  font-weight: 600;
}

.check-row input {
  width: 16px;
  min-height: 16px;
  flex: 0 0 auto;
}

.inline-check {
  margin-top: 16px;
}

.angle-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.angle-list .check-row {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  padding: 8px 10px;
}

.result-band,
.connection-band,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.connection-band,
.result-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 20px;
  margin-top: 18px;
  border-radius: 8px;
}

.connection-band {
  border-left: 4px solid var(--blue);
}

.compact-band {
  margin-top: 0;
}

.connection-form .form-section:last-child {
  margin-bottom: 0;
}

.result-band h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.connection-band h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.connection-band p {
  margin: 0;
  color: var(--muted);
}

.result-band p {
  margin: 0;
  color: var(--muted);
}

.connection-meta {
  display: flex;
  align-items: stretch;
  gap: 12px;
}

.reports-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.entity-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.entity-card {
  display: grid;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.entity-card h3,
.list-item h3 {
  margin: 0;
  font-size: 18px;
}

.tag-row,
.list-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.metric-row {
  align-items: stretch;
}

.metric {
  min-width: 130px;
  border-left: 3px solid var(--green);
  background: var(--surface-strong);
  border-radius: 8px;
  padding: 10px 12px;
}

.metric span,
.kv span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 15px;
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.panel {
  border-radius: 8px;
  padding: 18px;
  margin-top: 16px;
}

.grid-two .panel {
  margin-top: 0;
}

.panel h3 {
  margin-bottom: 14px;
  font-size: 17px;
}

.flow-steps {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--ink);
}

.flow-steps li + li {
  margin-top: 7px;
}

.kv {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

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

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

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

.data-table td span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.status-badge.good {
  background: #e8f4ef;
  color: var(--green-dark);
}

.status-badge.warn {
  background: #fff3df;
  color: var(--amber);
}

.status-badge.neutral {
  background: #edf2f7;
  color: var(--blue);
}

.data-list {
  display: grid;
  gap: 12px;
}

.list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.list-item p {
  margin: 6px 0 0;
  color: var(--muted);
}

.list-meta span:not(.status-badge) {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding: 0 0 12px;
}

.timeline-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.timeline-item span,
.timeline-item p {
  color: var(--muted);
}

.timeline-item p {
  margin: 4px 0 0;
}

.kv:last-child {
  border-bottom: 0;
}

.checklist {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0 0 14px;
  list-style: none;
}

.checklist li {
  border-radius: 8px;
  padding: 9px 10px;
}

.checklist .done {
  background: #e8f4ef;
  color: var(--green-dark);
}

.checklist .todo {
  background: #fff3df;
  color: var(--amber);
}

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

.warnings p,
.success-note {
  margin: 0;
  border-radius: 8px;
  padding: 10px;
}

.warnings p {
  background: #fff4f0;
  color: var(--coral);
}

.success-note {
  background: #e8f4ef;
  color: var(--green-dark);
}

.adgroup-list {
  display: grid;
  gap: 12px;
}

.adgroup {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfa;
}

.adgroup h4 {
  font-size: 16px;
}

.adgroup p {
  margin: 6px 0 12px;
  color: var(--muted);
}

.adgroup-meta {
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.adgroup-meta span {
  border-radius: 999px;
  background: #edf2f7;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 8px;
}

.adgroup ul,
.material ol {
  margin: 0;
  padding-left: 20px;
}

.adgroup li + li,
.material li + li {
  margin-top: 6px;
}

.adgroup li span {
  color: var(--muted);
}

.material,
.rule {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}

.material:first-of-type,
.rule:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.material p,
.rule p {
  margin: 6px 0 10px;
  color: var(--muted);
}

.rule {
  display: grid;
  gap: 6px;
}

.rule span {
  color: var(--green-dark);
  font-weight: 700;
}

@media (max-width: 980px) {
  .tabbar,
  .layout,
  .connection-band,
  .entity-grid,
  .list-item,
  .reports-hero,
  .reports-grid,
  .result-band,
  .grid-two {
    grid-template-columns: 1fr;
  }

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

  .metric-row {
    flex-wrap: wrap;
  }

  .connection-meta {
    flex-wrap: wrap;
  }

  .tabbar {
    flex-wrap: wrap;
    padding-left: 16px;
    padding-right: 16px;
  }

  .reports-layout {
    padding: 0 16px;
  }

  .dashboard-layout {
    padding: 0 16px;
  }
}

@media (max-width: 640px) {
  .topbar,
  .workspace-actions {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .workspace,
  .sidebar {
    padding: 16px;
  }

  .kv {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}