:root {
  color-scheme: light;
  --bg: #f3f4f6;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --line: #d8dde6;
  --text: #14181f;
  --muted: #5e6b7d;
  --accent: #0f766e;
  --accent-strong: #0b5d57;
  --warn: #a16207;
  --danger: #b42318;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

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

button {
  letter-spacing: 0;
}

.app {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 16px 16px 28px;
}

.topbar,
.section-head,
.inline-actions,
.field-grid,
.scan-grid,
.status-strip,
.metrics,
.hero-actions,
.tabbar {
  display: grid;
  gap: 12px;
}

.topbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-bottom: 14px;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, #0f766e, #2563eb);
  color: #ffffff;
  font-weight: 800;
  font-size: 14px;
}

.brand-copy {
  min-width: 0;
}

.brand-copy strong,
.brand-copy span {
  display: block;
}

.brand-copy strong {
  font-size: 18px;
  line-height: 1.2;
}

.brand-copy span,
.muted {
  color: var(--muted);
  font-size: 13px;
}

.top-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.text-button,
.primary-button,
.action-tile,
.tab {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.text-button,
.tab {
  padding: 0 12px;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.text-button:hover,
.tab:hover {
  background: var(--surface-2);
}

.primary-button {
  padding: 0 14px;
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

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

.notice {
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid #f4d38b;
  border-radius: 8px;
  background: #fff8e6;
  color: #7c4a03;
}

.notice[data-type="bad"] {
  border-color: #f2b8b5;
  background: #fff2f2;
  color: #8a1c16;
}

.hidden {
  display: none !important;
}

.status-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 14px;
}

.status-card,
.metric,
.surface,
.action-tile,
.info-card,
.product-card,
.schema-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.status-card,
.metric {
  padding: 12px 14px;
}

.status-card span,
.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.status-card strong,
.metric strong {
  display: block;
  font-size: 17px;
  line-height: 1.2;
}

.tabbar {
  grid-auto-flow: column;
  grid-auto-columns: minmax(72px, 1fr);
  overflow-x: auto;
  padding-bottom: 2px;
  margin-bottom: 14px;
}

.tab {
  color: var(--muted);
  white-space: nowrap;
}

.tab.active {
  background: #e8f4f3;
  border-color: #b9ddd9;
  color: var(--accent-strong);
}

.view {
  display: none;
}

.view.active {
  display: grid;
  gap: 14px;
}

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

.action-tile {
  padding: 14px;
  text-align: left;
  cursor: pointer;
}

.action-tile strong,
.action-tile span {
  display: block;
}

.action-tile strong {
  margin-bottom: 6px;
  font-size: 15px;
}

.action-tile span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

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

.surface {
  padding: 16px;
}

.section-head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-bottom: 14px;
}

.section-head h2 {
  margin: 0;
  font-size: 17px;
  line-height: 1.2;
}

.record-list,
.product-list,
.schema-grid,
.status-grid,
.form-stack {
  display: grid;
  gap: 12px;
}

.choice-grid {
  display: grid;
  gap: 8px;
}

.choice-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.choice-item strong,
.choice-item span {
  display: block;
}

.choice-item strong {
  font-size: 14px;
  margin-bottom: 4px;
}

.choice-item span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.directory-node {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.directory-node-head strong,
.directory-node-head span {
  display: block;
}

.directory-node-head strong {
  font-size: 14px;
  margin-bottom: 4px;
}

.directory-node-head span,
.directory-user {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.directory-children {
  display: grid;
  gap: 10px;
  margin-left: 14px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.record-item,
.product-card,
.schema-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.record-item strong,
.record-item span {
  display: block;
}

.record-item strong {
  font-size: 14px;
  margin-bottom: 4px;
}

.record-item span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.record-item button {
  margin-top: 8px;
}

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

.scan-grid {
  grid-template-columns: minmax(0, 1fr) 92px;
  align-items: end;
}

.grow {
  min-width: 0;
}

.field {
  display: grid;
  gap: 7px;
}

.field span {
  color: var(--muted);
  font-size: 13px;
}

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

textarea {
  min-height: 88px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(15, 118, 110, 0.16);
  border-color: var(--accent);
}

.checkbox-field {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.checkbox-field input {
  width: 18px;
  min-height: 18px;
  height: 18px;
}

.info-card {
  padding: 12px;
  line-height: 1.5;
}

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

.product-card {
  display: grid;
  gap: 10px;
}

.product-card-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
}

.product-card-title strong,
.product-card-title span {
  display: block;
}

.product-card-title strong {
  font-size: 15px;
  margin-bottom: 4px;
}

.product-card-title span,
.product-meta span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.product-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: #e8f4f3;
  color: var(--accent-strong);
  font-size: 12px;
}

.tag.warn {
  background: #fff2db;
  color: var(--warn);
}

.tag.bad {
  background: #feecec;
  color: var(--danger);
}

.result {
  min-height: 20px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.result.ok {
  color: var(--accent-strong);
}

.result.bad {
  color: var(--danger);
}

.result pre {
  margin: 8px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
}

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

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

.schema-card strong,
.schema-card span {
  display: block;
}

.schema-card strong {
  margin-bottom: 4px;
  font-size: 14px;
}

.schema-card span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.wide-action {
  min-width: 0;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
}

.modal-sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 860px;
  margin: 0 auto;
  max-height: min(88vh, 900px);
  overflow: auto;
  padding: 18px 16px 24px;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
  background: var(--surface);
  box-shadow: 0 -12px 40px rgba(15, 23, 42, 0.18);
}

.inner-form {
  gap: 12px;
}

@media (min-width: 760px) {
  .app {
    padding: 22px 22px 36px;
  }

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

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

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

@media (max-width: 640px) {
  .app {
    padding-left: 12px;
    padding-right: 12px;
  }

  .topbar,
  .section-head,
  .field-grid.two,
  .scan-grid,
  .status-strip,
  .status-grid,
  .hero-actions,
  .metrics,
  .product-meta {
    grid-template-columns: 1fr;
  }

  .top-actions {
    justify-content: flex-start;
  }
}