:root {
  color-scheme: light;
  --bg: #eef3f7;
  --bg-soft: #f4f7fb;
  --card: #ffffff;
  --card-soft: #f9fbfd;
  --text: #0f1b39;
  --text-soft: #5f6b85;
  --line: #d8e0eb;
  --line-strong: #c8d2df;
  --primary: #5d74f2;
  --primary-dark: #4963ea;
  --primary-text: #ffffff;
  --pill-bg: #f8fbff;
  --warn: #f5b74e;
  --warn-soft: #fff7e8;
  --danger: #ef6c64;
  --danger-soft: #fff3f2;
  --success: #33a06f;
  --success-soft: #effaf4;
  --shadow: 0 10px 24px rgba(76, 96, 133, 0.06);
  --radius-card: 28px;
  --radius-pill: 18px;
  --radius-input: 16px;
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: inherit; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.topbar__inner {
  max-width: 1320px;
  margin: 0 auto;
  min-height: 88px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px 24px;
}
.topbar__left,
.topbar__right,
.nav,
.page-head__actions,
.actions-inline,
.badge-stack,
.form-actions,
.path-status,
.checkbox-row,
.field-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.topbar__right { justify-content: flex-end; }
.nav a,
.brand,
.subnav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}
.nav {
  gap: 18px;
}
.nav a {
  font-size: 1rem;
}
.brand-logo {
  justify-self: center;
}
.brand-logo img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}
.topbar__profile {
  font-size: 1rem;
  color: var(--text);
}
.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.nav-toggle__bars { display: inline-grid; gap: 4px; }
.nav-toggle__bars span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.page-head {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
}
.page-head h1 {
  margin: 0;
  font-size: clamp(2rem, 2.8vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.page-head p:last-child {
  margin-bottom: 0;
}
.section-stack {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}
.section-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 26px;
  box-shadow: var(--shadow);
}
.stack {
  display: grid;
  gap: 18px;
}
.actions {
  margin-top: 18px;
}
.meta-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}
.meta-grid-wide {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.meta-grid dt {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.meta-grid dd {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

h1, h2, h3 {
  margin: 0 0 10px;
  color: var(--text);
}
h2 {
  font-size: 1.6rem;
  line-height: 1.2;
}
h3 {
  font-size: 1.25rem;
  line-height: 1.28;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.btn:hover {
  border-color: var(--line-strong);
  box-shadow: 0 8px 18px rgba(76, 96, 133, 0.08);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: rgba(239, 108, 100, 0.35);
}
.btn-danger:hover {
  background: #ffe7e4;
  border-color: rgba(239, 108, 100, 0.6);
}
.btn-ghost {
  background: var(--card);
}
.btn-topbar {
  min-height: 44px;
  padding-inline: 18px;
}
.btn-wide {
  min-width: 220px;
}

label {
  display: grid;
  gap: 8px;
}
label span {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
input, select, textarea {
  width: 100%;
  min-height: 50px;
  padding: 13px 16px;
  border-radius: var(--radius-input);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
input::placeholder,
textarea::placeholder {
  color: #98a4b8;
}
input:focus,
select:focus,
textarea:focus {
  border-color: rgba(93, 116, 242, 0.55);
  box-shadow: 0 0 0 4px rgba(93, 116, 242, 0.12);
}
textarea {
  min-height: 132px;
  resize: vertical;
}
.field-help {
  margin: 2px 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.5;
}
.field-help code {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
}
.checkbox-row {
  align-items: center;
  gap: 10px;
}
.checkbox-row input[type='checkbox'] {
  width: 18px;
  min-height: 18px;
  height: 18px;
  margin: 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--text-soft);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
}
.muted {
  color: var(--text-soft);
  font-size: 1.05rem;
  line-height: 1.55;
}
.alert {
  padding: 14px 16px;
  border-radius: 18px;
  margin-bottom: 18px;
  border: 1px solid transparent;
}
.alert-info {
  background: #eff5ff;
  border-color: #c8d7ff;
  color: #3452d1;
}
.alert-success {
  background: var(--success-soft);
  border-color: #bfe5d0;
  color: var(--success);
}
.alert-warning {
  background: var(--warn-soft);
  border-color: #f6d99d;
  color: #b98310;
}
.alert-error {
  background: var(--danger-soft);
  border-color: #f5c2bd;
  color: var(--danger);
}
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--line);
  background: var(--pill-bg);
}
.badge-primary {
  color: #3452d1;
  border-color: #cad6ff;
  background: #f4f7ff;
}
.badge-muted {
  color: var(--text-soft);
  border-color: var(--line);
  background: #f8fbfd;
}
.badge-success {
  color: var(--success);
  border-color: #bfe5d0;
  background: var(--success-soft);
}
.badge-warning {
  color: #b98310;
  border-color: #f6d99d;
  background: var(--warn-soft);
}
.badge-error {
  color: var(--danger);
  border-color: #f5c2bd;
  background: var(--danger-soft);
}
.auth-card {
  max-width: 520px;
  margin: 9vh auto 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 30px;
  box-shadow: var(--shadow);
}
.empty-state {
  padding: 34px 26px;
  text-align: center;
  color: var(--text-soft);
  background: var(--card);
  border: 1px dashed var(--line-strong);
  border-radius: 24px;
}
.subnav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding: 14px;
}
.subnav a {
  padding: 11px 16px;
  border-radius: 16px;
  color: var(--text-soft);
}
.subnav a.is-active {
  background: var(--primary);
  color: #fff;
}
.code-block {
  overflow-x: auto;
  white-space: pre-wrap;
  background: #172340;
  color: #edf2fd;
  border-radius: 22px;
  padding: 16px 18px;
  font-size: 13px;
  line-height: 1.55;
}
.plain-list {
  margin: 0;
  padding-left: 20px;
  line-height: 1.6;
}
.topbar__left { justify-content: flex-start; }
.topbar__right { justify-content: flex-end; }
.path-status { gap: 8px; }
.info-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 980px) {
  .topbar__inner {
    grid-template-columns: 1fr auto;
  }
  .brand-logo {
    order: -1;
    justify-self: start;
  }
}
@media (max-width: 860px) {
  .meta-grid,
  .meta-grid-wide,
  .info-grid {
    grid-template-columns: 1fr;
  }
  .page-head,
  .section-title-row {
    flex-direction: column;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav {
    display: none;
    width: 100%;
    padding-top: 10px;
  }
  .nav.is-open {
    display: flex;
  }
  .topbar__inner {
    display: flex;
    flex-wrap: wrap;
    min-height: auto;
  }
  .topbar__right {
    width: 100%;
    justify-content: space-between;
  }
  .container {
    padding: 28px 16px 52px;
  }
  .card,
  .auth-card {
    padding: 22px;
  }
}


.audit-history {
  display: grid;
  gap: 16px;
}
.audit-item {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
  background: var(--card-soft);
}
.audit-item__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.audit-item__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}
.audit-item__sub {
  margin-top: 4px;
}
.audit-meta {
  margin-bottom: 14px;
}
.details-block {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 14px;
}
.details-block summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.small {
  font-size: 0.92rem;
  line-height: 1.5;
  word-break: break-word;
}
.compact-list {
  margin-top: 10px;
}

.subnav-inline {
  margin-bottom: 18px;
  padding: 12px;
}
.subnav-compact {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.subnav-compact a {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
}
.subnav-compact a.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.stats-grid {
  display: grid;
  gap: 16px;
}
.stats-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.stat-card__label {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 10px;
}
.stat-card__value {
  font-size: 1.8rem;
  line-height: 1.1;
  font-weight: 800;
}
.severity-critical { border-color: rgba(239, 108, 100, .35); }
.severity-high { border-color: rgba(245, 183, 78, .45); }
.severity-medium { border-color: rgba(93, 116, 242, .32); }
.severity-low { border-color: rgba(95, 107, 133, .24); }

.content-grid {
  display: grid;
  gap: 18px;
}
.content-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.structure-grid {
  grid-template-columns: minmax(360px, 460px) minmax(0, 1fr);
}

.list-stack {
  display: grid;
  gap: 12px;
}
.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  text-decoration: none;
  background: var(--card);
}
.list-row-static { text-decoration: none; }
.list-row__title {
  font-weight: 700;
}
.small { font-size: 13px; }
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.wrap-anywhere {
  overflow-wrap: anywhere;
  word-break: break-word;
}
.severity {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid transparent;
}
.severity-critical,
.badge-error {
  color: #c63b33;
  background: var(--danger-soft);
  border-color: rgba(239, 108, 100, .35);
}
.severity-high,
.badge-warning {
  color: #a56800;
  background: var(--warn-soft);
  border-color: rgba(245, 183, 78, .45);
}
.severity-medium,
.badge-primary {
  color: var(--primary-dark);
  background: rgba(93, 116, 242, .1);
  border-color: rgba(93, 116, 242, .22);
}
.severity-low,
.badge-muted {
  color: var(--text-soft);
  background: var(--pill-bg);
  border-color: var(--line);
}
.badge-success {
  color: #13784d;
  background: var(--success-soft);
  border-color: rgba(51, 160, 111, .3);
}
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--line);
}

.filter-bar {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: end;
}
.filter-bar-wide label { min-width: 180px; }
.checkbox-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
}
.checkbox-chip input,
.checkbox-row input {
  width: auto;
  min-height: auto;
  margin: 0;
}
.btn-small {
  min-height: 38px;
  padding-inline: 14px;
  font-size: 14px;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th,
.data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}
.data-table thead th {
  font-size: 13px;
  color: var(--text-soft);
  font-weight: 700;
}
.data-table tbody tr:hover {
  background: rgba(93, 116, 242, .03);
}

.tree-list {
  display: grid;
  gap: 8px;
}
.tree-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 16px;
  text-decoration: none;
  background: var(--card);
  padding-right: 12px;
}
.tree-row.is-selected {
  border-color: rgba(93, 116, 242, .38);
  box-shadow: 0 0 0 3px rgba(93, 116, 242, .08);
}
.tree-row__main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.tree-row__type {
  display: inline-flex;
  min-width: 40px;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: var(--text-soft);
}
.card-soft {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
}
.code-block {
  margin: 0;
  padding: 16px;
  border-radius: 16px;
  background: #0f1b39;
  color: white;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}
.details-block summary {
  cursor: pointer;
  font-weight: 700;
}
.field-help {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-soft);
}
.empty-state {
  padding: 20px;
  border: 1px dashed var(--line);
  border-radius: 22px;
  color: var(--text-soft);
  background: var(--bg-soft);
}
.field-row-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

@media (max-width: 1100px) {
  .stats-grid-4,
  .content-grid-2,
  .structure-grid,
  .field-row-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .data-table {
    display: block;
    overflow-x: auto;
  }
}

/* v7 structure board */
.structure-board-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 18px;
  align-items: start;
}
.structure-board-card {
  padding: 20px;
  overflow: hidden;
}
.structure-board-scroll {
  overflow: auto;
  min-height: 70vh;
  padding: 12px 8px 20px;
}
.flow-chart {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 34px;
  min-width: max-content;
  padding: 8px 28px 28px;
}
.flow-node-group {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.flow-node-card {
  width: 320px;
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.flow-node-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(76, 96, 133, 0.12);
  border-color: rgba(93, 116, 242, .26);
}
.flow-node-card.is-selected {
  border-color: rgba(93, 116, 242, .55);
  box-shadow: 0 0 0 4px rgba(93, 116, 242, .10), 0 12px 28px rgba(76, 96, 133, 0.10);
}
.flow-node-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.flow-node-card__type {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-soft);
  font-weight: 800;
}
.flow-node-card__title {
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.35;
}
.flow-node-card__url {
  color: var(--text-soft);
}
.flow-node-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.flow-node-metrics div {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-soft);
  padding: 10px 12px;
}
.flow-node-metrics span {
  display: block;
  font-size: 12px;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.flow-node-metrics strong {
  display: block;
  font-size: 14px;
  line-height: 1.3;
}
.flow-node-group.has-children > .flow-node-card::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -22px;
  width: 2px;
  height: 22px;
  background: var(--line-strong);
  transform: translateX(-50%);
}
.flow-node-children {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  margin-top: 22px;
  padding-top: 26px;
}
.flow-node-children::before {
  content: '';
  position: absolute;
  top: 0;
  left: 48px;
  right: 48px;
  height: 2px;
  background: var(--line-strong);
}
.flow-node-children > .flow-node-group::before {
  content: '';
  position: absolute;
  top: -26px;
  left: 50%;
  width: 2px;
  height: 26px;
  background: var(--line-strong);
  transform: translateX(-50%);
}
.structure-sidebar {
  position: sticky;
  top: 20px;
  display: grid;
  gap: 18px;
}
.structure-sidebar__head {
  display: grid;
  gap: 12px;
}
.structure-sidebar__section {
  padding-top: 2px;
}
.future-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.future-metric {
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.future-metric span {
  display: block;
  font-size: 12px;
  color: var(--text-soft);
  margin-bottom: 6px;
}
.future-metric strong {
  display: block;
  font-size: 15px;
  line-height: 1.35;
}
.structure-toolbar {
  justify-content: flex-end;
}

@media (max-width: 1200px) {
  .structure-board-layout {
    grid-template-columns: 1fr;
  }
  .structure-sidebar {
    position: static;
  }
}

@media (max-width: 860px) {
  .flow-node-card {
    width: 280px;
  }
  .flow-node-children {
    gap: 14px;
  }
  .future-metrics-grid,
  .flow-node-metrics {
    grid-template-columns: 1fr;
  }
}


/* v8 structure full-canvas */
.structure-page--wide {
  width: calc(100vw - 48px);
  margin-left: calc(50% - 50vw + 24px);
}
.structure-title-row {
  padding: 0 24px;
}
.structure-canvas-shell {
  position: relative;
  min-height: 78vh;
  background:
    radial-gradient(circle at 1px 1px, rgba(93, 116, 242, .08) 1px, transparent 0) 0 0 / 28px 28px,
    linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
  border-top: 1px solid rgba(216, 224, 235, .85);
  border-bottom: 1px solid rgba(216, 224, 235, .85);
}
.structure-canvas-toolbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 24px 10px;
  background: linear-gradient(180deg, rgba(238,243,247,.96), rgba(238,243,247,.7) 70%, rgba(238,243,247,0));
  backdrop-filter: blur(6px);
}
.structure-canvas-toolbar__group {
  display: flex;
  gap: 10px;
  align-items: center;
}
.structure-canvas-toolbar__hint {
  font-size: 13px;
  color: var(--text-soft);
}
.structure-canvas-viewport {
  position: relative;
  overflow: hidden;
  min-height: calc(78vh - 64px);
  touch-action: none;
  cursor: grab;
}
.structure-canvas-viewport.is-dragging {
  cursor: grabbing;
}
.structure-canvas-inner {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}
.flow-chart {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 42px;
  min-width: max-content;
  padding: 24px 56px 72px;
}
.flow-node-card {
  position: relative;
  width: 308px;
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(93, 116, 242, .2);
  border-radius: 18px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 14px 28px rgba(76, 96, 133, .10);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  cursor: pointer;
  text-align: left;
}
.flow-node-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(76, 96, 133, .14);
  border-color: rgba(93, 116, 242, .4);
}
.flow-node-children {
  gap: 28px;
}
.flow-node-children::before,
.flow-node-group.has-children > .flow-node-card::after,
.flow-node-children > .flow-node-group::before {
  background: rgba(93, 116, 242, .22);
}
.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 50;
}
.modal.is-open {
  display: block;
}
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 27, 57, .36);
  backdrop-filter: blur(3px);
}
.modal__dialog {
  position: relative;
  width: min(980px, calc(100vw - 40px));
  max-height: calc(100vh - 40px);
  margin: 20px auto;
  overflow: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 64px rgba(15, 27, 57, .22);
  padding: 28px;
}
.modal__dialog--wide {
  width: min(1040px, calc(100vw - 40px));
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.modal-open {
  overflow: hidden;
}
.structure-modal__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
  padding-right: 48px;
}
.structure-modal__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.is-hidden {
  display: none;
}
@media (max-width: 1100px) {
  .structure-page--wide {
    width: auto;
    margin-left: 0;
  }
  .structure-title-row {
    padding: 0;
  }
}
@media (max-width: 900px) {
  .structure-canvas-shell {
    min-height: 72vh;
  }
  .structure-canvas-toolbar {
    flex-wrap: wrap;
    padding-inline: 16px;
  }
  .flow-chart {
    padding-inline: 18px;
  }
  .flow-node-card {
    width: 280px;
  }
  .structure-modal__grid {
    grid-template-columns: 1fr;
  }
}


/* v9 structure cloud grouping */
.flow-node-cloud {
  position: relative;
  margin-top: 22px;
  padding: 28px 24px 24px;
  border: 1px solid rgba(93, 116, 242, .18);
  border-radius: 26px;
  background: rgba(255,255,255,.78);
  box-shadow: 0 16px 34px rgba(76, 96, 133, .08);
}
.flow-node-cloud::before {
  content: '';
  position: absolute;
  top: -22px;
  left: 50%;
  width: 2px;
  height: 22px;
  background: rgba(93, 116, 242, .22);
  transform: translateX(-50%);
}
.flow-node-cloud__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 0 2px;
  font-size: 13px;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 800;
}
.flow-node-cloud__head strong {
  color: var(--text);
  font-size: 14px;
}
.flow-node-cloud__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(220px, 1fr));
  gap: 18px;
  align-items: start;
}
.flow-node-card--compact {
  width: 100%;
  min-width: 220px;
  max-width: 260px;
  padding: 14px;
  gap: 10px;
  border-radius: 16px;
}
.flow-node-card--compact .flow-node-card__title {
  font-size: .94rem;
}
.flow-node-card--compact .flow-node-card__url {
  font-size: 11px;
}
.flow-node-metrics--compact {
  gap: 8px;
}
.flow-node-metrics--compact div {
  padding: 8px 10px;
  border-radius: 12px;
}
.flow-node-metrics--compact span {
  font-size: 11px;
  margin-bottom: 4px;
}
.flow-node-metrics--compact strong {
  font-size: 13px;
}
@media (max-width: 1600px) {
  .flow-node-cloud__grid {
    grid-template-columns: repeat(4, minmax(220px, 1fr));
  }
}
@media (max-width: 1280px) {
  .flow-node-cloud__grid {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
  }
}
@media (max-width: 980px) {
  .flow-node-cloud__grid {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }
}