:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --border: #d9e0e8;
  --text: #16202a;
  --muted: #667382;
  --primary: #126b5b;
  --primary-dark: #0d5145;
  --danger: #b42318;
  --warning-bg: #fff7e6;
  --warning-text: #7a4b00;
  --shadow: 0 16px 40px rgba(25, 38, 52, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
}

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

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

.sidebar {
  background: #111820;
  color: #f5f7fa;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  background: #ffffff;
}

.brand small,
.session-panel small,
.session-panel span {
  display: block;
  color: #aab6c2;
}

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

.nav-button {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: #dbe3ea;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.nav-button.active,
.nav-button:hover {
  background: #1d2834;
  border-color: #2b3a48;
  color: #ffffff;
}

.nav-button strong {
  min-width: 28px;
  height: 24px;
  border-radius: 12px;
  background: #2c3a46;
  display: grid;
  place-items: center;
  font-size: 12px;
}

.session-panel {
  margin-top: auto;
  padding: 14px;
  border: 1px solid #2b3a48;
  border-radius: 8px;
  background: #17212b;
  display: grid;
  gap: 8px;
}

.workspace {
  padding: 28px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.15;
}

.toolbar {
  display: flex;
  align-items: end;
  gap: 10px;
  flex-wrap: wrap;
}

.search {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
}

.search input {
  width: 260px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  padding: 10px 12px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(18, 107, 91, 0.18);
  border-color: var(--primary);
}

button {
  border: 0;
  border-radius: 8px;
  min-height: 40px;
  padding: 0 14px;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.primary-button {
  background: var(--primary);
  color: #ffffff;
}

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

.secondary-button,
.ghost-button {
  background: #e8edf2;
  color: var(--text);
}

.ghost-button {
  background: #253241;
  color: #ffffff;
}

.danger-button {
  background: #fff1f0;
  color: var(--danger);
}

.notice {
  border: 1px solid #f3d08a;
  background: var(--warning-bg);
  color: var(--warning-text);
  padding: 12px 14px;
  border-radius: 8px;
  transition: opacity 0.18s ease;
}

.hierarchy-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 10px;
  align-items: stretch;
}

.chain-node {
  min-height: 58px;
  text-align: left;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  color: var(--text);
  display: grid;
  gap: 4px;
  align-content: center;
}

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

.chain-node strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chain-node.active {
  border-color: var(--primary);
  background: #eef6f4;
}

.chain-arrow {
  color: var(--muted);
  display: grid;
  place-items: center;
  font-size: 24px;
}

.hidden {
  display: none !important;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 18px;
}

.list-panel,
.detail-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.list-heading,
.detail-heading {
  min-height: 64px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.list-heading span,
.detail-heading span {
  color: var(--muted);
  font-size: 13px;
}

.list-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.list-action {
  height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--primary);
  border-radius: 7px;
  background: var(--primary);
  color: #ffffff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.list-action span {
  color: inherit;
  font-size: inherit;
}

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

.list-action:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.entity-list {
  max-height: calc(100vh - 188px);
  overflow: auto;
}

.entity-row {
  width: 100%;
  text-align: left;
  background: #ffffff;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  min-height: 72px;
  padding: 12px 16px;
  display: grid;
  gap: 4px;
}

.entity-row:hover,
.entity-row.active {
  background: var(--panel-soft);
}

.entity-row strong {
  font-size: 15px;
}

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

.tree-row,
.tree-section {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: #ffffff;
  color: var(--text);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  text-align: left;
}

.tree-row {
  padding: 10px 14px;
}

.tree-section {
  min-height: 36px;
  padding: 7px 14px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.tree-row:hover,
.tree-section:hover,
.tree-row.active,
.tree-section.active {
  background: #eef6f4;
}

.tree-row strong,
.tree-section strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-row span,
.tree-section span {
  color: var(--muted);
  font-size: 12px;
}

.tree-level-1 {
  padding-left: 28px;
}

.tree-level-2 {
  padding-left: 42px;
}

.tree-level-3 {
  padding-left: 56px;
}

.tree-level-4 {
  padding-left: 70px;
}

.detail-panel {
  padding-bottom: 16px;
}

.badge {
  min-width: 74px;
  text-align: center;
  background: #eef6f4;
  color: var(--primary);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
}

.form-grid {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

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

.actions {
  padding: 0 16px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.permissions-panel {
  margin: 0 16px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.permissions-heading,
.permission-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) repeat(4, 56px);
  gap: 8px;
  align-items: center;
}

.permissions-heading {
  background: var(--panel-soft);
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}

.permissions-heading strong {
  color: var(--text);
}

.panel-heading {
  background: var(--panel-soft);
  padding: 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.panel-heading strong {
  color: var(--text);
}

.permissions-grid {
  display: grid;
}

.profile-relations-grid {
  display: grid;
}

.user-profile-grid {
  padding: 12px;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.user-profile-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.panel-actions {
  padding: 0 12px 12px;
  display: flex;
  justify-content: flex-end;
}

.user-profile-relations {
  padding: 12px;
}

.user-profile-table {
  display: grid;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.user-profile-row {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(160px, 1fr) 48px;
  gap: 8px;
  align-items: center;
  min-height: 44px;
  padding: 8px 10px;
  border-top: 1px solid var(--border);
}

.user-profile-row:first-child {
  border-top: 0;
}

.user-profile-row.heading {
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.user-profile-empty {
  color: var(--muted);
  font-size: 13px;
}

.icon-danger-button {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: #fff1f0;
  color: #b42318;
  cursor: pointer;
}

.user-extra-grid {
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.user-extra-grid label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.contact-list {
  min-height: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.contact-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #eef6f4;
  color: var(--text);
  font-size: 13px;
}

.contact-empty {
  color: var(--muted);
  font-size: 13px;
}

.contact-editor {
  display: grid;
  gap: 8px;
}

.contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.contact-row.phone-row {
  grid-template-columns: 150px minmax(0, 1fr) auto;
}

.contact-remove {
  min-height: 32px;
  padding: 0 10px;
  background: #fff1f0;
  color: var(--danger);
}

.compact-button {
  justify-self: start;
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

.permission-row {
  min-height: 48px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
}

.profile-relation-row {
  min-height: 52px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 320px);
  gap: 12px;
  align-items: center;
}

.permission-path {
  font-size: 13px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.permission-cell {
  display: grid;
  place-items: center;
}

.permission-cell span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 4px;
  text-align: center;
}

.permission-cell input {
  width: 18px;
  height: 18px;
  padding: 0;
}

@media (max-width: 900px) {
  .app-shell,
  .content-grid,
  .hierarchy-panel {
    grid-template-columns: 1fr;
  }

  .chain-arrow {
    display: none;
  }

  .sidebar {
    min-height: auto;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .toolbar {
    align-items: stretch;
  }

  .search,
  .search input,
  .toolbar button {
    width: 100%;
  }

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

  .span-2 {
    grid-column: span 1;
  }

  .permissions-heading,
  .permission-row,
  .profile-relation-row {
    grid-template-columns: minmax(120px, 1fr) repeat(4, 44px);
  }

  .profile-relation-row {
    grid-template-columns: 1fr;
  }

  .user-profile-grid,
  .user-extra-grid {
    grid-template-columns: 1fr;
  }

  .user-profile-row {
    grid-template-columns: 1fr 1fr 40px;
  }
}