:root {
  color-scheme: light;
  --ui-bg: #f6f8fb;
  --ui-sidebar: #ffffff;
  --ui-surface: #ffffff;
  --ui-surface-muted: #f8fafc;
  --ui-line: #dbe3ee;
  --ui-grid: #edf1f6;
  --ui-text: #182230;
  --ui-muted: #64748b;
  --ui-primary: #2563eb;
  --ui-primary-soft: #eff6ff;
  --ui-primary-ink: #1d4ed8;
  --ui-danger: #dc2626;
  --ui-warning: #b7791f;
  --ui-ok: #15803d;
  --ui-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  --ui-shadow-soft: 0 4px 12px rgba(15, 23, 42, 0.06);
}

body[data-theme="dark"] {
  color-scheme: dark;
  --ui-bg: #111827;
  --ui-sidebar: #0f1623;
  --ui-surface: #182131;
  --ui-surface-muted: #202b3d;
  --ui-line: #314055;
  --ui-grid: #273449;
  --ui-text: #f1f5f9;
  --ui-muted: #a7b3c4;
  --ui-primary: #60a5fa;
  --ui-primary-soft: #172d4d;
  --ui-primary-ink: #93c5fd;
  --ui-danger: #f87171;
  --ui-warning: #fbbf24;
  --ui-ok: #4ade80;
  --ui-shadow: 0 16px 28px rgba(0, 0, 0, 0.34);
  --ui-shadow-soft: 0 8px 18px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ui-bg);
  color: var(--ui-text);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 14px;
  overflow-x: hidden;
}

a {
  color: var(--ui-primary-ink);
  text-decoration: none;
}

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

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--ui-sidebar);
  border-right: 1px solid var(--ui-line);
  padding: 16px 12px;
}

.brand {
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 14px;
  color: var(--ui-text);
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  background: var(--ui-primary);
  color: #ffffff;
  font-weight: 800;
}

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

.brand strong {
  font-size: 14px;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--ui-muted);
  font-size: 12px;
}

.side-nav {
  display: grid;
  gap: 4px;
}

.side-nav a,
.side-nav summary {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--ui-muted);
  font-weight: 650;
  cursor: pointer;
  outline: none;
}

.side-nav details {
  display: grid;
  gap: 2px;
}

.side-nav details a {
  margin-left: 14px;
  min-height: 30px;
  padding-left: 14px;
  font-size: 13px;
}

.side-nav summary {
  list-style: none;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.side-nav summary::-webkit-details-marker {
  display: none;
}

.side-nav a:hover,
.side-nav summary:hover,
.side-nav a.active {
  color: var(--ui-primary-ink);
  background: var(--ui-primary-soft);
}

.workspace {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: color-mix(in srgb, var(--ui-bg) 92%, transparent);
  border-bottom: 1px solid var(--ui-line);
  backdrop-filter: blur(10px);
}

.search-pill {
  min-width: 260px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface);
  color: var(--ui-muted);
  padding: 7px 10px;
  font: inherit;
}

.search-pill span {
  border: 1px solid var(--ui-line);
  border-radius: 5px;
  padding: 1px 5px;
  font-size: 11px;
}

.top-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-create {
  position: relative;
}

.quick-create summary {
  list-style: none;
}

.quick-create summary::-webkit-details-marker {
  display: none;
}

.quick-create div {
  position: absolute;
  top: 42px;
  right: 0;
  z-index: 30;
  min-width: 190px;
  display: grid;
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}

.quick-create a {
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--ui-text);
  font-weight: 650;
}

.quick-create a:hover {
  background: var(--ui-primary-soft);
  color: var(--ui-primary-ink);
}

main {
  min-width: 0;
  max-width: 100%;
  width: min(1500px, calc(100% - 36px));
  margin: 20px auto 44px;
}

.login-main {
  display: grid;
  place-items: start center;
  min-height: 100vh;
  width: 100%;
  padding: 10vh 18px 40px;
}

.headline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 16px;
}

.headline > div {
  display: grid;
  gap: 4px;
}

.headline > div:first-child {
  flex: 0 1 auto;
}

.headline .toolbar {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: nowrap;
  gap: 8px;
  justify-content: flex-end;
  margin: 0;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--ui-primary-ink);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ui-text);
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.15;
}

h2 {
  font-size: 18px;
  line-height: 1.2;
}

h3 {
  font-size: 15px;
}

p {
  margin: 0;
  color: var(--ui-muted);
}

.panel,
.kpi,
.login-panel,
.module-card {
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-soft);
}

.panel {
  min-width: 0;
  max-width: 100%;
  padding: 16px;
  overflow: hidden;
}

.panel-title,
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
}

.toolbar {
  flex-wrap: wrap;
}

.filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface-muted);
  margin-bottom: 12px;
}

.list-panel {
  padding: 28px;
}

.list-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.list-filters > input[name="q"] {
  flex: 1 0 100%;
}

.list-filters .text-input.mini {
  flex: 0 1 190px;
  width: auto;
}

.list-filters .button {
  flex: 0 0 auto;
}

.list-filters .wide {
  flex: 1 0 100%;
}

.filter-label {
  color: var(--ui-muted);
  font-weight: 750;
  white-space: nowrap;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}

.inline-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

.row-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.text-input.mini {
  min-height: 32px;
  min-width: 180px;
  padding: 5px 8px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.kpi {
  min-height: 88px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(180deg, var(--ui-surface) 0%, var(--ui-surface-muted) 100%);
}

.kpi span {
  color: var(--ui-muted);
  font-size: 13px;
  font-weight: 700;
}

.kpi strong {
  font-size: 25px;
  line-height: 1;
}

.kpi.danger strong,
.amount-due {
  color: var(--ui-danger);
}

.kpi.warn strong {
  color: var(--ui-warning);
}

.split,
.triple {
  min-width: 0;
  display: grid;
  gap: 14px;
  align-items: start;
}

.split {
  grid-template-columns: minmax(320px, 420px) 1fr;
}

.lots-layout {
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
}

.triple {
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  margin-bottom: 14px;
}

.module-grid,
.export-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.module-card,
.export-card {
  padding: 16px;
}

.module-card {
  min-height: 128px;
  display: grid;
  align-content: space-between;
  gap: 14px;
}

.module-card strong {
  display: block;
  margin-bottom: 4px;
}

.module-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--ui-muted);
}

.relations-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr minmax(320px, 430px);
  gap: 14px;
  align-items: start;
  margin-bottom: 14px;
}

.lot-rights-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.lot-rights {
  min-width: 0;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface-muted);
  overflow: hidden;
}

.lot-rights header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--ui-grid);
}

.lot-rights header div {
  display: grid;
  gap: 3px;
}

.lot-rights header strong {
  font-size: 18px;
}

.relation-lines {
  display: grid;
}

.relation-line {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--ui-grid);
}

.relation-line:last-child {
  border-bottom: 0;
}

.relation-line.depth-1 {
  padding-left: 30px;
}

.relation-line.depth-2 {
  padding-left: 48px;
}

.relation-branch {
  width: 10px;
  height: 24px;
  border-left: 2px solid var(--ui-primary);
  border-bottom: 2px solid var(--ui-primary);
  opacity: 0.55;
}

.relation-line.depth-0 .relation-branch {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 50%;
  background: var(--ui-primary);
}

.relation-line strong,
.relation-line small {
  display: block;
  overflow-wrap: anywhere;
}

.relation-line small {
  margin-top: 2px;
  color: var(--ui-muted);
  font-size: 12px;
}

.relation-share {
  color: var(--ui-text);
  font-weight: 800;
  white-space: nowrap;
}

.quote-warning {
  margin: 0;
  padding: 10px 12px;
  border-top: 1px solid color-mix(in srgb, var(--ui-warning) 45%, var(--ui-line));
  color: var(--ui-warning);
  font-size: 12px;
  font-weight: 800;
}

.relation-form {
  position: sticky;
  top: 78px;
}

.form-grid,
.form-stack {
  display: grid;
  gap: 12px;
}

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

.form-grid h2,
.form-grid .wide,
.form-grid button,
.config-form button {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 6px;
  color: var(--ui-muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: none;
  color: var(--ui-text);
}

.text-input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--ui-line);
  border-radius: 7px;
  background: var(--ui-surface-muted);
  color: var(--ui-text);
  padding: 8px 10px;
  font: inherit;
}

textarea.text-input {
  min-height: 76px;
  resize: vertical;
}

.checkbox-group {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface-muted);
}

.checkbox-group legend {
  padding: 0 4px;
  color: var(--ui-muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.empty,
.empty-cell {
  color: var(--ui-muted);
  background: var(--ui-surface-muted);
}

.empty {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
}

.empty strong {
  color: var(--ui-text);
}

.empty-cell {
  padding: 18px;
  text-align: center;
}

.button,
.icon-button {
  min-height: 36px;
  border: 1px solid color-mix(in srgb, var(--ui-primary) 70%, var(--ui-line));
  border-radius: 7px;
  background: var(--ui-primary);
  color: #ffffff;
  padding: 8px 12px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}

.button.secondary,
.icon-button {
  background: var(--ui-surface);
  color: var(--ui-primary-ink);
  border-color: var(--ui-line);
}

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

.icon-button {
  min-width: 64px;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  min-width: 980px;
}

.select-col {
  width: 42px;
  text-align: center;
}

.identity-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
}

.avatar {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--ui-primary-soft);
  color: var(--ui-primary-ink);
  font-weight: 850;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--ui-surface);
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--ui-grid);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--ui-surface-muted);
  color: var(--ui-muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

td {
  color: var(--ui-text);
}

.num {
  text-align: right;
  white-space: nowrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 3px 7px;
  border: 1px solid var(--ui-line);
  border-radius: 6px;
  background: var(--ui-surface-muted);
  color: var(--ui-muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.badge.ok {
  border-color: color-mix(in srgb, var(--ui-ok) 55%, var(--ui-line));
  color: var(--ui-ok);
}

.badge.danger,
.flash.error {
  border-color: color-mix(in srgb, var(--ui-danger) 55%, var(--ui-line));
  color: var(--ui-danger);
}

.badge.warning,
.badge.warn,
.flash.warning {
  border-color: color-mix(in srgb, var(--ui-warning) 55%, var(--ui-line));
  color: var(--ui-warning);
}

.flash-stack {
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
}

.flash {
  padding: 10px 12px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface);
  color: var(--ui-text);
  font-weight: 700;
}

.flash.success {
  border-color: color-mix(in srgb, var(--ui-ok) 55%, var(--ui-line));
  color: var(--ui-ok);
}

.inline-alert {
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface);
  color: var(--ui-text);
  font-weight: 700;
}

.inline-alert.warning {
  border-color: color-mix(in srgb, var(--ui-warning) 55%, var(--ui-line));
  color: var(--ui-warning);
}

.definition-grid {
  display: grid;
  grid-template-columns: minmax(140px, 220px) minmax(0, 1fr);
  gap: 10px 14px;
}

.definition-grid span {
  color: var(--ui-muted);
  font-weight: 700;
}

.definition-grid strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.text-preview {
  max-height: 360px;
  overflow: auto;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface-muted);
  color: var(--ui-text);
  font: 13px/1.45 Consolas, "Courier New", monospace;
  white-space: pre-wrap;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  padding: 28px;
}

.modal:target {
  display: block;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.58);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  max-height: calc(100vh - 56px);
  margin: 0 auto;
  overflow: auto;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
  padding: 18px;
}

.modal-card-wide {
  width: min(960px, 100%);
}

.modal-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.help-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding-left: 22px;
  color: var(--ui-text);
}

.help-list li {
  line-height: 1.45;
}

.muted {
  color: var(--ui-muted);
}

.login-panel {
  width: min(420px, 100%);
  padding: 28px;
}

.login-panel h1 {
  color: var(--ui-primary-ink);
  font-size: 28px;
  margin-bottom: 6px;
}

.login-panel .form-stack {
  margin-top: 22px;
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .split,
  .triple,
  .relations-grid {
    grid-template-columns: 1fr;
  }

  .relation-form {
    position: static;
  }
}

@media (max-width: 820px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    position: static;
    height: auto;
    max-height: 330px;
    overflow-y: auto;
    border-right: 0;
    border-bottom: 1px solid var(--ui-line);
  }

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

  .side-nav details a {
    margin-left: 0;
  }

  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
    max-width: 100%;
    min-width: 0;
    padding: 12px;
  }

  .search-pill {
    width: 100%;
    min-width: 0;
  }

  .top-actions {
    margin-left: 0;
  }

  main {
    width: calc(100% - 20px);
    max-width: calc(100% - 20px);
    margin-top: 16px;
  }

  .headline {
    display: block;
  }

  h1 {
    font-size: 24px;
  }

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

  .panel {
    overflow-x: auto;
  }

  table {
    width: max-content;
    min-width: 720px;
  }

  .lot-rights-grid {
    grid-template-columns: 1fr;
  }

  .relation-line {
    grid-template-columns: 14px minmax(0, 1fr);
  }

  .relation-line .badge,
  .relation-share {
    grid-column: 2;
    width: fit-content;
  }
}