:root {
  color-scheme: light;
  --ink: #172026;
  --muted: #66717a;
  --line: #d7dde2;
  --panel: #ffffff;
  --surface: #f4f6f7;
  --soft: #eaf0ee;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --orange: #c96b2c;
  --blue: #286aa6;
  --danger: #b23b3b;
  --shadow: 0 18px 50px rgba(24, 35, 42, 0.12);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100svh;
  color: var(--ink);
  background: #f6f8f8;
}

button,
input,
select,
textarea {
  font: inherit;
  min-width: 0;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1760px, 100%);
  margin: 0 auto;
  padding: 12px 18px 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 4px 6px;
  position: relative;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  width: min(270px, 62vw);
  min-width: 190px;
  text-decoration: none;
}

.brand-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.top-menu-toggle {
  display: none;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 6px 12px;
  font-weight: 800;
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(24px, 2.25vw, 34px);
  line-height: 1.08;
}

h2 {
  font-size: 16px;
}

.top-actions,
.preview-actions,
.export-actions,
.dialog-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.user-badge {
  min-height: 34px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  padding: 6px 8px;
  border-radius: 7px;
}

.user-badge:hover {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.user-menu {
  position: relative;
}

.user-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 30;
  display: grid;
  gap: 6px;
  width: 150px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.98);
  box-shadow: var(--shadow);
}

.user-menu-panel .ghost-btn {
  width: 100%;
  justify-content: center;
}

.workspace {
  display: grid;
  grid-template-columns: 440px minmax(0, 1fr) minmax(300px, 340px);
  gap: 14px;
  align-items: start;
}

.workspace > * {
  min-width: 0;
}

.control-panel,
.preview-panel,
.result-panel {
  background: rgba(255,255,255,0.88);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.7) inset;
}

.control-panel {
  max-height: calc(100svh - 92px);
  overflow: auto;
  padding: 10px 12px;
  display: grid;
  gap: 9px;
}

.step-block {
  border-bottom: 1px solid var(--line);
  padding-bottom: 9px;
  display: grid;
  gap: 7px;
}

.step-block:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 9px;
}

.section-title .title-action {
  margin-left: auto;
  min-height: 28px;
  padding: 5px 8px;
  white-space: nowrap;
  max-width: 156px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-title span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

label {
  display: grid;
  min-width: 0;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.control-panel label:not(.checkline) {
  grid-template-columns: 74px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
}

.control-panel label:not(.checkline) > input,
.control-panel label:not(.checkline) > select {
  grid-column: 2;
}

.control-panel .label-title {
  grid-column: 1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 32px;
  border: 1px solid #cbd3d9;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 5px 9px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.13);
}

input:disabled {
  color: #8b949b;
  background: #eef1f3;
}

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

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

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

.field-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.inline-triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 8px;
}

.inline-triple label {
  display: grid;
  grid-template-columns: max-content 52px !important;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  font-size: 12px;
}

.inline-triple label:nth-child(1) {
  justify-self: start;
}

.inline-triple label:nth-child(2) {
  justify-self: end;
  margin-right: 14px;
}

.inline-triple label:nth-child(3) {
  justify-self: end;
}

.inline-triple input {
  min-width: 0;
  width: 52px !important;
  padding-inline: 7px;
}

.inline-quad {
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  align-items: center;
  column-gap: 7px;
}

.inline-quad label {
  grid-template-columns: max-content minmax(30px, 1fr) !important;
  gap: 3px;
  white-space: nowrap;
  font-size: 10.5px;
  align-items: center;
}

.inline-quad input {
  min-width: 0;
  width: 100% !important;
  max-width: 38px;
  padding-inline: 3px;
  appearance: textfield;
}

.inline-quad input::-webkit-outer-spin-button,
.inline-quad input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.option-row {
  gap: 8px;
  grid-template-columns: repeat(3, max-content) !important;
  align-items: center;
  justify-content: start;
  column-gap: 14px;
}

.option-row .checkline {
  min-height: 28px;
  white-space: nowrap;
  font-size: 12px;
  gap: 5px;
}

.option-row .checkline input {
  width: 17px;
  height: 17px;
}

.field-grid.compact input {
  padding-inline: 7px;
}

.field-grid.compact label {
  grid-template-columns: 36px minmax(0, 1fr);
}

.margin-row {
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
}

.margin-row label {
  grid-template-columns: max-content minmax(42px, 1fr) !important;
  gap: 5px;
  white-space: nowrap;
}

.margin-row input {
  min-width: 0;
  padding-inline: 6px;
}

.field-grid.two label {
  grid-template-columns: 70px minmax(0, 1fr);
}

.hidden {
  display: none !important;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.segmented button {
  min-height: 30px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.segmented button.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 8px rgba(20, 31, 39, 0.12);
}

.segmented button:disabled {
  cursor: not-allowed;
  color: #a7b0b7;
}

.layout-control-panel {
  display: grid;
  gap: 7px;
}

.rotation-control-row,
.layout-pattern-row,
.pattern-axis-row {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.rotation-control-row {
  display: grid;
  grid-template-columns: 26px minmax(42px, 0.55fr) 26px 34px minmax(150px, 1.75fr);
  gap: 4px;
}

.angle-step-group,
.layout-pattern-row,
.pattern-axis-row {
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.angle-step-group {
  display: grid;
  grid-template-columns: repeat(var(--angle-step-count, 2), minmax(0, 1fr));
  gap: 3px;
}

.layout-pattern-row {
  display: grid;
  grid-template-columns: repeat(var(--layout-pattern-count, 2), minmax(0, 1fr));
}

.pattern-axis-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.layout-control-panel button {
  min-height: 30px;
  padding-inline: 4px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  white-space: nowrap;
  font-size: 13px;
}

.layout-control-panel button.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 8px rgba(20, 31, 39, 0.12);
}

.layout-control-panel button:disabled {
  color: #adb5bd;
}

.icon-rotate,
.angle-readout {
  border: 1px solid var(--line) !important;
  background: #fff !important;
}

.angle-readout {
  display: grid;
  place-items: center;
  min-height: 30px;
  font-size: 12px;
  border-radius: 7px;
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 429px) {
  .rotation-control-row.single-step-picker {
    grid-template-columns: 26px 26px 34px minmax(0, 1fr);
  }

  .rotation-control-row.single-step-picker .angle-step-group {
    display: none;
  }
}

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

.locator-mode-controls button {
  font-size: 13px;
  padding-inline: 4px;
  white-space: nowrap;
}

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

.locator-actions .primary-btn:first-child:last-child,
.locator-actions .ghost-btn:first-child:last-child {
  grid-column: 1 / -1;
}

.locator-status {
  margin: 0 0 0 auto;
  max-width: 66%;
  min-width: 0;
  padding: 4px 7px;
  border-radius: 999px;
  background: #fff7ed;
  border: 1px solid rgba(201, 107, 44, 0.28);
  color: #9a4b19;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.checkline {
  display: flex;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
}

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

.settings-subtitle {
  margin: 14px 0 8px;
  font-size: 14px;
  font-weight: 800;
}

.locator-settings-grid {
  margin-bottom: 0;
}

.locator-setting-section {
  display: grid;
  gap: 8px;
}

.locator-setting-section + .locator-setting-section {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.locator-setting-section h5 {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.derived-setting input {
  background: #eef2f2;
  color: var(--muted);
  cursor: default;
}

.primary-btn,
.ghost-btn,
.icon-btn {
  min-height: 34px;
  border-radius: 6px;
  padding: 8px 12px;
  font-weight: 750;
  border: 1px solid transparent;
  box-sizing: border-box;
}

a.primary-btn,
a.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
  text-decoration: none;
}

a.primary-btn:hover,
a.ghost-btn:hover,
a.primary-btn:focus,
a.ghost-btn:focus {
  text-decoration: none;
}

.primary-btn {
  background: var(--accent);
  color: #fff;
}

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

.ghost-btn,
.icon-btn {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.ghost-btn:hover,
.icon-btn:hover {
  border-color: #aeb8bf;
}

#importProductDxf {
  color: var(--accent);
  border-color: var(--accent);
  background: #fff;
}

#importProductDxf:hover {
  color: var(--accent-strong);
  border-color: var(--accent-strong);
  background: #e8f5f3;
}

#generateLocator {
  color: #9a4b19;
  border-color: var(--orange);
  background: #fff5ec;
}

#generateLocator:hover {
  color: #7c3610;
  border-color: #a94f1f;
  background: #ffead8;
}

#exportDxf {
  color: #fff;
  border-color: var(--accent);
  background: var(--accent);
}

#exportDxf:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

#importProductDxf:disabled,
#generateLocator:disabled,
#exportDxf:disabled {
  color: #9ca3af;
  border-color: #d7dde2;
  background: #e5e7eb;
  cursor: not-allowed;
}

.ghost-btn.small {
  min-height: 28px;
  padding: 5px 8px;
  font-size: 12px;
}

.icon-btn {
  width: 38px;
  padding: 0;
  font-size: 22px;
  line-height: 1;
}

.preview-panel {
  min-width: 0;
  overflow: hidden;
}

.preview-toolbar {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
}

.preview-toolbar > div {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 12px;
  min-width: 0;
  width: 100%;
}

.preview-toolbar .eyebrow {
  grid-column: 1;
  grid-row: 1;
}

.preview-title-row {
  display: contents;
}

.preview-title-row h2 {
  grid-column: 1;
  grid-row: 2;
}

.preview-status {
  display: inline-flex;
  align-items: center;
  grid-column: 2;
  grid-row: 1 / span 2;
  max-width: min(760px, 100%);
  min-height: 32px;
  margin: 0;
  padding: 4px 10px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 8px;
  background: #eff6ff;
  color: #2563eb;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  white-space: normal;
}

.svg-stage {
  height: calc(100svh - 132px);
  min-height: 620px;
  background: #f8faf9;
  overflow: auto;
}

#layoutSvg {
  display: block;
  width: 100%;
  height: 100%;
}

.plate {
  fill: #f8faf9;
  stroke: #d32222;
  stroke-width: 2;
}

.clamp-area {
  fill: rgba(37, 99, 235, 0.08);
  stroke: #2563eb;
  stroke-width: 1.2;
  stroke-dasharray: 6 4;
}

.machine-outline {
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.2;
  stroke-dasharray: 8 5;
  opacity: 0.82;
}

.safe-area {
  fill: rgba(15, 118, 110, 0.045);
  stroke: var(--accent);
  stroke-width: 1.2;
  stroke-dasharray: 5 4;
}

.layout-frame {
  fill: rgba(15, 118, 110, 0.035);
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-dasharray: none;
}

.part {
  fill: rgba(15, 118, 110, 0.24);
  stroke: var(--accent-strong);
  stroke-width: 1.2;
}

.part.best {
  fill: rgba(201, 107, 44, 0.25);
  stroke: var(--orange);
}

.locator-outer {
  fill: none;
  stroke: #c96b2c;
  stroke-width: 1.1;
  stroke-dasharray: 5 4;
}

.locator-inner {
  fill: none;
  stroke: #9a3412;
  stroke-width: 1.2;
}

.polygon-raw {
  fill: none;
  stroke-dasharray: 7 5;
  opacity: 0.65;
}

.polygon-rounded {
  fill: rgba(15, 118, 110, 0.2);
  stroke-dasharray: none;
}

.bbox-preview {
  fill: rgba(37, 99, 235, 0.06);
  stroke: #2563eb;
  stroke-width: 1.4;
  stroke-dasharray: 8 5;
}

.dxf-entity {
  fill: none;
  stroke: #064f4a;
  stroke-width: 0.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dim-line {
  stroke: #74808a;
  stroke-width: 1;
}

.margin-dim {
  stroke: #39464e;
  stroke-width: 1;
  stroke-dasharray: none;
}

.part-dim {
  stroke: #39464e;
  stroke-width: 1;
}

.dim-text,
.svg-note {
  fill: #3e4a52;
  font-size: 13px;
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  stroke: none;
}

.margin-text {
  fill: #24313a;
  font-size: 12px;
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  stroke: none;
}

.part-text {
  fill: #24313a;
  font-size: 12px;
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  stroke: none;
}

.watermark-text {
  fill: #0f766e;
  opacity: 0.16;
  font-size: 28px;
  font-weight: 800;
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  pointer-events: none;
  user-select: none;
}

.warning-box {
  margin: 12px 14px 14px;
  padding: 10px 12px;
  border-radius: 7px;
  background: #fff3ec;
  border: 1px solid #efc3a6;
  color: #804319;
  font-size: 14px;
}

.result-panel {
  max-height: calc(100svh - 92px);
  overflow: auto;
  padding: 14px;
  display: grid;
  gap: 12px;
}

.metric-grid span {
  font-size: 12px;
}

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

.metric-grid div {
  min-height: 70px;
  padding: 10px;
  border-radius: 8px;
  background: #f2f5f5;
  display: grid;
  align-content: space-between;
}

.metric-grid span {
  color: var(--muted);
}

.metric-grid strong {
  font-size: 20px;
}

.comparison,
.summary-table {
  display: grid;
  gap: 9px;
}

.result-row {
  width: 100%;
  min-height: 70px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
  display: grid;
  gap: 4px;
  cursor: default;
}

.result-row.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.11);
}

.comparison-option {
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
}

.comparison-option:not(.active):hover {
  border-color: #8fb7b3;
  background: #f7fbfa;
}

.comparison-option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.overflow-candidate {
  border-color: #d97706;
  background: #fffbeb;
  cursor: pointer;
  position: relative;
  grid-template-columns: minmax(0, 1fr) 30px;
  align-items: center;
  padding-right: 10px;
}

.overflow-candidate.active {
  border-color: #d97706;
  background: #fff7ed;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.16);
}

.overflow-candidate strong {
  color: #92400e;
  grid-column: 1;
}

.overflow-candidate span {
  color: #7c2d12;
  grid-column: 1;
  white-space: nowrap;
}

.overflow-candidate .switch-dot {
  grid-column: 2;
  grid-row: 1 / span 2;
  justify-self: end;
  align-self: center;
  width: 24px;
  height: 24px;
  border: 2px solid #d97706;
  border-radius: 999px;
  background: #fff;
  box-shadow: inset 0 0 0 5px #fff;
}

.overflow-candidate.active .switch-dot {
  background: #d97706;
  box-shadow: inset 0 0 0 5px #fff, 0 0 0 3px rgba(217, 119, 6, 0.18);
}

.result-row strong {
  font-size: 18px;
}

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

.export-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
}

.export-mode-row {
  grid-template-columns: 126px minmax(0, 1fr) !important;
}

.compact-export-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
}

.feature-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.advanced-block {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  display: grid;
  gap: 9px;
}

.advanced-block summary {
  cursor: pointer;
  font-weight: 800;
}

.advanced-block p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.dxf-export-row {
  display: grid !important;
  grid-template-columns: max-content minmax(92px, 140px) 92px !important;
  align-items: center;
  gap: 8px;
}

.dxf-export-row select {
  width: 100%;
  min-width: 0;
}

.dxf-export-row button {
  min-height: 34px;
  white-space: nowrap;
}

.summary-table dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(92px, max-content) minmax(0, 1fr);
  gap: 8px 12px;
  font-size: 13px;
}

.summary-table dt {
  color: var(--muted);
  white-space: nowrap;
}

.summary-table dd {
  margin: 0;
  font-weight: 750;
  text-align: right;
  min-width: 0;
  overflow-wrap: anywhere;
}

dialog {
  width: fit-content;
  max-width: calc(100vw - 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  box-shadow: var(--shadow);
}

.compact-dialog {
  width: min(430px, calc(100vw - 20px));
}

.compact-dialog label,
.compact-dialog .field-grid.two label {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

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

.compact-dialog .dialog-actions {
  justify-content: start;
}

.compact-dialog .primary-btn {
  min-width: 58px;
}

#loginDialog,
#draftDialog {
  width: fit-content;
  max-width: calc(100vw - 20px);
}

.legal-consent {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 3px 5px;
  min-height: 28px;
  color: var(--muted);
  font-size: 13px;
}

.legal-consent input {
  width: 17px;
  height: 17px;
  margin: 0 2px 0 0;
  accent-color: var(--accent);
}

.legal-consent label { cursor: pointer; }

.legal-link {
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.legal-link:hover { text-decoration: underline; }
.legal-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#legalDocumentDialog {
  width: min(760px, calc(100vw - 24px));
}

.legal-document-body {
  max-height: min(82vh, 780px);
  grid-template-rows: auto minmax(0, 1fr) auto auto;
}

.legal-document-heading {
  display: flex;
  align-items: baseline;
  min-width: 0;
  gap: 10px;
}

.legal-document-heading h2 { margin: 0; }
.legal-document-heading span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
}

.legal-document-content {
  overflow: auto;
  padding: 2px 12px 2px 0;
  scrollbar-gutter: stable;
}

.legal-document-content section + section { margin-top: 18px; }
.legal-document-content h3 {
  margin: 0 0 7px;
  color: var(--ink);
  font-size: 15px;
}
.legal-document-content p {
  margin: 0 0 8px;
  color: #34434c;
  font-size: 14px;
  line-height: 1.75;
  text-align: justify;
}
.legal-document-content a { color: var(--accent); }
.legal-language-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

#machineDialog {
  width: min(980px, calc(100vw - 28px));
}

.form-status {
  min-height: 18px;
  margin: 0;
  color: var(--danger);
  font-size: 13px;
}

.admin-dialog h3 {
  margin: 0;
  font-size: 15px;
}

.settings-layout {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.settings-nav {
  display: grid;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  position: sticky;
  top: 8px;
}

.settings-nav button {
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  text-align: left;
  padding: 6px 10px;
}

.settings-nav button.active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 1px 8px rgba(20, 31, 39, 0.12);
}

.settings-content {
  min-width: 0;
}

.settings-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
}

.settings-card-wide {
  grid-column: 1 / -1;
}

.settings-card h4 {
  margin: 0;
  font-size: 14px;
}

.settings-card textarea {
  min-height: 86px;
  resize: vertical;
  line-height: 1.45;
}

.settings-help {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.task-queue-settings {
  display: grid;
  gap: 14px;
}

.task-queue-settings section {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.task-queue-settings section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.task-queue-settings h5 {
  margin: 0 0 8px;
  font-size: 14px;
}

.settings-toggle-list {
  display: grid;
  gap: 8px;
}

.backup-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 10px;
}

.backup-toolbar select {
  width: auto;
  min-width: 124px;
}

.backup-toolbar span {
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
}

.backup-list {
  border-top: 1px solid var(--line);
}

.backup-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.backup-main {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.backup-main strong,
.backup-main span {
  overflow-wrap: anywhere;
}

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

.backup-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 6px;
}

.admin-section,
.admin-user-list,
.admin-message-list,
.draft-list,
.library-list {
  display: grid;
  gap: 10px;
}

.draft-list-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.draft-list-heading span {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.draft-row > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.admin-list-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-list-heading h3 {
  margin: 0;
}

.admin-user-search {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(560px, 70%);
}

.admin-user-search input {
  min-width: 0;
  flex: 1;
}

.admin-user-search span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.admin-user-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.admin-user-pagination span {
  min-width: 76px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.admin-user-row,
.draft-row,
.library-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
}

.editable-user-row {
  grid-template-columns: minmax(150px, 1fr) minmax(160px, 1.2fr) minmax(104px, 0.55fr) minmax(104px, 0.55fr) auto;
  align-items: end;
}

.editable-user-row label {
  gap: 4px;
}

.editable-user-row .user-main {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.editable-user-row .user-main span {
  color: var(--muted);
  font-size: 12px;
}

.user-row-actions {
  display: flex;
  gap: 6px;
}

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

.message-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.content-dialog textarea {
  resize: vertical;
  line-height: 1.5;
}

.message-row {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.message-row.done {
  background: #f7f9f9;
  opacity: 0.78;
}

.message-row-head {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(180px, 1.2fr) auto;
  gap: 8px;
  align-items: center;
}

.message-row-head span {
  color: var(--muted);
  font-size: 12px;
}

.message-row-head em {
  font-style: normal;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.message-row p {
  margin: 0;
  color: var(--ink);
  line-height: 1.55;
}

.message-row-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.admin-user-row span {
  grid-column: 1;
  color: var(--muted);
  font-size: 12px;
}

.library-row {
  grid-template-columns: minmax(120px, 0.8fr) minmax(180px, 1.2fr) auto auto;
}

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

.ghost-btn.danger {
  color: var(--danger);
}

.locked-feature {
  color: #7a838a;
  background: #f2f4f5;
}

.upload-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(90px, auto);
  align-items: center;
  gap: 8px;
}

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

.machine-outline-editor {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #f7f9f9;
}

.machine-outline-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.machine-outline-heading span,
.machine-outline-editor small {
  color: var(--muted);
  font-size: 12px;
}

.machine-outline-editor .upload-row {
  grid-template-columns: minmax(180px, 1fr) auto auto;
}

.management-page {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto 24px;
}

.management-shell {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  display: grid;
  gap: 16px;
}

.management-shell > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.management-layout {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.management-nav {
  position: sticky;
  top: 10px;
  display: grid;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.management-nav button {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  text-align: left;
  padding: 7px 10px;
}

.management-nav button.active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 1px 8px rgba(20, 31, 39, 0.12);
}

.management-content,
.management-panel {
  min-width: 0;
}

.management-panel {
  display: grid;
  gap: 14px;
}

.management-panel.admin-section {
  padding-bottom: 0;
  border-bottom: 0;
}

.management-shell .admin-section {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.management-shell .admin-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.management-shell .management-panel.admin-section {
  padding-bottom: 0;
  border-bottom: 0;
}

.account-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.account-summary > div {
  min-width: 0;
  padding: 10px;
  background: var(--soft);
  border-radius: 6px;
  display: grid;
  gap: 4px;
}

.account-summary span { color: var(--muted); font-size: 12px; }
.account-summary strong { overflow-wrap: anywhere; }

.admin-app-body { min-height: 100vh; background: #f4f7f7; }
.admin-app-header {
  height: 72px;
  padding: 8px max(18px, calc((100vw - 1440px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
}
.admin-app-header .brand-logo { height: 52px; }
.admin-header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.admin-header-actions .ghost-btn { white-space: nowrap; }
.language-picker {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  overflow: hidden;
}
.language-picker:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, .12);
}
.language-picker select {
  min-width: 104px;
  min-height: 36px;
  border: 0;
  outline: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 800;
  padding: 6px 28px 6px 34px;
  cursor: pointer;
}
.language-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  width: 15px;
  height: 15px;
  transform: translateY(-50%);
  border: 1.5px solid currentColor;
  border-radius: 50%;
  pointer-events: none;
}
.language-icon::before {
  content: "";
  position: absolute;
  inset: 1px 4px;
  border-left: 1px solid currentColor;
  border-right: 1px solid currentColor;
  border-radius: 50%;
}
.language-icon::after {
  content: "";
  position: absolute;
  left: 1px;
  right: 1px;
  top: 6px;
  border-top: 1px solid currentColor;
}
.admin-header-actions > span {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.admin-app-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 18px auto;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.admin-app-nav {
  position: sticky;
  top: 90px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
}
.admin-app-nav button {
  border: 0;
  background: transparent;
  min-height: 42px;
  text-align: left;
  padding: 8px 12px;
  font-weight: 800;
  color: var(--muted);
  border-radius: 5px;
}
.admin-app-nav button.active { background: #e9f3f2; color: var(--accent); }
.admin-app-content { min-width: 0; }
.admin-view { display: grid; gap: 14px; }
.admin-view-heading { display: flex; justify-content: space-between; align-items: end; }
.admin-view-heading h1 { margin: 0; font-size: 24px; }
.admin-view .admin-section {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}
.security-heading,
.security-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.security-heading h3,
.security-section-heading h2,
.security-section-heading h4 { margin: 0; }
.security-heading-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.security-section-heading > span { color: var(--muted); font-size: 12px; }
.security-usage { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.security-device-list,
.security-event-list,
.security-admin-list { display: grid; gap: 8px; }
.security-device,
.security-event,
.security-admin-device {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
}
.security-device {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
}
.security-device.revoked,
.security-admin-device.revoked { opacity: .62; background: #f6f8f8; }
.security-device-main { min-width: 0; display: grid; gap: 5px; }
.security-device-main > div { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.security-device-main p,
.security-event p { margin: 0; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.security-device-actions,
.security-admin-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.security-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  border-radius: 4px;
  background: #eef2f2;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}
.security-badge.current,
.security-badge.trusted { background: #e4f3f0; color: #08766f; }
.security-badge.revoked { background: #eceff0; color: #5f696d; }
.security-badge.risk-medium { background: #fff4d8; color: #8a5b00; }
.security-badge.risk-high,
.security-badge.risk-critical { background: #ffe8e5; color: #a42d24; }
.security-logout-others {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  align-items: end;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--soft);
}
.security-event {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
}
.security-event-dot { width: 8px; height: 8px; border-radius: 50%; background: #6f7b80; }
.security-event-dot.risk-medium { background: #d49300; }
.security-event-dot.risk-high,
.security-event-dot.risk-critical { background: #c23d32; }
.security-admin-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 140px 140px auto auto;
  gap: 8px;
  margin-bottom: 12px;
}
.security-admin-device {
  display: grid;
  grid-template-columns: minmax(130px, .8fr) minmax(180px, 1.1fr) minmax(180px, 1fr) minmax(110px, auto) minmax(180px, auto);
  align-items: center;
  gap: 10px;
  padding: 10px;
}
.security-admin-user,
.security-admin-device-main,
.security-admin-network { min-width: 0; display: grid; gap: 3px; }
.security-admin-device span:not(.security-badge) { color: var(--muted); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-risk-event { grid-template-columns: 10px minmax(0, 1fr) auto auto; }
.member-user-row { grid-template-columns: minmax(180px, 1.3fr) repeat(7, minmax(100px, .8fr)) auto; }
.fatal-state { max-width: 480px; margin: 15vh auto; text-align: center; }

@media (max-width: 900px) {
  .admin-app-shell { grid-template-columns: 1fr; width: min(100% - 16px, 720px); }
  .admin-app-nav { position: static; grid-template-columns: repeat(3, 1fr); }
  .admin-app-nav button { text-align: center; }
  .member-user-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .member-user-row .user-main, .member-user-row .user-row-actions { grid-column: 1 / -1; }
  .security-admin-toolbar { grid-template-columns: minmax(0, 1fr) 1fr 1fr; }
  .security-admin-toolbar .primary-btn,
  .security-admin-toolbar .ghost-btn { width: 100%; }
  .security-admin-device { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .security-admin-actions { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 820px) {
  .admin-header-actions > span {
    display: none;
  }
}

@media (max-width: 520px) {
  .admin-app-shell { margin-top: 8px; }
  .admin-app-nav { grid-template-columns: repeat(2, 1fr); }
  .admin-app-nav button { min-height: 36px; padding: 5px; font-size: 13px; }
  .admin-view .admin-section { padding: 10px; }
  .member-user-row { grid-template-columns: 1fr 1fr; }
  .account-summary { grid-template-columns: 1fr 1fr; }
  .security-device { grid-template-columns: 1fr; }
  .security-device-actions { justify-content: stretch; }
  .security-device-actions button { flex: 1; }
  .security-logout-others { grid-template-columns: 1fr; }
  .security-admin-toolbar { grid-template-columns: 1fr 1fr; }
  .security-admin-toolbar input { grid-column: 1 / -1; }
  .security-admin-device { grid-template-columns: 1fr; }
  .security-admin-actions { grid-column: auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .security-admin-actions button:last-child { grid-column: 1 / -1; }
  .admin-risk-event { grid-template-columns: 10px minmax(0, 1fr); }
  .admin-risk-event > .security-badge,
  .admin-risk-event > button { grid-column: 2; justify-self: start; }
}

dialog::backdrop {
  background: rgba(16, 24, 30, 0.36);
}

.dialog-body {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.dialog-body header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dialog-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.import-guide-body {
  max-width: 430px;
}

.content-dialog {
  width: min(430px, calc(100vw - 20px));
}

.rich-content {
  color: var(--ink);
  line-height: 1.65;
  font-size: 14px;
  white-space: normal;
}

#aboutContent {
  max-height: min(62vh, 560px);
  overflow-y: auto;
  padding-right: 4px;
}

#aboutContent p {
  margin: 0 0 12px;
  text-indent: 2em;
}

#aboutContent p:last-child {
  margin-bottom: 0;
}

#aboutContent a {
  color: #0f766e;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

#aboutContent a:hover {
  color: #0a5d57;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  white-space: nowrap;
}

.about-stats strong {
  color: var(--ink);
  font-size: 13px;
}

.stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.stats-metric {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #f7faf9;
}

.stats-metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.stats-metric strong {
  display: block;
  margin-top: 4px;
  color: var(--ink);
  font-size: 24px;
}

.stats-section {
  display: grid;
  gap: 9px;
}

.stats-section h4 {
  margin: 0;
}

.stats-section-title {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
}

.stats-section-title > div:first-child {
  display: grid;
  gap: 3px;
}

.stats-section-title h2 {
  margin: 0;
}

.stats-section-title span {
  color: var(--muted);
  font-size: 12px;
}

.stats-chart-section {
  gap: 12px;
  padding: 14px;
}

.stats-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.stats-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.stats-legend i {
  width: 18px;
  height: 5px;
  border-radius: 2px;
}

.stats-legend .visits {
  background: #0f766e;
}

.stats-legend .exports {
  background: #d97706;
}

.stats-trend {
  display: grid;
  gap: 4px;
  padding-top: 4px;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 6px;
  scrollbar-gutter: stable;
}

.stats-trend-row {
  display: grid;
  grid-template-columns: 46px minmax(100px, 1fr) 82px;
  align-items: center;
  gap: 8px;
  min-height: 20px;
  font-size: 12px;
}

.stats-trend-row time,
.stats-trend-row > span {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.stats-trend-row > span {
  text-align: right;
}

.stats-bars {
  position: relative;
  display: grid;
  gap: 2px;
  height: 13px;
}

.stats-bars i {
  display: block;
  height: 5px;
  border-radius: 2px;
}

.stats-bars .visits {
  background: #0f766e;
}

.stats-bars .exports {
  background: #d97706;
}

.stats-scope-list {
  display: grid;
  gap: 6px;
}

.stats-scope-list > div {
  display: grid;
  grid-template-columns: minmax(90px, 1fr) auto auto;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.stats-scope-list > div:last-child {
  border-bottom: 0;
}

.stats-scope-list span {
  color: var(--muted);
}

.view-guide-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 78px 78px;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf9;
}

.guide-cell {
  display: grid;
  place-items: center;
  border: 1.5px solid #0f766e;
  border-radius: 6px;
  background: rgba(15, 118, 110, 0.08);
  color: #08252f;
  font-weight: 800;
}

.guide-main {
  border-color: #0b1117;
  background: rgba(15, 118, 110, 0.18);
}

.guide-side {
  border-style: dashed;
}

.guide-empty {
  border-color: #d3dde2;
  border-style: dashed;
  background: #fff;
}

.guide-empty::after {
  content: "留空";
  color: #9aa7ae;
  font-size: 12px;
}

#machineJson {
  min-height: 430px;
  resize: vertical;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.45;
}

.custom-material-body {
  width: min(390px, calc(100vw - 16px));
  padding: 14px;
}

#customMaterialDialog {
  width: fit-content;
  max-width: calc(100vw - 16px);
}

.custom-material-body .field-grid.three {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 8px;
}

.custom-material-body .field-grid.two {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 8px;
}

.custom-material-body label,
.custom-material-body .field-grid.two label,
.custom-material-body .field-grid.three label {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
}

.custom-material-body label {
  font-size: 11px;
}

.density-calculator label {
  white-space: nowrap;
}

.density-calculator .calc-field {
  display: grid;
  grid-template-columns: minmax(48px, 64px) minmax(0, 1fr);
  align-items: center;
  gap: 6px;
}

.custom-material-body .density-calculator .field-grid.two {
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
}

.custom-material-body .density-calculator .calc-field {
  grid-template-columns: minmax(42px, 58px) minmax(0, 1fr);
}

.custom-material-body .density-calculator .calc-field:nth-child(2) {
  grid-template-columns: minmax(104px, 112px) minmax(0, 1fr);
}

.custom-material-body .density-calculator .calc-field > span {
  grid-column: 1;
}

.custom-material-body .density-calculator .calc-field > input {
  grid-column: 2;
}

.density-calculator .calc-field span {
  line-height: 1.18;
  white-space: nowrap;
}

.custom-material-body input {
  padding-inline: 8px;
}

.density-calculator {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 10px;
}

.calc-title {
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-areas:
      "controls preview"
      "result result";
    grid-template-columns: minmax(330px, 440px) minmax(0, 1fr);
  }

  .control-panel {
    grid-area: controls;
  }

  .preview-panel {
    grid-area: preview;
  }

  .control-panel,
  .result-panel {
    max-height: none;
  }

  .svg-stage {
    height: clamp(520px, 54svh, 720px);
    min-height: 0;
  }

  .result-panel {
    grid-area: result;
    grid-template-columns: minmax(180px, 220px) minmax(0, 1fr) minmax(0, 1fr);
  }

  .summary-table dl {
    grid-template-columns: minmax(92px, max-content) minmax(0, 1fr);
  }
}

@media (min-width: 841px) and (max-width: 1180px) {
  .control-panel {
    max-height: calc(100svh - 82px);
    overflow-y: auto;
  }
}

@media (max-width: 840px) {
  .app-shell {
    padding: 12px;
    overflow-x: hidden;
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
  }

  .brand-logo {
    width: min(210px, 68vw);
    min-width: 0;
  }

  .admin-app-header .brand-logo {
    width: min(270px, 62vw);
    min-width: 190px;
  }

  .top-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 46vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    gap: 6px;
  }

  body.logged-in .top-menu-toggle {
    min-width: 86px;
    max-width: 44vw;
    border-color: rgba(15, 118, 110, 0.26);
    background: #fff;
    color: var(--accent-strong);
    box-shadow: 0 1px 8px rgba(20, 31, 39, 0.08);
  }

  body.logged-in .top-menu-toggle::after {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    flex: 0 0 auto;
    opacity: 0.78;
  }

  body.logged-in .top-menu-toggle[aria-expanded="true"]::after {
    transform: rotate(225deg) translate(-1px, -1px);
  }

  .top-actions {
    position: absolute;
    top: calc(100% + 6px);
    right: 4px;
    z-index: 20;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(360px, calc(100vw - 24px));
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow);
    align-items: stretch;
  }

  .top-actions .ghost-btn,
  .top-actions .primary-btn {
    min-height: 34px;
    justify-content: center;
  }

  .user-menu {
    grid-column: 1 / -1;
  }

  .user-menu-panel {
    position: static;
    width: 100%;
    margin-top: 6px;
    box-shadow: none;
    background: #f8faf9;
  }

  body.logged-in .top-actions.menu-open {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.logged-in .top-actions.menu-open .user-menu {
    display: contents !important;
  }

  body.logged-in .top-actions.menu-open .user-badge {
    display: none;
  }

  body.logged-in .top-actions.menu-open .user-menu-panel {
    display: contents !important;
  }

  body.logged-in .top-actions.menu-open .user-menu-panel.hidden {
    display: contents !important;
  }

  .top-actions.menu-open {
    display: grid;
  }

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

  .preview-actions,
  .export-actions,
  .dialog-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .user-badge {
    grid-column: 1 / -1;
    width: 100%;
    text-align: center;
  }

  .primary-btn,
  .ghost-btn {
    width: 100%;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }

  .control-panel {
    grid-area: auto;
    border-radius: 8px;
    padding: 10px;
  }

  .section-title .title-action {
    max-width: 118px;
    padding-inline: 6px;
    font-size: 11px;
  }

  .control-panel label:not(.checkline),
  .field-grid.two label,
  .field-grid.compact label {
    grid-template-columns: minmax(44px, 52px) minmax(0, 1fr);
  }

  .control-panel,
  .result-panel {
    grid-area: auto;
    grid-column: auto;
  }

  .preview-panel {
    grid-area: auto;
  }

  .result-panel {
    grid-template-columns: minmax(170px, 0.8fr) minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .result-panel > * {
    align-self: start;
  }

  .svg-stage {
    height: clamp(420px, 48svh, 560px);
    min-height: 360px;
  }

  .management-page {
    width: calc(100% - 12px);
    margin-top: 2px;
  }

  .management-shell {
    padding: 8px;
    gap: 8px;
  }

  .management-shell > header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
  }

  .management-shell > header .eyebrow {
    margin-bottom: 1px;
    font-size: 10px;
  }

  .management-shell > header h2 {
    font-size: 15px;
    line-height: 1.2;
  }

  .management-shell > header .ghost-btn {
    width: auto;
    min-height: 30px;
    padding: 5px 9px;
    white-space: nowrap;
    border-color: rgba(15, 118, 110, 0.28);
    color: var(--accent-strong);
  }

  .management-layout {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .management-nav {
    position: static;
    grid-template-columns: repeat(6, minmax(70px, 1fr));
    overflow-x: auto;
    gap: 4px;
    padding: 4px;
  }

  .management-nav button {
    text-align: center;
    white-space: nowrap;
    min-height: 30px;
    padding: 5px 6px;
    font-size: 12px;
  }

  .settings-layout {
    grid-template-columns: 1fr;
  }

  .settings-nav {
    position: static;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow-x: auto;
  }

  .settings-nav button {
    text-align: center;
    white-space: nowrap;
    padding-inline: 6px;
  }

  .management-panel {
    gap: 8px;
  }

  .admin-list-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 6px;
  }

  .admin-user-search {
    width: 100%;
  }

  .stats-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .stats-metric {
    padding: 9px;
  }

  .stats-metric strong {
    font-size: 19px;
  }

  .management-shell .admin-section {
    padding-bottom: 8px;
  }

  .admin-section,
  .admin-user-list,
  .admin-message-list,
  .library-list {
    gap: 7px;
  }

  .management-shell input,
  .management-shell select,
  .management-shell textarea {
    min-height: 29px;
    padding: 4px 7px;
    border-radius: 5px;
    font-size: 12px;
  }

  .management-shell label {
    gap: 3px;
    font-size: 11px;
  }

  .editable-user-row {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(64px, 0.6fr) minmax(64px, 0.6fr) auto;
    align-items: end;
    gap: 6px;
    padding: 6px;
  }

  .editable-user-row .user-main span {
    font-size: 10px;
    line-height: 1.25;
  }

  .message-row-head {
    grid-template-columns: 1fr;
  }

  .message-row-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .user-row-actions {
    display: flex;
    gap: 4px;
  }

  .library-row {
    grid-template-columns: minmax(86px, 0.9fr) minmax(0, 1.4fr) auto auto;
    gap: 6px;
    padding: 6px;
  }

  .library-row strong,
  .library-row span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .management-shell .primary-btn,
  .management-shell .ghost-btn {
    width: auto;
    min-height: 29px;
    padding: 4px 9px;
    font-size: 12px;
  }

  .management-shell .primary-btn.small,
  .management-shell .ghost-btn.small {
    min-width: 44px;
    padding-inline: 7px;
  }

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

  .machine-outline-editor .upload-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .machine-outline-editor .upload-row input[type="file"] {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .stats-section-title {
    align-items: flex-start;
  }

  .stats-trend-row {
    grid-template-columns: 40px minmax(72px, 1fr) 68px;
    gap: 6px;
  }

  .stats-trend {
    max-height: none;
    overflow-y: visible;
    padding-right: 0;
    scrollbar-gutter: auto;
  }

  .field-grid.four.margin-row {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  }

  .margin-row label {
    grid-template-columns: max-content minmax(34px, 1fr) !important;
    gap: 4px;
  }

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

  .field-grid.three.option-row {
    grid-template-columns: repeat(3, max-content) !important;
    column-gap: 10px;
  }

  .option-row .checkline {
    font-size: 11px;
    gap: 4px;
  }

  .admin-create-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
  }

  .settings-card .field-grid.two,
  .settings-card .field-grid.four,
  .locator-settings-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

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

  .field-grid.three.inline-triple {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 6px;
  }

  .inline-triple label {
    grid-template-columns: max-content 50px !important;
    gap: 4px;
  }

  .inline-triple input {
    width: 50px !important;
    padding-inline: 6px;
  }

  .inline-triple label:nth-child(2) {
    margin-right: 10px;
    transform: translateX(12px);
  }

  .custom-material-body .field-grid.three {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr);
  }

  .custom-material-body .field-grid.two {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  }

  .density-calculator .calc-field {
    grid-template-columns: minmax(44px, 58px) minmax(0, 1fr);
  }

  .control-panel label:not(.checkline),
  .field-grid.two label,
  .field-grid.compact label {
    grid-template-columns: minmax(44px, 52px) minmax(0, 1fr);
  }

}

@media print {
  body {
    background: #fff;
  }

  .topbar,
  .control-panel,
  .result-panel,
  .preview-toolbar,
  .warning-box {
    display: none !important;
  }

  .app-shell {
    padding: 0;
  }

  .workspace,
  .preview-panel {
    display: block;
    border: 0;
    box-shadow: none;
  }

  .svg-stage {
    height: 96vh;
    overflow: visible;
    background: #fff;
  }
}

.toast-stack {
  position: fixed;
  right: 18px;
  top: 18px;
  z-index: 9999;
  display: grid;
  gap: 8px;
  width: min(360px, calc(100vw - 32px));
  pointer-events: none;
}

.view-select-body {
  width: min(560px, calc(100vw - 32px));
}

.view-select-canvas {
  display: grid;
  gap: 8px;
}

.view-select-svg {
  width: 100%;
  height: auto;
  border: 1px solid #d8e0e8;
  border-radius: 6px;
  background: #f8fafc;
  touch-action: none;
  user-select: none;
}

.view-select-choice {
  cursor: pointer;
}

.view-select-canvas.framing .view-select-svg {
  cursor: crosshair;
}

.view-select-stroke {
  fill: none;
  stroke: #0f766e;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  opacity: 0.72;
  pointer-events: none;
}

.view-select-box {
  fill: rgba(18, 128, 122, 0.12);
  stroke: #12807a;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.view-select-choice:hover .view-select-box,
.view-select-choice:focus .view-select-box {
  fill: rgba(18, 128, 122, 0.2);
  stroke-width: 3;
}

.view-select-box.auto-main {
  fill: rgba(217, 119, 6, 0.14);
  stroke: #d97706;
}

.view-select-label {
  font-size: 12px;
  font-weight: 700;
  fill: #0f172a;
  pointer-events: none;
}

.view-select-drag-box {
  fill: rgba(217, 119, 6, 0.12);
  stroke: #d97706;
  stroke-width: 2;
  stroke-dasharray: 6 4;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.view-select-hint {
  color: #64748b;
  font-size: 12px;
  line-height: 1.45;
}

.toast-message {
  padding: 10px 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  font-size: 13px;
  line-height: 1.45;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.18);
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.toast-message.leaving {
  opacity: 0;
  transform: translateY(-6px);
}

@media (max-width: 640px) {
  .backup-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
  }

  .backup-toolbar select {
    width: 100%;
    min-width: 0;
  }

  .backup-toolbar span {
    grid-column: 1 / -1;
  }

  .backup-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .backup-actions {
    width: 100%;
  }

  .backup-actions button {
    flex: 1 1 0;
  }

  .result-panel {
    grid-template-columns: 1fr;
  }

  .svg-stage {
    height: 56svh;
    min-height: 330px;
  }

  .editable-user-row {
    grid-template-columns: minmax(0, 1fr) minmax(74px, 0.55fr);
    align-items: end;
  }

  .editable-user-row .user-main,
  .editable-user-row label:first-of-type,
  .editable-user-row .user-row-actions {
    grid-column: 1 / -1;
  }

  .editable-user-row .user-main span {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .editable-user-row .user-row-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .editable-user-row .user-row-actions button {
    width: 100%;
  }

  .management-nav {
    scroll-snap-type: x proximity;
  }

  .management-nav button {
    scroll-snap-align: start;
  }

  .library-row {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .library-row strong {
    grid-column: 1 / -1;
  }

  .toast-stack {
    top: 12px;
    right: 12px;
    width: calc(100vw - 24px);
  }

  .compact-export-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  }

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

  .locator-mode-controls button {
    font-size: 12px;
  }
}