:root {
  color-scheme: light;
  --bg: #f6f1ec;
  --workspace-bg: #f0e9e2;
  --panel: #ffffff;
  --panel-soft: #fbf7f3;
  --panel-strong: #f3e7dc;
  --panel-translucent: rgba(255, 252, 249, 0.95);
  --ink: #2b211b;
  --ink-soft: #4d3d34;
  --muted: #79685e;
  --line: #e2d4c8;
  --line-strong: #bda596;
  --ui-accent: #d85f1f;
  --ui-accent-strong: #a83d0d;
  --ui-accent-soft: #fff0e6;
  --cell: #1e2c3a;
  --plane: #168f7e;
  --direction: #d96d43;
  --blue: #c65318;
  --yellow: #d99b2b;
  --accent: #d94f79;
  --violet: #7c5ac5;
  --lattice-accent: #168f7e;
  --lattice-soft: rgba(22, 143, 126, 0.1);
  --center-accent: #d94f79;
  --center-soft: rgba(217, 79, 121, 0.1);
  --octa-accent: #d38a26;
  --octa-soft: rgba(211, 138, 38, 0.11);
  --tetra-accent: #7c5ac5;
  --tetra-soft: rgba(124, 90, 197, 0.1);
  --topbar-bg: rgba(255, 251, 247, 0.96);
  --grid-line: rgba(154, 112, 78, 0.1);
  --viewer-bg: #faf7f4;
  --input-bg: #fffdfa;
  --active-bg: #d85f1f;
  --active-ink: #ffffff;
  --focus-ring: rgba(216, 95, 31, 0.22);
  --shadow: 0 14px 34px rgba(85, 51, 30, 0.11);
  --fe-plot-bg: #fffaf6;
  --fe-grid-line: #eaded4;
  --fe-boundary: #352f2b;
  --fe-label: #493d37;
  --fe-label-halo: rgba(255, 250, 246, 0.92);
  --fe-critical: #167d75;
  --fe-region-separator: #fffaf6;
  font-family: "Times New Roman", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "微软雅黑", serif;
}

/* Dislocation 3D laboratory */
.dislocation-module {
  padding: 18px;
  background-color: var(--workspace-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
}

.dislocation-workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(320px, 360px) minmax(0, 1fr);
  gap: 18px;
}

.dislocation-control-panel {
  align-self: start;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--ui-accent);
  border-radius: 6px;
  color: var(--ink);
  background: var(--panel-translucent);
  box-shadow: var(--shadow);
}

.dislocation-section {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 14px;
}

.dislocation-section + .dislocation-section {
  border-top: 1px solid var(--line);
}

.dislocation-experiment-tabs {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dislocation-experiment-tabs .segment {
  min-width: 0;
  padding: 0 6px;
  font-size: 14px;
}

.dislocation-range-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.2;
  font-weight: 800;
}

.dislocation-range-label output {
  color: var(--ui-accent-strong);
  font-family: "Times New Roman", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "微软雅黑", serif;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.dislocation-range {
  width: 100%;
  height: 24px;
  margin: 0;
  accent-color: var(--active-bg);
  cursor: pointer;
}

.dislocation-action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.dislocation-action-grid button {
  width: 100%;
  min-width: 0;
  padding: 0 8px;
  font-size: 14px;
}

.dislocation-choice-list {
  display: grid;
  gap: 7px;
}

.dislocation-choice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--panel-soft);
  text-align: left;
  cursor: pointer;
}

.dislocation-choice:hover {
  color: var(--ink);
  border-color: var(--line-strong);
}

.dislocation-choice.is-active {
  color: var(--active-ink);
  border-color: var(--active-bg);
  background: var(--active-bg);
}

.dislocation-choice strong {
  min-width: 0;
  font-size: 15px;
  line-height: 1.25;
  font-weight: 860;
}

.dislocation-choice span {
  font-family: "Times New Roman", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "微软雅黑", serif;
  font-size: 14px;
  white-space: nowrap;
}

.dislocation-select {
  width: 100%;
  min-height: 40px;
  padding: 0 34px 0 11px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink);
  background: var(--input-bg);
  font: inherit;
  font-size: 15px;
  outline: none;
}

.dislocation-select:focus {
  border-color: var(--ui-accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.dislocation-info {
  gap: 12px;
}

.dislocation-info h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.18;
  font-weight: 860;
}

.dislocation-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 0;
}

.dislocation-meta div {
  min-width: 0;
  padding: 9px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-soft);
}

.dislocation-meta dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.15;
  font-weight: 800;
}

.dislocation-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.32;
  font-weight: 820;
  overflow-wrap: anywhere;
}

.dislocation-view-panel {
  position: relative;
  align-self: start;
  min-width: 0;
  height: min(760px, calc(100vh - 88px));
  min-height: 580px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--ui-accent);
  border-radius: 6px;
  background: var(--viewer-bg);
  box-shadow: 0 18px 42px rgba(85, 51, 30, 0.1);
}

.dislocation-viewer-host {
  position: absolute;
  inset: 0;
}

.dislocation-viewer-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: none;
  cursor: grab;
}

.dislocation-viewer-host canvas.is-dragging {
  cursor: grabbing;
}

.dislocation-view-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  gap: 3px;
  max-width: calc(55% - 32px);
  padding: 9px 11px;
  border-left: 3px solid var(--ui-accent);
  color: var(--ink);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.dislocation-view-badge strong {
  font-size: 18px;
  line-height: 1.2;
  font-weight: 880;
}

.dislocation-view-badge span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.25;
}

.dislocation-stacking-compare {
  position: absolute;
  top: 16px;
  right: 16px;
  left: auto;
  bottom: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  min-height: 68px; /* 与左上角 .dislocation-view-badge(FCC 单位位错卡) 视觉等高 */
  width: max-content;
  max-width: min(280px, calc(100% - 240px));
  padding: 10px 14px 10px 16px;
  border-left: 3px solid var(--ui-accent);
  color: var(--ink);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.dislocation-stack-heading {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
  font-weight: 700;
}

.dislocation-stack-row {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.dislocation-stack-row > span:first-child {
  font-size: 11px;
  line-height: 1.2;
  font-weight: 700;
}

.dislocation-stack-sequence {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  font-family: "Times New Roman", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "微软雅黑", serif;
  font-size: 13px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0;
}

.dislocation-stack-sequence i {
  display: inline-grid;
  place-items: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  color: #172027;
  font-style: normal;
}

.dislocation-stack-sequence .site-a { background: #7ebbd5; }
.dislocation-stack-sequence .site-b { background: #4bc3a8; }
.dislocation-stack-sequence .site-c { background: #efb44a; }

.dislocation-stack-sequence b {
  padding: 0 2px;
  color: #d94f79;
  font-size: 20px;
  line-height: 1;
}

.dislocation-stack-row.is-fault > span:first-child {
  color: #c53e6b;
}

.dislocation-legend {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: calc(100% - 32px);
  padding: 9px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.dislocation-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 800;
}

.dislocation-legend i {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

@media (min-width: 1080px) {
  .dislocation-workspace {
    min-height: calc(100vh - 88px);
  }

  .dislocation-view-panel {
    height: min(760px, calc(100vh - 88px));
  }
}

@media (max-width: 820px) {
  .dislocation-module {
    padding: 6px;
  }

  .dislocation-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .dislocation-control-panel {
    overflow: visible;
    border-radius: 6px;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  /* 实验(第1段) 在第1列；位错类型(basic 或 FCC) 在第2列；其余段全宽换行 */
  .dislocation-control-panel > .dislocation-section:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
    border-top: 0;
    border-right: 1px solid var(--line);
  }

  .dislocation-control-panel > .dislocation-section:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
    border-top: 0;
  }

  /* 当 basic 类型不显示时，把 FCC 类型顶到第2列 */
  .dislocation-control-panel:has(> #dislocationBasicControls.is-hidden) > #dislocationFccControls {
    grid-column: 2;
    grid-row: 1;
    border-top: 0;
  }

  .dislocation-control-panel > .dislocation-section:nth-child(n+3) {
    grid-column: 1 / -1;
  }

  /* 位错类型按钮(basic)竖排适配右列 */
  .dislocation-control-panel > .dislocation-section:nth-child(2) .segmented {
    grid-template-columns: 1fr;
  }

  /* FCC 位错类型按钮在右列窄宽里也竖排，从基础层的 3 列改 1 列 */
  .dislocation-control-panel > #dislocationFccControls .dislocation-choice-list {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .dislocation-control-panel > #dislocationFccControls .dislocation-choice {
    min-height: 36px;
    padding: 4px 8px;
    grid-template-columns: auto 1fr;
    text-align: left;
    align-items: center;
    gap: 8px;
  }

  .dislocation-control-panel > #dislocationFccControls .dislocation-choice strong {
    font-size: 13px;
  }

  .dislocation-control-panel > #dislocationFccControls .dislocation-choice span {
    font-size: 11px;
  }

  .dislocation-section {
    gap: 7px;
    padding: 8px;
  }

  .dislocation-info {
    order: 10;
    grid-column: 1 / -1;
    margin-top: 8px;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
    gap: 10px;
  }

  .dislocation-info .structure-info-title h3 {
    font-size: 17px;
  }

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

  .dislocation-meta div {
    padding: 7px 8px;
  }

  .dislocation-meta dt {
    font-size: 12px;
    margin-bottom: 2px;
  }

  .dislocation-meta dd {
    font-size: 13px;
    line-height: 1.3;
  }

  .dislocation-info .fe-note {
    font-size: 13px;
    line-height: 1.45;
    margin: 0;
  }

  .dislocation-experiment-tabs {
    grid-template-columns: 1fr;
  }

  .dislocation-experiment-tabs .segment {
    font-size: 13px;
  }

  /* 位错类型按钮也竖排，适配右列窄宽 */
  .dislocation-control-panel > .dislocation-section:nth-child(2) .segmented {
    grid-template-columns: 1fr;
  }

  .dislocation-choice-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dislocation-choice {
    grid-template-columns: 1fr;
    gap: 2px;
    min-height: 50px;
    padding: 6px;
    text-align: center;
  }

  .dislocation-choice strong,
  .dislocation-choice span {
    font-size: 12px;
    white-space: normal;
  }

  .dislocation-view-panel {
    height: clamp(360px, calc(100svh - 260px), 470px);
    min-height: 360px;
  }

  .dislocation-view-badge {
    top: 8px;
    left: 8px;
    max-width: calc(55% - 16px);
    padding: 4px 7px;
    gap: 1px;
    border-left-width: 2px;
  }

  .dislocation-view-badge strong {
    font-size: 12px;
    line-height: 1.15;
    font-weight: 700;
  }

  .dislocation-view-badge span,
  .dislocation-legend span {
    font-size: 10px;
    line-height: 1.2;
  }

  .dislocation-stacking-compare {
    top: 8px;
    right: 8px;
    left: auto;
    bottom: auto;
    width: auto;
    max-width: calc(45% - 16px);
    gap: 2px;
    padding: 4px 7px;
    border-left-width: 2px;
  }

  .dislocation-stack-heading,
  .dislocation-stack-row > span:first-child {
    font-size: 10px;
  }

  .dislocation-stack-row {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 4px;
  }

  .dislocation-stack-sequence {
    font-size: 11px;
  }

  .dislocation-stack-sequence i {
    width: 12px;
    height: 12px;
  }

  .dislocation-legend {
    right: 10px;
    bottom: 10px;
    gap: 7px;
    max-width: calc(100% - 20px);
    padding: 7px 8px;
  }
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #17110e;
  --workspace-bg: #1c1511;
  --panel: #241b17;
  --panel-soft: #2c211c;
  --panel-strong: #382820;
  --panel-translucent: rgba(36, 27, 23, 0.95);
  --ink: #f4ebe4;
  --ink-soft: #ddcdc3;
  --muted: #b7a399;
  --line: #49362c;
  --line-strong: #705244;
  --ui-accent: #ff8847;
  --ui-accent-strong: #ffad76;
  --ui-accent-soft: rgba(255, 136, 71, 0.14);
  --cell: #d5e0e9;
  --plane: #58cdbc;
  --direction: #f08a61;
  --blue: #ff975a;
  --yellow: #efb95a;
  --accent: #f05e88;
  --violet: #a984f2;
  --lattice-accent: #62d7c5;
  --lattice-soft: rgba(98, 215, 197, 0.12);
  --center-accent: #f05e88;
  --center-soft: rgba(240, 94, 136, 0.12);
  --octa-accent: #efb34f;
  --octa-soft: rgba(239, 179, 79, 0.12);
  --tetra-accent: #ac88f4;
  --tetra-soft: rgba(172, 136, 244, 0.12);
  --topbar-bg: rgba(23, 17, 14, 0.95);
  --grid-line: rgba(214, 150, 100, 0.09);
  --viewer-bg: #1e1714;
  --input-bg: #201713;
  --active-bg: #ff8847;
  --active-ink: #2a1306;
  --focus-ring: rgba(255, 136, 71, 0.24);
  --shadow: 0 16px 38px rgba(0, 0, 0, 0.3);
  --fe-plot-bg: #201916;
  --fe-grid-line: #49372e;
  --fe-boundary: #f0e6df;
  --fe-label: #f2e8e1;
  --fe-label-halo: rgba(32, 25, 22, 0.9);
  --fe-critical: #59cabb;
  --fe-region-separator: #201916;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--ink);
  background: var(--bg);
}

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

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

.topbar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "brand actions"
    "nav nav";
  row-gap: 10px;
  align-items: center;
  min-height: 112px;
  padding: 12px 22px 14px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.topbar-actions {
  grid-area: actions;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--panel);
  box-shadow: 0 5px 14px rgba(23, 36, 51, 0.08);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--line-strong);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.theme-toggle span {
  font-size: 23px;
  line-height: 1;
}

.workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
}

.module-view {
  min-height: calc(100vh - 88px);
  min-width: 0;
}

.module-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  padding: 14px 22px;
  border-top: 1px solid rgba(158, 177, 188, 0.42);
  color: #607d8b;
  background: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  line-height: 1.55;
}

.module-footer-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
  text-align: left;
}

.module-footer-copy strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.35;
}

.module-footer-qr {
  display: grid;
  justify-items: center;
  gap: 5px;
  flex: 0 0 auto;
  margin: 0;
  color: #607d8b;
  font-size: 13px;
  line-height: 1.2;
  text-align: center;
}

.module-footer-qr img {
  display: block;
  width: 92px;
  height: 92px;
  padding: 4px;
  border: 1px solid #d6e1e6;
  border-radius: 8px;
  background: #fff;
  object-fit: contain;
}

.control-panel {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.96);
  border-right: 1px solid var(--line);
  box-shadow: 12px 0 36px rgba(23, 33, 39, 0.08);
  overflow-y: auto;
}

.brand {
  grid-area: brand;
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: auto;
  height: 68px;
  flex: 0 0 auto;
  object-fit: contain;
  background: transparent;
}

h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.18;
  font-weight: 860;
}

.brand p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
}

.brand .brand-name {
  color: var(--direction);
  font-size: 19px;
  line-height: 1.25;
  font-weight: 900;
}

.brand .visit-ordinal {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-top: 7px;
  padding: 0 9px;
  border: 1px solid #f3c18d;
  border-radius: 8px;
  color: #9a3412;
  background: #fff3e7;
  font-size: 14px;
  line-height: 1.2;
  font-weight: 860;
}

.org-card {
  grid-area: org;
  display: inline-grid;
  grid-template-columns: 46px auto;
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 5px 10px 5px 6px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.org-card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 8px 18px rgba(38, 50, 56, 0.1);
  transform: translateY(-1px);
}

.org-card img {
  display: block;
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.org-card span {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.org-card strong {
  font-size: 16px;
  line-height: 1.1;
  font-weight: 860;
}

.org-card small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.1;
  white-space: nowrap;
}

.module-nav {
  grid-area: nav;
  min-width: 0;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-start;
  overflow-x: auto;
  scrollbar-width: none;
}

.module-nav::-webkit-scrollbar {
  display: none;
}

.module-tab {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #37474f;
  background: #f7fafb;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
}

.module-tab.is-active {
  color: #fff;
  background: var(--cell);
  border-color: var(--cell);
}

.module-tab:disabled {
  color: #90a4ae;
  cursor: default;
  background: #f1f4f5;
}

.control-section {
  display: grid;
  gap: 10px;
}

.compact-section {
  gap: 8px;
}

.control-label {
  color: #37474f;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 800;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef3f5;
  gap: 4px;
}

.segment {
  min-height: 40px;
  border: 0;
  border-radius: 6px;
  color: #455a64;
  background: transparent;
  cursor: pointer;
  transition:
    background-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

.segment.is-active {
  color: var(--ink);
  background: #fff;
  box-shadow: 0 4px 14px rgba(25, 32, 36, 0.12);
}

.mode-segmented .segment {
  min-height: 48px;
  font-size: 19px;
  font-weight: 860;
}

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

.mode-segmented .segment.is-active {
  box-shadow:
    inset 0 -3px 0 var(--plane),
    0 4px 14px rgba(25, 32, 36, 0.12);
}

.mode-segmented [data-mode="direction"].is-active {
  box-shadow:
    inset 0 -3px 0 var(--direction),
    0 4px 14px rgba(25, 32, 36, 0.12);
}

.mode-segmented [data-mode="overlay"].is-active {
  box-shadow:
    inset 0 -3px 0 var(--blue),
    0 4px 14px rgba(25, 32, 36, 0.12);
}

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

.overlay-chip {
  flex: 1 1 145px;
}

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

.index-input,
.small-input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 13px;
  outline: none;
}

.index-input::placeholder {
  color: #8b979e;
}

.index-input:focus,
.small-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 114, 178, 0.18);
}

.small-input {
  max-width: 130px;
}

.input-hint {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.primary-button,
.ghost-button,
.chip {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.primary-button {
  min-width: 72px;
  padding: 0 15px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 8px 18px rgba(0, 114, 178, 0.22);
}

.ghost-button {
  padding: 0 13px;
  color: #263139;
  background: #fff;
  border-color: var(--line-strong);
}

.primary-button:hover,
.ghost-button:hover,
.chip:hover {
  filter: brightness(0.98);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 0 11px;
  color: #37474f;
  background: #eef5f6;
  border-color: #d8e5e9;
  font-size: 15px;
}

/* 叠加功能下不显示「常用指数」（提示文字 + 快捷按钮） */
.crystal-module .index-section.hide-common .input-hint,
.crystal-module .index-section.hide-common .chip-row {
  display: none;
}

.readout-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
}

.status-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  color: #263238;
  font-size: 16px;
  line-height: 1.45;
}

.status-dot {
  width: 9px;
  height: 9px;
  margin-top: 6px;
  border-radius: 99px;
  background: var(--plane);
}

.status-dot.is-error {
  background: var(--direction);
}

.metric-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.metric-list div {
  min-width: 0;
  padding: 10px 8px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #e4ebee;
}

.metric-list dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.2;
}

.metric-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.25;
  font-weight: 840;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

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

.tool-section .ghost-button {
  width: 100%;
}

.iron-carbon-module {
  padding: 18px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.66) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.66) 1px, transparent 1px),
    linear-gradient(145deg, #f5f9fa 0%, #e7f0f3 100%);
  background-size: 36px 36px, 36px 36px, 100% 100%;
}

.fe-workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 390px);
  gap: 16px;
}

.fe-chart-panel,
.fe-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(23, 33, 39, 0.08);
}

.fe-chart-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
}

.fe-panel-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.fe-panel-actions {
  display: grid;
  gap: 8px;
  justify-items: end;
}

.fe-panel-actions .ghost-button {
  width: 100%;
  min-width: 112px;
}

.fe-panel-head h2,
.fe-card-title h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.16;
  font-weight: 860;
  letter-spacing: 0;
}

.fe-panel-head h2 {
  font-size: 25px;
}

.fe-panel-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.3;
}

.fe-carbon-field {
  display: grid;
  grid-template-columns: auto 92px;
  gap: 8px;
  align-items: center;
  color: #37474f;
  font-size: 15px;
  font-weight: 800;
}

.fe-carbon-field input {
  width: 92px;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

.fe-carbon-field input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 114, 178, 0.16);
}

.fe-chart-shell {
  min-height: 0;
  overflow: auto;
  border: 1px solid #dbe6ea;
  border-radius: 8px;
  background: #fbfdfe;
}

.fe-chart-host {
  min-width: 780px;
}

.fe-chart-svg {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
}

.fe-plot-bg {
  fill: #f9fbfc;
  stroke: #c7d6dd;
  stroke-width: 1.5;
}

.fe-grid line {
  stroke: #d8e4e8;
  stroke-width: 1;
}

.fe-grid,
.fe-phase-lines,
.fe-phase-details,
.fe-axes,
.fe-chart-labels {
  pointer-events: none;
}

.fe-region {
  cursor: pointer;
  opacity: 0.88;
  stroke: var(--fe-region-separator);
  stroke-width: 1.2;
  transition:
    opacity 160ms ease,
    filter 160ms ease,
    stroke 160ms ease;
}

.fe-region:hover,
.fe-region.is-selected {
  opacity: 1;
  stroke: var(--fe-boundary);
  stroke-width: 2.4;
  filter: saturate(1.12) brightness(1.02);
}

.fe-region-selection {
  pointer-events: none;
  fill-opacity: 0.18;
  stroke: var(--fe-boundary);
  stroke-width: 4;
  stroke-linejoin: round;
  paint-order: stroke fill;
}

.fe-phase-lines polyline {
  fill: none;
  stroke: var(--fe-boundary);
  stroke-width: 2.2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.fe-phase-lines .is-critical {
  stroke: var(--fe-critical);
  stroke-width: 2.6;
}

.fe-phase-lines .is-peritectic {
  stroke-width: 2.8;
}

.fe-phase-details polyline {
  fill: none;
  stroke-linecap: round;
}

.fe-phase-details .fe-alpha-solvus-halo {
  stroke: var(--panel-soft);
  stroke-width: 7;
}

.fe-phase-details .fe-alpha-solvus {
  stroke: var(--ink);
  stroke-width: 2.8;
}

.fe-phase-details circle {
  fill: var(--ink);
  stroke: var(--panel-soft);
  stroke-width: 2;
}

.fe-axes line {
  stroke: var(--fe-boundary);
  stroke-width: 1.7;
}

.fe-axes text,
.fe-chart-labels text {
  fill: var(--fe-label);
  font-size: 18px;
  font-weight: 750;
}

.fe-axis-title {
  font-size: 20px;
  font-weight: 860;
}

.fe-chart-labels text {
  fill: var(--fe-label);
  paint-order: stroke;
  stroke: var(--fe-label-halo);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.fe-chart-labels .fe-compact-phase-label {
  font-size: 13px;
  font-weight: 800;
}

.fe-axis-hit {
  fill: transparent;
  cursor: ew-resize;
  pointer-events: all;
}

.fe-carbon-cursor {
  cursor: ew-resize;
  pointer-events: all;
}

.fe-carbon-cursor line {
  stroke: var(--direction);
  stroke-width: 3;
  stroke-dasharray: 9 7;
}

.fe-carbon-cursor polygon {
  fill: var(--direction);
  stroke: #fff;
  stroke-width: 4;
}

.fe-carbon-cursor text {
  fill: #fff;
  stroke: none;
  font-size: 18px;
  font-weight: 860;
  paint-order: stroke;
}

.fe-composition-strip {
  display: grid;
  grid-template-columns: auto auto minmax(180px, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid #dbe6ea;
  border-radius: 8px;
  background: #f7fafb;
}

.fe-kicker {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.15;
  font-weight: 800;
}

.fe-composition-strip strong {
  color: var(--ink);
  font-size: 19px;
  line-height: 1.2;
  font-weight: 860;
}

.fe-mobile-region {
  display: none;
}

.fe-carbon-range {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--direction);
}

.fe-carbon-manual-field {
  grid-column: 3;
  grid-template-columns: minmax(0, 1fr) 92px;
  width: 100%;
  justify-self: stretch;
}

.fe-info-panel {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.fe-card {
  display: grid;
  gap: 13px;
  padding: 16px;
}

.fe-card-title h3 {
  font-size: 22px;
}

.fe-detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin: 0;
}

.fe-detail-list div {
  min-width: 0;
  padding: 10px;
  border: 1px solid #e0eaee;
  border-radius: 8px;
  background: #fff;
}

.fe-detail-list dt {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.15;
  font-weight: 800;
}

.fe-detail-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.35;
  font-weight: 800;
}

.fe-note {
  margin: 0;
  color: #455a64;
  font-size: 16px;
  line-height: 1.55;
}

.fe-room-method {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.fe-room-section {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.fe-room-section + .fe-room-section {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.fe-room-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.2;
  font-weight: 860;
}

.fe-room-section-title::before {
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--ui-accent);
  content: "";
}

.fe-bar-list,
.fe-breakdown {
  display: grid;
  gap: 10px;
}

.fe-bar-list > div,
.fe-structure-item {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.fe-bar-label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: #37474f;
  font-size: 15px;
  line-height: 1.2;
}

.fe-bar-label strong {
  color: var(--ink);
  font-weight: 860;
  font-variant-numeric: tabular-nums;
}

.fe-bar-fill {
  display: block;
  height: 9px;
  max-width: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--plane), #4db6ac);
}

.fe-bar-cementite {
  background: linear-gradient(90deg, var(--direction), #ffb300);
}

.structure-module {
  padding: 18px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.66) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.66) 1px, transparent 1px),
    linear-gradient(145deg, #f5f9fa 0%, #e7f0f3 100%);
  background-size: 36px 36px, 36px 36px, 100% 100%;
}

.structure-workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(310px, 380px) minmax(0, 1fr);
  gap: 16px;
}

.structure-control-panel {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.structure-card,
.structure-view-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(23, 33, 39, 0.08);
}

.structure-card {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.structure-head-card h2,
.structure-info-title h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.16;
  font-weight: 860;
}

.structure-head-card h2 {
  font-size: 24px;
}

.structure-head-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.structure-list-card {
  max-height: 330px;
  overflow: hidden;
}

.structure-select {
  display: none;
  width: 100%;
  min-height: 44px;
  padding: 0 40px 0 12px;
  border: 1px solid #d2e0e6;
  border-radius: 8px;
  color: var(--ink);
  background: #f8fafb;
  font: inherit;
  font-size: 17px;
  font-weight: 820;
  outline: none;
}

.structure-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(2, 119, 189, 0.14);
}

.structure-list {
  display: grid;
  gap: 7px;
  overflow: auto;
  padding-right: 2px;
}

.structure-list-item {
  display: grid;
  gap: 4px;
  min-height: 54px;
  padding: 9px 10px;
  border: 1px solid #dbe6ea;
  border-radius: 8px;
  color: #263238;
  background: #f8fafb;
  text-align: left;
  cursor: pointer;
}

.structure-list-item span {
  font-size: 16px;
  line-height: 1.2;
  font-weight: 860;
}

.structure-list-item small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.2;
}

.structure-list-item.is-active {
  color: #fff;
  border-color: var(--cell);
  background: var(--cell);
}

.structure-list-item.is-active small {
  color: rgba(255, 255, 255, 0.72);
}

.structure-tools {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.structure-tools .ghost-button.is-active {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.structure-tools .ghost-button:disabled {
  color: #90a4ae;
  cursor: default;
  background: #eef3f5;
  border-color: #dbe6ea;
}

.structure-slider {
  display: grid;
  gap: 6px;
  color: #37474f;
  font-size: 15px;
  font-weight: 800;
}

.structure-slider input {
  width: 100%;
  accent-color: var(--blue);
}

.structure-info-title h3 {
  font-size: 21px;
}

.structure-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.structure-meta div {
  min-width: 0;
  padding: 9px 8px;
  border: 1px solid #e0eaee;
  border-radius: 8px;
  background: #fff;
}

.structure-meta dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.15;
  font-weight: 800;
}

.structure-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.25;
  font-weight: 840;
  overflow-wrap: anywhere;
}

.structure-link {
  color: var(--blue);
  font-size: 15px;
  line-height: 1.2;
  font-weight: 800;
  text-decoration: none;
}

.structure-link:hover {
  text-decoration: underline;
}

.structure-view-panel {
  position: relative;
  align-self: start;
  overflow: hidden;
  height: min(720px, calc(100vh - 108px));
  min-height: 560px;
  background:
    radial-gradient(circle at 42% 20%, rgba(255, 255, 255, 0.96), transparent 36%),
    radial-gradient(circle at 58% 70%, rgba(0, 137, 123, 0.07), transparent 32%),
    linear-gradient(145deg, #f7fafb 0%, #e9f1f4 100%);
}

.structure-viewer-host {
  position: absolute;
  inset: 0;
}

.structure-viewer-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.structure-view-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  gap: 2px;
  max-width: calc(100% - 150px);
  padding: 8px 10px;
  border-left: 3px solid var(--plane);
  color: var(--ink);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
}

.structure-view-badge strong {
  font-size: 16px;
  line-height: 1.2;
  font-weight: 860;
  overflow-wrap: anywhere;
}

.structure-view-badge span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.structure-legend {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 32px);
  padding: 9px 11px;
  border: 1px solid rgba(170, 183, 191, 0.72);
  border-radius: 8px;
  color: #263139;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  font-size: 15px;
  line-height: 1.2;
}

.structure-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.structure-legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.interstitial-module {
  padding: 18px;
  background-color: var(--workspace-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
}

.interstitial-workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(330px, 390px) minmax(0, 1fr);
  gap: 16px;
}

.interstitial-control-panel {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.interstitial-card,
.interstitial-view-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-translucent);
  box-shadow: var(--shadow);
}

.interstitial-card {
  display: grid;
  gap: 11px;
  padding: 14px;
}

.interstitial-head-card h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.16;
  font-weight: 860;
  letter-spacing: 0;
}

.interstitial-head-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.interstitial-lattice-tabs {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.interstitial-slider {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.2;
  font-weight: 800;
}

.interstitial-slider output {
  color: var(--lattice-accent);
  font-size: 16px;
  font-weight: 860;
  font-variant-numeric: tabular-nums;
}

.interstitial-range {
  width: 100%;
  accent-color: var(--lattice-accent);
}

.interstitial-switch-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.interstitial-switch {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  min-width: 0;
  min-height: 82px;
  padding: 10px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--panel-soft);
  cursor: pointer;
  opacity: 0.58;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease,
    transform 160ms ease;
}

.interstitial-switch:hover {
  opacity: 0.82;
  transform: translateY(-1px);
}

.interstitial-switch:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.interstitial-switch strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
  font-weight: 860;
}

.interstitial-switch span {
  font-size: 14px;
  line-height: 1.25;
  font-weight: 830;
  overflow-wrap: anywhere;
}

.interstitial-switch.is-active {
  opacity: 1;
}

.interstitial-switch.is-lattice.is-active {
  color: var(--lattice-accent);
  border-color: var(--lattice-accent);
  background: var(--lattice-soft);
}

.interstitial-switch.is-center.is-active {
  color: var(--center-accent);
  border-color: var(--center-accent);
  background: var(--center-soft);
}

.interstitial-switch.is-octa.is-active {
  color: var(--octa-accent);
  border-color: var(--octa-accent);
  background: var(--octa-soft);
}

.interstitial-switch.is-tetra.is-active {
  color: var(--tetra-accent);
  border-color: var(--tetra-accent);
  background: var(--tetra-soft);
}

.interstitial-info-card {
  gap: 12px;
}

.interstitial-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin: 0;
}

.interstitial-meta div {
  min-width: 0;
  padding: 9px 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  text-align: center;
}

.interstitial-meta dt {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
  font-weight: 800;
}

.interstitial-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.1;
  font-weight: 860;
  font-variant-numeric: tabular-nums;
}

.interstitial-view-panel {
  position: relative;
  align-self: start;
  overflow: hidden;
  height: min(740px, calc(100vh - 108px));
  min-height: 580px;
  background: var(--viewer-bg);
}

.interstitial-viewer-host {
  position: absolute;
  inset: 0;
}

.interstitial-viewer-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: none;
}

.interstitial-view-actions {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  gap: 7px;
}

.viewer-icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  cursor: pointer;
  font-size: 23px;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(11, 23, 34, 0.11);
}

.viewer-icon-button:hover {
  border-color: var(--lattice-accent);
  color: var(--lattice-accent);
}

.viewer-icon-button:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.interstitial-view-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  gap: 2px;
  min-width: 78px;
  padding: 9px 11px;
  border-left: 3px solid var(--lattice-accent);
  color: var(--ink);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
}

.interstitial-view-badge strong {
  font-size: 20px;
  line-height: 1.1;
  font-weight: 880;
}

.interstitial-view-badge span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
}

.interstitial-view-badge small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
  font-weight: 800;
  white-space: nowrap;
}

.interstitial-legend {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  max-width: calc(100% - 32px);
  padding: 9px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink-soft);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  font-size: 15px;
  line-height: 1.2;
}

.interstitial-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.interstitial-swatch {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.swatch-lattice {
  background: linear-gradient(135deg, var(--lattice-accent) 0 50%, var(--center-accent) 50% 100%);
}

.swatch-octa {
  background: var(--octa-accent);
}

.swatch-tetra {
  background: var(--tetra-accent);
}

.ternary-module {
  padding: 18px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.68) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.68) 1px, transparent 1px),
    linear-gradient(145deg, #f6f9fa 0%, #e7f0f3 100%);
  background-size: 36px 36px, 36px 36px, 100% 100%;
}

.ternary-workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
  gap: 16px;
}

.ternary-control-panel {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.ternary-workspace > .ternary-info-card {
  align-self: start;
  gap: 12px;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 108px);
  overflow: auto;
}

.ternary-card,
.ternary-view-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(23, 33, 39, 0.08);
}

.ternary-card {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.ternary-head-card h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.16;
  font-weight: 860;
}

.ternary-head-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.ternary-select {
  width: 100%;
  min-height: 42px;
  padding: 0 38px 0 12px;
  border: 1px solid #d2e0e6;
  border-radius: 8px;
  color: var(--ink);
  background: #f8fafb;
  font: inherit;
  font-size: 16px;
  font-weight: 820;
  outline: none;
}

.ternary-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(2, 119, 189, 0.14);
}

.ternary-list-card {
  max-height: 380px;
  overflow: hidden;
}

.ternary-list-card .ternary-select {
  display: none;
}

.ternary-region-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 7px;
  overflow: auto;
  padding-right: 2px;
}

.ternary-region-list.is-collapsed {
  display: none;
}

.ternary-region-item {
  display: grid;
  gap: 4px;
  min-height: 54px;
  padding: 9px 10px;
  border: 1px solid #dbe6ea;
  border-radius: 8px;
  color: #263238;
  background: #f8fafb;
  text-align: left;
  cursor: pointer;
}

.ternary-region-item span {
  font-size: 14px;
  line-height: 1.2;
  font-weight: 860;
}

.ternary-region-item small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.ternary-region-item.is-active {
  color: #fff;
  border-color: #263238;
  background: #263238;
}

.ternary-region-item.is-active small {
  color: rgba(255, 255, 255, 0.72);
}

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

.ternary-tools .ghost-button {
  width: 100%;
}

.ternary-tools .ghost-button.is-active {
  color: #fff;
  border-color: #0277bd;
  background: #0277bd;
}

.ternary-tools .ghost-button:disabled {
  color: var(--muted);
  border-color: var(--line);
  background: var(--panel-strong);
  cursor: default;
}

.ternary-viewer-host canvas.is-region-drag-mode {
  cursor: grab;
}

.ternary-viewer-host canvas.is-region-dragging {
  cursor: grabbing;
}

#ternaryExportButton {
  grid-column: 1 / -1;
}

.ternary-mobile-section-toggle {
  display: none;
}

.ternary-section-card {
  gap: 12px;
}

.ternary-section-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.ternary-section-mode {
  grid-template-columns: 1fr;
}

.ternary-section-fields {
  display: grid;
  gap: 8px;
}

.ternary-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  color: #37474f;
  font-size: 15px;
  font-weight: 800;
}

.ternary-field input,
.ternary-point-grid input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 9px;
  outline: none;
  font: inherit;
}

.ternary-field input:focus,
.ternary-point-grid input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(2, 119, 189, 0.14);
}

.ternary-point-grid {
  display: grid;
  grid-template-columns: 34px repeat(3, minmax(0, 1fr));
  gap: 7px;
  align-items: center;
  color: #37474f;
  font-size: 14px;
  line-height: 1.2;
  font-weight: 800;
}

.ternary-point-grid strong {
  color: var(--ink);
  font-size: 15px;
}

.ternary-section-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.ternary-section-actions .primary-button,
.ternary-section-actions .ghost-button {
  width: 100%;
}

.ternary-info-card {
  gap: 12px;
}

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

.ternary-meta div {
  min-width: 0;
  padding: 9px 8px;
  border: 1px solid #e0eaee;
  border-radius: 8px;
  background: #fff;
}

.ternary-meta div:nth-child(3),
.ternary-meta div:nth-child(4),
.ternary-meta div:nth-child(5) {
  grid-column: 1 / -1;
}

.ternary-meta dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.15;
  font-weight: 800;
}

.ternary-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.3;
  font-weight: 840;
  overflow-wrap: anywhere;
}

.ternary-view-panel {
  position: relative;
  align-self: start;
  overflow: hidden;
  height: min(740px, calc(100vh - 108px));
  min-height: 580px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.74) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.74) 1px, transparent 1px),
    linear-gradient(145deg, #f7fafb 0%, #e8f1f4 100%);
  background-size: 40px 40px, 40px 40px, 100% 100%;
}

.ternary-viewer-host {
  position: absolute;
  inset: 0;
}

.ternary-viewer-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.ternary-legend {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 32px);
  padding: 9px 11px;
  border: 1px solid rgba(170, 183, 191, 0.72);
  border-radius: 8px;
  color: #263139;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  font-size: 17px;
  line-height: 1.2;
}

.ternary-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ternary-legend i {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.visit-module {
  padding: 18px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.7) 1px, transparent 1px),
    linear-gradient(145deg, #f7fafb 0%, #e6eff2 100%);
  background-size: 36px 36px, 36px 36px, 100% 100%;
}

.visit-workspace {
  display: grid;
  gap: 16px;
  align-content: start;
  width: min(1180px, 100%);
  min-height: calc(100vh - 88px);
  margin: 0 auto;
}

.visit-head,
.visit-metric,
.visit-detail-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 34px rgba(23, 33, 39, 0.08);
}

.visit-head {
  display: grid;
  gap: 6px;
  padding: 18px;
}

.visit-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.16;
  font-weight: 860;
}

.visit-head p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.visit-rank {
  display: inline-flex;
  justify-self: start;
  align-items: center;
  min-height: 40px;
  margin-top: 4px;
  padding: 0 14px;
  border: 1px solid #f3c18d;
  border-radius: 8px;
  color: #9a3412;
  background: #fff3e7;
  font-size: 20px;
  line-height: 1.2;
  font-weight: 880;
}

.visit-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.visit-metric {
  display: grid;
  gap: 8px;
  min-height: 144px;
  padding: 16px;
  border-top: 4px solid var(--blue);
}

.visit-metric:nth-child(2) {
  border-top-color: var(--plane);
}

.visit-metric:nth-child(3) {
  border-top-color: var(--yellow);
}

.visit-metric:nth-child(4) {
  border-top-color: var(--direction);
}

.visit-metric span,
.visit-metric small,
.visit-detail-list dt {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.2;
  font-weight: 820;
}

.visit-metric strong {
  color: var(--ink);
  font-size: 38px;
  line-height: 1;
  font-weight: 880;
  overflow-wrap: anywhere;
}

.visit-detail-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.visit-detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.visit-detail-list div {
  min-width: 0;
  padding: 12px;
  border: 1px solid #e0eaee;
  border-radius: 8px;
  background: #fff;
}

.visit-detail-list dt {
  margin: 0 0 5px;
}

.visit-detail-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.3;
  font-weight: 840;
  overflow-wrap: anywhere;
}

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

#visitResetButton {
  color: #9f2f2f;
  border-color: #e4b7b7;
}

.viewer-panel {
  position: relative;
  min-width: 0;
  min-height: calc(100vh - 88px);
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.82) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.82) 1px, transparent 1px),
    linear-gradient(145deg, #f5f9fa 0%, #e5eff3 100%);
  background-size: 42px 42px, 42px 42px, 100% 100%;
}

.scene-host {
  position: absolute;
  inset: 0;
}

.scene-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.legend {
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: calc(100% - 44px);
  padding: 10px 12px;
  color: #263139;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(170, 183, 191, 0.72);
  border-radius: 8px;
  backdrop-filter: blur(10px);
  font-size: 15px;
  line-height: 1.2;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.swatch-cell {
  background: var(--cell);
}

.swatch-plane {
  background: var(--plane);
}

.swatch-direction {
  background: var(--direction);
}

.is-hidden {
  display: none;
}

@media (max-width: 820px) {
  .topbar {
    position: sticky;
    top: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand actions"
      "nav nav";
    gap: 8px;
    min-height: 0;
    padding: 8px 12px;
  }

  .brand {
    gap: 10px;
  }

  .brand-logo {
    width: auto;
    height: 46px;
    flex-basis: auto;
  }

  .theme-toggle {
    width: 36px;
    height: 36px;
  }

  .theme-toggle span {
    font-size: 21px;
  }

  h1 {
    font-size: 19px;
  }

  .brand p {
    display: none;
  }

  .brand .visit-ordinal {
    display: none;
  }

  .org-card {
    grid-template-columns: 38px;
    gap: 0;
    padding: 4px;
  }

  .org-card img {
    width: 38px;
    height: 38px;
  }

  .org-card span {
    display: none;
  }

  .module-nav {
    justify-content: flex-start;
    margin: 0;
    padding-bottom: 2px;
  }

  .module-tab {
    min-height: 32px;
    padding: 0 10px;
    font-size: 14px;
  }

  .workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(420px, 60vh) auto;
  }

  .module-view {
    min-height: auto;
  }

  .module-footer {
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    font-size: 13px;
  }

  .module-footer-copy {
    gap: 2px;
  }

  .module-footer-copy strong {
    font-size: 14px;
  }

  .module-footer-qr {
    font-size: 12px;
  }

  .module-footer-qr img {
    width: 72px;
    height: 72px;
    padding: 3px;
  }

  .control-panel {
    order: 2;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
    gap: 12px;
    max-height: none;
    border-right: 0;
    border-top: 1px solid var(--line);
    padding: 12px;
    box-shadow: 0 -14px 30px rgba(23, 33, 39, 0.08);
    font-size: 16px;
  }

  .viewer-panel {
    order: 1;
    min-height: 420px;
  }

  .mode-section,
  .index-section,
  .readout-panel,
  .tool-section {
    grid-column: 1 / -1;
  }

  .mode-section {
    order: -3;
  }

  .system-section {
    order: -2;
  }

  .layer-section {
    order: -1;
  }

  .index-section {
    order: 0;
  }

  .control-section {
    gap: 7px;
  }

  .control-label,
  .input-hint,
  .metric-list dt {
    font-size: 14px;
  }

  .segment,
  .index-input,
  .small-input,
  .primary-button,
  .ghost-button,
  .chip,
  .status-row,
  .metric-list dd,
  .legend {
    font-size: 16px;
  }

  .segmented {
    gap: 3px;
    padding: 3px;
  }

  .segment,
  .primary-button,
  .ghost-button,
  .chip {
    min-height: 36px;
  }

  .mode-segmented .segment {
    min-height: 38px;
    font-size: 16px;
  }

  .index-input,
  .small-input {
    min-height: 38px;
    padding: 0 10px;
  }

  .primary-button {
    min-width: 62px;
    padding: 0 12px;
    box-shadow: 0 6px 14px rgba(0, 114, 178, 0.18);
  }

  .ghost-button {
    padding: 0 10px;
  }

  .chip-row {
    gap: 6px;
  }

  .chip {
    padding: 0 9px;
  }

  .readout-panel {
    padding: 12px;
    gap: 10px;
  }

  .status-row {
    line-height: 1.35;
  }

  .metric-list div {
    padding: 8px 7px;
  }

  .tool-section {
    gap: 4px;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #eef3f5;
  }

  .tool-section .ghost-button {
    border: 0;
    border-radius: 6px;
    background: #fff;
  }

  .legend {
    right: 14px;
    bottom: 14px;
  }

  .iron-carbon-module {
    padding: 10px;
  }

  .fe-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .fe-chart-panel,
  .fe-card {
    box-shadow: 0 10px 24px rgba(23, 33, 39, 0.08);
  }

  .fe-chart-panel {
    padding: 12px;
    gap: 12px;
  }

  .fe-panel-head {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

  .fe-panel-head h2 {
    font-size: 22px;
  }

  .fe-panel-head p,
  .fe-note,
  .fe-detail-list dd,
  .fe-bar-label {
    font-size: 16px;
  }

  .fe-chart-host {
    min-width: 0;
  }

  .fe-composition-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 10px;
  }

  .fe-carbon-range {
    grid-column: 1 / -1;
  }

  .fe-info-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .fe-card {
    padding: 12px;
    gap: 11px;
  }

  .fe-card-title h3 {
    font-size: 20px;
  }

  .structure-module {
    padding: 10px;
  }

  .structure-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .structure-view-panel {
    order: 1;
    height: auto;
    min-height: 440px;
  }

  .structure-control-panel {
    order: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .structure-card {
    padding: 12px;
  }

  .structure-head-card,
  .structure-list-card,
  .structure-info-card {
    grid-column: 1 / -1;
  }

  .structure-head-card h2 {
    font-size: 22px;
  }

  .structure-list-card {
    max-height: none;
  }

  .structure-select {
    display: block;
  }

  .structure-list {
    display: none;
  }

  .structure-list-item {
    min-height: 50px;
  }

  .structure-list-item span,
  .structure-meta dd,
  .structure-legend {
    font-size: 15px;
  }

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

  .interstitial-module {
    padding: 6px;
  }

  .interstitial-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .interstitial-view-panel {
    order: 2;
    height: 380px;
    height: clamp(320px, 52svh, 430px);
    min-height: 320px;
  }

  .interstitial-control-panel {
    order: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .interstitial-card {
    gap: 6px;
    padding: 7px;
    box-shadow: 0 5px 14px rgba(23, 36, 51, 0.07);
  }

  .interstitial-head-card,
  .interstitial-info-card {
    display: none;
  }

  .interstitial-switch-card {
    grid-column: 1 / -1;
  }

  .interstitial-control-panel .control-label {
    display: none;
  }

  .interstitial-lattice-card,
  .interstitial-radius-card {
    min-height: 52px;
    align-content: center;
  }

  .interstitial-lattice-tabs {
    gap: 2px;
    padding: 2px;
  }

  .interstitial-lattice-tabs .segment {
    min-height: 34px;
    font-size: 14px;
  }

  .interstitial-slider {
    gap: 6px;
    font-size: 13px;
  }

  .interstitial-slider output {
    font-size: 14px;
  }

  .interstitial-range {
    height: 18px;
  }

  .interstitial-switch-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
  }

  .interstitial-switch {
    min-height: 44px;
    gap: 2px;
    padding: 4px 3px;
  }

  .interstitial-switch strong {
    font-size: 15px;
  }

  .interstitial-switch span {
    font-size: 13px;
    line-height: 1.15;
  }

  .interstitial-view-actions {
    top: 8px;
    right: 8px;
    gap: 5px;
  }

  .viewer-icon-button {
    width: 34px;
    height: 34px;
    font-size: 20px;
  }

  .interstitial-view-badge {
    top: 8px;
    left: 8px;
    gap: 1px;
    min-width: 68px;
    padding: 6px 8px;
  }

  .interstitial-view-badge strong {
    font-size: 17px;
  }

  .interstitial-view-badge span {
    font-size: 12px;
  }

  .interstitial-legend {
    right: 8px;
    bottom: 8px;
    gap: 6px;
    max-width: calc(100% - 16px);
    padding: 6px 8px;
    font-size: 13px;
  }

  .ternary-module {
    padding: 10px;
  }

  .ternary-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .ternary-view-panel {
    order: 1;
    height: auto;
    min-height: 460px;
  }

  .ternary-control-panel {
    order: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .ternary-info-card {
    order: 3;
    position: static;
    max-height: none;
  }

  .ternary-card {
    padding: 12px;
  }

  .ternary-head-card,
  .ternary-list-card,
  .ternary-info-card {
    grid-column: 1 / -1;
  }

  .ternary-head-card h2 {
    font-size: 22px;
  }

  .ternary-list-card {
    max-height: none;
  }

  .ternary-region-list {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 5px;
  }

  .ternary-region-list.is-collapsed {
    display: none;
  }

  .ternary-region-item span,
  .ternary-meta dd {
    font-size: 15px;
  }

  .ternary-legend {
    font-size: 16px;
  }

  .visit-module {
    padding: 10px;
  }

  .visit-workspace {
    min-height: auto;
    gap: 12px;
  }

  .visit-head,
  .visit-detail-panel {
    padding: 12px;
  }

  .visit-head h2 {
    font-size: 22px;
  }

  .visit-rank {
    min-height: 36px;
    padding: 0 11px;
    font-size: 18px;
  }

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

  .visit-metric {
    min-height: 124px;
    padding: 12px;
  }

  .visit-metric strong {
    font-size: 32px;
  }

  .visit-detail-list dd {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .topbar {
    padding: 7px 10px;
  }

  h1 {
    font-size: 18px;
  }

  .brand-logo {
    width: auto;
    height: 42px;
    flex-basis: auto;
  }

  .org-card {
    grid-template-columns: 34px;
  }

  .org-card img {
    width: 34px;
    height: 34px;
  }

  .workspace {
    grid-template-rows: minmax(430px, 58vh) auto;
  }

  .control-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 10px;
    gap: 10px;
  }

  .viewer-panel {
    min-height: 430px;
  }

  .input-row {
    grid-template-columns: minmax(0, 1fr) 64px;
    gap: 6px;
  }

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

  .readout-panel {
    padding: 10px;
    gap: 9px;
  }

  .ternary-section-actions {
    grid-template-columns: 1fr;
  }

  .metric-list div {
    padding: 8px 6px;
  }

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

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

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

  .fe-panel-actions {
    justify-items: stretch;
  }

  .fe-carbon-field {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .fe-carbon-field input {
    width: 100%;
  }

  .fe-chart-host {
    min-width: 0;
  }

  .fe-detail-list {
    grid-template-columns: 1fr;
  }

  .structure-view-panel {
    min-height: 390px;
  }

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

  .structure-list {
    grid-template-columns: 1fr;
  }

  .structure-tools {
    grid-template-columns: 1fr;
  }

  .structure-meta {
    grid-template-columns: 1fr;
  }

  .interstitial-view-panel {
    height: 320px;
    height: clamp(290px, calc(100svh - 280px), 380px);
    min-height: 290px;
  }

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

  .interstitial-legend {
    left: 8px;
    right: 8px;
    bottom: 8px;
  }

  .structure-legend {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .ternary-view-panel {
    min-height: 390px;
  }

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

  .ternary-tools {
    grid-template-columns: 1fr;
  }

  #ternaryExportButton {
    grid-column: auto;
  }

  .ternary-meta {
    grid-template-columns: 1fr;
  }

  .ternary-legend {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .visit-metrics,
  .visit-detail-list {
    grid-template-columns: 1fr;
  }

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

  .module-tab {
    min-height: 30px;
    padding: 0 8px;
    font-size: 14px;
  }

  .legend {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }
}

/* Shared scientific workspace theme */
.module-footer,
.control-panel {
  color: var(--muted);
  background: var(--panel-translucent);
  border-color: var(--line);
}

.module-footer-copy strong,
.status-row,
.fe-bar-label,
.ternary-field,
.ternary-point-grid,
.structure-slider,
.fe-carbon-field {
  color: var(--ink-soft);
}

.module-footer-qr,
.brand p,
.module-footer {
  color: var(--muted);
}

.module-footer-qr img {
  border-color: var(--line);
}

.brand .visit-ordinal {
  color: var(--direction);
  border-color: var(--direction);
  background: var(--panel-soft);
}

.module-tab {
  color: var(--ink-soft);
  border-color: var(--line);
  background: var(--panel-soft);
}

.module-tab:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}

.module-tab.is-active {
  color: var(--active-ink);
  border-color: var(--active-bg);
  background: var(--active-bg);
}

.module-tab:disabled {
  color: var(--muted);
  background: var(--panel-strong);
}

.control-label {
  color: var(--ink-soft);
}

.segmented {
  border-color: var(--line);
  background: var(--panel-strong);
}

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

.segment.is-active {
  color: var(--ink);
  background: var(--panel);
  box-shadow: 0 4px 14px rgba(11, 23, 34, 0.12);
}

.index-input,
.small-input,
.fe-carbon-field input,
.structure-select,
.ternary-select,
.ternary-field input,
.ternary-point-grid input {
  color: var(--ink);
  border-color: var(--line-strong);
  background: var(--input-bg);
}

.index-input::placeholder {
  color: var(--muted);
}

.index-input:focus,
.small-input:focus,
.fe-carbon-field input:focus,
.structure-select:focus,
.ternary-select:focus,
.ternary-field input:focus,
.ternary-point-grid input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.primary-button {
  color: var(--active-ink);
  background: var(--active-bg);
  box-shadow: 0 8px 18px var(--focus-ring);
}

.ghost-button {
  color: var(--ink-soft);
  border-color: var(--line-strong);
  background: var(--panel);
}

.chip {
  color: var(--ink-soft);
  border-color: var(--line);
  background: var(--panel-strong);
}

.readout-panel,
.metric-list div,
.fe-composition-strip,
.fe-detail-list div,
.structure-meta div,
.ternary-meta div,
.visit-detail-list div {
  color: var(--ink);
  border-color: var(--line);
  background: var(--panel-soft);
}

.metric-list dd,
.fe-panel-head h2,
.fe-card-title h3,
.fe-composition-strip strong,
.fe-detail-list dd,
.fe-bar-label strong,
.structure-head-card h2,
.structure-info-title h3,
.structure-meta dd,
.ternary-head-card h2,
.ternary-meta dd,
.visit-head h2,
.visit-metric strong,
.visit-detail-list dd {
  color: var(--ink);
}

.input-hint,
.metric-list dt,
.fe-panel-head p,
.fe-kicker,
.fe-detail-list dt,
.fe-note,
.structure-head-card p,
.structure-list-item small,
.structure-meta dt,
.ternary-head-card p,
.ternary-region-item small,
.ternary-meta dt,
.visit-head p,
.visit-metric span,
.visit-metric small,
.visit-detail-list dt {
  color: var(--muted);
}

.iron-carbon-module,
.structure-module,
.interstitial-module,
.ternary-module,
.visit-module {
  background-color: var(--workspace-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
}

.fe-chart-panel,
.fe-card,
.structure-card,
.structure-view-panel,
.interstitial-card,
.interstitial-view-panel,
.ternary-card,
.ternary-view-panel,
.visit-head,
.visit-metric,
.visit-detail-panel {
  color: var(--ink);
  border-color: var(--line);
  background-color: var(--panel-translucent);
  box-shadow: var(--shadow);
}

.viewer-panel,
.structure-view-panel,
.interstitial-view-panel,
.ternary-view-panel {
  background-color: var(--viewer-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
}

.fe-chart-shell {
  border-color: var(--line);
  background: var(--panel-soft);
}

.fe-plot-bg {
  fill: var(--fe-plot-bg);
  stroke: var(--line-strong);
}

.fe-grid line {
  stroke: var(--fe-grid-line);
}

.fe-region {
  stroke: var(--fe-region-separator);
}

.fe-region:hover,
.fe-region.is-selected,
.fe-region-selection,
.fe-phase-lines polyline,
.fe-axes line {
  stroke: var(--fe-boundary);
}

.fe-phase-lines .is-critical {
  stroke: var(--fe-critical);
}

.fe-axes text,
.fe-chart-labels text {
  fill: var(--fe-label);
}

.fe-chart-labels text {
  stroke: var(--fe-label-halo);
}

.fe-carbon-cursor polygon {
  stroke: var(--panel);
}

.structure-list-item,
.ternary-region-item {
  color: var(--ink-soft);
  border-color: var(--line);
  background: var(--panel-soft);
}

.structure-list-item.is-active,
.ternary-region-item.is-active,
.structure-tools .ghost-button.is-active,
.ternary-tools .ghost-button.is-active {
  color: var(--active-ink);
  border-color: var(--active-bg);
  background: var(--active-bg);
}

.structure-list-item.is-active small,
.ternary-region-item.is-active small {
  color: color-mix(in srgb, var(--active-ink) 72%, transparent);
}

.structure-tools .ghost-button:disabled {
  color: var(--muted);
  border-color: var(--line);
  background: var(--panel-strong);
}

.structure-link {
  color: var(--blue);
}

.structure-legend,
.ternary-legend,
.legend {
  color: var(--ink-soft);
  border-color: var(--line-strong);
  background: var(--panel-translucent);
}

.tool-section {
  border-color: var(--line);
  background: var(--panel-strong);
}

.tool-section .ghost-button {
  background: var(--panel);
}

html[data-theme="dark"] .module-footer-qr img {
  background: #ffffff;
}

.stereo-module {
  padding: 18px;
  background-color: var(--workspace-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
}

.stereo-workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(290px, 350px) minmax(0, 1fr);
  gap: 16px;
}

.stereo-control-panel {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.stereo-card,
.stereo-view-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--panel-translucent);
  box-shadow: var(--shadow);
}

.stereo-card {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.stereo-head-card h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.16;
  font-weight: 860;
}

.stereo-head-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

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

.stereo-toggle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.stereo-check {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink-soft);
  background: var(--panel-soft);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.stereo-check:has(input:checked) {
  color: var(--ink);
  border-color: color-mix(in srgb, var(--active-bg) 56%, var(--line));
  background: color-mix(in srgb, var(--active-bg) 10%, var(--panel-soft));
}

.stereo-check input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--active-bg);
}

.stereo-status-card {
  gap: 5px;
}

.stereo-status-card .fe-kicker {
  margin: 0;
}

.stereo-status-card strong {
  color: var(--ink);
  font-size: 22px;
  line-height: 1.15;
  font-weight: 860;
  font-variant-numeric: tabular-nums;
}

.stereo-status-card > span:last-child {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

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

.stereo-tools-card .ghost-button {
  width: 100%;
}

.stereo-view-panel {
  position: relative;
  align-self: start;
  height: min(760px, calc(100vh - 108px));
  min-height: 580px;
  overflow: hidden;
  background-color: var(--viewer-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
}

.stereo-viewer-host {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.stereo-viewer-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.stereo-viewer-host canvas:active {
  cursor: grabbing;
}

.stereo-view-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  display: grid;
  gap: 2px;
  max-width: calc(100% - 150px);
  padding: 7px 9px;
  border-left: 3px solid var(--direction);
  color: var(--ink);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.stereo-view-badge strong {
  font-size: 15px;
  line-height: 1.2;
}

.stereo-view-badge span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.stereo-legend {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 28px);
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink-soft);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  font-size: 13px;
  line-height: 1.2;
  pointer-events: none;
}

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

.stereo-legend i {
  display: inline-block;
  flex: 0 0 auto;
}

.stereo-symmetry-symbol {
  width: 9px;
  height: 9px;
  background: var(--direction);
}

.stereo-symmetry-symbol.is-fourfold {
  border-radius: 1px;
}

.stereo-symmetry-symbol.is-threefold {
  width: 11px;
  height: 10px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.stereo-symmetry-symbol.is-twofold {
  width: 13px;
  height: 7px;
  border-radius: 50%;
}

.stereo-symmetry-symbol.is-general {
  width: 8px;
  height: 8px;
  border: 2px solid var(--direction);
  border-radius: 50%;
  background: transparent;
}

.stereo-legend-zone,
.stereo-legend-ray {
  width: 15px;
  height: 0;
  border-top: 2px solid var(--direction);
}

.stereo-legend-ray {
  border-top-color: var(--accent);
  border-top-style: dashed;
}

/* Final mobile workspace compaction. Keep essential controls next to each view. */

/* crystal readout 说明卡片：全局基础样式（桌面/手机通用），不依赖桌面端 media 块 */
.crystal-module .readout-panel .status-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.crystal-module .intercept-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.crystal-module .intercept-label {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ui-accent);
}
.crystal-module .intercept-values {
  font-family: "Times New Roman", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "微软雅黑", serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

@media (max-width: 820px) {
  .topbar {
    gap: 5px;
    padding: 6px 9px;
  }

  .brand {
    gap: 7px;
  }

  .brand-logo {
    width: auto;
    height: 42px;
    flex-basis: auto;
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
  }

  .theme-toggle span {
    font-size: 19px;
  }

  h1 {
    font-size: 17px;
  }

  .module-nav {
    gap: 5px;
    padding-bottom: 0;
  }

  .module-tab {
    min-height: 29px;
    padding: 0 8px;
    font-size: 16px;
    font-weight: 900;
  }

  .crystal-module .workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .crystal-module .control-panel {
    order: 1;
    grid-template-columns: 0.72fr 0.72fr 1.56fr;
    gap: 6px;
    max-height: none;
    padding: 6px;
    overflow: visible;
    border-top: 0;
    border-right: 0;
    box-shadow: none;
    font-size: 14px;
  }

  .crystal-module .viewer-panel {
    order: 2;
    height: 340px;
    height: clamp(280px, calc(100svh - 300px), 390px);
    min-height: 280px;
  }

  .crystal-module .readout-panel {
    order: 3;
    grid-column: 1 / -1;
    margin-top: 6px;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
  }

  .crystal-module .system-section {
    order: 0;
    grid-column: 1;
  }

  .crystal-module .mode-section {
    order: 0;
    grid-column: 2;
  }

  .crystal-module .index-section {
    order: 0;
    grid-column: 3;
  }

  .crystal-module .overlay-index-section {
    order: 0;
    grid-column: 3;
  }

  .crystal-module .layer-section {
    order: 1;
    grid-column: 1 / -1;
  }

  .crystal-module .tool-section {
    order: 1;
    grid-column: 1 / -1;
  }

  .crystal-module .mode-section > .control-label,
  .crystal-module .system-section > .control-label {
    display: none;
  }

  .crystal-module .control-section {
    gap: 4px;
  }

  .crystal-module .index-section {
    gap: 5px;
  }

  .crystal-module .index-section > .control-label {
    display: block;
    font-size: 13px;
  }

  .crystal-module .input-hint {
    display: block;
    margin: 0;
    font-size: 12px;
    line-height: 1.2;
  }

  .crystal-module .chip-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
  }

  .crystal-module .chip-row.is-overlay {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .crystal-module .overlay-chip {
    font-size: 11px;
  }

  .crystal-module .chip {
    min-height: 30px;
    padding: 0 3px;
    font-size: 12px;
    white-space: nowrap;
  }

  /* 手机端：输入指数紧凑（沿用基础横向 grid，每格 label 上 + input 下；不撑宽功能区域） */
  .crystal-module .index-section .component-row,
  .crystal-module .overlay-index-section .component-row {
    gap: 4px;
    padding: 4px 0 2px;
  }

  .crystal-module .index-section .component-input,
  .crystal-module .overlay-index-section .component-input {
    height: 30px;
    line-height: 28px;
    font-size: 15px;
  }

  /* 叠加模式下，输入区在纵向上不再变高：隐藏底部提示，压缩段间距；标题保留但缩小 */
  .crystal-module .overlay-index-section .input-hint {
    display: none;
  }

  .crystal-module .overlay-index-section {
    margin-top: -56px;
    padding: 0;
    gap: 0;
  }

  .crystal-module .overlay-index-section > .control-label {
    font-size: 12px;
    line-height: 1;
    margin: 0;
  }

  .crystal-module .overlay-index-section .component-row {
    padding: 0;
  }

  .crystal-module .overlay-index-section .component-input {
    height: 26px;
    line-height: 24px;
    font-size: 14px;
  }

  .crystal-module .overlay-index-section .component-label {
    font-size: 12px;
    line-height: 1;
  }

  /* 当方向区可见（叠加模式）时，把晶面输入也压扁，使整列高度 ≤ 单模式 */
  .crystal-module .index-section:has(+ .overlay-index-section:not(.is-hidden)) {
    padding: 0;
    gap: 0;
    align-items: start;
    align-self: start;
  }

  .crystal-module .overlay-index-section {
    align-items: start;
    align-self: start;
  }

  .crystal-module .index-section:has(+ .overlay-index-section:not(.is-hidden)) > .control-label {
    font-size: 12px;
    line-height: 1;
    margin: 0;
  }

  .crystal-module .index-section:has(+ .overlay-index-section:not(.is-hidden)) .component-row {
    padding: 0;
  }

  .crystal-module .index-section:has(+ .overlay-index-section:not(.is-hidden)) .component-input {
    height: 26px;
    line-height: 24px;
    font-size: 14px;
  }

  .crystal-module .index-section:has(+ .overlay-index-section:not(.is-hidden)) .component-label {
    font-size: 12px;
    line-height: 1;
  }

  .crystal-module .index-section:has(+ .overlay-index-section:not(.is-hidden)) .component-row {
    padding: 0;
  }

  .crystal-module .index-section:has(+ .overlay-index-section:not(.is-hidden)) > .control-label {
    font-size: 12px;
    margin: 0;
    line-height: 1.1;
  }

  .crystal-module .segmented {
    gap: 2px;
    padding: 2px;
  }

  .crystal-module .segment,
  .crystal-module .mode-segmented .segment,
  .crystal-module .index-input,
  .crystal-module .small-input,
  .crystal-module .primary-button,
  .crystal-module .ghost-button {
    min-height: 34px;
    font-size: 14px;
  }

  .crystal-module .mode-segmented .segment {
    font-weight: 840;
  }

  .crystal-module .input-row {
    gap: 5px;
  }

  .crystal-module .layer-section .input-row {
    grid-template-columns: minmax(0, 1fr) 48px;
  }

  .crystal-module .index-input,
  .crystal-module .small-input {
    padding: 0 8px;
  }

  .crystal-module .primary-button {
    min-width: 58px;
    padding: 0 9px;
  }

  .crystal-module .layer-section .ghost-button {
    padding: 0 5px;
    font-size: 13px;
  }

  .crystal-module .tool-section {
    gap: 3px;
    padding: 2px;
  }

  .crystal-module .tool-section .ghost-button {
    padding: 0 3px;
    font-size: 12px;
  }

  .crystal-module .legend {
    right: 8px;
    bottom: 8px;
    gap: 6px;
    padding: 6px 8px;
    font-size: 13px;
  }

  .stereo-module {
    padding: 6px;
  }

  .stereo-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .stereo-control-panel {
    order: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .stereo-view-panel {
    order: 2;
    height: 400px;
    height: clamp(330px, calc(100svh - 220px), 440px);
    min-height: 330px;
  }

  .stereo-head-card,
  .stereo-status-card {
    display: none;
  }

  .stereo-density-card {
    grid-column: 1;
  }

  .stereo-tools-card {
    grid-column: 2;
  }

  .stereo-display-card {
    grid-column: 1 / -1;
  }

  .stereo-card {
    gap: 5px;
    padding: 7px;
    box-shadow: 0 5px 14px rgba(23, 36, 51, 0.07);
  }

  .stereo-density-card > .control-label,
  .stereo-display-card > .control-label {
    display: none;
  }

  .stereo-density {
    gap: 2px;
    padding: 2px;
  }

  .stereo-density .segment {
    min-height: 32px;
    font-size: 12px;
  }

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

  .stereo-check {
    justify-content: center;
    gap: 4px;
    min-height: 32px;
    padding: 0 3px;
    font-size: 12px;
    white-space: nowrap;
  }

  .stereo-check input {
    width: 13px;
    height: 13px;
  }

  .stereo-tools-card {
    gap: 3px;
  }

  .stereo-tools-card .ghost-button {
    min-height: 36px;
    padding: 0 3px;
    font-size: 12px;
  }

  .stereo-view-badge {
    top: 8px;
    left: 8px;
    max-width: calc(100% - 105px);
    padding: 6px 8px;
  }

  .stereo-view-badge strong {
    font-size: 14px;
  }

  .stereo-view-badge span {
    font-size: 11px;
  }

  .stereo-legend {
    right: 8px;
    bottom: 8px;
    gap: 6px;
    max-width: calc(100% - 16px);
    padding: 6px 8px;
    font-size: 12px;
  }

  .iron-carbon-module {
    padding: 6px;
  }

  .fe-workspace {
    gap: 7px;
  }

  .fe-chart-panel {
    gap: 7px;
    padding: 7px;
  }

  .fe-panel-head {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px;
  }

  .fe-panel-head h2 {
    font-size: 19px;
  }

  .fe-panel-head p {
    display: none;
  }

  .fe-panel-actions {
    display: flex;
    gap: 5px;
    align-items: center;
    justify-items: initial;
  }

  .fe-panel-actions .ghost-button {
    width: auto;
    min-width: 0;
    min-height: 32px;
    padding: 0 7px;
    font-size: 13px;
  }

  .fe-carbon-field {
    grid-template-columns: auto 64px;
    gap: 4px;
    font-size: 12px;
  }

  .fe-carbon-field input {
    width: 64px;
    min-height: 32px;
    padding: 0 6px;
    font-size: 14px;
  }

  .fe-chart-shell {
    overflow: hidden;
  }

  .fe-chart-host {
    min-width: 0;
  }

  .fe-composition-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    padding: 6px;
  }

  .fe-mobile-region {
    display: block;
  }

  .fe-composition-strip .fe-kicker {
    margin-bottom: 2px;
    font-size: 12px;
  }

  .fe-composition-strip strong {
    font-size: 14px;
  }

  .fe-carbon-range {
    grid-column: 1 / -1;
    height: 18px;
  }

  .fe-carbon-manual-field {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) 72px;
    width: 100%;
  }

  .fe-info-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .fe-region-card {
    display: none;
  }

  .fe-room-card {
    gap: 6px;
    padding: 8px;
    box-shadow: 0 5px 14px rgba(23, 36, 51, 0.07);
  }

  .fe-room-card .fe-card-title {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 8px;
  }

  .fe-room-card .fe-card-title .fe-kicker {
    margin: 0;
    font-size: 12px;
  }

  .fe-room-card .fe-card-title h3 {
    font-size: 15px;
    text-align: right;
  }

  .fe-room-card .fe-room-method {
    margin: 0;
    font-size: 12px;
  }

  .fe-room-card .fe-room-section {
    gap: 5px;
  }

  .fe-room-card .fe-room-section + .fe-room-section {
    padding-top: 6px;
  }

  .fe-room-card .fe-room-section-title {
    gap: 5px;
    font-size: 13px;
  }

  .fe-room-card .fe-room-section-title::before {
    width: 3px;
    height: 13px;
  }

  .fe-room-card .fe-bar-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .fe-room-card .fe-breakdown {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 6px;
  }

  .fe-room-card .fe-bar-list > div,
  .fe-room-card .fe-structure-item {
    gap: 3px;
  }

  .fe-room-card .fe-bar-label {
    gap: 4px;
    font-size: 12px;
  }

  .fe-room-card .fe-bar-fill {
    height: 6px;
  }

  .structure-module {
    padding: 6px;
  }

  .structure-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .structure-control-panel {
    order: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .structure-view-panel {
    order: 2;
    height: 360px;
    height: clamp(300px, calc(100svh - 260px), 390px);
    min-height: 300px;
  }

  .structure-head-card,
  .structure-info-card {
    display: none;
  }

  .structure-filter-card,
  .structure-list-card {
    grid-column: auto;
  }

  .structure-display-card {
    grid-column: 1 / -1;
  }

  .structure-card {
    gap: 5px;
    padding: 7px;
    box-shadow: 0 5px 14px rgba(23, 36, 51, 0.07);
  }

  .structure-control-panel .control-label {
    display: none;
  }

  .structure-filter {
    gap: 2px;
    padding: 2px;
  }

  .structure-filter .segment {
    min-height: 34px;
    font-size: 13px;
  }

  .structure-list-card {
    max-height: none;
  }

  .structure-select {
    display: block;
    min-height: 34px;
    padding: 0 24px 0 7px;
    font-size: 13px;
  }

  .structure-list {
    display: none;
  }

  .structure-tools {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .structure-tools .ghost-button {
    min-height: 32px;
    padding: 0 4px;
    font-size: 12px;
  }

  .structure-slider {
    gap: 2px;
    font-size: 12px;
  }

  .structure-slider input {
    height: 16px;
  }

  .structure-view-badge {
    top: 8px;
    left: 8px;
    max-width: calc(100% - 110px);
    padding: 6px 8px;
  }

  .structure-view-badge strong {
    font-size: 15px;
  }

  .structure-view-badge span {
    font-size: 11px;
  }

  .structure-legend {
    left: auto;
    right: 8px;
    bottom: 8px;
    gap: 6px;
    padding: 6px 8px;
    font-size: 13px;
  }

  .ternary-module {
    padding: 6px;
  }

  .ternary-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .ternary-control-panel {
    order: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .ternary-view-panel {
    order: 2;
    height: 370px;
    height: clamp(310px, calc(100svh - 230px), 400px);
    min-height: 310px;
  }

  /* ternary 头部图例卡片已删除，仅保留信息卡——手机端也要显示 */
  .ternary-info-card {
    display: block;
    grid-column: 1 / -1;
    margin-top: 10px;
  }

  .ternary-diagram-card {
    grid-column: 1 / -1;
    align-self: start;
  }

  .ternary-list-card {
    grid-column: 1 / -1;
    max-height: none;
  }

  .ternary-display-card,
  .ternary-section-card {
    grid-column: 1 / -1;
  }

  .ternary-card {
    gap: 5px;
    padding: 7px;
    box-shadow: 0 5px 14px rgba(23, 36, 51, 0.07);
  }

  .ternary-diagram-card > .control-label,
  .ternary-list-card > .control-label,
  .ternary-display-card > .control-label,
  .ternary-info-card > .structure-info-title > .fe-kicker {
    display: none;
  }

  .ternary-select {
    min-height: 34px;
    padding: 0 24px 0 7px;
    font-size: 13px;
  }

  .ternary-list-card .ternary-select {
    display: block;
  }

  .ternary-region-list {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 5px;
    margin-top: 2px;
  }

  .ternary-region-item {
    padding: 6px 8px;
    font-size: 13px;
  }

  .ternary-region-item small {
    font-size: 11px;
  }

  .ternary-tools {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .ternary-tools .ghost-button {
    min-width: 0;
    min-height: 32px;
    padding: 0 3px;
    overflow: hidden;
    font-size: 12px;
    white-space: nowrap;
  }

  #ternaryExportButton {
    grid-column: auto;
  }

  .ternary-mobile-section-toggle {
    display: block;
  }

  .ternary-mobile-section-toggle[aria-expanded="true"] {
    color: var(--active-ink);
    border-color: var(--active-bg);
    background: var(--active-bg);
  }

  .ternary-section-card {
    display: none;
  }

  .ternary-section-card.is-mobile-open {
    display: grid;
  }

  .ternary-section-card .control-label {
    font-size: 13px;
  }

  .ternary-section-mode {
    gap: 2px;
    padding: 2px;
  }

  .ternary-section-mode .segment {
    min-height: 32px;
    font-size: 13px;
  }

  .ternary-section-fields {
    gap: 5px;
  }

  .ternary-field {
    gap: 6px;
    font-size: 13px;
  }

  .ternary-field input,
  .ternary-point-grid input {
    min-height: 32px;
    padding: 0 5px;
    font-size: 13px;
  }

  .ternary-point-grid {
    gap: 4px;
    font-size: 12px;
  }

  .ternary-section-actions {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 5px;
  }

  .ternary-section-actions .primary-button,
  .ternary-section-actions .ghost-button {
    min-height: 32px;
    padding: 0 8px;
    font-size: 13px;
  }

  .ternary-section-card .input-hint {
    display: none;
  }

  .ternary-legend {
    left: 8px;
    right: 8px;
    bottom: 8px;
    flex-wrap: nowrap;
    gap: 6px;
    max-width: none;
    padding: 6px 8px;
    overflow-x: auto;
    font-size: 12px;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .ternary-legend::-webkit-scrollbar {
    display: none;
  }

  .visit-module {
    padding: 6px;
  }

  .visit-workspace {
    gap: 7px;
  }

  .visit-head,
  .visit-detail-panel {
    gap: 7px;
    padding: 8px;
  }

  .visit-head h2 {
    font-size: 19px;
  }

  .visit-head p {
    display: none;
  }

  .visit-rank {
    min-height: 32px;
    margin-top: 0;
    padding: 0 8px;
    font-size: 15px;
  }

  .visit-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .visit-metric {
    gap: 4px;
    min-height: 86px;
    padding: 8px;
  }

  .visit-metric strong {
    font-size: 25px;
  }

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

  .visit-detail-list div {
    padding: 7px;
  }

  .visit-actions {
    display: flex;
  }
}

@media (max-width: 480px) {
  .topbar {
    padding: 6px 8px;
  }

  h1 {
    font-size: 16px;
  }

  .crystal-module .viewer-panel {
    height: 300px;
    height: clamp(270px, calc(100svh - 300px), 350px);
    min-height: 270px;
  }

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

  .stereo-view-panel {
    height: 350px;
    height: clamp(300px, calc(100svh - 225px), 390px);
    min-height: 300px;
  }

  .structure-control-panel,
  .ternary-control-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .structure-filter-card,
  .structure-list-card {
    grid-column: auto;
  }

  .ternary-diagram-card,
  .ternary-list-card {
    grid-column: 1 / -1;
  }

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

  .structure-view-panel {
    height: 320px;
    height: clamp(290px, calc(100svh - 260px), 370px);
    min-height: 290px;
  }

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

  .ternary-view-panel {
    height: 330px;
    height: clamp(300px, calc(100svh - 230px), 380px);
    min-height: 300px;
  }

  .ternary-section-actions {
    grid-template-columns: minmax(0, 1fr) auto;
  }

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

  .visit-actions {
    display: flex;
    grid-template-columns: none;
  }
}

/* Desktop materials workbench layout */
@media (min-width: 821px) {
  .workspace,
  .stereo-workspace,
  .structure-workspace,
  .interstitial-workspace,
  .ternary-workspace {
    grid-template-columns: minmax(310px, 350px) minmax(0, 1fr) minmax(280px, 340px);
    gap: 18px;
  }

  .crystal-module .workspace {
    padding: 18px;
    background-color: var(--workspace-bg);
    background-image:
      linear-gradient(var(--grid-line) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 36px 36px;
  }

  .control-panel,
  .stereo-control-panel,
  .structure-control-panel,
  .interstitial-control-panel,
  .ternary-control-panel,
  .fe-info-panel {
    align-self: start;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-top: 3px solid var(--ui-accent);
    border-radius: 6px;
    background: var(--panel-translucent);
    box-shadow: 0 14px 34px rgba(32, 48, 60, 0.08);
  }

  .control-panel {
    padding: 18px;
    border-right: 1px solid var(--line);
  }

  .stereo-card,
  .structure-card,
  .interstitial-card,
  .ternary-card,
  .fe-info-panel .fe-card {
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .stereo-card + .stereo-card,
  .structure-card + .structure-card,
  .interstitial-card + .interstitial-card,
  .ternary-card + .ternary-card,
  .fe-info-panel .fe-card + .fe-card {
    border-top: 1px solid var(--line);
  }

  .stereo-head-card,
  .structure-head-card,
  .interstitial-head-card,
  .ternary-head-card {
    padding-top: 16px;
    padding-bottom: 16px;
    background: var(--panel-strong);
  }

  .fe-info-panel {
    border-top-color: var(--direction);
  }

  .fe-chart-panel,
  .viewer-panel,
  .stereo-view-panel,
  .structure-view-panel,
  .interstitial-view-panel,
  .ternary-view-panel {
    border-radius: 6px;
    box-shadow: 0 18px 42px rgba(32, 48, 60, 0.09);
  }

  .viewer-panel,
  .stereo-view-panel,
  .structure-view-panel,
  .interstitial-view-panel,
  .ternary-view-panel {
    border-top-width: 3px;
  }

  .viewer-panel,
  .interstitial-view-panel {
    border-top-color: var(--ui-accent);
  }

  .stereo-view-panel {
    border-top-color: var(--blue);
  }

  .structure-view-panel {
    border-top-color: var(--violet);
  }

  .ternary-view-panel {
    border-top-color: var(--ui-accent);
  }

  .fe-chart-panel {
    border-top: 3px solid var(--direction);
  }

  .module-footer {
    padding-right: 26px;
    padding-left: 26px;
  }
}

@media (min-width: 1080px) {
  .topbar {
    position: sticky;
    top: 0;
    grid-template-columns: minmax(280px, 330px) minmax(0, 1fr) 42px;
    grid-template-areas: "brand nav actions";
    column-gap: 20px;
    row-gap: 0;
    min-height: 88px;
    padding: 10px 20px;
  }

  .brand {
    gap: 11px;
  }

  .brand-logo {
    height: 58px;
  }

  h1 {
    font-size: 21px;
  }

  .brand p {
    margin-top: 3px;
    font-size: 13px;
  }

  .brand .visit-ordinal {
    min-height: 20px;
    margin-top: 4px;
    padding: 0 7px;
    font-size: 12px;
  }

  .module-nav {
    align-self: stretch;
    justify-content: stretch;
    gap: 0;
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .module-tab {
    position: relative;
    flex: 1 1 0;
    min-width: 0;
    min-height: 100%;
    padding: 0 13px;
    border: 0;
    border-radius: 0;
    color: var(--muted);
    background: transparent;
    font-size: 18px;
    font-weight: 900;
  }

  .module-tab + .module-tab {
    border-left: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  }

  .module-tab:hover {
    color: var(--ink);
    border-color: color-mix(in srgb, var(--line) 72%, transparent);
    background: var(--panel-soft);
  }

  .module-tab.is-active {
    color: var(--ui-accent-strong);
    border-color: color-mix(in srgb, var(--line) 72%, transparent);
    background: var(--panel-strong);
    box-shadow: inset 0 -3px 0 var(--active-bg);
  }

  .theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 6px;
    box-shadow: none;
  }

  .workspace,
  .module-view,
  .fe-workspace,
  .stereo-workspace,
  .structure-workspace,
  .interstitial-workspace,
  .ternary-workspace,
  .visit-workspace {
    min-height: calc(100vh - 88px);
  }

  .viewer-panel,
  .stereo-view-panel,
  .structure-view-panel,
  .interstitial-view-panel,
  .ternary-view-panel {
    height: min(760px, calc(100vh - 88px));
  }
}

/* Crystal structure 3D laboratory */
.crystal-structure-module {
  padding: 18px;
  background-color: var(--workspace-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
}

.crystal-structure-workspace {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(310px, 350px) minmax(0, 1fr);
  gap: 18px;
}

.crystal-structure-control-panel {
  align-self: start;
  display: grid;
  gap: 0;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--ui-accent);
  border-radius: 6px;
  color: var(--ink);
  background: var(--panel-translucent);
  box-shadow: var(--shadow);
}

.cs-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 14px;
}

.cs-card + .cs-card {
  border-top: 1px solid var(--line);
}

.cs-head-card {
  padding-top: 16px;
  padding-bottom: 16px;
  background: var(--panel-strong);
}

.cs-head-card h2,
.cs-info-card h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.16;
  font-weight: 860;
}

.cs-head-card h2 {
  font-size: 24px;
}

.cs-head-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

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

.cs-family-tabs .segment {
  font-size: 16px;
  font-weight: 700;
}

.cs-select {
  width: 100%;
  min-height: 42px;
  padding: 0 36px 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink);
  background: var(--input-bg);
  font: inherit;
  font-size: 16px;
  font-weight: 820;
  outline: none;
}

.cs-select:focus {
  border-color: var(--ui-accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.cs-mode-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.cs-mode-button {
  min-width: 0;
  min-height: 39px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--panel-soft);
  cursor: pointer;
  font-size: 14px;
  line-height: 1.2;
}

.cs-mode-button:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}

.cs-mode-button.is-active {
  color: var(--active-ink);
  border-color: var(--active-bg);
  background: var(--active-bg);
}

.cs-toggle-row {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--panel-soft);
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
}

.cs-toggle-row input {
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--active-bg);
}

.cs-toggle-row.is-disabled {
  cursor: default;
  opacity: 0.5;
}

.cs-tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.cs-tool-grid .ghost-button {
  min-width: 0;
  width: 100%;
  padding: 0 6px;
  font-size: 14px;
}

.cs-info-card {
  gap: 12px;
}

.cs-info-card h3 {
  font-size: 20px;
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 0;
}

.cs-meta div {
  min-width: 0;
  padding: 9px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-soft);
}

.cs-meta dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.15;
  font-weight: 800;
}

.cs-meta dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.3;
  font-weight: 840;
  overflow-wrap: anywhere;
}

.cs-view-panel {
  position: relative;
  align-self: start;
  min-width: 0;
  height: min(760px, calc(100vh - 88px));
  min-height: 580px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--ui-accent);
  border-radius: 6px;
  background-color: var(--viewer-bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  box-shadow: 0 18px 42px rgba(85, 51, 30, 0.1);
}

.cs-viewer-host {
  position: absolute;
  inset: 0;
}

.cs-viewer-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  touch-action: none;
}

.cs-view-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  gap: 3px;
  max-width: calc(100% - 150px);
  padding: 9px 11px;
  border-left: 3px solid var(--ui-accent);
  color: var(--ink);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
}

.cs-view-badge strong {
  font-size: 17px;
  line-height: 1.2;
  font-weight: 860;
}

.cs-view-badge span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
}

.cs-legend {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  max-width: calc(100% - 32px);
  padding: 6px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
}

.cs-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: inherit;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.cs-legend-item:hover,
.cs-legend-item.is-active {
  color: var(--ink);
  border-color: var(--line);
  background: var(--panel-strong);
}

.cs-legend-item i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.cs-viewer-toggle {
  position: absolute;
  left: 12px;
  top: 112px;
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink-soft);
  background: var(--panel-translucent);
  backdrop-filter: blur(10px);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  z-index: 4;
}

/* “显示相邻晶胞” 与 “显示截面” 两个浮动按钮垂直错开，避免覆盖 */
.cs-view-panel #csSectionToggleLabel {
  top: 212px;
}

.cs-viewer-toggle input {
  accent-color: var(--ui-accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
  margin-top: 2px;
}

.cs-viewer-toggle-text {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  line-height: 1.25;
}

.cs-viewer-toggle:hover {
  color: var(--ink);
  border-color: var(--line);
  background: var(--panel-strong);
}

@media (min-width: 1080px) {
  .crystal-structure-workspace {
    min-height: calc(100vh - 88px);
  }

  .cs-view-panel {
    height: min(760px, calc(100vh - 88px));
  }
}

@media (max-width: 820px) {
  .crystal-structure-module {
    padding: 6px;
  }

  .crystal-structure-workspace {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .crystal-structure-control-panel {
    order: 1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    overflow: visible;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .cs-view-panel {
    order: 2;
    height: 390px;
    height: clamp(330px, calc(100svh - 250px), 420px);
    min-height: 330px;
  }

  .cs-head-card {
    display: none;
  }

  .cs-info-card {
    grid-column: 1 / -1;
    order: 10;
    margin-top: 8px;
    padding: 12px 14px;
    border-radius: 8px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
    gap: 10px;
  }

  .cs-info-card .structure-info-title h3 {
    font-size: 17px;
  }

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

  .cs-meta div {
    padding: 7px 8px;
  }

  .cs-meta dt {
    font-size: 12px;
    margin-bottom: 2px;
  }

  .cs-meta dd {
    font-size: 13px;
    line-height: 1.3;
  }

  .cs-info-card .fe-note {
    font-size: 13px;
    line-height: 1.45;
    margin: 0;
  }

  .cs-selection-card,
  .cs-mode-card,
  .cs-display-card {
    grid-column: 1 / -1;
  }

  .cs-card {
    gap: 6px;
    padding: 7px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-translucent);
    box-shadow: 0 5px 14px rgba(85, 51, 30, 0.07);
  }

  .cs-card + .cs-card {
    border-top: 1px solid var(--line);
  }

  .cs-selection-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
  }

  .cs-selection-card > .control-label {
    display: none;
  }

  .cs-family-tabs,
  .cs-select {
    min-height: 34px;
    font-size: 13px;
  }

  .cs-mode-card > .control-label,
  .cs-display-card > .control-label {
    display: none;
  }

  .cs-mode-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
  }

  .cs-mode-button {
    min-height: 32px;
    padding: 3px 4px;
    font-size: 12px;
  }

  .cs-display-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    align-items: center;
  }

  .cs-toggle-row {
    min-height: 34px;
    padding: 0 7px;
    font-size: 12px;
  }

  .cs-toggle-row input {
    width: 14px;
    height: 14px;
  }

  .cs-tool-grid {
    gap: 4px;
  }

  .cs-tool-grid .ghost-button {
    min-height: 34px;
    padding: 0 3px;
    font-size: 12px;
  }

  .cs-view-badge {
    top: 8px;
    left: 8px;
    max-width: calc(100% - 110px);
    padding: 6px 8px;
  }

  .cs-view-badge strong {
    font-size: 14px;
  }

  .cs-view-badge span {
    font-size: 11px;
  }

  .cs-legend {
    right: 8px;
    bottom: 8px;
    flex-wrap: nowrap;
    max-width: calc(100% - 16px);
    padding: 4px 5px;
    gap: 4px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .cs-legend::-webkit-scrollbar {
    display: none;
  }

  .cs-legend-item {
    flex: 0 0 auto;
    min-height: 26px;
    padding: 0 7px;
    gap: 5px;
    font-size: 12px;
  }

  .cs-legend-item i {
    width: 9px;
    height: 9px;
  }

  /* 移动端：显示相邻晶胞按钮缩小并移入图区右上角（用户反馈 2026-08-10） */
  .cs-view-panel #csSupercellToggleLabel {
    left: auto;
    right: 8px;
    top: 8px;
    gap: 6px;
    padding: 5px 9px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    z-index: 5;
  }

  .cs-view-panel #csSupercellToggleLabel input {
    width: 14px;
    height: 14px;
    margin-top: 1px;
  }

  /* 移动端：隐藏左上角标题徽章（用户反馈 2026-08-10） */
  .cs-view-badge {
    display: none;
  }
}

@media (max-width: 480px) {
  .cs-view-panel {
    height: 350px;
    height: clamp(310px, calc(100svh - 260px), 390px);
    min-height: 310px;
  }

  .cs-mode-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}