:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #172033;
  --muted: #667085;
  --line: #d9e0ea;
  --line-strong: #b8c4d4;
  --blue: #246bfe;
  --blue-dark: #174fcc;
  --green: #1f9f71;
  --coral: #f26d5b;
  --amber: #d58a00;
  --ink: #26384f;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(36, 107, 254, 0.06), transparent 280px),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button,
select,
input {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
}

button {
  min-height: 34px;
  padding: 0 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--line-strong);
}

button:active {
  transform: translateY(1px);
}

input,
select {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  outline: none;
}

input:focus,
select:focus,
button:focus-visible {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(36, 107, 254, 0.14);
}

label {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
}

.app {
  display: grid;
  gap: 14px;
  width: min(1680px, calc(100vw - 32px));
  margin: 16px auto;
}

.topbar,
.status-strip,
.entry-panel,
.sidebar,
.stage-panel,
.inspector-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--blue), #54c6ff);
  color: #fff;
  font-weight: 700;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 18px;
  font-weight: 600;
}

h2 {
  font-size: 15px;
  font-weight: 600;
}

.brand p,
.stage-toolbar p,
.hint {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.top-actions,
.stage-tools,
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-color: transparent;
  background: var(--blue);
  color: #fff;
}

.icon-button:hover {
  border-color: transparent;
  background: var(--blue-dark);
}

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

[data-icon] {
  display: inline-flex;
  width: 16px;
  height: 16px;
  align-items: center;
  justify-content: center;
}

[data-icon] svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(116px, auto)) minmax(240px, 1fr);
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
}

.status-strip > div {
  min-width: 0;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.status-strip strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.status-message {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
}

.entry-panel {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1.2fr) minmax(180px, 1.2fr) auto;
  gap: 12px;
  align-items: end;
  padding: 14px 16px;
}

.entry-panel h2 {
  font-size: 18px;
}

.entry-panel p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 300px;
  gap: 14px;
  align-items: start;
}

.sidebar,
.stage-panel,
.inspector {
  min-width: 0;
}

.sidebar {
  display: grid;
  gap: 12px;
  padding: 12px;
}

.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.search-box {
  position: relative;
  display: block;
}

.search-box [data-icon] {
  position: absolute;
  top: 9px;
  left: 10px;
  color: var(--muted);
}

.search-box input {
  padding-left: 34px;
}

.quick-actions button {
  flex: 1 1 120px;
}

.role-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

.role-list {
  display: grid;
  gap: 8px;
  max-height: calc(100vh - 306px);
  min-height: 260px;
  overflow: auto;
  padding-right: 4px;
}

.role-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-height: 58px;
  padding: 8px;
  text-align: left;
}

.role-card[aria-pressed="true"] {
  border-color: rgba(36, 107, 254, 0.65);
  background: rgba(36, 107, 254, 0.08);
}

.role-thumb {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: end center;
  overflow: hidden;
  border-radius: 7px;
  background: var(--panel-soft);
}

.role-thumb img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: bottom center;
}

.role-name {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.role-meta {
  display: block;
  overflow: hidden;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.role-height {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.stage-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.stage-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.stage-tools label {
  width: 126px;
}

.selected-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 34px;
}

.chip {
  display: inline-flex;
  max-width: 220px;
  min-height: 30px;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(36, 107, 254, 0.22);
  border-radius: 999px;
  background: rgba(36, 107, 254, 0.08);
  color: var(--ink);
  padding: 0 4px 0 10px;
}

.chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chip button {
  min-height: 24px;
  width: 24px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  padding: 0;
}

.height-stage {
  position: relative;
  min-height: 510px;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, transparent 0, transparent 78%, rgba(31, 159, 113, 0.09) 78%),
    linear-gradient(135deg, rgba(36, 107, 254, 0.06), rgba(242, 109, 91, 0.04));
}

.empty-stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
  z-index: 1;
}

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

.ruler {
  position: absolute;
  inset: 24px auto 82px 0;
  width: 58px;
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
}

.tick {
  position: absolute;
  right: 0;
  display: flex;
  width: 58px;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  transform: translateY(50%);
  font-variant-numeric: tabular-nums;
}

.tick::after {
  display: block;
  width: 8px;
  height: 1px;
  background: currentColor;
  content: "";
}

.gridline {
  position: absolute;
  right: 18px;
  left: 58px;
  border-top: 1px dashed rgba(102, 112, 133, 0.24);
  pointer-events: none;
}

.figures {
  position: absolute;
  right: 18px;
  bottom: 82px;
  left: 62px;
  display: flex;
  min-width: calc(100% - 80px);
  height: 380px;
  align-items: flex-end;
  justify-content: center;
  gap: 18px;
}

.figure {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  width: var(--figure-width);
  min-width: 54px;
  max-width: 154px;
  height: var(--figure-height);
  align-items: flex-end;
  justify-content: center;
}

.figure img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: bottom center;
  filter: drop-shadow(0 14px 13px rgba(23, 32, 51, 0.16));
}

.figure figcaption {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  display: grid;
  width: 118px;
  gap: 2px;
  transform: translateX(-50%);
  text-align: center;
}

.figure-name {
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
}

.figure-height {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.baseline {
  position: absolute;
  right: 18px;
  bottom: 82px;
  left: 58px;
  height: 2px;
  background: rgba(23, 32, 51, 0.45);
  pointer-events: none;
}

.diff-badge {
  position: absolute;
  right: 18px;
  border-radius: 999px;
  background: var(--coral);
  color: #fff;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 600;
  transform: translateY(50%);
}

.diff-line {
  position: absolute;
  right: 18px;
  left: 58px;
  border-top: 1px solid rgba(242, 109, 91, 0.75);
}

.inspector {
  display: grid;
  gap: 14px;
}

.inspector-section {
  display: grid;
  gap: 12px;
  padding: 12px;
}

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

.metric-grid div {
  display: grid;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
  padding: 8px;
}

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

.metric-grid strong {
  font-variant-numeric: tabular-nums;
}

.compare-table {
  display: grid;
  gap: 6px;
}

.compare-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}

.compare-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.compare-row small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
}

.inspector-section label input {
  margin-top: 0;
}

.empty-note {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1240px) {
  .workspace {
    grid-template-columns: 310px minmax(0, 1fr);
  }

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

@media (max-width: 860px) {
  .app {
    width: min(100vw - 20px, 760px);
  }

  .topbar,
  .entry-panel,
  .stage-toolbar,
  .status-strip {
    align-items: stretch;
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .status-strip {
    display: grid;
  }

  .workspace,
  .inspector {
    grid-template-columns: 1fr;
  }

  .role-list {
    max-height: 360px;
  }

  .height-stage {
    min-height: 460px;
  }

  .figures {
    height: 330px;
  }
}