:root {
  color-scheme: light;
  --ink: #10252a;
  --muted: #63757b;
  --line: #d6e3df;
  --line-strong: #bfd2cc;
  --surface: #f5faf8;
  --surface-strong: #eaf4f1;
  --panel: #ffffff;
  --teal: #145a62;
  --teal-2: #1f7a75;
  --rose: #b64a58;
  --amber: #c7781e;
  --green: #2c7a4b;
  --blue: #3567a5;
  --risk-low-bg: #eaf6ef;
  --risk-low-line: #a9d2b9;
  --risk-mid-bg: #fff4df;
  --risk-mid-line: #e4bd74;
  --risk-high-bg: #fae9ec;
  --risk-high-line: #dea0a8;
  --shadow: 0 12px 34px rgba(20, 45, 50, 0.08);
  --shadow-soft: 0 6px 18px rgba(20, 45, 50, 0.06);
  --title-size: 34px;
  --status-size: 24px;
  --panel-title-size: 19px;
  --label-size: 11px;
  --assist-size: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    linear-gradient(180deg, rgba(248, 252, 250, 0.9), rgba(237, 245, 242, 0.9)),
    #edf5f2;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px 16px;
  background: rgba(251, 253, 252, 0.95);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: width 0.2s ease, padding 0.2s ease;
}

.sidebar.collapsed {
  width: 78px;
  padding-inline: 12px;
}

.sidebar.collapsed .brand-copy,
.sidebar.collapsed .nav-item span:last-child,
.sidebar.collapsed .sidebar-card {
  display: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 50px;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 23px;
  line-height: 1.1;
}

.brand-copy span {
  color: var(--muted);
  font-size: var(--assist-size);
}

.icon-button {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--teal);
  display: inline-grid;
  place-items: center;
  font-weight: 800;
}

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

.nav-item {
  min-height: 46px;
  border-radius: 8px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.nav-item.active {
  background: #e4f2ef;
  color: var(--teal);
  font-weight: 700;
  box-shadow: inset 3px 0 0 var(--teal-2);
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(20, 90, 98, 0.08);
}

.sidebar-card {
  margin-top: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  background: #f7fbf9;
  box-shadow: var(--shadow-soft);
}

.sidebar-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.workspace {
  min-width: 0;
  padding: 22px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
}

.topbar h1 {
  margin: 1px 0 0;
  font-size: var(--title-size);
  line-height: 1.05;
  font-weight: 850;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0;
  color: var(--teal-2);
  font-size: var(--label-size);
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 9px;
  min-width: min(100%, 420px);
}

.status-card {
  position: relative;
  min-height: 66px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  padding: 10px 13px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.status-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--teal-2);
  opacity: 0.75;
}

.status-strip span {
  display: block;
  color: var(--muted);
  font-size: var(--label-size);
  font-weight: 750;
}

.status-strip strong {
  display: block;
  margin-top: 4px;
  font-size: var(--status-size);
  line-height: 1;
  font-weight: 850;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.scan-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 388px;
  gap: 16px;
  align-items: start;
}

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

.intake-panel,
.confirm-panel {
  padding: 16px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.panel h2,
.panel h3 {
  margin: 4px 0 0;
}

.panel h2 {
  font-size: var(--panel-title-size);
  line-height: 1.2;
  font-weight: 850;
}

.panel h3 {
  font-size: 14px;
  line-height: 1.2;
  font-weight: 850;
}

.pill,
.quality-badge {
  white-space: nowrap;
  border-radius: 999px;
  padding: 6px 9px;
  font-size: var(--label-size);
  font-weight: 800;
  background: #eef4f1;
  color: var(--teal);
}

.quality-badge.pending {
  color: var(--amber);
  background: #fff4df;
}

.quality-badge.good {
  color: var(--green);
  background: #e8f5ed;
}

.quality-badge.warn {
  color: var(--rose);
  background: #fae8eb;
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.upload-tile {
  min-height: 70px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #f8fcfa;
  padding: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.upload-tile:hover {
  border-color: var(--teal-2);
  background: #edf8f5;
  transform: translateY(-1px);
}

.tile-icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #dcefeb;
  color: var(--teal);
  font-weight: 900;
}

.upload-tile strong {
  display: block;
  font-size: 15px;
  line-height: 1.15;
  font-weight: 850;
}

.upload-copy {
  min-width: 0;
}

.upload-copy span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: var(--assist-size);
  line-height: 1.25;
}

.ctg-viewer {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fffafa;
  box-shadow: var(--shadow-soft);
}

.viewer-toolbar {
  min-height: 50px;
  padding: 8px 10px;
  background: #fbfdfb;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tool-buttons {
  display: flex;
  gap: 7px;
}

.viewer-toolbar strong {
  font-size: 15px;
  font-weight: 850;
}

.ctg-canvas {
  position: relative;
  height: clamp(300px, 42vh, 440px);
  min-height: 300px;
  overflow: auto;
  background: #fff7f7;
}

.ctg-canvas svg,
.ctg-canvas img {
  width: 100%;
  min-width: 760px;
  height: 100%;
  object-fit: contain;
  transform-origin: top left;
}

.ctg-canvas img {
  display: none;
  background: white;
}

.ctg-canvas.has-upload svg {
  display: none;
}

.ctg-canvas.has-upload img {
  display: block;
}

.image-placeholder {
  position: absolute;
  inset: auto 14px 14px auto;
  max-width: 260px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  padding: 10px;
  display: grid;
  gap: 4px;
}

.image-placeholder span {
  color: var(--muted);
  font-size: var(--assist-size);
  line-height: 1.4;
}

.ctg-canvas.has-upload .image-placeholder {
  display: none;
}

.timeline {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #f8fcfa;
  box-shadow: var(--shadow-soft);
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timeline-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 7px;
  margin-top: 8px;
}

.event {
  min-height: 54px;
  border-left: 3px solid var(--teal);
  background: var(--panel);
  border-radius: 8px;
  padding: 8px;
  box-shadow: inset 0 0 0 1px rgba(214, 227, 223, 0.6);
}

.event strong {
  display: block;
  font-size: var(--assist-size);
  line-height: 1.15;
  font-weight: 850;
}

.event span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.25;
}

.confirm-panel {
  position: sticky;
  top: 22px;
  max-height: calc(100vh - 44px);
  overflow: auto;
}

.quick-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.primary-button,
.secondary-button,
.text-button {
  min-height: 38px;
  border-radius: 8px;
  padding: 0 12px;
  font-weight: 800;
  font-size: 13px;
}

.primary-button {
  background: var(--teal);
  color: white;
}

.secondary-button {
  background: var(--surface-strong);
  color: var(--teal);
}

.text-button {
  background: transparent;
  color: var(--teal);
  padding-inline: 4px;
}

.field-form {
  display: grid;
  gap: 11px;
}

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

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: var(--label-size);
  font-weight: 800;
}

input,
select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  color: var(--ink);
  background: #fbfdfb;
  font-weight: 750;
}

input.needs-confirm,
select.needs-confirm {
  border-color: #e0b455;
  background: #fff9e8;
  box-shadow: 0 0 0 2px rgba(224, 180, 85, 0.12);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 8px;
}

.chip {
  min-height: 28px;
  border-radius: 999px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eef4f1;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
}

.chip.selected,
.chip.risk {
  background: #fae8eb;
  color: var(--rose);
}

#interventionChips .chip.selected {
  background: #e4f2ef;
  color: var(--teal);
}

.analysis-card {
  position: relative;
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding: 13px 0 0 12px;
}

.analysis-card::before {
  content: "";
  position: absolute;
  top: 13px;
  bottom: 0;
  left: 0;
  width: 4px;
  border-radius: 99px;
  background: var(--teal-2);
}

.analysis-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.analysis-card p {
  color: var(--muted);
  line-height: 1.45;
  font-size: 13px;
}

.analysis-card ul {
  margin: 0 0 12px 16px;
  padding: 0;
  color: var(--muted);
  line-height: 1.45;
  font-size: 12px;
}

.model-diagnostics {
  display: grid;
  gap: 10px;
  margin: 10px 0 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 252, 250, 0.86);
}

.model-bars {
  display: grid;
  gap: 7px;
}

.model-bar {
  position: relative;
  min-height: 24px;
  display: grid;
  grid-template-columns: 44px 34px 1fr;
  gap: 7px;
  align-items: center;
  color: var(--muted);
  font-size: var(--assist-size);
  font-weight: 800;
}

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

.model-bar i {
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal-2), var(--amber));
}

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

.feature-grid span {
  min-height: 32px;
  border-radius: 8px;
  padding: 7px 8px;
  background: white;
  color: var(--ink);
  font-size: 12px;
  font-weight: 850;
  box-shadow: inset 0 0 0 1px rgba(214, 227, 223, 0.72);
}

.feature-grid b {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 850;
}

#riskTitle {
  font-size: 17px;
  font-weight: 900;
}

.content-grid,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.case-card,
.teaching-card {
  min-height: 190px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 10px;
}

.case-card h3,
.teaching-card h3 {
  margin: 0;
}

.case-card p,
.teaching-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.risk-low {
  color: var(--green);
}

.risk-mid {
  color: var(--amber);
}

.risk-high {
  color: var(--rose);
}

.status-card:has(.risk-low),
.analysis-card:has(.risk-low) {
  background: var(--risk-low-bg);
  border-color: var(--risk-low-line);
}

.status-card:has(.risk-mid),
.analysis-card:has(.risk-mid) {
  background: var(--risk-mid-bg);
  border-color: var(--risk-mid-line);
}

.status-card:has(.risk-high),
.analysis-card:has(.risk-high) {
  background: var(--risk-high-bg);
  border-color: var(--risk-high-line);
}

.settings-grid .panel {
  padding: 18px;
}

.calibration-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 16px;
  align-items: start;
}

.calibration-panel {
  padding: 18px;
}

.calibration-layout .calibration-panel:last-child {
  grid-column: 1 / -1;
}

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

.schema-grid article,
.format-note,
.risk-preview article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fcfa;
  padding: 11px;
  box-shadow: var(--shadow-soft);
}

.schema-grid strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.schema-grid span,
.format-note p,
.check-list {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.format-note {
  margin: 12px 0;
}

.format-note p {
  margin: 6px 0 0;
}

.slider-list {
  display: grid;
  gap: 14px;
}

.slider-list label {
  grid-template-columns: 92px minmax(0, 1fr) 46px;
  align-items: center;
  color: var(--ink);
  font-size: 13px;
}

.slider-list input[type="range"] {
  min-height: 24px;
  padding: 0;
  accent-color: var(--teal-2);
}

.slider-list strong {
  color: var(--teal);
  text-align: right;
  font-size: 16px;
}

.risk-preview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0 12px;
}

.risk-preview article {
  display: grid;
  gap: 3px;
  min-height: 74px;
}

.risk-preview span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.risk-preview strong {
  font-size: 20px;
  line-height: 1;
}

.risk-preview small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.check-list {
  margin: 12px 0 0 18px;
  padding: 0;
}

.check-list li + li {
  margin-top: 8px;
}

.switch-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--ink);
  font-size: 14px;
}

.switch-row input {
  width: 22px;
  min-height: 22px;
}

.disclaimer p {
  color: var(--muted);
  line-height: 1.6;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(120px);
  border-radius: 8px;
  background: rgba(23, 37, 43, 0.94);
  color: white;
  padding: 12px 16px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
  z-index: 10;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: 84px minmax(0, 1fr);
  }

  .sidebar {
    width: 84px;
    padding-inline: 12px;
  }

  .brand-copy,
  .nav-item span:last-child,
  .sidebar-card {
    display: none;
  }

  .workspace {
    padding: 18px;
  }

  .scan-layout {
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 14px;
  }

  .status-strip {
    min-width: 380px;
  }

  .ctg-canvas {
    height: clamp(280px, 38vh, 380px);
    min-height: 280px;
  }
}

@media (max-width: 940px) {
  .scan-layout {
    grid-template-columns: 1fr;
  }

  .confirm-panel {
    position: static;
    max-height: none;
  }
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    width: auto;
    height: auto;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .brand-copy {
    display: grid;
  }

  .nav-list {
    grid-template-columns: repeat(5, 1fr);
  }

  .nav-item {
    justify-content: center;
    padding: 0;
  }

  .nav-item span:last-child,
  .sidebar-card {
    display: none;
  }

  .workspace {
    padding: 14px;
  }

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

  .status-strip,
  .content-grid,
  .settings-grid,
  .calibration-layout {
    grid-template-columns: 1fr;
  }

  .calibration-layout .calibration-panel:last-child {
    grid-column: auto;
  }

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

  .field-grid,
  .timeline-track {
    grid-template-columns: 1fr 1fr;
  }

  .topbar h1 {
    font-size: 28px;
  }

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

  .status-card {
    min-height: 58px;
  }

  .status-strip strong {
    font-size: 21px;
  }

  .ctg-canvas {
    height: clamp(260px, 34vh, 330px);
    min-height: 260px;
  }
}

@media (max-width: 640px) {
  .upload-grid,
  .field-grid,
  .timeline-track,
  .schema-grid,
  .risk-preview {
    grid-template-columns: 1fr;
  }

  .upload-tile {
    min-height: 62px;
  }
}