:root {
  color-scheme: light;
  --ink: #18232f;
  --muted: #687482;
  --line: #d9e2ea;
  --surface: #ffffff;
  --soft: #f4f7f8;
  --teal: #155e75;
  --green: #18875b;
  --amber: #b7791f;
  --red: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--soft);
}

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

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

.sidebar {
  background: #12313a;
  color: #fff;
  padding: 24px 18px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 26px;
  padding: 8px 8px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #f6c85f;
  color: #0f3443;
  font-weight: 800;
}

.brand h1 {
  margin: 0;
  font-size: 20px;
}

.brand p {
  margin: 4px 0 0;
  color: #b8ced8;
  font-size: 13px;
}

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

.nav-group {
  display: grid;
  gap: 7px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.nav-phase {
  display: grid;
  grid-template-columns: 34px 1fr;
  column-gap: 10px;
  align-items: center;
  margin-bottom: 4px;
}

.nav-phase strong {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(246, 200, 95, 0.16);
  color: #f6c85f;
  font-size: 13px;
}

.nav-phase span {
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.nav-phase small {
  grid-column: 2;
  color: #9fc0ca;
  font-size: 12px;
  line-height: 1.4;
}

.nav-group .nav-item {
  padding-left: 12px;
}

.nav-item {
  border: 0;
  border-radius: 7px;
  padding: 10px 12px;
  text-align: left;
  color: #d8e8ee;
  background: transparent;
  cursor: pointer;
}

.nav-item.active,
.nav-item:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
}

.nav-item.disabled,
.nav-item.disabled:hover {
  color: rgba(216, 232, 238, 0.5);
  background: transparent;
  cursor: default;
}

.content {
  padding: 34px;
  overflow: auto;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.page-title {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

h2 {
  margin: 0;
  max-width: 820px;
  font-size: 30px;
  line-height: 1.25;
}

.title-with-help {
  display: inline-flex;
  gap: 10px;
  align-items: center;
}

h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.install-btn,
.primary-btn,
.secondary-btn {
  border: 0;
  border-radius: 8px;
  padding: 11px 16px;
  cursor: pointer;
  min-height: 42px;
  align-self: start;
}

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

.secondary-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.ghost-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  min-height: 38px;
  background: #f8fafb;
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
}

.ghost-btn:hover {
  border-color: #9ab8c6;
  background: #eef6f8;
}

.primary-btn:disabled,
.secondary-btn:disabled {
  color: #95a1ad;
  background: #f1f4f6;
  cursor: not-allowed;
}

.hidden {
  display: none;
}

.workflow-grid,
.model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.project-workspace {
  display: grid;
  grid-template-columns: minmax(360px, 1.35fr) minmax(300px, 0.85fr);
  gap: 18px;
  margin-bottom: 18px;
}

.project-panel,
.project-status-panel {
  min-height: 100%;
}

.project-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.two-col-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.span-row {
  grid-column: 1 / -1;
}

.project-save-status {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  border: 1px solid #cfe0e7;
  border-radius: 8px;
  padding: 6px 10px;
  color: var(--teal);
  background: #f4fafb;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.project-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.project-summary-grid div,
.next-action {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.project-summary-grid span,
.next-action span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.project-summary-grid strong,
.next-action strong {
  display: block;
  font-size: 15px;
  line-height: 1.35;
}

.project-checklist {
  display: grid;
  gap: 8px;
}

.project-check {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.project-check.is-done {
  border-color: #cfe5d9;
  background: #f4fbf7;
}

.project-check i {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  background: #a6b0ba;
  font-style: normal;
  font-size: 12px;
  font-weight: 900;
}

.project-check.is-done i {
  background: var(--green);
}

.project-check span {
  color: #314253;
  font-weight: 800;
}

.questionnaire-import {
  display: grid;
  gap: 14px;
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.import-flow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.import-flow section,
.import-preview {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.import-flow strong,
.import-preview strong {
  display: block;
  margin-bottom: 8px;
}

.import-flow p,
.import-preview span,
.import-note li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.import-note {
  background: #fff9ed;
  border-color: #f0d39a;
}

.import-note-inline {
  align-self: stretch;
}

.import-note ul {
  margin: 0;
  padding-left: 18px;
}

.file-drop {
  min-height: 96px;
  display: grid;
  place-items: center;
  border: 1px dashed #84a9bb;
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  text-align: center;
  cursor: pointer;
}

.file-drop input {
  display: none;
}

.file-drop span {
  font-weight: 800;
}

.import-preview {
  min-height: 96px;
}

.tool-card,
.model-grid article,
.panel,
.result-panel,
.roadmap,
.report-strip {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.tool-card,
.model-grid article {
  min-height: 170px;
  padding: 20px;
  cursor: pointer;
}

.tool-card span,
.model-grid span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.tool-card p,
.model-grid p,
.section-heading p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.ready {
  border-top: 4px solid var(--green);
}

.planned {
  border-top: 4px solid var(--amber);
}

.roadmap {
  margin-top: 18px;
  padding: 22px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.section-heading.compact {
  align-items: end;
  margin-bottom: 12px;
}

.priority-list {
  display: grid;
  gap: 10px;
}

.priority-list div {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.priority-list strong {
  color: var(--teal);
}

.split-layout,
.link-tester {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: 18px;
  align-items: start;
}

.panel {
  padding: 20px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.field,
label {
  display: grid;
  gap: 7px;
  color: #314253;
  font-weight: 700;
}

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

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

.mini-import-btn {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 13px;
  white-space: nowrap;
}

.help-btn {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--teal);
  background: #fff;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

.help-btn:hover,
.help-btn[aria-expanded="true"] {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

.help-text {
  display: none;
  margin: 0 0 4px;
  padding: 10px 12px;
  border-left: 3px solid var(--teal);
  border-radius: 0 8px 8px 0;
  color: var(--muted);
  background: #eef7f8;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
}

.help-text.active {
  display: block;
}

.model-help-btn {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--teal);
  background: #fff;
  font-size: 15px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(18, 49, 58, 0.06);
  flex: 0 0 auto;
}

.model-help-btn:hover {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 260px;
  resize: vertical;
  line-height: 1.6;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-items: start;
}

.span-row {
  grid-column: 1 / -1;
}

.segmented-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f4f7f8;
}

.segmented-control button {
  border: 0;
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.segmented-control button.active {
  color: #fff;
  background: var(--teal);
}

.quota-mode {
  display: none;
}

.quota-mode.active {
  display: grid;
  gap: 14px;
}

.quota-dimensions {
  display: grid;
  gap: 12px;
}

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

.quota-dimension-head {
  display: grid;
  grid-template-columns: 1fr 38px;
  gap: 8px;
}

.quota-dimension-title {
  color: #314253;
  font-size: 13px;
  font-weight: 800;
}

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

.quota-total-status {
  padding: 9px 11px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
}

.quota-total-status.valid {
  color: var(--green);
  background: #edf8f2;
}

.quota-total-status.invalid {
  color: var(--amber);
  background: #fff7e8;
}

.quota-item-row {
  display: grid;
  grid-template-columns: 1fr 110px 38px;
  gap: 8px;
}

.quota-item-row .icon-btn,
.quota-dimension-head .icon-btn {
  width: 38px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fff;
  cursor: pointer;
}

.quota-item-row .icon-btn:hover,
.quota-dimension-head .icon-btn:hover {
  color: var(--red);
  border-color: #f0c7c2;
  background: #fff6f5;
}

.panel-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.input-unit {
  position: relative;
  display: block;
}

.input-unit input {
  padding-right: 42px;
}

.input-unit > span {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-weight: 700;
  pointer-events: none;
}

small {
  color: var(--muted);
  font-weight: 400;
}

.result-panel {
  padding: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-content: start;
}

.quota-output {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.quota-template-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  background: #f4f7f8;
  color: #314253;
  font-size: 13px;
}

td {
  background: #fff;
  color: var(--ink);
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

.result-panel div,
.report-strip div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fbfcfd;
}

.result-panel span,
.report-strip span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.result-panel strong,
.report-strip strong {
  font-size: 30px;
}

.result-panel p {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.checklist,
.audit-results {
  display: grid;
  gap: 10px;
}

.audit-results {
  align-content: start;
}

.empty-state,
.audit-issue {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.empty-state span,
.audit-issue p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

.issue-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.issue-head strong {
  font-size: 16px;
}

.issue-tag {
  flex: 0 0 auto;
  border-radius: 8px;
  padding: 5px 9px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.issue-tag.high {
  background: var(--red);
}

.issue-tag.medium {
  background: var(--amber);
}

.issue-tag.low {
  background: var(--green);
}

.issue-evidence {
  padding: 10px 12px;
  border-radius: 8px;
  background: #f4f7f8;
  color: #314253;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
}

.editable-result-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
}

.editable-result-toolbar span {
  color: var(--muted);
  font-size: 13px;
}

.editable-suggestion {
  gap: 12px;
}

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

.editable-suggestion-head select,
.compact-field input,
.compact-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.compact-field {
  gap: 6px;
}

.inline-check {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--ink);
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

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

.metric-grid div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.metric-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.metric-grid strong {
  font-size: 22px;
}

.psm-note {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #f0d39a;
  border-radius: 8px;
  background: #fff9ed;
  color: #7a5620;
  font-size: 13px;
  line-height: 1.6;
}

.psm-chart {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.psm-chart svg {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.guide-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.guide-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.guide-card-main {
  grid-column: 1 / -1;
  background: #f8fbfc;
}

.guide-card span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
}

.guide-card h3 {
  margin-bottom: 10px;
}

.guide-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.guide-back {
  margin-top: 16px;
}

.secondary-tool {
  margin-top: 18px;
}

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

.maxdiff-set {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.maxdiff-set strong {
  display: block;
  margin-bottom: 8px;
}

.maxdiff-set ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.7;
}

.score-bars {
  display: grid;
  gap: 10px;
}

.score-bar-row {
  display: grid;
  grid-template-columns: minmax(90px, 150px) 1fr 56px;
  gap: 10px;
  align-items: center;
}

.score-bar-row span {
  color: #314253;
  font-weight: 800;
}

.score-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #edf2f5;
}

.score-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.score-track .positive {
  background: var(--green);
}

.score-track .negative {
  background: var(--amber);
}

.score-bar-row strong {
  text-align: right;
}

.ai-risk-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-risk-list li {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.ai-risk-list span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.prompt-box {
  min-height: 300px;
  color: #314253;
  background: #fbfcfd;
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  font-size: 13px;
}

.planned-banner {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid #f0d39a;
  border-radius: 8px;
  background: #fff9ed;
  color: #7a5620;
}

.planned-banner strong {
  font-size: 15px;
}

.planned-banner span {
  color: #7a5620;
  font-size: 13px;
  line-height: 1.6;
}

.check-item {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.check-item input {
  width: 18px;
  height: 18px;
}

.check-item strong {
  display: block;
}

.check-item span {
  color: var(--muted);
  font-size: 13px;
}

.severity {
  border-radius: 8px;
  padding: 6px 9px;
  color: #fff;
  font-size: 12px;
}

.severity.high {
  background: var(--red);
}

.severity.medium {
  background: var(--amber);
}

.severity.low {
  background: var(--green);
}

.report-strip {
  margin-top: 18px;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.model-grid button {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--muted);
  background: #eef3f5;
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    padding: 18px;
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .nav-item {
    text-align: center;
  }

  .nav > .nav-item {
    grid-column: 1 / -1;
  }

  .content {
    padding: 22px;
  }

  .workflow-grid,
  .model-grid,
  .guide-layout,
  .maxdiff-grid,
  .project-workspace,
  .split-layout,
  .link-tester,
  .result-panel,
  .report-strip {
    grid-template-columns: 1fr;
  }

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

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

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

  .project-form,
  .project-summary-grid,
  .import-flow {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .nav {
    grid-template-columns: 1fr;
  }

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

  .nav-phase {
    grid-column: 1 / -1;
  }

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

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

  .metric-grid.compact-metrics {
    grid-template-columns: 1fr;
  }

  .page-title {
    display: block;
  }

  h2 {
    font-size: 24px;
  }

  .section-heading {
    display: block;
  }
}