:root {
  --bg: #eef2ef;
  --ink: #17211d;
  --muted: #65716b;
  --line: #d6ddd8;
  --panel: #fbfcf9;
  --green: #0b7a53;
  --red: #bf3f3f;
  --amber: #b97d16;
  --blue: #225c7f;
  --shadow: 0 16px 40px rgba(19, 35, 28, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

button {
  cursor: pointer;
}

textarea {
  min-height: 72px;
  resize: vertical;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  background: rgba(251, 252, 249, 0.92);
}

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

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand span {
  display: block;
}

.brand div span,
.hint,
.panel-label,
.eyebrow,
.metric-card span,
.market-tile span,
.list-item span {
  color: var(--muted);
}

.brand div span,
.panel-label,
.eyebrow,
.metric-card span,
.market-tile span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

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

.nav-item {
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--muted);
  text-decoration: none;
}

.nav-item.is-active,
.nav-item:hover {
  background: #e3eee7;
  color: var(--ink);
}

.side-panel,
.metric-card,
.panel {
  border: 1px solid rgba(214, 221, 216, 0.88);
  border-radius: 8px;
  background: rgba(251, 252, 249, 0.96);
  box-shadow: var(--shadow);
}

.side-panel {
  padding: 16px;
  box-shadow: none;
}

.workspace {
  padding: 30px;
}

.topbar,
.section-head,
.inline-actions,
.list-item > div,
.tag-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar,
.section-head,
.list-item > div {
  justify-content: space-between;
}

.topbar {
  align-items: flex-start;
  margin-bottom: 22px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  margin-top: 4px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.06;
}

h2 {
  margin-top: 4px;
  font-size: 18px;
}

h3 {
  margin-top: 6px;
  font-size: 24px;
}

.hint {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.55;
}

.market-tile,
.metric-card,
.panel {
  padding: 18px;
}

.market-tile {
  min-width: 160px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-align: right;
}

.market-tile strong,
.metric-card strong {
  display: block;
  margin-top: 8px;
}

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

.metric-card strong {
  font-size: 24px;
}

.metric-card em {
  display: block;
  margin-top: 8px;
  color: var(--blue);
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  gap: 14px;
}

.page {
  display: none;
}

.page.is-active {
  display: block;
}

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

.symbol-input {
  width: 220px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
}

.primary-action,
.secondary-action,
.ghost-action,
.status-button {
  min-height: 40px;
  border-radius: 8px;
  font-weight: 800;
}

.primary-action {
  border: 0;
  background: var(--ink);
  color: #fff;
  padding: 0 16px;
}

.primary-action:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.secondary-action,
.ghost-action,
.status-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0 13px;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.quote-grid div {
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

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

.quote-grid strong {
  display: block;
  margin-top: 8px;
}

.fundamental-box {
  display: grid;
  gap: 14px;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.compact-head {
  align-items: flex-start;
}

.source-badge {
  display: inline-grid;
  min-height: 28px;
  min-width: 64px;
  place-items: center;
  border-radius: 6px;
  background: rgba(34, 92, 127, 0.1);
  color: var(--blue);
  padding: 0 9px;
  font-size: 12px;
  font-weight: 800;
}

.up-badge {
  background: rgba(11, 122, 83, 0.1);
  color: var(--green);
}

.down-badge {
  background: rgba(191, 63, 63, 0.1);
  color: var(--red);
}

.fundamental-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.fundamental-grid div {
  min-height: 70px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcf9;
  padding: 12px;
}

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

.fundamental-grid strong {
  display: block;
  margin-top: 8px;
}

.analysis-box {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

li {
  margin: 6px 0;
  color: var(--muted);
  line-height: 1.5;
}

.tag-row {
  flex-wrap: wrap;
  justify-content: flex-start;
}

.tag-row span,
.tag-row .bad {
  display: inline-grid;
  min-height: 28px;
  place-items: center;
  border-radius: 6px;
  background: rgba(34, 92, 127, 0.1);
  color: var(--blue);
  padding: 0 9px;
  font-size: 12px;
  font-weight: 800;
}

.tag-row .bad {
  background: rgba(191, 63, 63, 0.1);
  color: var(--red);
}

.form-grid {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

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

.form-grid-wide textarea,
.form-grid-wide button {
  grid-column: 1 / -1;
}

.list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.list-item {
  display: grid;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.list-item p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

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

.explain-box {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.explain-box p {
  color: var(--muted);
  line-height: 1.65;
}

.records-panel {
  max-width: 1180px;
}

.analysis-record-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

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

.analysis-record header,
.record-main,
.record-meta,
.chat-head,
.chat-form {
  display: flex;
  align-items: center;
  gap: 12px;
}

.analysis-record header,
.record-main,
.chat-head {
  justify-content: space-between;
}

.analysis-record header div,
.record-main > div:first-child,
.chat-head div {
  display: grid;
  gap: 5px;
}

.analysis-record header span,
.record-main p,
.record-details,
.chat-message p {
  color: var(--muted);
  line-height: 1.6;
}

.record-status {
  display: inline-grid;
  min-height: 30px;
  min-width: 72px;
  place-items: center;
  border-radius: 6px;
  background: rgba(34, 92, 127, 0.1);
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.record-status.is-valid {
  background: rgba(11, 122, 83, 0.1);
  color: var(--green);
}

.record-status.is-invalid {
  background: rgba(191, 63, 63, 0.1);
  color: var(--red);
}

.record-main {
  align-items: flex-start;
}

.record-main h3 {
  font-size: 22px;
}

.record-meta {
  flex: 0 0 220px;
  align-items: stretch;
  flex-direction: column;
}

.record-meta span {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcf9;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.record-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.record-columns > div {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.record-details {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  font-size: 13px;
}

.record-details summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
}

.chat-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
}

.chat-fab {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  box-shadow: 0 18px 42px rgba(19, 35, 28, 0.24);
}

.chat-fab span,
.chat-fab strong {
  display: block;
  line-height: 1;
}

.chat-fab span {
  font-size: 20px;
  font-weight: 900;
}

.chat-fab strong {
  font-size: 12px;
}

.chat-fab.is-open {
  background: var(--green);
}

.chat-window {
  position: absolute;
  right: 0;
  bottom: 86px;
  display: grid;
  width: min(420px, calc(100vw - 32px));
  max-height: min(680px, calc(100vh - 130px));
  grid-template-rows: auto minmax(220px, 1fr) auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 24px 60px rgba(19, 35, 28, 0.22);
  overflow: hidden;
}

.chat-window[hidden] {
  display: none;
}

.chat-head {
  border-bottom: 1px solid var(--line);
  padding: 14px;
}

.icon-action {
  width: 36px;
  min-height: 36px;
  padding: 0;
  font-size: 20px;
}

.chat-messages {
  display: grid;
  align-content: start;
  gap: 10px;
  overflow-y: auto;
  padding: 14px;
}

.chat-message {
  display: grid;
  gap: 6px;
  max-width: 88%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

.chat-message span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.chat-message.user {
  justify-self: end;
  border-color: rgba(11, 122, 83, 0.24);
  background: #edf7f1;
}

.chat-form {
  align-items: stretch;
  border-top: 1px solid var(--line);
  padding: 12px;
}

.chat-form textarea {
  min-height: 48px;
  max-height: 120px;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.learning-card {
  display: grid;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 16px;
}

.learning-card p {
  color: var(--muted);
  line-height: 1.65;
}

.workflow-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

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

.recommendation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}

.recommendation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.recommendation-head strong {
  color: var(--ink);
  font-size: 16px;
}

.recommendation-list {
  margin-top: 10px;
}

.recommendation-group {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.recommendation-group + .recommendation-group {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.recommendation-group-head {
  display: grid;
  gap: 4px;
}

.recommendation-group-head span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.recommendation-item {
  display: grid;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
}

.recommendation-item > div {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.recommendation-item span,
.recommendation-item p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.recommendation-item .ghost-action {
  justify-self: start;
}

.empty-state {
  color: var(--muted);
  font-size: 14px;
}

.up {
  color: var(--green) !important;
}

.down {
  color: var(--red) !important;
}

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

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .layout-grid,
  .learning-grid,
  .form-grid-wide,
  .compact-list,
  .fundamental-grid,
  .recommendation-grid,
  .record-columns {
    grid-template-columns: 1fr;
  }

  .record-main {
    display: grid;
  }

  .record-meta {
    flex: none;
  }
}

@media (max-width: 760px) {
  .workspace,
  .sidebar {
    padding: 18px;
  }

  .topbar,
  .section-head,
  .inline-actions,
  .split {
    align-items: stretch;
    flex-direction: column;
  }

  .metrics-grid,
  .quote-grid,
  .fundamental-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .market-tile {
    width: 100%;
    text-align: left;
  }

  .symbol-input {
    width: 100%;
  }

  .chat-widget {
    right: 16px;
    bottom: 16px;
  }

  .chat-fab {
    width: 64px;
    height: 64px;
  }

  .chat-form {
    display: grid;
  }
}