:root {
  --bg: #f6f8fb;
  --panel: #ffffff;
  --panel-soft: #f9fbfd;
  --text: #152033;
  --muted: #667085;
  --line: #d9e1ea;
  --line-soft: #e9eef4;
  --blue: #1f5eff;
  --blue-dark: #143fba;
  --green: #07845f;
  --red: #c7352b;
  --amber: #a76800;
  --shadow: 0 14px 30px rgba(21, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

button,
input {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto 18px;
  max-width: 1440px;
}

h1 {
  margin: 0 0 4px;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: 0;
}

p {
  margin: 0;
  color: var(--muted);
}

.toolbar {
  display: flex;
  align-items: end;
  gap: 10px;
}

.toolbar label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.toolbar input,
.toolbar button {
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 0 12px;
}

.toolbar button {
  cursor: pointer;
  border-color: var(--blue);
  background: var(--blue);
  color: white;
  font-weight: 700;
}

.toolbar button:last-child {
  background: white;
  color: var(--blue-dark);
}

main {
  max-width: 1440px;
  margin: 0 auto;
}

.decision-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 16px;
}

.decision-panel,
.reason-panel,
.table-panel,
.side-panel {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.decision-panel,
.reason-panel {
  min-height: 282px;
  padding: 22px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

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

.status {
  border-radius: 999px;
  padding: 6px 10px;
  background: #e8f2ff;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 800;
}

.status.buy {
  background: #e5f7ef;
  color: var(--green);
}

.status.no-trade {
  background: #fff3e1;
  color: var(--amber);
}

.primary-stock {
  display: grid;
  gap: 16px;
}

.stock-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.stock-title strong {
  font-size: 42px;
  line-height: 1;
}

.stock-title span {
  color: var(--muted);
  font-size: 20px;
  font-weight: 700;
}

.decision-copy {
  color: var(--muted);
  max-width: 720px;
  line-height: 1.65;
}

.price-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
}

.price-cell {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 12px;
}

.price-cell span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 7px;
}

.price-cell strong {
  font-size: 19px;
}

.red {
  color: var(--red);
}

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

.reason-list,
.compact-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.reason-list li,
.compact-list li {
  position: relative;
  padding-left: 18px;
  color: #24324a;
  line-height: 1.5;
}

.reason-list li::before,
.compact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.metric {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel);
  padding: 16px;
}

.metric span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

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

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
}

.history-panel {
  margin: 16px 0;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 18px;
}

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

.history-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-height: 78px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--text);
  padding: 12px;
  text-align: left;
  cursor: pointer;
}

.history-item.active {
  border-color: var(--blue);
  background: #eef4ff;
}

.history-item strong,
.history-item small,
.history-meta b,
.history-meta small {
  display: block;
}

.history-item strong {
  margin-bottom: 5px;
  font-size: 15px;
}

.history-item small,
.history-meta small,
.history-empty {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.history-meta {
  min-width: 96px;
  text-align: right;
}

.history-meta b {
  color: var(--blue-dark);
  font-size: 17px;
  margin-bottom: 5px;
}

.table-panel,
.side-panel {
  padding: 18px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 960px;
}

th,
td {
  border-bottom: 1px solid var(--line-soft);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
  font-size: 13px;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  background: #fbfcfe;
}

td strong {
  display: block;
  margin-bottom: 3px;
}

.tagline {
  color: var(--muted);
  max-width: 260px;
  line-height: 1.45;
}

.risk-tags {
  display: grid;
  gap: 5px;
}

.risk-tag {
  display: inline-block;
  border-radius: 6px;
  background: #fff3e1;
  color: var(--amber);
  padding: 4px 7px;
  font-size: 12px;
  line-height: 1.2;
}

.side-stack {
  display: grid;
  gap: 16px;
  align-content: start;
}

.market-block,
.industry-block {
  display: grid;
  gap: 9px;
}

.market-row,
.industry-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 8px;
  font-size: 13px;
}

.risk-band {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  border: 1px solid #f3d7a2;
  border-radius: 8px;
  background: #fff8ec;
  color: #6c4500;
  padding: 14px 16px;
  line-height: 1.5;
}

.skeleton {
  border-radius: 8px;
  background: linear-gradient(90deg, #eef2f6, #f8fafc, #eef2f6);
  background-size: 220% 100%;
  animation: shimmer 1.2s infinite;
}

.skeleton.line {
  width: 120px;
  height: 18px;
}

.skeleton.title {
  width: 68%;
  height: 54px;
}

.skeleton.row {
  width: 92%;
  height: 88px;
}

@keyframes shimmer {
  to {
    background-position: -220% 0;
  }
}

@media (max-width: 1080px) {
  .topbar,
  .decision-grid,
  .content-grid,
  .history-list {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

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

@media (max-width: 760px) {
  .app-shell {
    padding: 14px;
  }

  .toolbar,
  .metrics-strip,
  .price-row,
  .side-stack {
    grid-template-columns: 1fr;
    display: grid;
  }

  .decision-panel,
  .reason-panel,
  .table-panel,
  .side-panel {
    padding: 15px;
  }

  .stock-title strong {
    font-size: 32px;
  }

  .risk-band {
    display: grid;
  }
}