:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #18212f;
  --muted: #627084;
  --line: #d9e0e8;
  --red: #c2410c;
  --green: #047857;
  --blue: #2563eb;
  --amber: #b7791f;
  --ink: #111827;
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}

body.view-mobile {
  background:
    linear-gradient(180deg, #dfe7ef 0%, #f3f6f9 46%, #e9eef4 100%);
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}

button:hover {
  border-color: #94a3b8;
}

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

button.ghost {
  background: transparent;
}

button.wide {
  width: 100%;
}

.app-shell {
  width: min(1760px, 100%);
  margin: 0 auto;
  padding: 18px;
}

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

.topbar h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.top-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.mode-toggle {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.mode-toggle button {
  min-height: 36px;
  border: 0;
  border-radius: 0;
  padding: 0 12px;
  background: transparent;
}

.mode-toggle button.active {
  background: var(--ink);
  color: #fff;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 10px 12px;
}

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

.metric strong {
  display: block;
  margin-top: 3px;
  font-size: 18px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(460px, 1.25fr) minmax(420px, 1fr) minmax(340px, 0.82fr);
  gap: 12px;
  align-items: start;
}

.left-col,
.center-col,
.right-col {
  display: grid;
  gap: 12px;
}

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

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head.compact {
  padding: 12px 14px;
}

.panel h2 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0;
}

.date-pill,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--muted);
  padding: 3px 10px;
  font-size: 12px;
  white-space: nowrap;
}

.tag.warn {
  color: #92400e;
  background: #fff7ed;
  border-color: #fed7aa;
}

.chart-panel canvas {
  display: block;
  width: 100%;
  height: 390px;
}

.event-body {
  min-height: 210px;
  margin: 0;
  padding: 16px;
  color: #253246;
  white-space: pre-line;
}

.event-options {
  display: grid;
  gap: 8px;
  padding: 0 16px 16px;
}

.event-option {
  border-left: 3px solid var(--amber);
  background: #fffbeb;
  padding: 10px 12px;
  border-radius: 8px;
  color: #4b3420;
}

.research-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 12px 0;
  overflow-x: auto;
}

.research-tabs button {
  flex: 0 0 auto;
  min-height: 32px;
  padding: 0 10px;
}

.research-tabs button.active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.research-list {
  display: grid;
  gap: 10px;
  max-height: 430px;
  overflow: auto;
  padding: 12px;
}

.research-card {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 11px;
  text-align: left;
}

.research-card.selected {
  border-color: var(--blue);
  background: #eff6ff;
}

.research-card strong {
  font-size: 14px;
}

.research-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.decision-panel form {
  display: grid;
  gap: 13px;
  padding: 14px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
  color: #243145;
}

output {
  justify-self: end;
  color: var(--blue);
}

input[type="range"] {
  width: 100%;
}

textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: var(--text);
  background: #fff;
}

.preset-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.selected-evidence {
  display: flex;
  min-height: 32px;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  padding: 4px 9px;
  font-size: 12px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
}

.portfolio-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  padding: 10px;
}

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

.portfolio-item strong {
  display: block;
  margin-top: 3px;
}

.decision-history {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
  padding: 0 12px 12px;
}

.decision-row {
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  background: #f8fafc;
  padding: 9px 10px;
}

.decision-row strong,
.decision-row span {
  display: block;
}

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

#reviewContent {
  display: grid;
  gap: 12px;
  padding: 12px;
}

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

.diagnostic-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  padding: 10px;
}

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

.diagnostic-item strong {
  display: block;
  margin-top: 3px;
  font-size: 17px;
}

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

.score {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}

.score meter {
  width: 100%;
}

.review-list {
  margin: 0;
  padding-left: 18px;
  color: #334155;
}

#reviewContent h3 {
  margin: 0 0 7px;
  font-size: 14px;
}

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

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

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

  .right-col {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }

  .metrics-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 10px;
  }

  .topbar,
  .workspace,
  .right-col {
    grid-template-columns: 1fr;
    display: grid;
  }

  .top-actions,
  .preset-row,
  .metrics-strip,
  .portfolio-grid,
  .score-grid {
    grid-template-columns: 1fr 1fr;
  }

  .chart-panel canvas {
    height: 300px;
  }
}

body.view-mobile .app-shell {
  width: min(430px, 100%);
  min-height: 100vh;
  padding: 10px;
}

@media (min-width: 761px) {
  body.view-mobile .app-shell {
    min-height: calc(100vh - 36px);
    margin: 18px auto;
    border: 1px solid rgba(148, 163, 184, 0.45);
    border-radius: 28px;
    background: #f7f9fb;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.2);
    overflow: hidden;
  }
}

body.view-mobile .topbar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

body.view-mobile .topbar h1 {
  font-size: 25px;
}

body.view-mobile .top-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

body.view-mobile .mode-toggle {
  grid-column: 1 / -1;
}

body.view-mobile .metrics-strip,
body.view-mobile .portfolio-grid,
body.view-mobile .score-grid {
  grid-template-columns: 1fr 1fr;
}

body.view-mobile .workspace,
body.view-mobile .right-col {
  display: grid;
  grid-template-columns: 1fr;
}

body.view-mobile .chart-panel canvas {
  height: 300px;
}

body.view-mobile .event-body {
  min-height: 0;
}

body.view-mobile .research-list {
  max-height: 360px;
}

body.view-mobile .preset-row {
  grid-template-columns: 1fr 1fr;
}

body.view-mobile .preset-row button:last-child {
  grid-column: 1 / -1;
}

body.view-wide .app-shell {
  width: min(1760px, 100%);
}

@media (max-width: 760px) {
  .mode-toggle {
    display: none;
  }
}