:root {
  color-scheme: light;
  --bg: #f6f3ef;
  --surface: #fffdf9;
  --surface-soft: #f0ebe3;
  --ink: #1f2937;
  --muted: #6f756f;
  --line: #ded7cc;
  --red: #d94b4b;
  --green: #2c8f68;
  --amber: #c88a25;
  --blue: #286f9b;
  --shadow: 0 20px 50px rgba(43, 36, 25, 0.1);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(246, 243, 239, 0.94), rgba(246, 243, 239, 0.98)),
    radial-gradient(circle at 82% 8%, rgba(44, 143, 104, 0.12), transparent 28%),
    radial-gradient(circle at 18% 0%, rgba(217, 75, 75, 0.13), transparent 26%);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  border-radius: 7px;
  background: var(--ink);
  color: white;
  cursor: pointer;
  min-height: 38px;
  padding: 0 14px;
  transition:
    transform 0.16s ease,
    background 0.16s ease,
    opacity 0.16s ease;
}

button:hover {
  transform: translateY(-1px);
  background: #101722;
}

button:disabled {
  cursor: progress;
  opacity: 0.6;
  transform: none;
}

input,
select {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  outline: none;
  padding: 0 11px;
}

input:focus,
select:focus {
  border-color: rgba(40, 111, 155, 0.55);
  box-shadow: 0 0 0 3px rgba(40, 111, 155, 0.13);
}

.app-shell {
  width: min(1680px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 850;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.06;
  letter-spacing: 0;
}

.brand p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.status-pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.76);
  color: var(--muted);
  padding: 8px 12px;
  font-size: 13px;
  white-space: nowrap;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(270px, 320px) minmax(0, 1fr) minmax(280px, 340px);
  gap: 14px;
  align-items: stretch;
}

.surface {
  border: 1px solid rgba(222, 215, 204, 0.82);
  border-radius: 8px;
  background: rgba(255, 253, 249, 0.9);
  box-shadow: var(--shadow);
}

.sidebar,
.inspector {
  min-height: calc(100vh - 112px);
  padding: 14px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.code-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.scan-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: end;
}

.scan-controls label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.scan-controls select {
  width: 100%;
}

.range-control {
  display: grid;
  gap: 8px;
  padding: 10px;
  border-radius: 8px;
  background: var(--surface-soft);
}

.range-control > div {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

.range-control strong {
  color: var(--ink);
}

.range-control input {
  width: 100%;
  min-height: 18px;
  padding: 0;
  accent-color: var(--red);
}

.scan-summary {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.candidate-list {
  display: grid;
  gap: 8px;
  overflow: auto;
  padding-right: 2px;
}

.candidate-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
}

.candidate-card.active {
  border-color: rgba(217, 75, 75, 0.5);
  box-shadow: inset 3px 0 0 var(--red);
}

.candidate-name {
  overflow: hidden;
  font-weight: 780;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.candidate-code,
.candidate-note {
  color: var(--muted);
  font-size: 12px;
}

.candidate-score {
  align-self: start;
  min-width: 42px;
  border-radius: 7px;
  background: #f4e5df;
  color: #a03636;
  padding: 6px 8px;
  text-align: center;
  font-weight: 850;
}

.chart-column {
  display: grid;
  grid-template-rows: auto minmax(500px, calc(100vh - 182px));
  gap: 14px;
  min-width: 0;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 74px;
  padding: 14px 16px;
}

.stock-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.stock-title span:first-child {
  overflow: hidden;
  font-size: 24px;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stock-title span:last-child {
  color: var(--muted);
  font-size: 13px;
}

.stock-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.score-chip {
  min-width: 76px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  padding: 10px 12px;
  text-align: center;
  font-size: 24px;
  font-weight: 850;
}

.chart-panel {
  position: relative;
  min-height: 500px;
  overflow: hidden;
}

#chartCanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.chart-tip {
  position: absolute;
  z-index: 5;
  min-width: 142px;
  pointer-events: none;
  border: 1px solid rgba(31, 41, 55, 0.14);
  border-radius: 8px;
  background: rgba(255, 253, 249, 0.94);
  box-shadow: 0 14px 34px rgba(31, 41, 55, 0.14);
  color: var(--ink);
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.55;
}

.inspector {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.score-board {
  display: grid;
  gap: 5px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  padding: 14px;
}

.score-board span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.score-board strong {
  font-size: 44px;
  line-height: 1;
  letter-spacing: 0;
}

.score-board small {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.metric {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px;
}

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

.metric strong {
  font-size: 18px;
}

.analysis-block {
  display: grid;
  gap: 9px;
}

.analysis-block h2 {
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.factor-list,
.risk-list {
  display: grid;
  gap: 8px;
}

.factor,
.risk {
  border-radius: 8px;
  background: var(--surface-soft);
  padding: 10px;
  font-size: 13px;
  line-height: 1.45;
}

.factor.good {
  background: rgba(44, 143, 104, 0.12);
  color: #1b684b;
}

.factor.warn,
.risk.warn {
  background: rgba(200, 138, 37, 0.15);
  color: #885c13;
}

.risk.bad {
  background: rgba(217, 75, 75, 0.12);
  color: #9b3333;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 18px 12px;
  text-align: center;
  font-size: 13px;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .inspector {
    grid-column: 1 / -1;
    min-height: auto;
  }
}

@media (max-width: 820px) {
  .app-shell {
    padding: 10px;
  }

  .topbar {
    min-height: 64px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand p {
    display: none;
  }

  .status-pill {
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
  }

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

  .sidebar,
  .inspector {
    min-height: auto;
  }

  .chart-column {
    grid-template-rows: auto minmax(480px, 64vh);
  }

  .chart-header {
    align-items: flex-start;
  }

  .stock-title {
    display: grid;
    gap: 2px;
  }

  .score-chip {
    min-width: 62px;
    font-size: 20px;
  }

  .scan-controls {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .scan-controls button:last-child {
    grid-column: 2;
  }

  .candidate-list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(188px, 68vw);
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px 0 8px;
  }

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

@media (max-width: 520px) {
  h1 {
    font-size: 19px;
  }

  .topbar {
    gap: 8px;
  }

  .status-pill {
    font-size: 12px;
    padding: 7px 9px;
  }

  .chart-panel {
    min-height: 460px;
  }

  .chart-column {
    grid-template-rows: auto minmax(460px, 62vh);
  }

  .chart-header {
    min-height: 68px;
    padding: 12px;
  }

  .stock-title span:first-child {
    font-size: 20px;
  }

  .stock-meta {
    font-size: 12px;
  }
}