* {
  box-sizing: border-box;
}

body {
  background: #f4f6f7;
  color: #182131;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
}

input {
  font: inherit;
}

.mf-shell {
  margin: 0 auto;
  max-width: 1440px;
  padding: 1rem;
}

.mf-titlebar,
.mf-window,
.mf-control-panel,
.mf-chart-wrap,
.mf-summary-grid div,
.mf-conclusion,
.mf-reference {
  background: #ffffff;
  border: 1px solid #d9e3e8;
  border-radius: 8px;
}

.mf-titlebar {
  align-items: center;
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem 1.25rem;
}

.mf-titlebar img {
  flex: 0 0 auto;
  height: 58px;
  width: min(290px, 34vw);
}

.mf-titlebar h1 {
  font-size: clamp(1.75rem, 3.3vw, 3rem);
  letter-spacing: 0;
  line-height: 1.05;
  margin: 0;
  white-space: nowrap;
}

.mf-window {
  display: grid;
  gap: 1rem;
  grid-template-columns: 320px minmax(0, 1fr);
  padding: 1rem;
}

.mf-control-panel {
  align-content: start;
  display: grid;
  gap: 0.95rem;
  padding: 1rem;
}

.mf-panel-head {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

.mf-panel-head h2 {
  font-size: 1rem;
  letter-spacing: 0;
  margin: 0;
}

.mf-control-panel label {
  display: grid;
  gap: 0.3rem;
}

.mf-control-panel label span,
.mf-summary-grid span {
  color: #60727d;
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

.mf-control-panel input[type="range"] {
  accent-color: #2e7678;
  width: 100%;
}

.mf-control-panel output {
  color: #172033;
  font-size: 0.86rem;
  font-weight: 800;
}

#region-pill {
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.36rem 0.62rem;
  white-space: nowrap;
}

#region-pill[data-state="profit"] {
  background: #fff1cf;
  border: 1px solid #f2c96a;
  color: #8a5600;
}

#region-pill[data-state="loss"] {
  background: #e9f1ff;
  border: 1px solid #b8ccef;
  color: #315d9b;
}

.mf-analysis {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.mf-chart-wrap {
  min-width: 0;
  padding: 1rem;
}

#mf-chart {
  display: block;
  height: auto;
  width: 100%;
}

.mf-summary-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mf-summary-grid div {
  padding: 0.85rem;
}

.mf-summary-grid strong {
  display: block;
  font-size: 1.32rem;
  margin-top: 0.18rem;
}

.mf-conclusion {
  color: #2d424d;
  font-size: 0.95rem;
  line-height: 1.55;
  padding: 1rem;
}

.mf-reference {
  margin-top: 1rem;
  padding: 1rem;
}

.mf-reference h2 {
  font-size: 1rem;
  margin: 0 0 0.6rem;
}

.mf-reference p {
  color: #2d424d;
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 0.8rem;
}

.mf-reference a {
  color: #0d5f7a;
  font-weight: 700;
}

.mf-bibtex-head {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.mf-bibtex-head span {
  color: #60727d;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.mf-bibtex-head button {
  background: #183238;
  border: 0;
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.45rem 0.65rem;
}

.mf-bibtex-head button[data-copied="true"] {
  background: #1f6a3d;
}

.mf-reference pre {
  background: #f6f8fa;
  border: 1px solid #d9e3e8;
  border-radius: 8px;
  margin: 0;
  overflow-x: auto;
  padding: 0.9rem;
}

.mf-reference code {
  color: #182131;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  line-height: 1.45;
}

@media (max-width: 960px) {
  .mf-window {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .mf-shell {
    padding: 0.75rem;
  }

  .mf-titlebar h1 {
    font-size: 1.55rem;
    white-space: normal;
  }

  .mf-titlebar {
    align-items: flex-start;
    flex-direction: column;
  }

  .mf-titlebar img {
    height: auto;
    width: min(100%, 290px);
  }

  .mf-summary-grid {
    grid-template-columns: 1fr;
  }
}