:root {
  color-scheme: light;
  --bg: #f7f4ee;
  --bg-accent: #ece4d9;
  --surface: rgba(255, 252, 247, 0.9);
  --surface-strong: #fffaf4;
  --ink: #132a3a;
  --muted: #546574;
  --accent: #b04a2f;
  --accent-soft: rgba(176, 74, 47, 0.12);
  --line: rgba(19, 42, 58, 0.12);
  --shadow: 0 12px 28px rgba(19, 42, 58, 0.08);
  --radius: 14px;
  --sidebar-width: 316px;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(180deg, #fbfaf6 0%, var(--bg) 100%);
}

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

.page-shell {
  display: grid;
  grid-template-columns: minmax(280px, var(--sidebar-width)) minmax(0, 1fr);
  min-height: 100vh;
  transition: grid-template-columns 160ms ease;
}

.sidebar,
.content {
  padding: 24px;
}

.sidebar {
  background: linear-gradient(180deg, rgba(255, 250, 244, 0.95), rgba(255, 250, 244, 0.82));
  border-right: 1px solid var(--line);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.sidebar-header h1,
.plot-header h2 {
  margin: 0 0 12px;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  line-height: 1.05;
}

.sidebar-header h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.intro,
.field-note,
.plot-note,
.read-guide,
#commentary-text,
#warnings-list,
#status-card {
  color: var(--muted);
  line-height: 1.6;
}

.control-form {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.control-group,
.control-grid,
.toggle-list,
.button-row,
.status-card,
.plot-card,
.summary-card,
.commentary-card,
.warnings-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.control-group,
.control-grid,
.toggle-list,
.button-row {
  padding: 16px;
}

.control-group {
  display: grid;
  gap: 10px;
}

.control-grid {
  display: grid;
  gap: 10px;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.range-input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.range-input-grid > div {
  display: grid;
  gap: 8px;
}

.range-input-grid label {
  font-size: 0.78rem;
}

.label-row output {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

label {
  font-size: 0.9rem;
  font-weight: 700;
}

.field-note {
  margin: -2px 0 0;
  font-size: 0.84rem;
}

.field-details {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.field-details summary {
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
}

.field-details p {
  margin: 8px 0 0;
}

input,
select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid rgba(19, 42, 58, 0.2);
  border-radius: 10px;
  background: var(--surface-strong);
  color: var(--ink);
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid rgba(176, 74, 47, 0.38);
  outline-offset: 2px;
}

.toggle-list {
  display: grid;
  gap: 10px;
}

.checkbox {
  display: flex;
  gap: 12px;
  align-items: start;
  font-weight: 500;
}

.checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--ink), #26485d);
  color: #fffdf9;
  cursor: pointer;
}

.button-row button {
  flex: 1 1 120px;
}

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

.mobile-toggle {
  display: none;
  width: 100%;
  margin-top: 16px;
  background: linear-gradient(135deg, var(--accent), #c86a4b);
}

.content {
  display: grid;
  gap: 18px;
}

.status-card,
.plot-card,
.summary-card,
.commentary-card,
.warnings-card {
  padding: 20px;
}

.plot-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px 18px;
  align-items: start;
  margin-bottom: 18px;
}

.plot-subtitle {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.desktop-controls-toggle {
  align-self: start;
  padding: 9px 14px;
  background: var(--surface-strong);
  border: 1px solid rgba(19, 42, 58, 0.18);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
}

.desktop-controls-toggle:hover {
  background: #ffffff;
}

.view-mode-control {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 520px;
  margin: 0;
  padding: 0;
  border: 0;
}

.view-mode-control legend {
  width: 100%;
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.view-mode-control label {
  position: relative;
  cursor: pointer;
}

.view-mode-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.view-mode-control span {
  display: block;
  padding: 9px 12px;
  border: 1px solid rgba(19, 42, 58, 0.16);
  border-radius: 10px;
  background: var(--surface-strong);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
}

.view-mode-control input:checked + span {
  border-color: rgba(176, 74, 47, 0.45);
  background: var(--accent-soft);
  color: var(--ink);
}

.view-mode-control input:focus-visible + span {
  outline: 2px solid rgba(176, 74, 47, 0.38);
  outline-offset: 2px;
}

.read-guide {
  margin: 0 0 14px;
  padding: 10px 0 0;
  border-top: 1px solid rgba(19, 42, 58, 0.1);
  font-size: 0.92rem;
}

.read-guide p {
  margin: 0;
}

.read-guide .field-details {
  margin-top: 10px;
}

.plot-key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 12px;
}

.comparison-takeaway {
  margin: 0 0 14px;
  max-width: 950px;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
}

.key-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.key-line {
  width: 34px;
  border-top: 3px solid currentColor;
}

.key-line-estimate {
  color: #b04a2f;
}

.key-line-null {
  color: #132a3a;
  border-top-style: dotted;
}

.key-line-critical {
  color: #8f6b1f;
  border-top-style: solid;
  border-image: repeating-linear-gradient(
      90deg,
      currentColor 0 10px,
      transparent 10px 14px,
      currentColor 14px 17px,
      transparent 17px 21px
    )
    1;
}

.key-line-ci {
  color: rgba(176, 74, 47, 0.42);
  border-top-width: 8px;
}

.key-line-s-minus-2 {
  color: rgba(19, 42, 58, 0.34);
  border-top-width: 8px;
}

.key-line-threshold {
  color: #4c8a5b;
  border-top-style: dashed;
}

.key-line-cutoff {
  color: rgba(19, 42, 58, 0.45);
  border-top-width: 2px;
  border-top-style: dashed;
}

.plot-surface {
  min-height: 680px;
  min-width: 0;
  width: 100%;
}

.figure-caption-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(19, 42, 58, 0.1);
}

.figure-caption-block p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.figure-caption-block button {
  padding: 9px 13px;
  background: var(--surface-strong);
  border: 1px solid rgba(19, 42, 58, 0.18);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
}

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

.advanced-controls summary {
  cursor: pointer;
  padding: 15px 16px;
  color: var(--ink);
  font-weight: 800;
}

.advanced-controls-body {
  display: grid;
  gap: 14px;
  padding: 0 16px 16px;
}

.advanced-controls .control-subgroup {
  padding: 14px 0 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.summary-grid {
  display: grid;
  gap: 18px;
}

.summary-group {
  display: grid;
  gap: 10px;
}

.summary-group-title {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.summary-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

.summary-item {
  padding: 12px 0;
  border-top: 1px solid rgba(19, 42, 58, 0.1);
}

.summary-item span {
  display: block;
}

.summary-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-value {
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
}

#warnings-list {
  margin: 0;
  padding-left: 20px;
}

.sources-footer {
  padding: 14px 0 4px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.sources-footer ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sources-footer li {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.sources-footer a {
  color: var(--ink);
  font-weight: 800;
  text-decoration-color: rgba(176, 74, 47, 0.45);
  text-underline-offset: 3px;
}

.sources-footer a:hover {
  color: var(--accent);
}

.status-card[data-state="error"] {
  border-color: rgba(176, 74, 47, 0.35);
  background: rgba(176, 74, 47, 0.08);
}

.status-card[data-state="ready"] {
  padding: 12px 16px;
  border-color: rgba(43, 110, 69, 0.25);
  background: rgba(43, 110, 69, 0.09);
}

@media (min-width: 981px) {
  .page-shell[data-controls-collapsed="true"] {
    grid-template-columns: 0 minmax(0, 1fr);
  }

  .page-shell[data-controls-collapsed="true"] .sidebar {
    padding-right: 0;
    padding-left: 0;
    border-right: 0;
  }
}

@media (max-width: 980px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

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

  .mobile-toggle {
    display: block;
  }

  .sidebar[data-collapsed="true"] .control-form {
    display: none;
  }

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

  .plot-header {
    grid-template-columns: 1fr;
  }

  .desktop-controls-toggle {
    display: none;
  }

  .view-mode-control {
    max-width: none;
  }

  .plot-surface {
    min-height: 560px;
  }
}

@media (max-width: 640px) {
  .sidebar,
  .content {
    padding: 18px;
  }

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

  .button-row {
    flex-direction: column;
  }

  .range-input-grid {
    grid-template-columns: 1fr;
  }

  .figure-caption-block {
    grid-template-columns: 1fr;
  }
}