:root {
  --paper: #f7f1e5;
  --paper-deep: #efe3cb;
  --ink: #231d18;
  --muted: #71675d;
  --teal: #087f7a;
  --teal-soft: #c7eee7;
  --cranberry: #b43d4b;
  --gold: #e7aa2d;
  --leaf: #597d3f;
  --line: rgba(35, 29, 24, 0.14);
  --shadow: 0 22px 60px rgba(53, 38, 20, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at 12% 8%, rgba(231, 170, 45, 0.18), transparent 30%),
    radial-gradient(circle at 88% 18%, rgba(8, 127, 122, 0.16), transparent 32%),
    linear-gradient(135deg, #fbf7ed, var(--paper));
  color: var(--ink);
  font-family: Charter, "Iowan Old Style", Georgia, serif;
}

body {
  margin: 0;
  min-height: 100%;
}

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

button {
  cursor: pointer;
}

.shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.topbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

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

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #fffaf1;
  background: var(--ink);
  border-radius: 50%;
  font-family: Optima, Candara, serif;
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand span,
.privacy-pill,
.eyebrow,
.summary-card p,
.microcopy,
.score-ring small,
.tab,
.primary,
.ghost,
.file-button,
.research-item span {
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
}

.brand strong {
  display: block;
  font-size: 1rem;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.privacy-pill {
  border: 1px solid rgba(8, 127, 122, 0.26);
  background: rgba(199, 238, 231, 0.72);
  color: #075f5c;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 0.86rem;
  font-weight: 700;
}

.hero {
  position: relative;
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 0.86fr);
  gap: clamp(22px, 4vw, 64px);
  align-items: center;
  padding: 44px 0 26px;
}

#helixCanvas {
  width: 100%;
  aspect-ratio: 12 / 7;
  min-height: 340px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.56), rgba(239, 227, 203, 0.72)),
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(35, 29, 24, 0.035) 34px 35px);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--cranberry);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  font-size: clamp(3rem, 6.2vw, 5.9rem);
}

h2 {
  font-size: clamp(1.35rem, 2vw, 2.2rem);
}

.lede {
  max-width: 620px;
  margin: 24px 0 28px;
  color: #463a30;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions,
.panel-heading,
.result-header,
.tabs,
.controls,
.source-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.primary,
.ghost,
.file-button {
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 11px 16px;
  font-weight: 800;
}

.primary {
  background: var(--ink);
  color: #fff8e8;
  box-shadow: 0 12px 28px rgba(35, 29, 24, 0.2);
}

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

.ghost,
.file-button {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.48);
  border-color: var(--line);
}

.file-button {
  position: relative;
  overflow: hidden;
}

.file-button input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.safety-strip {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 15px 18px;
  margin-bottom: 20px;
  background: #fff7d5;
  border: 1px solid rgba(231, 170, 45, 0.46);
  border-radius: 8px;
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 420px) 1fr;
  gap: 18px;
  align-items: start;
}

.input-panel,
.results-panel,
.questions-card,
.action-card,
.research-card {
  background: rgba(255, 252, 244, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(60, 40, 20, 0.08);
}

.input-panel,
.results-panel {
  min-height: 620px;
}

.input-panel {
  padding: 18px;
  position: sticky;
  top: 16px;
}

.panel-heading,
.result-header {
  justify-content: space-between;
  margin-bottom: 16px;
}

textarea {
  width: 100%;
  min-height: 360px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf0;
  color: var(--ink);
  padding: 14px;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.55;
}

select,
input[type="number"] {
  min-height: 42px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf0;
  color: var(--ink);
  padding: 9px 11px;
}

textarea:focus,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(8, 127, 122, 0.28);
  outline-offset: 2px;
}

.profile-grid {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 10px;
  margin: 12px 0 4px;
}

.profile-grid label,
.shield-toggle {
  color: var(--muted);
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
}

.profile-grid label {
  display: grid;
  gap: 6px;
}

.shield-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 2px 0 14px;
  padding: 10px;
  border: 1px solid rgba(8, 127, 122, 0.22);
  border-radius: 8px;
  background: rgba(199, 238, 231, 0.32);
}

.shield-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--teal);
}

.controls {
  margin: 14px 0;
  justify-content: space-between;
}

.controls label {
  display: grid;
  gap: 6px;
  width: 100%;
  color: var(--muted);
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
}

output {
  min-width: 52px;
  text-align: right;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  color: var(--teal);
  font-weight: 800;
}

.full {
  width: 100%;
}

.microcopy {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.results-panel {
  padding: 20px;
}

.score-ring {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #fffaf0 0 52%, transparent 53%),
    conic-gradient(var(--teal) var(--score-angle, 0deg), rgba(8, 127, 122, 0.13) 0);
}

.score-ring span {
  display: block;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 2rem;
  font-weight: 900;
}

.score-ring small {
  display: block;
  margin-top: -22px;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 800;
  text-transform: uppercase;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.molecular-map {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 14px;
  border: 1px solid rgba(8, 127, 122, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(120deg, rgba(199, 238, 231, 0.38), rgba(255, 247, 213, 0.42)),
    repeating-linear-gradient(90deg, transparent 0 28px, rgba(35, 29, 24, 0.035) 28px 29px);
}

.map-lane {
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: center;
  gap: 12px;
}

.map-lane > span {
  color: var(--muted);
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  font-size: 0.73rem;
  font-weight: 900;
  text-transform: uppercase;
}

.rail {
  position: relative;
  min-height: 32px;
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.75);
  border: 1px solid var(--line);
  overflow: hidden;
}

.rail::before {
  content: "";
  position: absolute;
  inset: 15px 12px auto;
  height: 2px;
  background: rgba(35, 29, 24, 0.14);
}

.rail-dot {
  position: absolute;
  top: 50%;
  left: var(--x);
  width: var(--size);
  height: var(--size);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--dot-color);
  box-shadow: 0 0 0 5px rgba(255, 250, 240, 0.78), 0 7px 14px rgba(35, 29, 24, 0.16);
}

.rail-dot[data-label]::after {
  content: attr(data-label);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  color: var(--ink);
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  font-size: 0.64rem;
  font-weight: 900;
  white-space: nowrap;
}

.summary-card {
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.summary-card span {
  display: block;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 2.4rem;
  font-weight: 900;
}

.summary-card p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.urgent {
  background: rgba(180, 61, 75, 0.11);
}

.watch {
  background: rgba(231, 170, 45, 0.15);
}

.calm {
  background: rgba(89, 125, 63, 0.13);
}

.tabs {
  flex-wrap: wrap;
  margin: 8px 0 18px;
}

.tab {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.44);
  border-radius: 999px;
  padding: 9px 13px;
  font-size: 0.8rem;
  font-weight: 900;
}

.tab.active {
  background: var(--teal);
  color: #fffaf1;
  border-color: transparent;
}

.variant-list {
  display: grid;
  gap: 12px;
}

.variant-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf0;
  padding: 16px;
}

.variant-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.variant-title {
  display: grid;
  gap: 4px;
}

.variant-title strong {
  font-size: 1.25rem;
}

.variant-title span,
.variant-meta,
.explain,
.next-step {
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
}

.variant-title span,
.variant-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.badge {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 7px 10px;
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  font-size: 0.74rem;
  font-weight: 900;
}

.badge.doctor {
  background: rgba(180, 61, 75, 0.15);
  color: #8f2534;
}

.badge.watch {
  background: rgba(231, 170, 45, 0.2);
  color: #80560f;
}

.badge.calm {
  background: rgba(89, 125, 63, 0.16);
  color: #3f622a;
}

.badge.shielded {
  background: rgba(8, 127, 122, 0.14);
  color: #075f5c;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.signal {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.46);
}

.signal small {
  display: block;
  color: var(--muted);
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  font-size: 0.7rem;
  font-weight: 900;
  text-transform: uppercase;
}

.signal strong {
  display: block;
  margin-top: 5px;
  font-family: "SF Mono", Menlo, Consolas, monospace;
}

.bar {
  height: 7px;
  margin-top: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(35, 29, 24, 0.1);
}

.bar span {
  display: block;
  height: 100%;
  width: var(--bar-width);
  background: var(--bar-color, var(--teal));
}

.explain {
  margin: 10px 0 0;
  color: #40362f;
  line-height: 1.5;
}

.next-step {
  margin-top: 12px;
  padding-top: 12px;
  color: #47392e;
  border-top: 1px solid var(--line);
  font-weight: 800;
}

.guidance {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}

.questions-card,
.action-card,
.research-card {
  padding: 20px;
}

.action-plan {
  display: grid;
  gap: 10px;
  color: #40362f;
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  line-height: 1.48;
}

.action-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.48);
}

.action-step span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: #fffaf0;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-weight: 900;
}

.action-step strong {
  display: block;
  margin-bottom: 3px;
}

.questions-card ol {
  margin: 16px 0 0;
  padding-left: 22px;
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  line-height: 1.7;
}

.research-card {
  display: grid;
  gap: 12px;
}

.research-item {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.42);
}

.research-item.warning {
  background: #fff7d5;
}

.research-item span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.source-links {
  flex-wrap: wrap;
}

.source-links a {
  color: var(--teal);
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  font-weight: 900;
}

.empty-state {
  min-height: 260px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(35, 29, 24, 0.22);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  font-family: Avenir Next, Avenir, Helvetica, sans-serif;
  padding: 24px;
}

@media (max-width: 980px) {
  .hero,
  .workspace,
  .guidance {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .input-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .shell {
    padding: 14px;
  }

  .topbar,
  .hero-actions,
  .result-header,
  .safety-strip {
    align-items: stretch;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(2.65rem, 16vw, 4rem);
  }

  #helixCanvas {
    min-height: 260px;
  }

  .summary-grid,
  .signal-row,
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .map-lane {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .score-ring {
    width: 96px;
    height: 96px;
  }
}