:root {
  color-scheme: light;
  --bg: #f6f1e7;
  --panel: #fffaf0;
  --panel-strong: #efe2c9;
  --ink: #202629;
  --muted: #66706f;
  --line: #d6cab5;
  --accent: #8f4f2f;
  --blue: #2f6470;
  --green: #3f714f;
  --red: #963f34;
  --gold: #9b6d24;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  background:
    linear-gradient(90deg, rgba(32, 38, 41, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(32, 38, 41, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 34px 34px;
  color: var(--ink);
  margin: 0;
}

.hero,
main {
  margin: 0 auto;
  width: min(1500px, calc(100vw - 40px));
}

.hero {
  align-items: end;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 42px 0 22px;
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 5rem);
  line-height: 0.98;
  margin-bottom: 14px;
}

h2 {
  font-size: 1.45rem;
  line-height: 1.1;
  margin-bottom: 10px;
}

.hero p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.58;
  max-width: 920px;
}

nav {
  display: flex;
  gap: 10px;
}

a {
  border: 1px solid var(--line);
  color: var(--accent);
  font-weight: 760;
  padding: 10px 12px;
  text-decoration: none;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 820;
  letter-spacing: 0.13em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

code {
  background: var(--panel-strong);
  border-radius: 3px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  padding: 0.08rem 0.24rem;
}

.controls,
.summary-strip,
.panel {
  background: rgba(255, 250, 240, 0.94);
  border: 1px solid var(--line);
}

.controls {
  align-items: end;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(7, minmax(130px, 1fr));
  padding: 16px;
  position: sticky;
  top: 0;
  z-index: 5;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 0.74rem;
  font-weight: 760;
  gap: 7px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

select,
input[type="range"] {
  accent-color: var(--accent);
}

select {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  font: inherit;
  padding: 9px 10px;
}

.summary-strip {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 18px 0;
  padding: 14px;
}

.stat {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  padding: 14px;
}

.stat span {
  color: var(--muted);
  display: block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.stat strong {
  font-size: 1.18rem;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  padding-bottom: 40px;
}

.panel {
  min-width: 0;
  padding: 18px;
}

.panel.large {
  grid-row: span 2;
}

.panel-heading {
  align-items: start;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.55fr);
}

canvas {
  background: #fffdf7;
  border: 1px solid var(--line);
  display: block;
  height: auto;
  max-width: 100%;
  width: 100%;
}

.muted {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 10px 0 0;
}

@media (max-width: 1120px) {
  .hero,
  .grid,
  .panel-heading {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .controls,
  .summary-strip {
    grid-template-columns: 1fr;
  }

  nav {
    display: grid;
  }
}