:root {
  --ink: #202020;
  --crimson: #860c19;
  --white: #ffffff;
  --mint: #b8d2c0;
  --orange: #ea6218;
  --gold: #ffb816;
  --paper: #f6f2ea;
  --line: #c4bcad;
  --shadow: 6px 6px 0 var(--ink);
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

body { margin: 0; min-width: 320px; }

button, input, select { font: inherit; }

button { cursor: pointer; }

.site-header, main, footer { width: min(1440px, calc(100% - 48px)); margin-inline: auto; }

.site-header { align-items: center; display: flex; justify-content: space-between; min-height: 102px; }

.wordmark { color: var(--ink); font-size: clamp(1rem, 1.6vw, 1.42rem); font-weight: 900; letter-spacing: -0.07em; text-decoration: none; }
.wordmark span { color: var(--crimson); }
.site-header p, footer { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }

.intro { border-top: 2px solid var(--ink); padding: clamp(3.5rem, 8vw, 8rem) 0 clamp(3rem, 6vw, 5.2rem); }
.eyebrow { color: var(--crimson); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.13em; margin: 0 0 0.9rem; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(3.8rem, 9.4vw, 9.2rem); font-weight: 900; letter-spacing: -0.087em; line-height: 0.81; margin-bottom: 2rem; max-width: 900px; }
.lede { font-size: clamp(1.08rem, 1.8vw, 1.5rem); line-height: 1.4; margin-bottom: 0; max-width: 620px; }

.workspace { display: grid; gap: clamp(2.4rem, 5vw, 6rem); grid-template-columns: minmax(270px, 370px) minmax(0, 1fr); padding-bottom: 5rem; }
.controls { background: var(--white); border: 2px solid var(--ink); box-shadow: var(--shadow); padding: 1.6rem; }
fieldset { border: 0; border-bottom: 1px solid var(--line); margin: 0 0 1.35rem; padding: 0 0 1.45rem; }
fieldset:last-of-type { border-bottom: 0; margin-bottom: 1rem; padding-bottom: 0; }
legend { font-size: 0.93rem; font-weight: 900; letter-spacing: -0.025em; padding: 0 0 0.85rem; }

.segmented-control { display: flex; flex-wrap: wrap; gap: 0.43rem; }
.segmented-control label { border: 1.5px solid var(--ink); cursor: pointer; font-size: 0.74rem; font-weight: 800; padding: 0.52rem 0.65rem; }
.segmented-control input { accent-color: var(--crimson); margin: 0 0.25rem 0 0; }

.size-fields { display: grid; gap: 0.55rem; grid-template-columns: 1fr 1fr; margin-top: 0.85rem; }
.size-fields label, .select-label { align-items: baseline; display: grid; font-size: 0.75rem; font-weight: 800; gap: 0.25rem; grid-template-columns: auto 1fr auto; }
.size-fields .dpi-field { grid-column: 1 / -1; }
.size-fields input, .select-label select { border: 1px solid var(--ink); border-radius: 0; min-width: 0; padding: 0.48rem; width: 100%; }
.field-help { color: #625c51; font-size: 0.72rem; grid-column: 1 / -1; margin: 0.1rem 0 0; }
.dimension-summary { color: #625c51; font-size: 0.75rem; line-height: 1.35; margin: 0.85rem 0 0; }
.is-hidden { display: none !important; }

.palette-grid { display: grid; gap: 0.5rem; grid-template-columns: 1fr 1fr; }
.color-choice { border: 1.5px solid var(--ink); cursor: pointer; display: grid; font-size: 0.72rem; gap: 0.13rem; grid-template-columns: auto 1fr; padding: 0.46rem; }
.color-choice input { accent-color: var(--ink); grid-row: 1 / 3; margin: 0.1rem 0.25rem 0 0; }
.color-choice span { font-weight: 900; }
.color-choice code { color: #5d584f; font-family: inherit; font-size: 0.64rem; letter-spacing: 0.02em; }
.color-choice.ink { background: var(--ink); color: var(--white); }
.color-choice.ink code { color: #ddd8cd; }
.color-choice.crimson { background: var(--crimson); color: var(--white); }
.color-choice.crimson code { color: #f1ced2; }
.color-choice.white { background: var(--white); }
.color-choice.mint { background: var(--mint); }
.color-choice.orange { background: var(--orange); }
.color-choice.gold { background: var(--gold); }
.select-label { margin-top: 0.9rem; }
.background-picker { align-items: center; display: flex; flex-wrap: wrap; font-size: 0.74rem; gap: 0.65rem; margin-top: 1rem; }
.background-picker > span { font-weight: 900; margin-right: 0.15rem; }
.background-picker input { accent-color: var(--crimson); }

.rule-toggle { align-items: start; cursor: pointer; display: flex; font-size: 0.76rem; gap: 0.55rem; margin: 0 0 0.9rem; }
.rule-toggle:last-child { margin-bottom: 0; }
.rule-toggle input { accent-color: var(--crimson); margin-top: 0.12rem; }
.rule-toggle strong, .rule-toggle small { display: block; }
.rule-toggle strong { font-size: 0.8rem; margin-bottom: 0.2rem; }
.rule-toggle small { color: #625c51; line-height: 1.35; }

.button { align-items: center; border: 2px solid var(--ink); display: inline-flex; font-weight: 900; gap: 0.8rem; justify-content: center; letter-spacing: -0.02em; min-height: 48px; padding: 0.65rem 1rem; }
.button:focus-visible, input:focus-visible, select:focus-visible, .wordmark:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.button-primary { background: var(--gold); color: var(--ink); width: 100%; }
.button-primary:hover { background: var(--orange); }
.button-secondary { background: var(--white); color: var(--ink); }
.button-secondary:hover { background: var(--mint); }
.form-message { color: var(--crimson); font-size: 0.76rem; font-weight: 700; line-height: 1.3; margin: 0.85rem 0 0; min-height: 1em; }

.preview-panel { min-width: 0; }
.preview-heading { align-items: end; display: flex; gap: 1rem; justify-content: space-between; margin-bottom: 1rem; }
h2 { font-size: clamp(2.1rem, 4.4vw, 4.8rem); font-weight: 900; letter-spacing: -0.075em; line-height: 0.85; margin-bottom: 0; }
.preview-meta { font-size: 0.72rem; font-weight: 800; margin: 0; text-align: right; }
.preview-frame { align-items: center; background: var(--white); border: 2px solid var(--ink); display: flex; min-height: 300px; overflow: hidden; }
.preview-frame svg { display: block; height: auto; max-height: 680px; width: 100%; }
.preview-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.preview-actions .button-primary { flex: 1; min-width: 150px; }
.download-note { color: #625c51; font-size: 0.72rem; line-height: 1.35; margin: 0.85rem 0 0; max-width: 570px; }

.brand-note { border-left: 8px solid var(--crimson); font-size: clamp(1.05rem, 1.75vw, 1.45rem); line-height: 1.35; margin: 0 0 5rem auto; max-width: 850px; padding: 0.1rem 0 0.1rem 1.4rem; }
.brand-note p { margin-bottom: 0; }
footer { border-top: 2px solid var(--ink); padding: 1.2rem 0 2rem; }

@media (max-width: 880px) {
  .workspace { grid-template-columns: 1fr; }
  .controls { max-width: 560px; }
}

@media (max-width: 520px) {
  .site-header, main, footer { width: min(100% - 30px, 1440px); }
  .site-header { min-height: 76px; }
  .site-header p { display: none; }
  .intro { padding-top: 3.5rem; }
  h1 { font-size: clamp(3.15rem, 17vw, 5rem); }
  .controls { box-shadow: 4px 4px 0 var(--ink); padding: 1.2rem; }
  .palette-grid { grid-template-columns: 1fr; }
  .preview-heading { align-items: start; flex-direction: column; }
  .preview-meta { text-align: left; }
  .preview-frame { min-height: 210px; }
}