:root {
  /* Hallmark · base · ADHD/OCD-friendly
   * pre-emit critique: P4 H4 E4 S4 R5 V4
   */
  --font-display: "Inter Tight", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: var(--lh-base);
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

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

a {
  color: var(--color-accent-1);
  text-decoration: none;
}
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 800;
  line-height: var(--lh-tight);
  margin: 0 0 var(--space-sm);
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

p { margin: 0 0 var(--space-md); }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 var(--space-md); padding-left: var(--space-lg); }

.wrap {
  width: min(var(--max-content), calc(100% - var(--space-lg)));
  margin-inline: auto;
}

.prose {
  max-width: var(--max-prose);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Buttons --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  line-height: 1;
  white-space: nowrap;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.btn:active { transform: translateY(0); }
.btn:disabled, .btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-warm);
  color: var(--color-warm-ink);
  border-color: var(--color-warm);
}
.btn--primary:hover {
  background: var(--color-warm-1);
  border-color: var(--color-warm-1);
}

.btn--secondary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-color: var(--color-accent);
}
.btn--secondary:hover {
  background: var(--color-accent-1);
  border-color: var(--color-accent-1);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink-1);
  border-color: var(--color-paper-2);
}
.btn--ghost:hover {
  background: var(--color-paper-1);
  border-color: var(--color-paper-3);
}

.btn--text {
  background: transparent;
  color: var(--color-accent-1);
  border-color: transparent;
  padding-inline: var(--space-xs);
}
.btn--text:hover { text-decoration: underline; }

/* --- Inputs ---------------------------------------------------------- */
.field {
  display: grid;
  gap: var(--space-2xs);
}
.field__label {
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--color-ink-1);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.field__input,
.field__select,
.field__textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-paper-2);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-base);
  line-height: var(--lh-snug);
  outline: 2px solid transparent;
  outline-offset: -1px;
  transition: border-color var(--duration-base) var(--ease-out),
              outline-color var(--duration-base) var(--ease-out);
}
.field__input:hover,
.field__select:hover,
.field__textarea:hover { border-color: var(--color-paper-3); }
.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  border-color: var(--color-accent);
  outline-color: var(--color-accent);
}
.field__input:disabled,
.field__select:disabled,
.field__textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-paper-1);
}
.field__helper {
  font-size: var(--text-xs);
  color: var(--color-ink-3);
  min-height: 1lh;
}

/* --- Cards ----------------------------------------------------------- */
.card {
  background: var(--color-paper);
  border: 1px solid var(--color-paper-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.card--filled {
  background: var(--color-paper-1);
}

/* --- Section head ---------------------------------------------------- */
.section-head {
  margin-bottom: var(--space-lg);
}
.section-head__title {
  font-size: var(--text-2xl);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2xs);
}
.section-head__lede {
  color: var(--color-ink-3);
  font-size: var(--text-base);
  max-width: var(--max-prose);
}

/* --- Status chips ---------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.chip--accent {
  background: var(--color-accent-2);
  color: var(--color-accent-1);
}
.chip--warm {
  background: var(--color-warm-2);
  color: var(--color-warm-1);
}

/* --- Prose tables ---------------------------------------------------- */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
}
.prose th,
.prose td {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-paper-2);
  text-align: left;
  vertical-align: top;
}
.prose th {
  background: var(--color-paper-1);
  font-weight: 800;
  color: var(--color-ink-1);
}
.prose tr:nth-child(even) td {
  background: var(--color-paper-1);
}

@media (max-width: 48rem) {
  .prose table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* --- Utility --------------------------------------------------------- */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--color-ink-3); }
.font-mono { font-family: var(--font-mono); }
.font-display { font-family: var(--font-display); }

.hide-mobile { display: inline; }

@media (max-width: 48rem) {
  :root { --text-4xl: 1.875rem; --text-3xl: 1.5rem; --text-2xl: 1.25rem; }
  .section-head__title { font-size: var(--text-xl); }
  .hide-mobile { display: none; }
}