/* ReadyPick
   Palette: cool sage paper, deep pine ink, plum accent.
   Chosen against the food-app defaults (cream + terracotta, near-black + acid green)
   so the product reads as considered rather than generated. Unknown states are
   slate — deliberately neutral, because unknown is not failure. */

:root {
  --paper:      #EDEFE9;
  --surface:    #FFFFFF;
  --ink:        #1B2B24;
  --ink-soft:   #4A5B52;
  --slate:      #6E7A72;
  --rule:       #D5DBD1;
  --plum:       #6B2D4F;
  --plum-soft:  #F3E9EE;
  --documented: #2F6B4F;
  --attested:   #1F5C7A;
  --qualified:  #8A6212;

  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --r: 14px;
  --pad: 20px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0; }
h1 { font-size: 2rem; letter-spacing: -0.01em; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }
p  { margin: 0 0 1rem; max-width: 68ch; }
a  { color: var(--plum); }

:focus-visible { outline: 3px solid var(--plum); outline-offset: 2px; border-radius: 4px; }

/* ---------------------------------------------------------------- chrome */
.masthead {
  position: sticky; top: 0; z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  padding: 12px var(--pad);
  display: flex; align-items: center; gap: 14px;
}
.wordmark {
  font-family: var(--serif); font-size: 1.2rem; font-weight: 600;
  letter-spacing: -0.01em; text-decoration: none; color: var(--ink);
}
.wordmark span { color: var(--plum); }
.masthead .tag {
  font-size: .78rem; color: var(--slate); display: none;
}
.masthead .spacer { flex: 1; }
.masthead nav a {
  font-size: .85rem; color: var(--ink-soft); text-decoration: none; margin-left: 16px;
}
.masthead nav a:hover { color: var(--plum); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 24px var(--pad) 120px; }

/* ---------------------------------------------------------------- steps */
.step { display: none; }
.step.on { display: block; animation: rise .28s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .step.on { animation: none; } }

.lede { color: var(--ink-soft); font-size: 1.05rem; max-width: 54ch; }

.progress {
  display: flex; gap: 6px; margin: 0 0 22px;
}
.progress i {
  height: 3px; flex: 1; background: var(--rule); border-radius: 2px;
}
.progress i.done { background: var(--plum); }

/* ---------------------------------------------------------------- chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 26px; }
.chip {
  appearance: none; cursor: pointer;
  background: var(--surface); border: 1.5px solid var(--rule);
  color: var(--ink); font: inherit; font-size: .95rem;
  padding: 12px 16px; border-radius: 999px;
  min-height: 46px;
  transition: border-color .12s, background .12s;
}
.chip:hover { border-color: var(--ink-soft); }
.chip[aria-pressed="true"] {
  background: var(--plum); border-color: var(--plum); color: #fff;
}

/* --------------------------------------------------- standards controls */
.std-list { display: grid; gap: 10px; margin: 18px 0 26px; }
.std {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.std .name { flex: 1; min-width: 150px; font-weight: 500; }
.std .note { flex-basis: 100%; font-size: .8rem; color: var(--slate); margin-top: -4px; }
.seg { display: flex; border: 1.5px solid var(--rule); border-radius: 10px; overflow: hidden; }
.seg button {
  appearance: none; background: var(--surface); border: 0; cursor: pointer;
  font: inherit; font-size: .82rem; padding: 9px 13px; min-height: 42px;
  color: var(--ink-soft); border-right: 1px solid var(--rule);
}
.seg button:last-child { border-right: 0; }
.seg button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.seg button[aria-pressed="true"][data-v="required"] { background: var(--plum); }

/* ---------------------------------------------------------------- forms */
label.field { display: block; font-size: .9rem; color: var(--ink-soft); margin-bottom: 6px; }
input[type="text"], input[type="email"] {
  font: inherit; font-size: 1.15rem; padding: 14px 16px; width: 100%; max-width: 260px;
  border: 1.5px solid var(--rule); border-radius: 12px; background: var(--surface);
  color: var(--ink);
}

/* -------------------------------------------------------------- buttons */
.btn {
  appearance: none; cursor: pointer; font: inherit; font-weight: 500;
  padding: 15px 26px; min-height: 50px; border-radius: 12px;
  border: 1.5px solid var(--ink); background: var(--ink); color: #fff;
}
.btn:hover { background: #14211B; }
.btn[disabled] { opacity: .4; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.plum { background: var(--plum); border-color: var(--plum); }
.btn.sm { padding: 10px 16px; min-height: 42px; font-size: .9rem; }

.actionbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--rule);
  padding: 12px var(--pad) calc(12px + env(safe-area-inset-bottom));
  display: flex; gap: 12px; align-items: center;
}
.actionbar .btn { flex: 1; }
.actionbar .count { font-size: .85rem; color: var(--slate); }

/* --------------------------------------------------------------- result */
.results-head {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  margin-bottom: 4px;
}
.results-head .n { font-family: var(--serif); font-size: 2.2rem; }
.subtle { color: var(--slate); font-size: .9rem; }

.grid { display: grid; gap: 14px; margin-top: 20px; }

.card {
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--r); padding: 18px; position: relative;
}
.card .top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.card h3 { margin-bottom: 2px; }
.card .prov { color: var(--ink-soft); font-size: .92rem; }
.card .price { font-family: var(--serif); font-size: 1.15rem; white-space: nowrap; }
.card .basis { display: block; font-family: var(--sans); font-size: .7rem; color: var(--slate); }

.badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 0; }
.badge {
  font-size: .74rem; padding: 4px 10px; border-radius: 6px;
  border: 1px solid var(--rule); color: var(--ink-soft); background: var(--paper);
}
.badge.fresh { border-color: #BBD3C2; }
.badge.frozen { border-color: #BFCEDA; }

/* evidence strip — the one loud element on the page */
.ev { list-style: none; margin: 14px 0 0; padding: 12px 0 0; border-top: 1px solid var(--rule); }
.ev li {
  display: flex; gap: 9px; align-items: baseline;
  font-size: .88rem; padding: 3px 0;
}
.ev .g { font-weight: 700; width: 1.1em; flex: none; text-align: center; }
.ev .documented .g { color: var(--documented); }
.ev .attested   .g { color: var(--attested); }
.ev .qualified  .g { color: var(--qualified); }
.ev .unknown    .g { color: var(--slate); }
.ev .unknown, .ev .qualified { color: var(--ink-soft); }

.card .foot { display: flex; gap: 10px; margin-top: 14px; align-items: center; }
.fav {
  appearance: none; background: transparent; border: 1.5px solid var(--rule);
  border-radius: 10px; width: 44px; height: 44px; cursor: pointer;
  font-size: 1.05rem; color: var(--slate);
}
.fav[aria-pressed="true"] { color: var(--plum); border-color: var(--plum); }

.caveat {
  margin-top: 12px; padding: 10px 12px; border-radius: 10px;
  background: var(--plum-soft); border: 1px solid #E3D2DA;
  font-size: .8rem; color: #5A2942;
}

/* ------------------------------------------------------------ no results */
.empty {
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--r); padding: 26px;
}
.empty h2 { margin-bottom: 10px; }
.blockers { list-style: none; padding: 0; margin: 0 0 20px; }
.blockers li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 0; border-bottom: 1px solid var(--rule); font-size: .92rem;
}
.blockers .n { color: var(--slate); font-variant-numeric: tabular-nums; }
.choices { display: grid; gap: 10px; }

.notice {
  border-left: 3px solid var(--rule); padding: 4px 0 4px 14px;
  margin: 22px 0; font-size: .88rem; color: var(--ink-soft);
}

/* ---------------------------------------------------------------- sheet */
.sheet-bg {
  position: fixed; inset: 0; background: rgba(20,30,25,.45); z-index: 50;
  display: none;
}
.sheet-bg.on { display: block; }
.sheet {
  position: fixed; z-index: 51; background: var(--surface);
  left: 0; right: 0; bottom: 0; max-height: 88vh; overflow-y: auto;
  border-radius: 18px 18px 0 0; padding: 22px var(--pad)
    calc(24px + env(safe-area-inset-bottom));
  transform: translateY(100%); transition: transform .26s ease;
}
.sheet.on { transform: none; }
@media (prefers-reduced-motion: reduce) { .sheet { transition: none; } }
.sheet .grip { width: 38px; height: 4px; border-radius: 2px; background: var(--rule);
  margin: -6px auto 16px; }

.eitem { border-top: 1px solid var(--rule); padding: 14px 0; }
.eitem:first-of-type { border-top: 0; }
.eitem .hdr { display: flex; gap: 9px; align-items: baseline; font-weight: 500; }
.eitem .req { font-size: .7rem; color: var(--plum); border: 1px solid var(--plum);
  border-radius: 5px; padding: 1px 6px; }
.eitem .pref { font-size: .7rem; color: var(--slate); border: 1px solid var(--rule);
  border-radius: 5px; padding: 1px 6px; }
.eitem blockquote {
  margin: 8px 0 6px; padding-left: 12px; border-left: 2px solid var(--rule);
  font-size: .86rem; color: var(--ink-soft); font-style: italic;
}
.eitem .meta { font-size: .76rem; color: var(--slate); }
.eitem .meta a { color: var(--slate); }

/* -------------------------------------------------------------- desktop */
@media (min-width: 760px) {
  h1 { font-size: 2.6rem; }
  .masthead { padding: 14px 32px; }
  .masthead .tag { display: block; }
  .wrap { padding: 40px 32px 140px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .chip { font-size: 1rem; }
}

@media (min-width: 1040px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  /* Results get a persistent standards rail rather than a stretched phone column. */
  .results-layout { display: grid; grid-template-columns: 270px 1fr; gap: 34px; align-items: start; }
  .rail { position: sticky; top: 84px; }
  .rail .card { padding: 16px; }
  .rail h3 { font-size: .95rem; margin-bottom: 10px; }
  .rail ul { list-style: none; padding: 0; margin: 0; font-size: .85rem; }
  .rail li { display: flex; justify-content: space-between; gap: 8px; padding: 5px 0;
    border-bottom: 1px solid var(--rule); }
  .rail li:last-child { border-bottom: 0; }
  .rail .m { color: var(--slate); font-size: .74rem; }
  .results-layout .grid { grid-template-columns: repeat(2, 1fr); }
  .actionbar { position: static; background: none; border: 0; padding: 24px 0 0;
    backdrop-filter: none; }
  .actionbar .btn { flex: 0 0 auto; }
}

@media (min-width: 760px) {
  .sheet {
    left: 50%; right: auto; bottom: auto; top: 50%;
    transform: translate(-50%, -46%) scale(.98); opacity: 0;
    width: min(620px, 92vw); max-height: 84vh; border-radius: 16px;
    transition: opacity .2s ease, transform .2s ease;
  }
  .sheet.on { transform: translate(-50%, -50%); opacity: 1; }
  .sheet .grip { display: none; }
}

/* ------------------------------------------------------------ prose page */
.prose { max-width: 68ch; }
.prose h2 { margin: 34px 0 10px; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose table { width: 100%; border-collapse: collapse; font-size: .9rem; margin: 16px 0; }
.prose th, .prose td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); }
.prose th { font-weight: 600; }
footer { border-top: 1px solid var(--rule); margin-top: 50px; padding: 24px var(--pad);
  font-size: .82rem; color: var(--slate); }
footer a { color: var(--slate); margin-right: 16px; }