/* ============================================================
   Alcalde Books — storefront styles
   Design: a bookkeeper's-ledger palette — cool "paper" with a
   library-green structure and a single aged-brass accent.
   Light + dark themes via CSS custom properties.
   ============================================================ */

:root {
  --paper: #eef0ea; --card: #f6f7f2; --card-2: #fbfcf8;
  --ink: #1b241f; --ink-soft: #45514a; --ink-faint: #6d786f;
  --rule: #c9cec2; --rule-strong: #aab0a2;
  --green: #23503f; --green-bright: #2f6a52; --brass: #9a6f14; --brass-soft: #b98a2a;
  --oxblood: #7a2f2a;
  --shadow: 0 1px 0 rgba(27,36,31,.04), 0 10px 26px -20px rgba(27,36,31,.4);
  --shadow-lift: 0 2px 0 rgba(27,36,31,.05), 0 18px 40px -22px rgba(27,36,31,.5);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --btn-ink: #f6f7f2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141815; --card: #1b211c; --card-2: #202721;
    --ink: #e6e9e0; --ink-soft: #b1b9ac; --ink-faint: #808a7d;
    --rule: #2c332c; --rule-strong: #3b443a;
    --green: #6fb394; --green-bright: #86c9a9; --brass: #ce9e40; --brass-soft: #d9b05f;
    --oxblood: #d98077;
    --shadow: 0 1px 0 rgba(0,0,0,.2), 0 12px 30px -22px rgba(0,0,0,.85);
    --shadow-lift: 0 2px 0 rgba(0,0,0,.3), 0 22px 46px -24px rgba(0,0,0,.9);
    --btn-ink: #0f1310;
  }
}
:root[data-theme="light"] {
  --paper: #eef0ea; --card: #f6f7f2; --card-2: #fbfcf8; --ink: #1b241f; --ink-soft: #45514a;
  --ink-faint: #6d786f; --rule: #c9cec2; --rule-strong: #aab0a2; --green: #23503f;
  --green-bright: #2f6a52; --brass: #9a6f14; --brass-soft: #b98a2a; --oxblood: #7a2f2a;
  --shadow: 0 1px 0 rgba(27,36,31,.04), 0 10px 26px -20px rgba(27,36,31,.4);
  --shadow-lift: 0 2px 0 rgba(27,36,31,.05), 0 18px 40px -22px rgba(27,36,31,.5);
  --btn-ink: #f6f7f2;
}
:root[data-theme="dark"] {
  --paper: #141815; --card: #1b211c; --card-2: #202721; --ink: #e6e9e0; --ink-soft: #b1b9ac;
  --ink-faint: #808a7d; --rule: #2c332c; --rule-strong: #3b443a; --green: #6fb394;
  --green-bright: #86c9a9; --brass: #ce9e40; --brass-soft: #d9b05f; --oxblood: #d98077;
  --shadow: 0 1px 0 rgba(0,0,0,.2), 0 12px 30px -22px rgba(0,0,0,.85);
  --shadow-lift: 0 2px 0 rgba(0,0,0,.3), 0 22px 46px -24px rgba(0,0,0,.9);
  --btn-ink: #0f1310;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--serif);
  line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }
a { color: inherit; }
img { max-width: 100%; }

/* ---- masthead ---- */
header.shop { border-bottom: 2px solid var(--ink); }
.shop-inner { display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; padding: 30px 0 22px; flex-wrap: wrap; }
.brand .name { font-size: clamp(1.9rem, 4.5vw, 2.7rem); font-weight: 600; letter-spacing: -.01em;
  line-height: 1; display: flex; align-items: baseline; gap: .4rem; }
.brand .name .amp { color: var(--brass); }
.brand .tag { font-family: var(--sans); font-size: .78rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--green); font-weight: 600; margin-top: 10px; }
.brand .estd { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); margin-top: 4px; }
.shop-nav { font-family: var(--sans); font-size: .82rem; display: flex; gap: 20px; color: var(--ink-soft); }
.shop-nav a { text-decoration: none; padding-bottom: 2px; border-bottom: 1px solid transparent; }
.shop-nav a:hover { border-bottom-color: var(--brass); color: var(--ink); }

/* ---- intro ---- */
.intro { padding: 26px 0 8px; max-width: 62ch; }
.intro p { margin: 0; font-size: 1.08rem; color: var(--ink-soft); text-wrap: pretty; }
.intro .how { font-family: var(--sans); font-size: .82rem; color: var(--ink-faint); margin-top: 12px;
  display: inline-flex; align-items: center; gap: 8px; background: var(--card);
  border: 1px solid var(--rule); border-radius: 999px; padding: 6px 14px; }
.intro .how b { color: var(--green); font-weight: 700; }
.cond-key { margin-top: 14px; font-family: var(--sans); }
.cond-key summary { font-size: .82rem; color: var(--green-bright); cursor: pointer;
  display: inline-block; padding: 2px 0; border-bottom: 1px dotted var(--brass); width: fit-content; }
.cond-key summary:hover { color: var(--brass); }
.cond-key[open] summary { margin-bottom: 10px; }
.cond-key dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0;
  font-size: .84rem; max-width: 40ch; }
.cond-key dt { font-weight: 700; color: var(--brass); }
.cond-key dd { margin: 0; color: var(--ink-soft); }

/* ---- controls ---- */
.controls { position: sticky; top: 0; z-index: 5; background: var(--paper);
  padding: 18px 0 14px; border-bottom: 1px solid var(--rule); margin-top: 20px; }
.controls-inner { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.search { flex: 1 1 240px; position: relative; }
.search input { width: 100%; font-family: var(--serif); font-size: 1rem; color: var(--ink);
  background: var(--card-2); border: 1px solid var(--rule-strong); border-radius: 8px;
  padding: 11px 14px 11px 38px; }
.search input:focus { outline: 2px solid var(--green); outline-offset: 1px; border-color: var(--green); }
.search::before { content: "⌕"; position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  font-size: 1.15rem; color: var(--ink-faint); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-family: var(--sans); font-size: .8rem; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--rule-strong); background: transparent; color: var(--ink-soft);
  cursor: pointer; transition: all .12s ease; }
.chip:hover { border-color: var(--green); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--green); border-color: var(--green);
  color: var(--btn-ink); font-weight: 600; }
.count { font-family: var(--mono); font-size: .76rem; color: var(--ink-faint); margin-left: auto; white-space: nowrap; }

/* ---- grid ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px;
  padding: 30px 0 20px; }
.book { background: var(--card); border: 1px solid var(--rule); border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: transform .14s ease, box-shadow .14s ease; }
.book:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.book.sold { opacity: .82; }

/* CSS-drawn cover (fallback when a book has no photo) */
.cover { position: relative; aspect-ratio: 5 / 3.4; display: flex; align-items: stretch; padding: 16px;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,.05) 0 1px, transparent 1px 3px), var(--spine, #3a5a4a);
  border-bottom: 1px solid var(--rule); }
.cover .book3d { flex: 1; border-radius: 2px 5px 5px 2px;
  background: linear-gradient(90deg, rgba(0,0,0,.28) 0 6px, rgba(255,255,255,.06) 6px 8px, transparent 8px);
  box-shadow: inset 0 0 40px rgba(0,0,0,.25), 0 6px 14px -6px rgba(0,0,0,.5);
  padding: 16px 18px 16px 22px; display: flex; flex-direction: column; justify-content: space-between; color: #f3efe4; }
.cover .ct { font-size: .98rem; line-height: 1.2; font-weight: 600; letter-spacing: .01em; text-shadow: 0 1px 2px rgba(0,0,0,.4); }
.cover .rule { height: 1px; background: rgba(243,239,228,.4); margin: 8px 0; }
.cover .ca { font-family: var(--sans); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; opacity: .85; }
.cover .cy { font-family: var(--mono); font-size: .7rem; opacity: .8; align-self: flex-end; }

/* Real photo cover */
.cover.photo { padding: 0; background: var(--card-2); }
.cover.photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.sold-stamp { position: absolute; top: 14px; right: -6px; background: var(--oxblood); color: #fff;
  font-family: var(--sans); font-size: .68rem; font-weight: 700; letter-spacing: .12em; padding: 4px 12px;
  transform: rotate(3deg); box-shadow: 0 3px 8px -3px rgba(0,0,0,.5); z-index: 2; }

.book-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; gap: 8px; }
.book .subj { font-family: var(--sans); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brass); font-weight: 700; }
.book h3 { margin: 0; font-size: 1.12rem; line-height: 1.22; font-weight: 600; }
.book .auth { font-size: .92rem; color: var(--ink-soft); font-style: italic; margin: 0; }
.book .blurb { font-size: .86rem; color: var(--ink-soft); margin: 2px 0 0; line-height: 1.45; }
.book .meta { display: flex; align-items: center; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.cond { font-family: var(--sans); font-size: .72rem; font-weight: 600; padding: 3px 9px; border-radius: 5px;
  background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green);
  border: 1px solid color-mix(in srgb, var(--green) 30%, transparent); }
.yr { font-family: var(--mono); font-size: .74rem; color: var(--ink-faint); }
.book .foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto;
  padding-top: 14px; gap: 10px; }
.price { font-size: 1.3rem; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.price .cur { font-size: .85rem; color: var(--ink-faint); font-weight: 400; }
.btn { font-family: var(--sans); font-size: .82rem; font-weight: 600; text-decoration: none; padding: 9px 15px;
  border-radius: 8px; background: var(--green); color: var(--btn-ink); display: inline-flex; align-items: center;
  gap: 6px; white-space: nowrap; transition: background .12s ease; }
.btn:hover { background: var(--green-bright); }
.btn.disabled { background: transparent; color: var(--ink-faint); border: 1px solid var(--rule-strong); cursor: default; }
.btn .arr { font-size: .95em; }
.empty { text-align: center; padding: 60px 20px; color: var(--ink-faint); font-style: italic; }

/* ---- about + footer ---- */
.about { border-top: 2px solid var(--ink); margin-top: 34px; padding: 40px 0;
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; }
.about h2 { font-size: 1.4rem; margin: 0 0 10px; font-weight: 600; }
.about p { margin: 10px 0; color: var(--ink-soft); max-width: 54ch; font-size: .98rem; }
.about .side { font-family: var(--sans); font-size: .86rem; }
.about .side h4 { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--green); margin: 0 0 10px; }
.about .side .item { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--rule); color: var(--ink-soft); }
.about .side .item b { color: var(--ink); font-weight: 600; min-width: 78px; }
.about .side .item a { color: var(--green-bright); text-decoration: none; border-bottom: 1px solid transparent; }
.about .side .item a:hover { border-bottom-color: var(--brass); }
footer.foot { border-top: 1px solid var(--rule); padding: 22px 0 60px; font-family: var(--sans); font-size: .78rem;
  color: var(--ink-faint); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

@media (max-width: 680px) { .about { grid-template-columns: 1fr; gap: 24px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ===================================================================
   DARK REDESIGN (2026-07) — forces the fine-press dark palette,
   an all-white wordmark, a gilt vara crest, and a gold rule + red
   California star. Appended so it overrides the base theme cleanly.
   =================================================================== */
:root {
  --paper: #15120e; --card: #221d16; --card-2: #1c1813;
  --ink: #ece3d0; --ink-soft: #b8ac93; --ink-faint: #8a8069;
  --rule: #332c22; --rule-strong: #473d2d;
  --green: #d0a23c; --green-bright: #e2b657; --brass: #d0a23c; --brass-soft: #c8983a;
  --oxblood: #c62822; --rust: #c62822; --gilt: #d0a23c; --wood: #9a6a44;
  --shadow: 0 1px 0 rgba(0,0,0,.2), 0 12px 30px -22px rgba(0,0,0,.85);
  --shadow-lift: 0 2px 0 rgba(0,0,0,.3), 0 22px 46px -24px rgba(0,0,0,.9);
  --btn-ink: #15120e;
}
header.shop { border-bottom: none; }
.shop-inner { align-items: center; padding: 24px 0 14px; }
.brand { display: flex; align-items: center; gap: 16px; }
.brand .crest { width: 80px; height: 80px; flex: none; color: var(--gilt); }
.brand-text { display: flex; flex-direction: column; gap: 5px; }
.brand .name { font-size: clamp(1.5rem, 3.6vw, 2rem); letter-spacing: .2em; text-transform: uppercase; color: var(--ink); gap: 0; }
.brand .name .amp { color: inherit; }
.brand .tag { font-family: var(--sans); font-size: .6rem; letter-spacing: .28em; text-transform: uppercase; color: var(--gilt); font-weight: 700; margin-top: 0; }
.shop-nav a:hover { border-bottom-color: var(--gilt); color: var(--ink); }
.divider { display: flex; align-items: center; gap: 16px; padding: 2px 0 0; }
.divider .ln { flex: 1; height: 1.5px; background: var(--gilt); opacity: .85; }
.divider .star { width: 22px; height: 22px; flex: none; color: var(--rust); }
.chip[aria-pressed="true"] { background: var(--rust); border-color: var(--rust); color: #fff; }
@media (max-width: 520px) { .brand .crest { width: 60px; height: 60px; } }