/* Coffey Labs Swag: the coffeylabs.org drawing set, on every page and
   every shelf. Loaded after styles.css.
   Fonts (SIL Open Font License, static/fonts/OFL-*.txt): Barlow, Barlow
   Condensed and IBM Plex Mono. */
@font-face { font-family: "Barlow"; src: url("/fonts/barlow-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("/fonts/barlow-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("/fonts/barlow-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("/fonts/barlow-latin-600-normal.woff2") format("woff2"); font-weight: 600 700; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("/fonts/barlow-condensed-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("/fonts/barlow-condensed-latin-700-normal.woff2") format("woff2"); font-weight: 700 800; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500 700; font-display: swap; }

/* ---- The frame: whiteprint, and blueprint in dark mode -------------------- */
:root {
  --bg: #F2F0E9; --surface: #FBFAF5; --text: #11305E; --muted: #3F5576; --faint: #5A6A84;
  --line: rgba(17, 48, 94, .22); --rule: rgba(17, 48, 94, .7);
  --accent: #1A5FB4; --accent-text: #FFFFFF; --accent-soft: rgba(26, 95, 180, .09);
  --band: #0E3D78; --band-text: #EEF4FF; --red: #C0322A;
  --grid-a: rgba(26, 95, 180, .055); --grid-b: rgba(26, 95, 180, .11);
  --photo: #E7E5DC;
  --radius: 3px;
  --font: "Barlow", system-ui, sans-serif;
  --cond: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --head: var(--cond);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B2A52; --surface: #0F3361; --text: #EAF2FF; --muted: #B6CBE8; --faint: #93AED3;
    --line: rgba(234, 242, 255, .22); --rule: rgba(234, 242, 255, .72);
    --accent: #9AD0FF; --accent-text: #0B2A52; --accent-soft: rgba(154, 208, 255, .12);
    --band: #F2F0E9; --band-text: #11305E; --red: #FF8274;
    --grid-a: rgba(150, 200, 255, .07); --grid-b: rgba(150, 200, 255, .14);
    --photo: #D9E3F0;
  }
}
:root[data-theme="dark"] {
  --bg: #0B2A52; --surface: #0F3361; --text: #EAF2FF; --muted: #B6CBE8; --faint: #93AED3;
  --line: rgba(234, 242, 255, .22); --rule: rgba(234, 242, 255, .72);
  --accent: #9AD0FF; --accent-text: #0B2A52; --accent-soft: rgba(154, 208, 255, .12);
  --band: #F2F0E9; --band-text: #11305E; --red: #FF8274;
  --grid-a: rgba(150, 200, 255, .07); --grid-b: rgba(150, 200, 255, .14);
  --photo: #D9E3F0;
}

/* Graph paper: a fine grid and a coarse one. */
body {
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-b) 1px, transparent 1px), linear-gradient(90deg, var(--grid-b) 1px, transparent 1px),
    linear-gradient(var(--grid-a) 1px, transparent 1px), linear-gradient(90deg, var(--grid-a) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  font-size: 17px;
}
.wrap { width: min(1180px, 100% - 32px); }
h1, h2, h3 { font-family: var(--head); font-weight: 700; letter-spacing: .005em; }
.eyebrow, .sheet-no { font: 500 .74rem/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); }
.lede { color: var(--muted); }

/* Buttons are drawn, not pillowed. */
.btn { border-radius: var(--radius); border: 1.5px solid var(--rule); background: transparent; color: var(--text); font: 600 1rem/1.2 var(--font); padding: 11px 20px; }
.btn.primary { background: var(--text); border-color: var(--text); color: var(--bg); }
.btn:hover { filter: none; box-shadow: 3px 3px 0 var(--accent-soft), 3px 3px 0 1.5px var(--rule); }

/* ---- Header: a title block over a rail of sheets ---------------------------- */
.top { background: var(--bg); border-bottom: 1.5px solid var(--rule); box-shadow: 0 3px 0 -1.5px var(--bg), 0 4px 0 -1.5px var(--line); }
.top-in { min-height: 62px; gap: 14px; }
.brand { gap: 10px; }
.brand-mark { width: 36px; height: 36px; display: block; }
.brand-name { font: 700 1.35rem/1 var(--cond); letter-spacing: .01em; color: var(--text); }
.brand-name span { font-weight: 600; color: var(--muted); border-left: 1.5px solid var(--rule); padding-left: 8px; margin-left: 2px; }
#site-nav a { border-radius: var(--radius); font-weight: 500; color: var(--muted); }
#site-nav a[aria-current="page"], #site-nav a.active { background: none; color: var(--text); box-shadow: inset 0 -2px 0 var(--text); }
/* The print switch, as on coffeylabs.org: half whiteprint, half blueprint. */
.print { display: flex; align-items: center; gap: 8px; border: 1.5px solid var(--rule); border-radius: var(--radius); background: none; color: var(--text); padding: 5px 10px; cursor: pointer; }
.print i { width: 20px; height: 20px; border: 1.5px solid var(--text); border-radius: 50%; background: linear-gradient(90deg, #F2F0E9 50%, #0B2A52 50%); transition: transform .5s cubic-bezier(.5, -0.4, .3, 1.4); }
:root[data-theme="dark"] .print i { transform: rotate(180deg); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .print i { transform: rotate(180deg); } }
@media (prefers-reduced-motion: reduce) { .print i { transition: none; } }
.print span { font: 500 .66rem var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.print:hover { background: var(--accent-soft); }
@media (max-width: 560px) { .print span { display: none; } }
.cart-link { font-weight: 600; color: var(--text); border: 1.5px solid var(--rule); border-radius: var(--radius); padding: 6px 10px; }
.cart-link [data-cart-count] { background: var(--red); color: #fff; border-radius: 2px; }

.rail { border-top: 1px solid var(--line); }
.rail-in { list-style: none; display: flex; gap: 0; margin-block: 0; padding: 0; overflow-x: auto; scrollbar-width: none; }
.rail-in li { flex: 0 0 auto; }
.rail a { display: flex; align-items: baseline; gap: 7px; padding: 8px 14px 9px; color: var(--muted); text-decoration: none; font-weight: 500; border-right: 1px solid var(--line); white-space: nowrap; }
.rail li:first-child a { border-left: 1px solid var(--line); }
.rail a small { font: 500 .68rem var(--font-mono); letter-spacing: .08em; color: var(--faint); }
.rail a::before { content: ""; width: 7px; height: 7px; align-self: center; border: 1.5px solid var(--text); border-radius: 1px; }
.rail a:hover, .rail a[aria-current] { color: var(--text); background: var(--accent-soft); }
.rail a[aria-current] { box-shadow: inset 0 -3px 0 var(--text); }
.rail a[aria-current]::before { background: var(--text); }

/* ---- Hero: sheet S-00 ------------------------------------------------------ */
.hero { position: relative; border-bottom: 1.5px solid var(--rule); }
.hero h1 { font-size: clamp(3rem, 10vw, 6.5rem); line-height: .92; text-transform: uppercase; max-width: 12ch; letter-spacing: -.005em; }
.hero h1::after { /* a dimension line under the title */
  content: ""; display: block; height: 10px; margin-top: 18px; max-width: 420px;
  border-left: 1.5px solid var(--red); border-right: 1.5px solid var(--red);
  background: linear-gradient(var(--red), var(--red)) center / 100% 1.5px no-repeat;
}
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---- Products everywhere --------------------------------------------------- */
:is(.shop-grid, .product-photos) :is(.shop-photo, .product-photo, .product-photo-main) { background: var(--photo); }
.shop-card a { gap: 8px; }
.shop-card strong { font-weight: 600; }
.shop-price { font-family: var(--font-mono); font-size: .9rem; }
.product-price { font-family: var(--font-mono); font-weight: 500; }
.variant span { border-radius: var(--radius); font-family: var(--font-mono); }
.shelf-summary { color: var(--muted); max-width: 60ch; }

/* ---- A shelf on the home page ---------------------------------------------- */
.shelf-block { position: relative; border-bottom: 1.5px solid var(--rule); }
.shelf-head { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 16px; align-items: center; margin-bottom: 22px; }
.shelf-mark { width: 44px; height: 44px; display: block; }
.shelf-head:not(:has(.shelf-mark)) { grid-template-columns: minmax(0, 1fr) auto; }
.shelf-title h2 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.6rem); }
.shelf-title .sheet-no { margin: 0 0 2px; }
.shelf-head .shelf-summary { margin: 4px 0 0; }
.shelf-head .more { white-space: nowrap; }
@media (max-width: 640px) {
  .shelf-head { grid-template-columns: auto minmax(0, 1fr); }
  .shelf-head .more { grid-column: 1 / -1; }
}

/* ---- The sheet index (/tags/) ---------------------------------------------- */
.shelf-index { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.shelf-index a { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 4px 14px; padding: 18px; height: 100%; text-decoration: none; color: var(--text); background: var(--bg); border: 1.5px solid var(--line); border-radius: var(--radius); }
.shelf-index a > :not(img, .shelf-glyph) { grid-column: 2; }
.shelf-index img, .shelf-glyph { grid-row: 1 / span 4; width: 48px; height: 48px; }
.shelf-glyph { display: grid; place-items: center; font: 700 .9rem var(--font-mono); color: var(--accent); border: 1.5px solid var(--accent); border-radius: 4px; }
.shelf-index strong { font: 700 1.5rem/1.1 var(--head); }
.shelf-index .shelf-summary { font-size: .95rem; }
.shelf-index .shelf-count { font: .78rem var(--font-mono); color: var(--muted); }
.shelf-index a:hover { border-color: var(--accent); }

/* ---- Footer ---------------------------------------------------------------- */
.foot { border-top: 1.5px solid var(--rule); background: var(--bg); }
.foot .foot-note { font: .74rem/1.5 var(--font-mono); color: var(--faint); padding: 0 0 22px; margin: 0 auto; }

/* A zone strip down the side of every shelf, as on the drawing set. */
.shelf-block::before {
  content: "A\A\A B\A\A C\A\A D"; white-space: pre; position: absolute; left: 6px; top: 40px;
  font: 500 .66rem/1.2 var(--font-mono); color: var(--faint); letter-spacing: .1em;
}
@media (max-width: 1240px) { .shelf-block::before { display: none; } }