:root {
  --bg: #f6f1e7; --paper: #fffdf8; --ink: #2a2420; --muted: #7a6f66;
  --line: #e4dbcc; --accent: #b3452b; --accent-ink: #fff; --soft: #efe6d6;
  --danger: #a33; --radius: 10px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1b1815; --paper: #241f1b; --ink: #f1eae0; --muted: #a2968a;
          --line: #3a332d; --accent: #e0664a; --soft: #2f2823; --danger: #e77; }
}
* { box-sizing: border-box; }
html { font: 16px/1.5 ui-serif, Georgia, "Iowan Old Style", serif; background: var(--bg); color: var(--ink); }
body { margin: 0; min-height: 100dvh; }
a { color: var(--accent); }
h1, h2 { font-weight: 600; letter-spacing: -0.01em; line-height: 1.15; }
h1 { font-size: 1.9rem; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; color: var(--muted); }
.muted { color: var(--muted); } .tiny { font-size: .8rem; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; color: var(--accent); }

.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .9rem clamp(1rem, 4vw, 2.5rem); border-bottom: 1px solid var(--line); background: var(--paper); font-family: ui-sans-serif, system-ui, sans-serif; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); letter-spacing: .02em; }
.appname { text-decoration: none; color: var(--ink); }
.sep { color: var(--muted); margin: 0 .4rem; }
.top nav { display: flex; gap: 1rem; align-items: center; font-size: .9rem; }
.top nav a { color: var(--ink); text-decoration: none; } .top nav a:hover { color: var(--accent); }
.who { color: var(--muted); }

main { max-width: 64rem; margin: 0 auto; padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 4rem; }
section { margin-bottom: 2.5rem; }
.flash { background: var(--soft); border: 1px solid var(--line); padding: .7rem 1rem; border-radius: var(--radius); margin-bottom: 1.5rem; }
.error { color: var(--danger); }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.narrow { max-width: 26rem; margin: 2rem auto; }
label { display: block; margin-bottom: .9rem; font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=search] {
  display: block; width: 100%; margin-top: .3rem; padding: .6rem .7rem; font: inherit; font-size: 1rem;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink);
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button { font: inherit; font-family: ui-sans-serif, system-ui, sans-serif; font-size: .95rem; padding: .55rem 1rem; border-radius: 8px;
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; }
button:hover { filter: brightness(1.08); } button:disabled { opacity: .45; cursor: not-allowed; }
button.secondary { background: transparent; color: var(--accent); }
button.small { padding: .3rem .7rem; font-size: .85rem; }
button.big { font-size: 1.15rem; padding: .8rem 1.4rem; }
button.linkish { background: none; border: none; color: var(--accent); padding: 0; text-decoration: underline; font-size: inherit; font-family: inherit; }
button.danger { color: var(--danger); }
form.inline { display: inline; }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1rem; }

.cover { width: 60px; height: 90px; object-fit: cover; border-radius: 4px; box-shadow: 0 1px 3px rgba(0,0,0,.25); flex: none; background: var(--soft); }
.cover.big { width: 140px; height: 210px; border-radius: 6px; box-shadow: 0 6px 20px rgba(0,0,0,.3); }
.placeholder { background: repeating-linear-gradient(135deg, var(--soft), var(--soft) 6px, var(--line) 6px, var(--line) 7px); }

.hero { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; }
.row { display: flex; gap: 1.25rem; align-items: flex-start; }
.hero.empty { text-align: center; padding: 2.5rem 1.5rem; }
.hero.empty h1 { margin-bottom: 1.2rem; }
.byline { margin: .2rem 0; font-size: 1.05rem; }
.reveal .hero { animation: pop .5s cubic-bezier(.2,.9,.3,1.3); }
@keyframes pop { from { transform: scale(.94); opacity: 0; } to { transform: none; opacity: 1; } }

.searchbox { position: relative; }
.indicator { position: absolute; right: .8rem; top: .7rem; font-size: .8rem; color: var(--muted); opacity: 0; transition: opacity .15s; }
.indicator.htmx-request { opacity: 1; }
.results, .grid, .history, .tiles, .members { list-style: none; padding: 0; margin: 0; }
.results { margin-top: 1rem; }
.hit, .book, .history .row { display: flex; gap: .9rem; align-items: center; padding: .7rem 0; border-top: 1px solid var(--line); }
.meta { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.meta strong a { color: inherit; text-decoration: none; } .meta strong a:hover { text-decoration: underline; }
.badge { font-family: ui-sans-serif, system-ui, sans-serif; font-size: .75rem; padding: .25rem .6rem; border-radius: 999px; background: var(--soft); color: var(--muted); white-space: nowrap; }
.count { display: inline-block; min-width: 1.6em; text-align: center; padding: 0 .3em; border-radius: 999px; background: var(--soft); color: var(--muted); font-size: .75rem; margin-left: .3rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); gap: 0 2rem; }
.book { align-items: flex-start; }
.book form { margin-left: auto; }
.history li { align-items: center; } .history { counter-reset: n; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); gap: 1rem; }
.tile { display: flex; flex-direction: column; gap: .3rem; padding: 1.2rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); }
.tile:hover { border-color: var(--accent); }
.tile strong { font-size: 1.15rem; } .tile span { color: var(--muted); font-size: .9rem; }
.members li { padding: .4rem 0; border-top: 1px solid var(--line); }

@media (max-width: 600px) {
  .top { flex-direction: column; align-items: flex-start; }
  .hero .row { flex-direction: column; align-items: center; text-align: center; }
  .cover.big { width: 120px; height: 180px; }
}

/* rotations */
.rotations { list-style: none; padding: 0; margin: 0; }
.rotation { border-top: 1px solid var(--line); padding: .8rem 0; }
.rotation .meta strong a { color: inherit; text-decoration: none; }
.badge.open { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }
.badge.reading { background: color-mix(in srgb, #2b7a4b 18%, transparent); color: #2b7a4b; }
@media (prefers-color-scheme: dark) { .badge.reading { color: #7fd39e; } }
.rot-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.rot-head .eyebrow a { color: inherit; text-decoration: none; }
.pick-title { font-size: 1.7rem; text-transform: none; letter-spacing: -0.01em; color: var(--ink); margin: .2rem 0; }
.pick-title a { color: inherit; text-decoration: none; }
.book.picked { background: var(--soft); border-radius: var(--radius); padding: .7rem; margin: 0 -.7rem; border-top-color: transparent; }
select { font: inherit; padding: .5rem; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); margin-top: .3rem; display: block; }
.fields { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-end; }
.fields label { flex: 1 1 14rem; margin-bottom: .5rem; }
.invite { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.invite h2 { margin-bottom: .5rem; }
.members .row { align-items: center; }
.members form { margin-left: .5rem; }

/* double confirmation: <details> then a native confirm() */
details.confirm summary { list-style: none; display: inline-block; }
details.confirm summary::-webkit-details-marker { display: none; }
summary.button { font-family: ui-sans-serif, system-ui, sans-serif; padding: .8rem 1.4rem; font-size: 1.15rem; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; }
details.confirm[open] summary.button { background: transparent; color: var(--accent); }
details.confirm p { max-width: 30rem; margin: 1rem auto .6rem; }
details.menu { position: relative; font-family: ui-sans-serif, system-ui, sans-serif; font-size: .9rem; flex: none; }
details.menu summary { cursor: pointer; color: var(--muted); list-style: none; }
details.menu summary::-webkit-details-marker { display: none; }
details.menu[open] > :not(summary) { margin-top: .6rem; }
details.menu form { margin-bottom: .6rem; }

/* quotes */
textarea { display: block; width: 100%; margin-top: .3rem; padding: .6rem .7rem; font: inherit; font-size: 1rem; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); resize: vertical; }
.random { text-align: center; padding: 2rem 1.5rem; margin-bottom: 2rem; }
blockquote { margin: 0; font-style: italic; }
blockquote.big { font-size: 1.5rem; line-height: 1.3; max-width: 40rem; margin: 0 auto .8rem; }
blockquote::before { content: "“"; color: var(--accent); } blockquote::after { content: "”"; color: var(--accent); }
.attrib { margin: .3rem 0 .6rem; font-family: ui-sans-serif, system-ui, sans-serif; font-size: .9rem; }
.attrib a { color: inherit; font-weight: 600; text-decoration: none; } .attrib a:hover { text-decoration: underline; }
.quotes { list-style: none; padding: 0; margin: 0; }
.quote { border-top: 1px solid var(--line); padding: 1rem 0; }
.quote blockquote { font-size: 1.15rem; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 1.5rem; font-family: ui-sans-serif, system-ui, sans-serif; font-size: .85rem; }
.chip { padding: .25rem .7rem; border-radius: 999px; border: 1px solid var(--line); color: var(--ink); text-decoration: none; background: var(--paper); }
.chip.on { border-color: var(--accent); color: var(--accent); }
button.tiny { font-size: .8rem; }

/* where */
.places { list-style: none; padding: 0; margin: 0; }
.place { display: flex; gap: 1rem; align-items: flex-start; border-top: 1px solid var(--line); padding: .8rem 0; }
.place .meta strong { font-size: 1.05rem; }
.place details.menu { margin-left: auto; min-width: 0; }
.place details.menu[open] { flex: 1 1 100%; margin-left: 0; margin-top: .5rem; }