:root {
  --bg: #f7f4ec; --card: #ffffff; --fg: #1f2933; --muted: #62707d; --rule: #ddd6c6; --accent: #1f7a68; --accent-fg: #ffffff;
  --warn: #b45309; --bad: #b3261e; --good: #1f7a45; --hi: #fff3c4; --shadow: 0 1px 2px rgba(0,0,0,.08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12171c; --card: #1a2128; --fg: #e8e4da; --muted: #9aa6b0; --rule: #2d363e; --accent: #4fbfa5; --accent-fg: #0b1512;
    --warn: #f0a04b; --bad: #f2827b; --good: #6cd194; --hi: #4a3f12; --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
h1 { font-size: 1.5rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.hidden { display: none !important; }

.bar { display: flex; align-items: center; gap: .25rem 1rem; flex-wrap: wrap; padding: .6rem 1rem; background: var(--card); border-bottom: 1px solid var(--rule); position: sticky; top: 0; z-index: 3; }
.bar .brand { font-weight: 700; margin-inline-end: .5rem; }
.bar nav { display: flex; gap: .25rem; flex-wrap: wrap; flex: 1; }
.bar nav a { text-decoration: none; color: var(--fg); padding: .35rem .7rem; border-radius: 999px; }
.bar nav a.on { background: var(--accent); color: var(--accent-fg); }
.bar .who { color: var(--muted); font-size: .9rem; }
main { max-width: 1100px; margin: 0 auto; padding: 1rem 1rem 4rem; }
.foot { text-align: center; color: var(--muted); font-size: .8rem; padding: 2rem 1rem; }

.btn { border: 1px solid var(--rule); background: var(--card); border-radius: 8px; padding: .4rem .8rem; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn.danger { color: var(--bad); }
.btn.sel { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn[disabled] { opacity: .5; cursor: default; }
input[type=text], input[type=search], select, textarea { width: 100%; background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: .45rem .6rem; }
textarea { min-height: 5rem; resize: vertical; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.row > * { flex: 0 0 auto; }
.row > .grow { flex: 1 1 14rem; }
.err { color: var(--bad); margin: .5rem 0; }

.login { max-width: 22rem; margin: 12vh auto; padding: 1.5rem; background: var(--card); border: 1px solid var(--rule); border-radius: 14px; box-shadow: var(--shadow); }
.login input { font-size: 1.6rem; letter-spacing: .25em; text-align: center; margin: 1rem 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; margin-top: 1rem; }
.card { display: block; text-decoration: none; color: inherit; background: var(--card); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.card:hover { border-color: var(--accent); }
.card img { display: block; width: 100%; aspect-ratio: 5 / 8; object-fit: cover; background: var(--rule); }
.card .meta { padding: .5rem .6rem .7rem; }
.card .t { font-weight: 600; line-height: 1.25; }
.card .by { color: var(--muted); font-size: .85rem; margin-top: .15rem; }
.badges { display: flex; gap: .3rem; flex-wrap: wrap; margin-top: .4rem; }
.badge { font-size: .72rem; padding: .05rem .45rem; border-radius: 999px; border: 1px solid var(--rule); color: var(--muted); white-space: nowrap; }
.badge.draft { color: var(--warn); border-color: var(--warn); }
.badge.ok { color: var(--good); border-color: var(--good); }
.badge.open { color: var(--accent-fg); background: var(--accent); border-color: var(--accent); }

.thread { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: .7rem .9rem; margin: .6rem 0; }
.thread.resolved { opacity: .75; }
.thread .head { display: flex; gap: .5rem; flex-wrap: wrap; align-items: baseline; font-size: .85rem; color: var(--muted); }
.thread .quote { margin: .4rem 0; padding: .25rem .6rem; border-inline-start: 3px solid var(--accent); background: var(--hi); border-radius: 4px; font-size: .95rem; }
.thread .body { white-space: pre-wrap; overflow-wrap: anywhere; margin: .3rem 0; }
.thread .reply { margin: .4rem 0 0 .8rem; padding-inline-start: .7rem; border-inline-start: 2px solid var(--rule); }
.thread .actions { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .4rem; }
.kind { font-weight: 600; }
.kind.fix { color: var(--warn); } .kind.question { color: #2563eb; } .kind.praise { color: var(--good); }

table.pages { width: 100%; border-collapse: collapse; }
table.pages td, table.pages th { border-bottom: 1px solid var(--rule); padding: .55rem .4rem; text-align: start; vertical-align: top; }
.votes { display: flex; gap: .3rem; flex-wrap: wrap; margin-top: .25rem; }

.dcard { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: .8rem 1rem; margin: .7rem 0; }
.dcard h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.dcard .opt { display: block; padding: .4rem .5rem; border: 1px solid var(--rule); border-radius: 8px; margin: .3rem 0; cursor: pointer; }
.dcard .opt.rec { border-color: var(--accent); }
.dcard .opt input { margin-inline-end: .5rem; }
.dcard .decided { border-inline-start: 3px solid var(--good); padding-inline-start: .6rem; margin-top: .4rem; }

/* reader */
body.reading .bar, body.reading .foot { display: none; }
.reader { position: fixed; inset: 0; z-index: 4; display: flex; flex-direction: column; background: var(--bg); }
.reader .rbar { display: flex; align-items: center; gap: .4rem; padding: .4rem .6rem; background: var(--card); border-bottom: 1px solid var(--rule); }
.reader .rbar .ttl { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.reader .main { position: relative; flex: 1; display: flex; min-height: 0; }
.reader .view { flex: 1; min-width: 0; position: relative; }
.reader foliate-view { display: block; width: 100%; height: 100%; }
.reader .rfoot { display: flex; align-items: center; gap: .6rem; padding: .35rem .8rem; background: var(--card); border-top: 1px solid var(--rule); }
.reader .rfoot input[type=range] { flex: 1; }
.reader .panel { width: 380px; max-width: 100%; border-inline-start: 1px solid var(--rule); background: var(--bg); overflow-y: auto; padding: .6rem; }
@media (max-width: 800px) {
  .reader .panel { position: absolute; inset-inline: 0; bottom: 0; width: auto; height: 62%; border-top: 1px solid var(--rule); border-inline-start: 0; z-index: 2; box-shadow: 0 -4px 12px rgba(0,0,0,.2); }
}
.selbar { position: absolute; left: 50%; bottom: .8rem; transform: translateX(-50%); z-index: 3; background: var(--fg); color: var(--bg); border-radius: 999px; padding: .35rem .5rem .35rem 1rem; display: flex; gap: .6rem; align-items: center; max-width: 92%; box-shadow: 0 2px 10px rgba(0,0,0,.3); }
.selbar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 50vw; }
.selbar .btn { border-radius: 999px; }
.modal { position: fixed; inset: 0; z-index: 10; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal .box { background: var(--card); border-radius: 12px; padding: 1rem; width: min(32rem, 100%); max-height: 90vh; overflow: auto; }
.modal .box h3 { margin: 0 0 .5rem; }
.lost { color: var(--warn); font-size: .8rem; }
.toast { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: .5rem 1rem; border-radius: 8px; z-index: 20; }
.code-box { font: 700 1.8rem/1 ui-monospace, monospace; letter-spacing: .2em; padding: .6rem 1rem; background: var(--hi); border-radius: 8px; display: inline-block; user-select: all; }
.row select, .row input[type=search] { width: auto; }
.row > .grow input { width: 100%; }