:root {
  --bg: #f5f3ee; --fg: #1c1c1e; --muted: #6b6a66; --line: #dcd8cf; --card: #fff;
  --accent: #4e2a6b; --ok: #1f7a3a; --err: #a12b2b;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151517; --fg: #ecebe7; --muted: #9a9892; --line: #2c2c30; --card: #1d1d21; --accent: #b98be0; --ok: #5fc27e; --err: #e07070; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.logo { font-weight: 700; font-size: 20px; color: var(--accent); text-decoration: none; }
main { max-width: 860px; margin: 0 auto; padding: 16px; }
main.center { max-width: 420px; padding-top: 15vh; }
a { color: var(--accent); }
h1 { font-size: 22px; margin: 8px 0; }
h2 { font-size: 17px; margin: 24px 0 8px; }
.id { color: var(--muted); font-weight: 400; }
.meta { color: var(--muted); font-size: 14px; }
.note { border-left: 3px solid var(--accent); padding-left: 10px; }
button { font: inherit; padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); cursor: pointer; }
button.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
button.link { border: 0; background: none; color: var(--muted); padding: 0; }
.bar, .actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 16px 0 8px; }
.tabs a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); }
.tabs a.on { background: var(--card); color: var(--fg); border: 1px solid var(--line); }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.list li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.list li > a { text-decoration: none; color: var(--fg); font-weight: 600; }
.list li.s-review { border-left: 4px solid var(--accent); }
.list li.s-idea { border-left: 4px solid var(--ok); }
.list li.empty { color: var(--muted); }
.err { color: var(--err); }
li.err { color: var(--fg); border-color: var(--err); }
pre { white-space: pre-wrap; word-break: break-word; font-size: 13px; margin: 6px 0; }
.out { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 12px 0; }
.out h2 { margin-top: 0; }
.media { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.media img, .media video { width: 100%; border-radius: 8px; border: 1px solid var(--line); }
textarea { width: 100%; font: 14px/1.4 ui-monospace, monospace; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); margin: 8px 0; }
.caption { background: var(--bg); padding: 8px; border-radius: 8px; }
.events { list-style: none; padding: 0; }
.events li { padding: 4px 0; border-bottom: 1px solid var(--line); }
header nav { display: flex; align-items: center; gap: 14px; }
header nav a { text-decoration: none; }
h3 { font-size: 15px; margin: 16px 0 6px; color: var(--muted); }
form.secret { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
form.secret input, form.secret select, .link-field { font: inherit; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); }
form.secret input[type=password] { flex: 1; min-width: 180px; }
.link-field { width: 100%; font-family: ui-monospace, monospace; font-size: 13px; }
code { font-size: 14px; }
form.stack { display: grid; gap: 8px; margin: 8px 0; }
form.stack input { font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); }
.qr { background: #fff; padding: 8px; border-radius: 8px; image-rendering: pixelated; }
.field { display: grid; gap: .25rem; }
.field label.inherit { font-size: .85rem; color: var(--muted); }
form.stack label { display: grid; gap: .25rem; }
input[type=color] { width: 4rem; height: 2.2rem; padding: 0; }
fieldset.channel { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: .4rem; border: 1px solid var(--line); border-radius: .5rem; padding: .6rem; margin: 0 0 .6rem; }
details summary { cursor: pointer; }
form.acc { border-top: 1px solid var(--line); padding-top: .6rem; }
.ind { display: flex; align-items: center; gap: .4rem; }
.ind .dot { width: .7rem; height: .7rem; border-radius: 50%; background: var(--err); flex: none; }
.ind.ok .dot { background: var(--ok); }
.ind.warn .dot { background: #c9a227; }