:root {
  --bg: #ffffff; --ink: #141414; --muted: #767676; --faint: #a3a3a3; --line: #e8e8e8; --wash: #f5f5f5;
  --accent: #1a56c4;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121212; --ink: #ececec; --muted: #9a9a9a; --faint: #6a6a6a; --line: #262626; --wash: #1c1c1c; --accent: #7aa7ff; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a.link, .text a { color: var(--accent); }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; font-weight: 600; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 13px; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin: 36px 0 8px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

button, .btn { font: inherit; font-size: 14px; color: var(--ink); background: none; border: 1px solid var(--line); border-radius: 6px; padding: 5px 12px; cursor: pointer; line-height: 1.4; }
button:hover, .btn:hover { border-color: var(--muted); text-decoration: none; }
button.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
button.primary:hover { opacity: .85; }
button.quiet, .btn.quiet { border: none; padding: 2px 4px; color: var(--muted); }
button.quiet:hover { color: var(--ink); text-decoration: underline; }
button.quiet.danger:hover { color: #c0392b; }
button:disabled { opacity: .4; cursor: default; }
input, textarea, select { font: inherit; color: var(--ink); background: none; border: none; border-bottom: 1px solid var(--line); border-radius: 0; padding: 6px 0; width: 100%; outline: none; }
input:focus, textarea:focus, select:focus { border-bottom-color: var(--ink); }
input::placeholder, textarea::placeholder { color: var(--faint); }
textarea { resize: none; min-height: 54px; line-height: 1.5; }
select { cursor: pointer; }
label { display: block; font-size: 12px; color: var(--muted); margin-top: 12px; }

.top { max-width: 640px; margin: 0 auto; padding: 22px 20px 6px; display: flex; align-items: baseline; gap: 20px; }
.top .brand { font-weight: 600; letter-spacing: -.01em; }
.top .spacer { flex: 1; }
.top nav { display: flex; gap: 18px; font-size: 15px; }
.top nav a { color: var(--muted); position: relative; }
.top nav a.active { color: var(--ink); }
.top nav a:hover { text-decoration: none; color: var(--ink); }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); vertical-align: super; margin-left: 2px; }

.view { max-width: 640px; margin: 0 auto; padding: 8px 20px 96px; }
.empty { color: var(--faint); padding: 40px 0; }
.hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }
.stack > * + * { margin-top: 8px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.tight { gap: 8px; }
.row .grow { flex: 1; min-width: 0; }
.actions { display: flex; gap: 14px; font-size: 13px; color: var(--muted); margin-top: 8px; }
.actions button, .actions a { font-size: 13px; }
.notice { padding: 12px 14px; background: var(--wash); border-radius: 8px; font-size: 14px; margin: 8px 0 20px; }

.post { padding: 18px 0; border-bottom: 1px solid var(--line); }
.post .byline { display: flex; align-items: baseline; gap: 6px; font-size: 14px; flex-wrap: wrap; }
.post .byline .name { font-weight: 600; color: var(--ink); }
.post .byline .handle, .post .byline .time { color: var(--muted); }
.post .byline .time { margin-left: auto; }
.post .byline .time:hover { text-decoration: underline; }
.post .title { font-weight: 600; margin: 6px 0 0; }
.post .text { white-space: pre-wrap; word-break: break-word; margin-top: 4px; }
.post .facets { color: var(--muted); font-size: 14px; margin-top: 6px; }
.post .facets b { color: var(--ink); font-weight: 600; }
.post .tags { font-size: 13px; color: var(--muted); margin-top: 4px; display: flex; gap: 10px; flex-wrap: wrap; }
.post .tags a:hover { color: var(--ink); }
.post .media { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
.post .media img, .post .media video { max-width: 100%; max-height: 420px; border-radius: 6px; }
.post .media audio { width: 100%; }
.post.pending { background: var(--wash); margin: 0 -20px; padding: 18px 20px; border-bottom: none; border-radius: 8px; }
.agentmark { color: var(--muted); font-size: 12px; border: 1px solid var(--line); border-radius: 4px; padding: 0 5px; line-height: 1.5; }
.state { font-size: 12px; color: var(--muted); }

.compose { padding: 12px 0 16px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.compose textarea { border: none; padding: 4px 0; font-size: 17px; }
.compose .bar { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--muted); margin-top: 6px; flex-wrap: wrap; }
.compose .detected { font-size: 14px; color: var(--ink); margin-top: 4px; }
.compose .detected .muted { margin-right: 4px; }
.compose .detected button { padding: 0; margin-left: 12px; font-size: 13px; color: var(--muted); }
.compose .detected button:hover { color: var(--ink); }
.compose .group { border: none; margin: 6px 0 0; padding: 0; min-width: 0; }
.compose .group legend { font-size: 12px; color: var(--muted); padding: 0; margin-bottom: 2px; }
.compose .group legend button { padding: 0; margin-left: 10px; font-size: 12px; color: var(--muted); }
.compose .group legend button:hover { color: var(--ink); }
.compose .group .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0 20px; }
.compose .group input, .compose .group select { font-size: 14px; }
.compose .group label.check { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); margin: 0; padding: 6px 0; }
.compose .group label.check input { width: auto; }
.compose .bar .adds { display: flex; gap: 12px; align-items: center; }
.compose .bar .adds button { padding: 0; color: var(--muted); }
.compose .bar .adds button.on { color: var(--ink); font-weight: 600; }
.compose .attachments { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.compose .attachment { display: flex; flex-direction: column; gap: 2px; align-items: flex-start; }
.compose .attachment img, .compose .attachment video { height: 88px; max-width: 160px; object-fit: cover; border-radius: 6px; background: var(--wash); }
.compose .attachment .audio { font-size: 13px; color: var(--muted); padding: 8px 10px; background: var(--wash); border-radius: 6px; }
.compose .attachment button { padding: 0; font-size: 12px; color: var(--muted); }
.compose .bar select { width: auto; border: none; padding: 0; font-size: 13px; color: var(--muted); }
.compose .bar .right { margin-left: auto; display: flex; gap: 12px; align-items: center; }
.compose .bar input[type=file] { display: none; }
.compose .filechip { color: var(--muted); }

.profile h1 { margin-top: 12px; }
.profile .sub { color: var(--muted); }
.profile .counts { display: flex; gap: 18px; font-size: 14px; color: var(--muted); margin-top: 10px; }
.profile .counts b { color: var(--ink); font-weight: 600; }
.profile .bio { margin-top: 12px; }
.profile .chips { margin-top: 10px; font-size: 14px; color: var(--muted); }
.profile .buttons { margin-top: 14px; display: flex; gap: 10px; align-items: center; font-size: 14px; }
.tabs { display: flex; gap: 18px; font-size: 14px; margin: 24px 0 0; border-bottom: 1px solid var(--line); }
.tabs a { color: var(--muted); padding: 6px 0 8px; margin-bottom: -1px; }
.tabs a.active { color: var(--ink); border-bottom: 1px solid var(--ink); }

.person { display: flex; align-items: baseline; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.person .name { font-weight: 600; }
.person .grow { flex: 1; min-width: 0; color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.search input.big { font-size: 20px; padding: 8px 0; border-bottom-width: 1px; }
.chips { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; margin-top: 12px; }
.chips a, .chips button { color: var(--muted); }
.chips a.on, .chips button.on { color: var(--ink); font-weight: 600; }
.chips .spacer { flex: 1; }
.filters { display: none; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0 20px; margin-top: 4px; }
.filters.show { display: grid; }
.filters input, .filters select { font-size: 14px; }

.thread { display: flex; flex-direction: column; gap: 10px; padding: 12px 0; }
.msg { max-width: 78%; padding: 8px 12px; border-radius: 14px; background: var(--wash); font-size: 15px; }
.msg.mine { align-self: flex-end; background: var(--ink); color: var(--bg); }
.msg .offer { font-weight: 600; }
.msg .time { display: block; font-size: 11px; opacity: .6; margin-top: 2px; }

.code { font-family: ui-monospace, Menlo, monospace; font-size: 20px; letter-spacing: .12em; padding: 12px 0; word-break: break-all; }
.key { font-family: ui-monospace, Menlo, monospace; font-size: 13px; word-break: break-all; padding: 10px 12px; background: var(--wash); border-radius: 6px; }
.section { padding: 16px 0; border-bottom: 1px solid var(--line); }
.section:last-child { border-bottom: none; }
.kv { display: flex; gap: 16px; font-size: 14px; color: var(--muted); flex-wrap: wrap; }
.kv b { color: var(--ink); font-weight: 500; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 8px; font-size: 14px; z-index: 10; max-width: 90vw; }
.toast.error { background: #c0392b; color: #fff; }
.signin { max-width: 380px; margin: 60px auto 0; }
.signin h1 { font-size: 26px; }

@media (max-width: 520px) {
  .top { padding: 16px 16px 4px; gap: 14px; }
  .top nav { gap: 14px; }
  .view { padding: 4px 16px 80px; }
  .post.pending { margin: 0 -16px; padding: 18px 16px; }
  .msg { max-width: 90%; }
  .chips .spacer { display: none; }
}