:root{color-scheme:light;--surface:#fff;--soft:#eeedff;--soft-border:#dedbff;--body-text:#555a6b;--hover:#efeff6}
.portrait{position:relative;overflow:hidden}.portrait img{width:100%;height:100%;object-fit:cover}.portrait img:not([src]){display:none}.portrait .media-status{position:absolute;inset:0;display:grid;place-items:center;background:var(--soft);font-size:14px}.channel-cover{margin:-26px -26px 24px;border-radius:13px 13px 0 0}.channel-cover img{width:100%;height:200px;object-fit:cover}.profile-preview img{display:block;max-height:150px;max-width:100%;margin:12px 0;border-radius:8px}#profile-form input[type="checkbox"]{width:auto;margin-right:8px}#profile-form input[type="file"]{font-size:14px}.mention{color:var(--purple);font-weight:650;text-decoration:underline;text-underline-offset:3px}.edited-label{font-size:11px;color:var(--muted)}html[data-design="flat"] .channel-cover{border-radius:0}@media(max-width:650px){.channel-cover{margin:-20px -20px 20px}.channel-cover img{height:140px}}
.verified-badge{display:inline-grid;place-items:center;vertical-align:middle;width:20px;height:20px;padding:0;border-radius:50%;background:#1769cf;color:#fff;font-size:13px;font-weight:800;line-height:1;flex-shrink:0;letter-spacing:0}.channel h2 .verified-badge{width:24px;height:24px;font-size:16px}button.verified-badge:hover{background:#1153a7}
html[data-design="flat"]{--purple:#304fc4;--bg:#f0f1f3;--soft:#e1e7f6;--soft-border:#cad3eb;--hover:#e5e8ef;--line:#d9dce3}
html[data-design="flat"][data-theme="dark"]{--purple:#a5baff;--bg:#151922;--surface:#202632;--soft:#293753;--soft-border:#435473;--hover:#2c3545;--line:#3e495c}
html[data-design="flat"] header{background:#304fc4;border-bottom:0;color:#fff}
html[data-design="flat"] header .brand,html[data-design="flat"] header .text,html[data-design="flat"] header .beta{color:#fff}
html[data-design="flat"] header .secondary,html[data-design="flat"] header .primary{background:#233c9c;color:white;border-color:#6178d1}
html[data-design="flat"] :is(.post,.composer,.channel,.person-card,.empty,.welcome,.notice,dialog,.nav,.primary,.secondary,.pill,.avatar,.badge,.vote,input,textarea,select,.post-media,#toast){border-radius:3px;box-shadow:none}
html[data-design="flat"] .primary{background:#304fc4;color:#fff}
html[data-design="flat"] .primary:hover{background:#233c9c}
html[data-design="flat"] .toolbar{border-bottom:1px solid var(--line);padding-bottom:0}
html[data-design="flat"] .pill{background:transparent;border-bottom:3px solid transparent;border-radius:0;padding:12px}
html[data-design="flat"] .pill.selected{border-bottom-color:var(--purple);color:var(--purple)}
html[data-design="flat"] .welcome{background:#304fc4;color:white;border:0}
html[data-design="flat"] .welcome :is(.tag,p){color:#e0e7ff}
html[data-design="flat"] .welcome .primary{background:white;color:#233c9c;white-space:normal}
html[data-design="flat"] :is(.rules,.foot){background:var(--surface);border:1px solid var(--line);padding:20px}
html[data-design="flat"] .topic-dot{background:transparent;border:0;color:var(--muted)}
html[data-design="flat"] .vote{background:transparent}
html[data-design="flat"] dialog::backdrop{backdrop-filter:none}
html[data-theme="dark"]{color-scheme:dark;--purple:#aaa2ff;--ink:#f1f1fa;--muted:#b0b3c6;--line:#363849;--bg:#151622;--surface:#20222f;--soft:#2b2845;--soft-border:#4a4567;--body-text:#c4c7d8;--hover:#2d3042}
header,.composer,.post,.secondary,dialog,.person-card,.channel,.topic-dot,.empty{background:var(--surface)}
.primary{background:#5346ed;color:#fff}.primary:hover{background:#4437d4}
.nav.active,.pill.selected,.avatar,.badge{background:var(--soft);color:var(--purple)}
.nav:hover{background:var(--hover)}.vote{background:var(--hover)}.post-body{color:var(--body-text)}
.welcome{background:var(--soft);border-color:var(--soft-border)}.welcome p{color:var(--muted)}
input,textarea,select{background:var(--surface);border-color:var(--line);color:var(--ink)}
.empty{border-color:var(--line)}.notice{background:var(--soft);border-color:var(--soft-border);color:var(--ink)}
.error,.danger{color:#bb324d}html[data-theme="dark"] .error,html[data-theme="dark"] .danger{color:#ff98b1}
#search-form{display:flex;align-items:center;gap:8px;flex:1;max-width:510px;margin-left:auto}#search-input{min-width:0;font-size:14px;background:var(--bg)}
header{gap:20px}#account{margin-left:0}.settings-button{font-size:20px;padding:5px 12px}
.person-card{display:flex;align-items:center;gap:15px;width:100%;padding:20px;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;text-align:left}.person-card>span:nth-child(2){flex:1;min-width:0}.person-card .hint,.person-bio{display:block;overflow-wrap:anywhere}.person-bio{color:var(--muted);font-size:14px;margin-top:6px}.person-card:hover{border-color:var(--purple)}
.channel{border:1px solid var(--line);border-radius:14px;padding:26px;margin-bottom:24px}.channel-top{display:flex;align-items:center;gap:18px}.channel-top h2{margin:0;overflow-wrap:anywhere}.avatar.large{width:64px;height:64px;font-size:30px}.channel-bio{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--body-text)}.channel-counts{display:flex;gap:24px;flex-wrap:wrap;padding:12px 0 20px;font-size:14px}.channel-counts button{padding:0}.channel-counts b{font-size:20px;margin-right:5px}.channel-actions{display:flex;gap:10px;flex-wrap:wrap}.author-link{padding:0;font-size:13px}.author-link:hover{text-decoration:underline}.is-saved{color:var(--purple);font-weight:700}#search-tabs{padding-bottom:14px}
html[data-theme="dark"] .close{color:var(--muted)}
@media(max-width:800px){header{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:12px}.brand{margin-right:auto}#search-form{order:4;max-width:none;flex-basis:100%;margin:0}#account{margin-left:0}.layout{padding-top:20px}}
@media(max-width:650px){.sidebar{scrollbar-width:thin}.sidebar .nav{flex-shrink:0}.channel{padding:20px}.channel-counts{gap:16px}#account{gap:7px}.settings-button{padding:3px 9px}.channel-actions button{white-space:normal}.sidebar #topics{flex-shrink:0}#connection-list .person-card{padding:12px}.profile-name{max-width:75px}}

.brand img.brandmark{object-fit:cover;padding:0;border-radius:10px;background:white}.post-media{margin:16px 0;overflow:hidden;border-radius:12px}.post-media img,.post-media video{display:block;width:100%;max-height:520px;object-fit:contain;background:var(--bg,#eee)}#attachment{max-width:100%;padding:12px 0}#attachment-preview img,#attachment-preview video{max-height:240px}.post-media img:not([src]),.post-media video:not([src]){display:none}