:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC",sans-serif;
  --bg:#050a1e;--surface:#0b1430;--soft:#111d3d;--line:#1d315c;--text:#edf8ff;--muted:#8ea4c7;
  --brand:#18d7ff;--brand2:#8d5cff;--danger:#ff8b8b;--app-height:100svh}
*{box-sizing:border-box}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}html,body{background:var(--bg);margin:0;min-width:320px;overflow-x:hidden}button,input{font:inherit}
button{cursor:pointer}.app-shell{background:radial-gradient(circle at 90% 4%,#8d5cff29,transparent 29%),var(--bg);
  color:var(--text);height:var(--app-height);margin:auto;max-width:430px;min-height:480px;overflow:hidden;
  padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);position:relative}
.screen{display:flex;flex-direction:column;height:100%;min-width:0}.topbar{align-items:center;background:var(--surface);
  border-bottom:1px solid var(--line);display:flex;gap:10px;min-height:calc(54px + env(safe-area-inset-top));
  padding:calc(8px + env(safe-area-inset-top)) 12px 8px;position:sticky;top:0;z-index:3}
.grow{flex:1;min-width:0}.title{font-size:17px;font-weight:650}.meta{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:14px}.login{justify-content:center;padding:28px}
.brand{color:var(--brand);font-size:30px;font-weight:800;letter-spacing:.08em;text-align:center}.lead{color:var(--muted);margin:8px 0 28px;text-align:center}
.field{display:grid;gap:6px;margin-bottom:14px}.field span{color:var(--muted);font-size:12px}.input{background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--text);min-height:46px;padding:10px 12px;width:100%}
.button{align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--text);display:inline-flex;justify-content:center;min-height:44px;padding:9px 13px}
.primary{background:linear-gradient(120deg,var(--brand),var(--brand2));border:0;color:#03101a;font-weight:700}.block{width:100%}.danger{color:var(--danger)}
button:focus-visible,input:focus-visible{outline:3px solid var(--brand);outline-offset:2px}.list{background:var(--surface);border-radius:13px;overflow:hidden}.conversation{align-items:center;background:transparent;border:0;border-bottom:1px solid var(--line);color:var(--text);display:flex;gap:10px;min-height:68px;padding:11px;text-align:left;width:100%}.conversation:last-child{border-bottom:0}
.avatar{align-items:center;background:#102b54;border-radius:50%;color:var(--brand);display:flex;flex:0 0 42px;height:42px;justify-content:center;position:relative}.ai{background:linear-gradient(135deg,var(--brand),var(--brand2));border:2px solid var(--surface);border-radius:50%;bottom:-1px;color:#03101a;font-size:7px;font-weight:800;padding:3px;position:absolute;right:-2px}
.bottom{background:var(--surface);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);padding:7px 4px calc(7px + env(safe-area-inset-bottom))}.nav{background:transparent;border:0;color:var(--muted);min-height:44px}.nav[aria-current="page"]{color:var(--brand)}
.tabs{display:flex;gap:7px;margin:10px 0}.tabs .button{flex:1}.social-search{display:flex;gap:8px}.social-search .input{flex:1;min-width:0}.search-results{margin-bottom:12px}
.auth-tabs{margin:0 0 18px}.auth-tabs .button[aria-pressed="true"]{border-color:var(--brand);color:var(--brand)}
.settings{display:grid;align-content:start;gap:10px}.setting,.notification{align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--text);display:flex;gap:12px;justify-content:space-between;min-height:64px;padding:12px;text-align:left;width:100%}.setting span:first-child,.notification .grow{display:grid;gap:4px}.security-note{color:var(--muted);font-size:12px;line-height:1.6;margin:8px 4px}.notification{border-radius:0;border-width:0 0 1px}.notification:last-child{border-bottom:0}.notification-body{color:var(--muted);font-size:13px;line-height:1.45}.notification-dot{background:transparent;border-radius:50%;flex:0 0 8px;height:8px}.notification.unread .notification-dot{background:var(--brand)}.notification.unread strong{color:var(--brand)}
.empty-state{align-content:center;display:grid;text-align:center}.empty-state p{color:var(--muted);line-height:1.6}.cards{display:grid;align-content:start;gap:12px}.card{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:14px}.row{align-items:center;display:flex;gap:12px;justify-content:space-between}.badge{background:#12365c;border-radius:999px;color:var(--brand);font-size:12px;padding:5px 9px}.switch{background:#273657;border:0;border-radius:24px;height:32px;padding:3px;width:54px}.switch span{background:white;border-radius:50%;display:block;height:26px;transition:transform .15s;width:26px}.switch.on{background:var(--brand)}.switch.on span{transform:translateX(22px)}.knowledge-list{display:grid;margin-top:9px}.knowledge-row{align-items:center;background:transparent;border:0;border-top:1px solid var(--line);color:var(--text);display:flex;justify-content:space-between;min-height:58px;padding:9px 0;text-align:left}.knowledge-row>span:first-child{display:grid;gap:3px}.version-row{align-items:center;border-top:1px solid var(--line);display:flex;justify-content:space-between;margin-top:10px;padding-top:10px}.stepper{display:grid;gap:6px;grid-template-columns:repeat(5,1fr);padding:12px 14px 0}.step{background:var(--line);border-radius:4px;height:4px}.step.on{background:var(--brand)}.form-title{font-size:17px;margin:4px 0 18px}.textarea{line-height:1.5;resize:vertical}.form-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;margin-top:14px}.review{line-height:1.6}
.delegation-summary{align-items:center;color:var(--text);display:flex;justify-content:space-between;text-align:center;width:100%}.delegation-summary span{display:grid;gap:3px}.delegation-summary strong{color:var(--brand);font-size:22px}.delegation-summary small{color:var(--muted)}.badge.warn{background:#4a3516;color:#ffc867}.preview{background:var(--bg);border:1px solid var(--line);border-radius:10px;line-height:1.5;margin:14px 0;max-height:130px;overflow:auto;padding:12px;overflow-wrap:anywhere}
.profile-link{background:transparent;border:0;color:var(--text);display:grid;text-align:left}.action-sheet{align-content:end;background:#050a1ecc;display:grid;gap:9px;height:100%;padding:18px}.action-sheet .setting{background:var(--surface)}.profile-hero{display:grid;justify-items:center;padding:22px 0}.profile-hero .large{font-size:24px;height:72px;width:72px}.profile-hero h2{margin:12px 0 5px}.message-wrap.mine{text-align:right}.bubble{font:inherit;text-align:left}
.notice{background:#44321a;border-bottom:1px solid #765623;font-size:12px;padding:9px 12px}.messages{display:flex;flex-direction:column;gap:12px}.bubble{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:12px 12px 12px 3px;max-width:82%;overflow-wrap:anywhere;padding:9px 11px}.bubble.me{align-self:flex-end;background:var(--brand);border-color:var(--brand);border-radius:12px 12px 3px 12px;color:#03101a}.source{color:var(--muted);font-size:10px;margin-bottom:3px}
.compose{background:var(--surface);border-top:1px solid var(--line);display:flex;gap:8px;padding:9px 10px calc(9px + env(safe-area-inset-bottom));position:sticky;bottom:0}.compose .input{flex:1;min-width:0}.webview{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:auto;padding:22px;width:min(92%,390px)}.webview h1{font-size:20px}.webview p{color:var(--muted);line-height:1.6}.actions{display:grid;gap:9px}
@media(min-width:431px){body{padding:18px}.app-shell{border:1px solid var(--line);border-radius:20px;box-shadow:0 18px 54px #0008}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.bubble.ai-activity{border-style:dashed;color:var(--muted)}
.bubble.ai-activity.failed{border-color:var(--danger);color:var(--danger)}