:root{--a:#fff;--ac:#000;--fg:#f4f4f5;--mut:#a1a1aa;--g:rgba(18,18,20,.55);--g2:rgba(255,255,255,.08);--line:rgba(255,255,255,.14);--base:#09090b;font-family:'Bricolage Grotesque',system-ui,sans-serif}
[data-mode=light]{--a:#000;--ac:#fff;--fg:#111;--mut:#52525b;--g:rgba(255,255,255,.62);--g2:rgba(0,0,0,.06);--line:rgba(0,0,0,.14);--base:#f4f4f5}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{background:var(--base);color:var(--fg);overflow:hidden}
button,input,select{font:inherit;color:inherit}
#bg{position:fixed;inset:0;filter:blur(10px);transform:scale(1.05)}
#bg img,#bg video{width:100%;height:100%;object-fit:cover}
#app{position:relative;height:100%;display:grid;grid-template-columns:340px 1fr;gap:10px;padding:max(10px,env(safe-area-inset-top)) 10px max(10px,env(safe-area-inset-bottom))}
.glass{background:var(--g);backdrop-filter:blur(22px) saturate(1.3);-webkit-backdrop-filter:blur(22px) saturate(1.3);border:1px solid var(--line);border-radius:20px}
.side,#main{display:flex;flex-direction:column;min-height:0;overflow:hidden}
header{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line)}
header .t{font-weight:800;letter-spacing:-.02em;line-height:1.1}header small{display:block;color:var(--mut);font-weight:400;font-size:.75rem}
.ib{background:none;border:0;padding:6px;border-radius:10px;cursor:pointer;display:grid;place-items:center}
.ib:hover,.row:hover{background:var(--g2)}
.sr{padding:10px 14px}
input,select{width:100%;background:var(--g2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;outline:0}
input:focus,select:focus,button:focus-visible{border-color:var(--a);box-shadow:0 0 0 2px var(--a)}
#list{flex:1;overflow:auto;padding:0 6px}
.row{display:flex;gap:10px;align-items:center;padding:10px;border-radius:14px;cursor:pointer;width:100%;background:none;border:0;text-align:left}
.row.on{background:var(--g2)}.row b{display:block}.row small{color:var(--mut)}
.side footer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.btn{background:var(--a);color:var(--ac);border:0;border-radius:12px;padding:10px 14px;font-weight:600;cursor:pointer;flex:1}
.btn.ghost{background:var(--g2);color:var(--fg)}.btn.red{background:#e5484d;color:#fff}
.av{position:relative;flex:none;width:42px;height:42px;border-radius:50%;overflow:hidden;background:var(--g2);border:1px solid var(--line);display:grid;place-items:center}
.av.s{width:30px;height:30px;font-size:.8rem}.av.l{width:72px;height:72px;font-size:1.6rem}
.av b{font-weight:800}.av img,.av video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.who{display:flex;gap:10px;align-items:center;flex:1;cursor:pointer;min-width:0}
.ms{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:8px}
.msg{display:flex;gap:8px;align-items:flex-end;max-width:min(78%,560px)}
.msg.me{align-self:flex-end;flex-direction:row-reverse}
.msg .b{background:var(--g2);border:1px solid var(--line);border-radius:16px 16px 16px 4px;padding:8px 12px}
.msg.me .b{background:var(--a);color:var(--ac);border-radius:16px 16px 4px 16px;border-color:transparent}
.n{font-size:.78rem;font-weight:600;margin-bottom:2px}.tt{font-style:normal;border:1px solid currentColor;border-radius:6px;padding:0 5px;font-size:.68rem;opacity:.8}
.x{white-space:pre-wrap;word-break:break-word}time{display:block;text-align:right;font-size:.68rem;opacity:.6}
.cf{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}.send{width:44px;border:0;border-radius:12px;background:var(--a);color:var(--ac);cursor:pointer;display:grid;place-items:center}
.note,.empty{color:var(--mut);padding:16px;text-align:center}.empty{margin:auto}
.bk{display:none}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:center;padding:14px;z-index:9}
.card{width:min(460px,100%);max-height:90%;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:10px;background:var(--base);border:1px solid var(--line);border-radius:20px}
.card h3{font-size:1.1rem}.card label{font-size:.8rem;color:var(--mut);display:block;margin-bottom:3px}
.sw{display:flex;flex-wrap:wrap;gap:8px}.sw button{width:30px;height:30px;border-radius:50%;border:2px solid var(--line);cursor:pointer}.sw button.on{border-color:var(--fg)}
.slots{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ur{display:flex;gap:6px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line)}.ur span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}.ur select{width:110px;padding:6px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--fg);color:var(--base);padding:10px 16px;border-radius:12px;z-index:20}
.auth{grid-column:1/-1;margin:auto;width:min(400px,100%);padding:26px;display:flex;flex-direction:column;gap:12px}
.auth h1{font-size:1.7rem;letter-spacing:-.03em;font-weight:800}.auth p{color:var(--mut);font-size:.85rem}
.tabs{display:flex;background:var(--g2);border-radius:12px;padding:3px}.tabs button{flex:1;border:0;background:none;padding:8px;border-radius:10px;cursor:pointer}.tabs .on{background:var(--a);color:var(--ac)}
@media(max-width:760px){#app{grid-template-columns:1fr;gap:0;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}.glass{border-radius:0;border-width:0}
.auth{border-radius:20px;border-width:1px;margin:auto 12px}#main{display:none}#app.open .side{display:none}#app.open #main{display:flex}.bk{display:grid}.msg{max-width:88%}}
@media(prefers-reduced-motion:no-preference){.msg{animation:in .18s ease-out}}@keyframes in{from{opacity:0;transform:translateY(4px)}}