:root{--bg:#141618;--surface:#1f2226;--surface2:#2a2e33;--accent:#F1CA19;--text:#fff;--muted:#9aa0a8;--err:#ff6b5e;--ok:#3dd68c}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.4}
body{min-height:100vh;min-height:100dvh}
#app{max-width:640px;margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
button,input,textarea,select{font:inherit;color:inherit}
a{color:var(--accent)}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;padding:calc(10px + env(safe-area-inset-top)) 12px 10px;background:var(--bg);border-bottom:1px solid #23272b}
.topbar h1{flex:1;margin:0;font-size:19px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}
.topbar .side{width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.icon-btn{width:44px;height:44px;border:0;background:none;border-radius:22px;font-size:24px;cursor:pointer;color:var(--text)}
.icon-btn:active{background:var(--surface)}
.content{flex:1;padding:16px;padding-bottom:calc(24px + env(safe-area-inset-bottom))}
.btn{display:block;width:100%;border:0;border-radius:28px;padding:15px 20px;font-weight:700;font-size:16px;cursor:pointer;text-align:center;text-decoration:none}
.btn.primary{background:var(--accent);color:#fff}
.btn.light{background:#f2f3f4;color:#111}
.btn.outline{background:none;border:1.5px solid #3a3f45;color:var(--text)}
.btn.danger{background:none;color:var(--err)}
.btn:disabled{opacity:.5}
.btn.small{width:auto;padding:10px 18px;font-size:14px;display:inline-block}
.row{display:flex;gap:10px;align-items:center}
.row>*{flex:1}
.muted{color:var(--muted)}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--muted);margin:0 0 4px 4px}
.field input,.field textarea,.field select{width:100%;padding:14px 16px;background:var(--surface);border:1.5px solid #3a3f45;border-radius:14px;outline:none;color:var(--text)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent)}
.field input:disabled{opacity:.45}
.field textarea{min-height:110px;resize:vertical}
.field .err{color:var(--err);font-size:13px;margin:4px 4px 0}
.check{display:flex;align-items:center;gap:10px;margin:2px 0 12px;color:var(--muted);font-size:14px;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--accent)}
.err-text{color:var(--err);font-size:14px;margin:8px 0}
/* home */
.home{text-align:center;padding-top:calc(30px + env(safe-area-inset-top))}
.logo{width:96px;height:96px;border-radius:24px;background:var(--surface);margin:0 auto 18px;display:flex;align-items:center;justify-content:center}
.logo svg{width:60px;height:60px}
.wordmark{font-size:34px;font-weight:800;letter-spacing:.35em;margin:0 0 8px;padding-left:.35em}
.underline{width:44px;height:4px;background:var(--accent);border-radius:2px;margin:0 auto 14px}
.company{color:var(--muted);font-weight:600;margin-bottom:18px}
.card-info{background:var(--surface);border-radius:18px;padding:6px 16px;margin:18px 0 20px;text-align:left}
.card-info div{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--bg)}
.card-info div:last-child{border:0}
.card-info span:first-child{color:var(--muted)}
.stack>*{margin-bottom:10px}
.version{color:#6b7178;font-size:13px;margin-top:14px}
/* feed */
.status{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#1b1e21;color:var(--muted);font-size:13px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--muted)}
.dot.ok{background:var(--ok)}.dot.bad{background:var(--err)}
.cat-card{background:var(--surface);border-radius:26px;overflow:hidden;margin:0 auto 22px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.cat-card .img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--surface2);display:block}
.cat-card .img.ph{display:flex;align-items:center;justify-content:center}
.cat-card .body{padding:16px}
.cat-card .desc{color:var(--accent);white-space:pre-line;font-size:15px;margin:0 0 14px}
.cat-card .btns{display:flex;flex-direction:column;gap:10px}
.menu{position:absolute;right:8px;top:calc(56px + env(safe-area-inset-top));background:#2f2c1d;border-radius:14px;padding:6px 0;min-width:240px;z-index:20;box-shadow:0 8px 28px rgba(0,0,0,.5)}
.menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:14px 18px;font-weight:700;font-size:16px;cursor:pointer}
.menu button:active{background:#3b3722}
/* dialogs */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.62);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.dialog{background:#2a2a1f;border-radius:24px;padding:22px;width:100%;max-width:420px;max-height:90vh;overflow:auto}
.dialog h3{margin:0 0 12px;font-size:22px}
.dialog .acts{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.radio{display:flex;align-items:center;gap:12px;padding:10px 0;cursor:pointer;font-size:17px}
.radio input{width:20px;height:20px;accent-color:var(--accent)}
/* banner */
.banner{background:rgba(255,107,94,.16);padding:12px 16px;border-radius:14px;margin-bottom:14px;font-size:14px}
.banner .acts{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.linkbtn{border:0;background:none;color:var(--accent);font-weight:700;padding:8px 6px;cursor:pointer;font-size:14px}
.linkbtn.mut{color:var(--muted)}
/* account */
h2.sec{font-size:18px;margin:22px 0 10px}
.social-row,.my-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid #23272b}
.social-row span,.my-row .t{flex:1}
.my-row{align-items:flex-start;flex-direction:column;gap:2px}
.my-row .d{color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.my-row .acts{display:flex;gap:4px}
/* chat */
.conv{display:flex;align-items:center;gap:12px;padding:14px 4px;border-bottom:1px solid var(--surface);cursor:pointer}
.conv .m{flex:1;min-width:0}
.conv .n{font-weight:600}.conv .c{color:var(--accent);font-size:12px}
.conv .l{color:var(--muted);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{min-width:22px;height:22px;border-radius:11px;background:var(--accent);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;padding:0 6px}
.chat-wrap{display:flex;flex-direction:column;flex:1}
.msgs{flex:1;padding:14px;display:flex;flex-direction:column;gap:8px}
.msg-row{display:flex;align-items:center;gap:8px}
.msg-row.mine{justify-content:flex-end}
.bubble{max-width:78%;padding:10px 14px;border-radius:18px;background:var(--surface);white-space:pre-wrap;word-break:break-word}
.mine .bubble{background:var(--accent)}
.bubble .tk{display:block;font-size:11px;opacity:.6;margin-top:2px}
.bubble .tk.read{opacity:1}
.bubble .tm{display:block;font-size:10px;opacity:.55;margin-top:1px}
.msg-row input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent)}
.composer{position:sticky;bottom:0;display:flex;gap:8px;align-items:flex-end;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid #23272b}
.composer textarea{flex:1;max-height:110px;padding:12px 14px;background:var(--surface);border:1.5px solid #3a3f45;border-radius:22px;resize:none;outline:none;color:var(--text)}
.composer .send{width:46px;height:46px;border-radius:23px;background:var(--accent);border:0;color:#fff;font-size:20px;cursor:pointer}
.composer .send:disabled{opacity:.4}
.pdfv{padding:8px}
.pdfv canvas{display:block;width:100%;height:auto;background:#fff;border-radius:6px;margin-bottom:8px}
.pdfpage{text-align:center;color:var(--muted);padding:4px;font-size:13px}
.empty{text-align:center;color:var(--muted);padding:50px 20px}
.spinner{width:34px;height:34px;border:4px solid var(--surface2);border-top-color:var(--accent);border-radius:50%;animation:sp 1s linear infinite;margin:50px auto}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:calc(30px + env(safe-area-inset-bottom));transform:translateX(-50%);background:#fff;color:#111;padding:12px 20px;border-radius:24px;font-weight:600;z-index:100;max-width:90%;text-align:center}
.privacy h2{color:var(--accent);font-size:18px;margin:22px 0 6px}.privacy p{color:#c9c9c9;white-space:pre-line}
.filebox{background:var(--surface);border-radius:14px;padding:12px;margin-bottom:12px}
.filebox .fn{font-size:13px;color:var(--muted);margin-top:6px;word-break:break-all}
.hint{background:#1b1e21;border-radius:14px;padding:12px 14px;color:var(--muted);font-size:13px;margin-top:20px}