:root{
  --bg:#0a0e14; --panel:#111823; --panel2:#0d141d; --line:#1e2a3a;
  --txt:#e6edf3; --dim:#8b98a9; --accent:#3ddc97; --accent2:#2bb3ff;
  --bad:#ff5c72; --bubble-me:#173a2e; --bubble-them:#16202e;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:radial-gradient(1200px 600px at 50% -10%,#12202b,var(--bg));
  color:var(--txt); font:15px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  -webkit-tap-highlight-color:transparent;
}
.hidden{display:none!important}
.screen{min-height:100dvh;display:flex;flex-direction:column}

/* onboarding */
#onboard{align-items:center;justify-content:center;padding:24px;text-align:center}
.brand{font-size:34px;font-weight:800;letter-spacing:-.5px}
.logo{color:var(--accent)}
.tag{color:var(--dim);margin:.3rem 0 1.6rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;width:min(420px,92vw);text-align:left}
.card label{font-size:13px;color:var(--dim)}
input{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--txt);
  border-radius:12px;padding:12px 14px;margin-top:6px;font-size:16px;outline:none}
input:focus{border-color:var(--accent2)}
button{cursor:pointer;border:none;border-radius:12px;font-size:15px}
.primary{width:100%;margin-top:14px;padding:13px;background:linear-gradient(135deg,var(--accent),#2bb3ff);
  color:#04121a;font-weight:700}
.fine{color:var(--dim);font-size:12px;margin:12px 0 0}
.orline{display:flex;align-items:center;gap:10px;color:var(--dim);font-size:12px;margin:16px 0}
.orline::before,.orline::after{content:"";flex:1;height:1px;background:var(--line)}
.ghost2{width:100%;background:transparent;color:var(--accent2);border:1px solid var(--line);padding:11px;font-weight:600}
#restoreBox{margin-top:12px}
textarea{width:100%;background:var(--panel2);border:1px solid var(--line);color:var(--txt);
  border-radius:12px;padding:12px 14px;margin-top:6px;font-size:14px;outline:none;resize:vertical;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
textarea:focus{border-color:var(--accent2)}
.bkhead{font-size:20px;font-weight:800;margin-bottom:4px}
.bkrow{display:flex;gap:8px;margin-top:10px}
.bkrow .primary,.bkrow .ghost2{margin-top:0}
.chk{display:flex;align-items:center;gap:9px;margin:16px 0 4px;font-size:13px;color:var(--dim)}
.chk input{width:auto;margin:0}

/* app shell */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-bottom:1px solid var(--line);background:var(--panel2);
  padding-top:max(12px,env(safe-area-inset-top))}
.me{display:flex;align-items:center;gap:6px}
.mehandle{font-weight:700}
#status{font-size:12px}
#status.ok{color:var(--accent)} #status.bad{color:var(--bad)}
.ghost{background:transparent;color:var(--dim);padding:6px 8px;font-size:16px}
.body{flex:1;display:flex;min-height:0}

/* sidebar */
.sidebar{width:230px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--panel2)}
.addrow{display:flex;gap:6px;padding:10px}
.addrow input{margin:0}
.addrow button{width:42px;background:var(--panel);color:var(--accent);font-size:20px;border:1px solid var(--line)}
.contactlist{overflow:auto;flex:1}
.contact{display:flex;align-items:center;gap:8px;padding:11px 12px;cursor:pointer;border-bottom:1px solid #131c27}
.contact.active{background:var(--panel)}
.contact .dot{width:8px;height:8px;border-radius:50%;background:#3a4757}
.contact .dot.on{background:var(--accent)}
.cname{flex:1;font-weight:600}
.cfp{font-size:11px;color:var(--dim);font-family:ui-monospace,monospace}
.empty{color:var(--dim);padding:16px;font-size:13px}

/* chat */
.chat{flex:1;display:flex;flex-direction:column;min-width:0}
.chathead{padding:10px 14px;border-bottom:1px solid var(--line);color:var(--dim);font-size:13px}
.chathead span{color:var(--txt);font-weight:600}
.messages{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.hint{color:var(--dim);text-align:center;padding:30px 20px;font-size:14px}
.bubble{max-width:75%;padding:10px 13px;border-radius:16px;transition:opacity .4s,transform .4s}
.bubble.me{align-self:flex-end;background:var(--bubble-me);border-bottom-right-radius:5px}
.bubble.them{align-self:flex-start;background:var(--bubble-them);border-bottom-left-radius:5px}
.bubble.gone{opacity:0;transform:scale(.9)}
.play{background:transparent;color:var(--accent);font-weight:700;padding:2px 0}
.destruct{color:var(--dim);font-size:11px}

/* composer */
.composer{padding:12px;border-top:1px solid var(--line);background:var(--panel2);
  padding-bottom:max(12px,env(safe-area-inset-bottom))}
.textrow{display:flex;gap:8px;margin-bottom:10px}
.textrow input{margin:0}
.rec{width:100%;padding:18px;background:var(--panel);border:1px solid var(--line);
  color:var(--txt);font-weight:700;display:flex;align-items:center;justify-content:center;gap:10px;
  position:relative;user-select:none;-webkit-user-select:none;touch-action:none}
.rec .ring{width:14px;height:14px;border-radius:50%;background:var(--accent)}
.rec.recording{background:#2a1414;border-color:var(--bad);color:var(--bad)}
.rec.recording .ring{background:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.6);opacity:.5}}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);
  background:#0d1620;border:1px solid var(--line);color:var(--txt);padding:12px 16px;border-radius:12px;
  max-width:88vw;white-space:pre-line;opacity:0;pointer-events:none;transition:.25s;font-size:13px;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:640px){
  .sidebar{width:150px}
}