:root{
  --bg0:#0b0d17; --bg1:#121527; --card:#181c30; --card2:#1f2440;
  --line:rgba(255,255,255,.08);
  --txt:#eef0fb; --txt2:#9aa3c7; --txt3:#6b7396;
  --acc:#8b5cf6; --acc2:#22d3ee; --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --grad:linear-gradient(135deg,#8b5cf6 0%,#6366f1 50%,#22d3ee 100%);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  background:radial-gradient(1200px 700px at 80% -10%,rgba(139,92,246,.16),transparent 60%),
             radial-gradient(900px 600px at -10% 110%,rgba(34,211,238,.12),transparent 60%),
             linear-gradient(160deg,var(--bg0),var(--bg1));
  color:var(--txt); overflow:hidden;
}
#app{height:100dvh;display:flex;flex-direction:column;max-width:860px;margin:0 auto;width:100%;position:relative}
.screen{display:none;flex:1;flex-direction:column;min-height:0}
.screen.active{display:flex}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:12px;padding:13px 26px;font-size:15px;transition:transform .15s,box-shadow .15s,background .15s}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(139,92,246,.35)}
.btn-primary:hover:not(:disabled){box-shadow:0 10px 30px rgba(139,92,246,.5)}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--txt);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-danger{background:rgba(248,113,113,.14);color:#fca5a5;border:1px solid rgba(248,113,113,.3)}
.btn-danger:hover{background:rgba(248,113,113,.22)}
.icon-btn{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.06);color:var(--txt2);display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);flex:0 0 auto}
.icon-btn:hover{background:rgba(255,255,255,.12);color:var(--txt)}
.icon-btn svg{width:20px;height:20px}
.icon-btn.recording{background:rgba(248,113,113,.2);color:#fca5a5;border-color:rgba(248,113,113,.4);animation:recPulse 1s infinite}
@keyframes recPulse{0%,100%{box-shadow:0 0 0 0 rgba(248,113,113,.45)}50%{box-shadow:0 0 0 8px rgba(248,113,113,0)}}

/* ===== Landing ===== */
#landing{align-items:center;justify-content:center;text-align:center;padding:32px 24px;gap:8px}
.logo-orbs{position:relative;width:110px;height:110px;margin-bottom:10px}
.orb{position:absolute;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:34px;animation:float 3.4s ease-in-out infinite}
.orb.a{width:72px;height:72px;left:0;top:22px;background:linear-gradient(135deg,#8b5cf6,#6366f1);box-shadow:0 10px 30px rgba(139,92,246,.45)}
.orb.b{width:58px;height:58px;right:0;top:0;background:linear-gradient(135deg,#22d3ee,#3b82f6);box-shadow:0 10px 30px rgba(34,211,238,.4);animation-delay:1.2s}
.orb-link{position:absolute;left:50%;top:50%;width:26px;height:3px;background:var(--grad);transform:translate(-50%,-50%) rotate(-24deg);border-radius:2px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.brand{font-size:38px;font-weight:800;letter-spacing:-.5px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.tagline{color:var(--txt2);font-size:16px;max-width:440px;line-height:1.55}
.id-card{margin:22px 0 4px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 26px;display:flex;flex-direction:column;gap:6px;min-width:290px}
.id-label{font-size:11px;text-transform:uppercase;letter-spacing:1.6px;color:var(--txt3)}
.id-value{font-size:26px;font-weight:800;letter-spacing:1px;font-variant-numeric:tabular-nums}
.id-note{font-size:12px;color:var(--ok);display:flex;align-items:center;gap:6px;justify-content:center}
.conn-state{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--txt2);margin:8px 0 14px}
.features{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:18px}
.feature-pill{font-size:12.5px;color:var(--txt2);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:7px 14px;display:flex;align-items:center;gap:6px}
.disclaimer{margin-top:22px;font-size:11.5px;color:var(--txt3);max-width:430px;line-height:1.5}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);display:inline-block}
.dot-warn{background:var(--warn);box-shadow:0 0 8px var(--warn)}
.dot-bad{background:var(--bad);box-shadow:0 0 8px var(--bad)}

/* ===== Searching ===== */
#searching{align-items:center;justify-content:center;text-align:center;padding:32px;gap:26px}
.radar{position:relative;width:190px;height:190px;display:flex;align-items:center;justify-content:center}
.radar .ring{position:absolute;border-radius:50%;border:1.5px solid rgba(139,92,246,.5);animation:radarPing 2.4s ease-out infinite;width:70px;height:70px}
.radar .ring:nth-child(2){animation-delay:.8s}
.radar .ring:nth-child(3){animation-delay:1.6s}
@keyframes radarPing{0%{transform:scale(1);opacity:.9}100%{transform:scale(2.55);opacity:0}}
.radar .core{width:70px;height:70px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:30px;box-shadow:0 10px 34px rgba(139,92,246,.5);z-index:1}
.search-title{font-size:22px;font-weight:700}
.search-sub{color:var(--txt2);font-size:14px;margin-top:-16px}
.search-timer{font-variant-numeric:tabular-nums;color:var(--txt3);font-size:13px}
.online-chip{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:13.5px;color:var(--txt2)}

/* ===== Chat ===== */
.chat-header{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(24,28,48,.72);backdrop-filter:blur(8px)}
.avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:21px;flex:0 0 auto;border:2px solid rgba(255,255,255,.12)}
.partner-meta{flex:1;min-width:0}
.partner-name{font-weight:700;font-size:15px;display:flex;align-items:center;gap:7px}
.partner-status{font-size:12px;color:var(--txt2);margin-top:2px}
.header-actions{display:flex;gap:8px}

#msgArea{flex:1;overflow-y:auto;padding:18px 16px 10px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}
#msgArea::-webkit-scrollbar{width:5px}
#msgArea::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px}
.sys-line{align-self:center;font-size:12px;color:var(--txt3);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;padding:6px 15px;text-align:center;max-width:88%}
.msg-row{display:flex;gap:9px;max-width:78%;align-items:flex-end}
.msg-row.mine{align-self:flex-end;flex-direction:row-reverse}
.msg-row .mini-av{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex:0 0 auto;margin-bottom:2px}
.bubble{padding:10px 14px;border-radius:16px;font-size:14.5px;line-height:1.45;word-break:break-word;position:relative;animation:bubbleIn .22s ease-out}
@keyframes bubbleIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.msg-row.theirs .bubble{background:var(--card2);border-bottom-left-radius:5px}
.msg-row.mine .bubble{background:linear-gradient(135deg,#7c3aed,#6366f1);border-bottom-right-radius:5px}
.msg-time{font-size:10.5px;color:var(--txt3);margin-top:4px;text-align:right}
.msg-row.mine .bubble .msg-time{color:rgba(255,255,255,.65)}
.msg-row .msg-time{padding-right:4px}
.bubble.img-bubble{padding:4px;background:var(--card2)}
.msg-row.mine .bubble.img-bubble{background:linear-gradient(135deg,#7c3aed,#6366f1)}
.bubble.img-bubble img{display:block;max-width:220px;max-height:220px;width:auto;border-radius:12px;cursor:zoom-in;object-fit:cover}
.bubble.voice-bubble{display:flex;align-items:center;gap:10px;min-width:190px}
.voice-play{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.16);color:inherit;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.voice-play svg{width:15px;height:15px}
.voice-bars{display:flex;align-items:center;gap:2.5px;height:22px;flex:1}
.voice-bars i{width:3px;border-radius:2px;background:currentColor;opacity:.55;height:22%}
.voice-dur{font-size:11.5px;opacity:.8;font-variant-numeric:tabular-nums}

.chat-input{display:flex;align-items:flex-end;gap:9px;padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(24,28,48,.72)}
.chat-input input[type=text]{flex:1;background:var(--card2);border:1px solid var(--line);color:var(--txt);border-radius:12px;padding:12px 15px;font-size:14.5px;font-family:inherit;min-width:0}
.chat-input input[type=text]:focus{outline:none;border-color:rgba(139,92,246,.55)}
.chat-input input[type=text]::placeholder{color:var(--txt3)}
.send-btn{width:44px;height:44px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.send-btn svg{width:19px;height:19px}
.rec-timer{display:none;align-items:center;gap:8px;color:#fca5a5;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.rec-timer.on{display:flex}
.rec-dot{width:10px;height:10px;border-radius:50%;background:#f87171;animation:blink 1s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ===== Banned ===== */
#banned{align-items:center;justify-content:center;text-align:center;padding:32px}
.banned-box{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:380px}
.banned-box h2{font-size:24px}
.banned-box p{color:var(--txt2);font-size:14px;line-height:1.55}
.banned-count{font-size:13px;color:#fca5a5;font-variant-numeric:tabular-nums}

/* ===== Reconnect banner / overlay ===== */
#reconnectBanner{display:none;align-items:center;justify-content:center;gap:10px;background:rgba(251,191,36,.12);border-bottom:1px solid rgba(251,191,36,.3);color:#fcd34d;font-size:13px;padding:9px 14px;text-align:center}
#reconnectBanner.on{display:flex}
.spinner{width:15px;height:15px;border:2px solid rgba(251,191,36,.3);border-top-color:#fbbf24;border-radius:50%;animation:spin .8s linear infinite;flex:0 0 auto}
.big-spin{width:28px;height:28px;border-width:3px}
@keyframes spin{to{transform:rotate(360deg)}}
#offlineOverlay{position:absolute;inset:0;background:rgba(11,13,23,.88);backdrop-filter:blur(6px);display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:60;text-align:center;padding:30px}
#offlineOverlay.on{display:flex}
.ov-icon{width:76px;height:76px;border-radius:50%;background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.3);display:flex;align-items:center;justify-content:center;font-size:34px}
.ov-title{font-size:21px;font-weight:700}
.ov-sub{color:var(--txt2);font-size:14px;line-height:1.55;max-width:330px}
.ov-count{font-size:13px;color:#fcd34d;font-variant-numeric:tabular-nums}

/* ===== Modal ===== */
.modal-mask{position:absolute;inset:0;background:rgba(5,7,15,.66);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:80;padding:20px}
.modal-mask.on{display:flex}
.modal{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;width:100%;max-width:380px;animation:modalIn .2s ease-out;max-height:86dvh;overflow-y:auto}
@keyframes modalIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.modal h3{font-size:18px;margin-bottom:5px}
.modal .m-sub{color:var(--txt2);font-size:13px;margin-bottom:16px;line-height:1.5}
.reason{display:flex;align-items:center;gap:11px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);margin-bottom:8px;cursor:pointer;font-size:14px;transition:background .15s,border-color .15s}
.reason:hover{background:rgba(255,255,255,.07)}
.reason.sel{border-color:var(--acc);background:rgba(139,92,246,.14)}
.reason input{accent-color:var(--acc)}
.modal-actions{display:flex;gap:10px;margin-top:16px}
.modal-actions .btn{flex:1;padding:12px 10px;font-size:14px}
.report-done{text-align:center;padding:8px 0 2px}
.report-done .big-icon{font-size:46px;margin-bottom:10px}
.report-done p{color:var(--txt2);font-size:13.5px;line-height:1.55;margin-top:8px}
.lb-modal{background:transparent;border:none;padding:0;max-width:none;display:flex;align-items:center;justify-content:center}
#lightboxImg{max-width:92vw;max-height:82dvh;border-radius:14px;display:block}

/* ===== Toast ===== */
#toast{position:absolute;left:50%;bottom:96px;transform:translateX(-50%) translateY(16px);background:#232946;border:1px solid var(--line);color:var(--txt);font-size:13.5px;padding:11px 20px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:90;max-width:86%;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.4)}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:640px){
  .brand{font-size:31px}
  .msg-row{max-width:88%}
  .header-actions .btn{padding:11px 14px;font-size:13.5px}
  .btn-primary.big{width:100%;max-width:320px}
}