:root{
  --bg:#0D1120; --panel:#161C30; --panel2:#1E2540; --line:#28304F;
  --text:#EDEEF4; --muted:#8A91AB; --faint:#5A6180;
  --gold:#F5A83C; --gold-deep:#D98A1F; --ember:#E4573F;
  --mine:#2C3866; --theirs:#1B2138; --ok:#59C98D;
  --disp:'Bricolage Grotesque',system-ui,sans-serif;
  --body:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:ui-monospace,'JetBrains Mono',Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{background:#070A14;font-family:var(--body);color:var(--text)}
#phone{max-width:430px;margin:0 auto;height:100dvh;background:var(--bg);position:relative;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 0 60px rgba(0,0,0,.6)}
.scr{position:absolute;inset:0;display:none;flex-direction:column;background:var(--bg)}
.scr.on{display:flex}
button{font-family:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--text)}
::placeholder{color:var(--faint)}
.mono{font-family:var(--mono)}
.hide{display:none!important}

/* ---------- onboarding ---------- */
#scr-onboard{background:
  radial-gradient(circle at 1px 1px, rgba(245,168,60,.10) 1px, transparent 1.6px) 0 0/26px 26px,
  radial-gradient(circle at 14px 14px, rgba(138,145,171,.07) 1px, transparent 1.6px) 0 0/26px 26px,
  linear-gradient(170deg,#121933 0%,#0D1120 55%,#0B0E1B 100%);
  padding:max(env(safe-area-inset-top),28px) 26px 34px;justify-content:flex-end;overflow-y:auto}
.ob-logo{font-family:var(--disp);font-weight:800;font-size:15px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;display:flex;align-items:center;gap:8px}
.ob-logo svg{flex:none}
.ob-h1{font-family:var(--disp);font-weight:800;font-size:clamp(34px,9.5vw,42px);line-height:1.06;margin:18px 0 14px;letter-spacing:-.01em}
.ob-h1 em{font-style:normal;color:var(--gold)}
.ob-points{list-style:none;margin:6px 0 26px;display:grid;gap:11px}
.ob-points li{display:flex;gap:11px;align-items:flex-start;color:var(--muted);font-size:14.5px;line-height:1.45}
.ob-points b{color:var(--text);font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;background:var(--gold);margin-top:6px;flex:none}
.field label{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);margin-bottom:7px}
.field input{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 15px}
.field input:focus{outline:none;border-color:var(--gold)}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:15px;border-radius:13px;font-size:16px;font-weight:700;background:var(--gold);color:#20160A;transition:transform .08s}
.btn:active{transform:scale(.985)}
.btn.ghost{background:var(--panel);color:var(--text);border:1px solid var(--line);font-weight:600}
.btn.danger{background:transparent;color:var(--ember);border:1px solid rgba(228,87,63,.4)}
.ob-note{font-size:12px;color:var(--faint);text-align:center;margin-top:13px}
/* identity card reveal */
#ob-card{background:linear-gradient(160deg,#1C2440,#141A2E);border:1px solid var(--line);border-radius:18px;padding:20px;margin:4px 0 20px;position:relative;overflow:hidden}
#ob-card::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 1px 1px, rgba(245,168,60,.12) 1px, transparent 1.6px) 0 0/18px 18px;pointer-events:none}
.card-eyebrow{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.card-id{font-family:var(--mono);font-size:22px;font-weight:600;letter-spacing:.04em;margin:9px 0 3px}
.card-name{color:var(--muted);font-size:14px}
.card-hint{font-size:12px;color:var(--faint);margin-top:13px;line-height:1.5;position:relative}

/* ---------- main shell ---------- */
.top{display:flex;align-items:center;gap:12px;padding:calc(env(safe-area-inset-top) + 12px) 16px 12px;background:var(--bg)}
.top .brand{font-family:var(--disp);font-weight:800;font-size:20px;letter-spacing:-.01em;flex:1}
.brand span{color:var(--gold)}
.icon-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.icon-btn:active{background:var(--panel2)}
.avatar{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#141A2E;flex:none;position:relative}
.avatar.small{width:30px;height:30px;font-size:12px}
.tabs{display:flex;border-top:1px solid var(--line);background:var(--panel);padding-bottom:env(safe-area-inset-bottom)}
.tab{flex:1;padding:10px 0 12px;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;color:var(--faint);font-weight:600}
.tab.on{color:var(--gold)}
.tab svg{opacity:.9}
.tabpane{flex:1;overflow-y:auto;display:none}
.tabpane.on{display:block}

/* chats list */
.search{margin:2px 16px 10px;background:var(--panel);border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;gap:9px;padding:0 13px}
.search input{flex:1;background:none;border:none;padding:11px 0}
.search input:focus{outline:none}
.chat-row{display:flex;gap:13px;padding:12px 16px;align-items:center}
.chat-row:active{background:var(--panel)}
.chat-mid{flex:1;min-width:0}
.chat-name{font-weight:650;font-size:15.5px;display:flex;align-items:center;gap:6px}
.chat-last{color:var(--muted);font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.chat-side{display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.chat-time{font-size:11.5px;color:var(--faint)}
.badge{min-width:19px;height:19px;border-radius:10px;background:var(--gold);color:#20160A;font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center;padding:0 5px}
.vtag{font-size:10px;color:var(--ok);border:1px solid rgba(89,201,141,.35);border-radius:5px;padding:0 4px;font-weight:700}
.empty{padding:50px 30px;text-align:center;color:var(--faint);font-size:14px;line-height:1.6}
.empty b{color:var(--muted)}

/* connect tab */
.sect{padding:6px 16px 18px}
.sect h3{font-family:var(--disp);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-weight:700;margin:14px 0 10px}
.qr-card{background:linear-gradient(160deg,#1C2440,#141A2E);border:1px solid var(--line);border-radius:18px;padding:18px;text-align:center}
.qr-wrap{background:#fff;border-radius:14px;padding:10px;display:inline-block;margin:10px 0 12px}
.qr-wrap svg{display:block;width:180px;height:180px}
.myid{font-family:var(--mono);font-size:17px;letter-spacing:.05em;color:var(--gold)}
.qr-sub{font-size:12px;color:var(--faint);margin-top:6px;line-height:1.5}
.row2{display:flex;gap:10px;margin-top:10px}
.row2 .btn{padding:12px;font-size:14px}
.addrow{display:flex;gap:9px}
.addrow input{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:12px 13px;font-family:var(--mono);font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.addrow input:focus{outline:none;border-color:var(--gold)}
.addrow .btn{width:auto;padding:12px 18px;font-size:14px}
.invite-box{background:var(--panel);border:1px dashed var(--line);border-radius:12px;padding:13px;display:flex;align-items:center;gap:10px;margin-top:10px}
.invite-box .lnk{flex:1;font-family:var(--mono);font-size:12.5px;color:var(--text);word-break:break-all}
.invite-box .ttl{font-size:11px;color:var(--ember);font-weight:700;white-space:nowrap}

/* privacy tab */
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin:0 0 12px;overflow:hidden}
.pcard .ph{padding:13px 15px 4px;font-weight:700;font-size:14.5px}
.pcard .ps{padding:0 15px 12px;color:var(--faint);font-size:12.5px;line-height:1.5}
.prow{display:flex;justify-content:space-between;align-items:center;padding:11px 15px;border-top:1px solid var(--line);font-size:14px}
.prow .k{color:var(--muted)}
.prow .v{font-weight:650}
.v.no{color:var(--ok)}
.v.rel{color:var(--gold)}
.prow select{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:13px}
.fp{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.03em;line-height:1.7;word-break:break-all}

/* ---------- chat screen ---------- */
#chat-top{display:flex;align-items:center;gap:10px;padding:calc(env(safe-area-inset-top) + 8px) 12px 8px;background:var(--panel);border-bottom:1px solid var(--line)}
.chat-title{flex:1;min-width:0}
.chat-title .n{font-weight:700;font-size:15.5px;display:flex;align-items:center;gap:6px}
.chat-title .s{font-size:11.5px;color:var(--gold);display:flex;align-items:center;gap:4px;margin-top:1px}
.chat-title .s.typing{color:var(--ok)}
#msgs{flex:1;overflow-y:auto;padding:12px 12px 6px;display:flex;flex-direction:column;gap:3px;background:
  radial-gradient(circle at 1px 1px, rgba(138,145,171,.05) 1px, transparent 1.6px) 0 0/22px 22px, var(--bg)}
.daychip{align-self:center;background:var(--panel);color:var(--faint);font-size:11px;padding:4px 11px;border-radius:9px;margin:9px 0;font-weight:600}
.enc-note{align-self:center;max-width:86%;text-align:center;background:rgba(245,168,60,.08);border:1px solid rgba(245,168,60,.22);color:var(--gold);font-size:11.5px;line-height:1.5;padding:8px 13px;border-radius:11px;margin:4px 0 10px}
.brow{display:flex;margin:1.5px 0}
.brow.mine{justify-content:flex-end}
.bub{max-width:78%;padding:8px 11px 6px;border-radius:14px;font-size:14.5px;line-height:1.4;position:relative;word-wrap:break-word}
.brow.mine .bub{background:var(--mine);border-bottom-right-radius:5px}
.brow.theirs .bub{background:var(--theirs);border-bottom-left-radius:5px}
.meta{display:flex;justify-content:flex-end;align-items:center;gap:4px;margin-top:3px;font-size:10.5px;color:var(--faint)}
.tick{font-size:11px;letter-spacing:-.12em;color:var(--faint)}
.tick.read{color:var(--gold)}
.bub img{max-width:100%;border-radius:9px;display:block;margin-bottom:4px}
.quote{border-left:3px solid var(--gold);background:rgba(0,0,0,.22);border-radius:7px;padding:5px 9px;font-size:12.5px;color:var(--muted);margin-bottom:6px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.quote b{display:block;color:var(--gold);font-size:11px;margin-bottom:1px}
/* burn messages */
.bub.burnable{border:1px dashed rgba(228,87,63,.55);background:rgba(228,87,63,.10)}
.burn-cover{display:flex;align-items:center;gap:9px;padding:3px 2px;color:var(--ember);font-weight:650;font-size:13.5px}
.burn-bar{height:3px;border-radius:2px;background:rgba(228,87,63,.25);margin:7px 0 3px;overflow:hidden}
.burn-bar i{display:block;height:100%;background:var(--ember);width:100%;transform-origin:left}
@keyframes burnbar{from{transform:scaleX(1)}to{transform:scaleX(0)}}
@keyframes burnout{0%{opacity:1;filter:none}55%{filter:sepia(.9) hue-rotate(-28deg) saturate(2.4) contrast(1.1)}100%{opacity:0;transform:scale(.92) translateY(3px);filter:sepia(1) hue-rotate(-30deg) blur(2px)}}
.burning{animation:burnout 1.1s ease-in forwards}
.burned-stub{color:var(--faint);font-size:12.5px;font-style:italic;display:flex;gap:6px;align-items:center}
/* typing */
.typing-b .bub{display:flex;gap:4px;padding:12px 14px}
.td{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:tb 1.1s infinite}
.td:nth-child(2){animation-delay:.18s}.td:nth-child(3){animation-delay:.36s}
@keyframes tb{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:1}}
/* composer */
#composer{background:var(--panel);border-top:1px solid var(--line);padding:8px 10px calc(env(safe-area-inset-bottom) + 8px)}
#reply-bar{display:none;align-items:center;gap:9px;background:var(--panel2);border-radius:10px;padding:7px 11px;margin-bottom:7px}
#reply-bar.on{display:flex}
#reply-bar .q{flex:1;min-width:0;font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#reply-bar .q b{color:var(--gold);display:block;font-size:11px}
.comp-row{display:flex;align-items:flex-end;gap:8px}
#burn-toggle{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:19px;filter:grayscale(1);opacity:.55;transition:.15s;flex:none}
#burn-toggle.on{filter:none;opacity:1;background:rgba(228,87,63,.15);box-shadow:0 0 0 1px rgba(228,87,63,.5) inset}
#attach-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);flex:none}
#msg-in{flex:1;background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:10px 15px;max-height:110px;resize:none;line-height:1.35}
#msg-in:focus{outline:none;border-color:var(--gold)}
#send-btn{width:42px;height:42px;border-radius:50%;background:var(--gold);color:#20160A;display:flex;align-items:center;justify-content:center;flex:none}
#send-btn:active{transform:scale(.94)}
#burn-hint{font-size:11px;color:var(--ember);padding:5px 4px 0;display:none;font-weight:600}
#burn-hint.on{display:block}

/* ---------- sheets / modals ---------- */
#backdrop{position:absolute;inset:0;background:rgba(4,6,12,.62);opacity:0;pointer-events:none;transition:.2s;z-index:40}
#backdrop.on{opacity:1;pointer-events:auto}
.sheet{position:absolute;left:0;right:0;bottom:0;background:var(--panel);border-radius:20px 20px 0 0;padding:10px 18px calc(env(safe-area-inset-bottom) + 20px);transform:translateY(105%);transition:transform .24s cubic-bezier(.3,.9,.3,1);z-index:50;max-height:82%;overflow-y:auto}
.sheet.on{transform:translateY(0)}
.grab{width:38px;height:4px;border-radius:3px;background:var(--line);margin:2px auto 14px}
.sheet h2{font-family:var(--disp);font-weight:700;font-size:18px;margin-bottom:4px}
.sheet .sub{color:var(--faint);font-size:13px;margin-bottom:14px;line-height:1.5}
.p-row{display:flex;align-items:center;gap:12px;padding:11px 4px;border-radius:11px}
.p-row:active{background:var(--panel2)}
.p-row .pm{flex:1}
.p-row .pn{font-weight:650;font-size:15px}
.p-row .pid{font-family:var(--mono);font-size:12px;color:var(--faint)}
.p-row .cur{color:var(--gold);font-size:12px;font-weight:700}
.mi-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.mi-row:last-child{border:none}
.mi-row .k{color:var(--faint)}
.mi-row .v{text-align:right;font-weight:600}
.menu-it{display:flex;align-items:center;gap:12px;padding:13px 6px;font-size:15px;font-weight:600;border-radius:11px}
.menu-it:active{background:var(--panel2)}
.menu-it.red{color:var(--ember)}
/* toast */
#toast{position:absolute;left:50%;bottom:92px;transform:translate(-50%,14px);background:#242C4C;border:1px solid var(--line);color:var(--text);font-size:13.5px;font-weight:600;padding:11px 17px;border-radius:12px;opacity:0;transition:.22s;z-index:70;pointer-events:none;max-width:86%;text-align:center}
#toast.on{opacity:1;transform:translate(-50%,0)}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}