:root{color-scheme:dark;--bg:#070b14;--panel:#0d1423;--panel2:#121b2d;--text:#eef4ff;--muted:#93a2bd;--line:#202d45;--cyan:#28c8ff;--blue:#5278ff;--purple:#9854ff;--danger:#ff6f91;--ok:#62e3ad}*{box-sizing:border-box}html,body{margin:0;min-height:100%;max-width:100%;overflow-x:hidden;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:radial-gradient(circle at 15% 0,#0e1d38 0,#070b14 38%,#060810 100%);color:var(--text)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a{ -webkit-tap-highlight-color:transparent;touch-action:manipulation}.hidden{display:none!important}.primary,.secondary,.icon-btn,.send-btn{border:0;cursor:pointer}.primary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:13px;color:white;font-weight:800;background:linear-gradient(135deg,var(--cyan),var(--blue) 48%,var(--purple));box-shadow:0 8px 30px #5278ff2d}.primary:disabled{opacity:.38;cursor:not-allowed}.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:13px;background:#121c30;color:#dce8ff;border:1px solid var(--line);font-weight:750}.full{width:100%}.muted{color:var(--muted)}.tiny{font-size:.82rem}.brand-logo{width:min(540px,92%);height:auto}.brand-logo.small{width:290px;max-width:90%;margin:0 auto 10px;display:block}.landing,.auth-page{min-height:100dvh;display:grid;place-items:center;padding:28px}.hero-card{width:min(980px,100%);padding:clamp(28px,6vw,70px);border:1px solid #233253;border-radius:32px;background:linear-gradient(145deg,#0d1728eb,#0a0f1df4);box-shadow:0 30px 100px #0008;overflow:hidden;position:relative}.hero-card:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:#623dff22;filter:blur(30px);right:-160px;bottom:-220px}.eyebrow{display:inline-flex;margin-top:26px;padding:7px 11px;border:1px solid #33486c;border-radius:999px;color:#92cfff;font-size:.75rem;font-weight:850;letter-spacing:.12em}.hero-card h1{font-size:clamp(2.5rem,7vw,5.2rem);line-height:.98;margin:22px 0}.hero-card h1 span{background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;color:transparent}.hero-card>p{max-width:720px;color:#b5c2d7;font-size:1.1rem;line-height:1.7}.hero-actions,.trust-row{display:flex;gap:12px;flex-wrap:wrap}.hero-actions{margin-top:28px}.trust-row{margin-top:32px;color:#9cabc2;font-size:.88rem}.auth-card{width:min(460px,100%);background:#0d1423ec;border:1px solid #202e48;border-radius:26px;padding:30px;box-shadow:0 24px 80px #0007}.auth-card h1{text-align:center;margin:6px 0 6px}.auth-card>.muted{text-align:center}.auth-card form{display:grid;gap:9px;margin-top:20px;min-width:0}.auth-card form>*{min-width:0}.auth-card button{position:relative;z-index:2}.auth-card label{font-size:.87rem;color:#b7c4d9;font-weight:700;margin-top:6px}.auth-card input,.unlock-controls input,.searchbox input,.send-bar textarea,select{width:100%;border:1px solid #243450;background:#09111f;color:var(--text);border-radius:13px;padding:13px 14px;outline:none}.auth-card input:focus,.unlock-controls input:focus,.searchbox:focus-within,.send-bar textarea:focus{border-color:#557ef9;box-shadow:0 0 0 3px #5278ff22}.auth-links{display:flex;justify-content:space-between;gap:10px;margin-top:20px;color:#8fb9ff;font-size:.9rem}.notice{border-radius:13px;padding:11px 13px;margin:12px 0;font-size:.9rem}.notice.error{background:#45192a;border:1px solid #8b3654;color:#ffd5df}.notice.ok{background:#123a32;border:1px solid #286553;color:#cbffe9}.app-frame{min-height:100dvh;display:grid;grid-template-columns:390px 1fr}.side{border-right:1px solid var(--line);background:#09101ceF;display:flex;flex-direction:column;padding:18px}.brand-strip{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:11px;padding:5px 3px 18px}.brand-strip img{width:46px;border-radius:13px}.brand-strip strong{letter-spacing:.12em}.brand-strip small{display:block;color:var(--muted);margin-top:3px}.icon-btn{width:40px;height:40px;border-radius:12px;background:#111b2d;color:#c9d8ee;border:1px solid var(--line);display:grid;place-items:center;font-size:1.2rem}.new-chat{margin:5px 0 14px}.searchbox{display:flex;align-items:center;gap:8px;background:#0b1422;border:1px solid var(--line);border-radius:13px;padding:0 11px}.searchbox input{border:0;background:transparent;padding:12px 0;box-shadow:none!important}.chat-list{display:flex;flex-direction:column;gap:5px;margin-top:12px;overflow:auto}.chat-item{display:grid;grid-template-columns:50px 1fr auto;gap:12px;align-items:center;padding:11px;border-radius:16px}.chat-item:hover{background:#111c2f}.avatar{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#19395a,#513786);font-weight:900;color:#dbf4ff;border:1px solid #395077}.chat-meta strong,.contact strong{display:block}.chat-meta small,.contact small{display:block;color:var(--muted);margin-top:4px}.chev{font-size:1.7rem;color:#5f7391}.empty-state{text-align:center;color:var(--muted);padding:55px 20px}.empty-state span{font-size:2rem}.install{margin-top:auto}.welcome-pane{display:grid;place-content:center;text-align:center;padding:30px;color:var(--muted)}.welcome-pane h2{color:var(--text)}.welcome-pane p{max-width:520px;line-height:1.7}.welcome-icon{width:110px;margin:auto;border-radius:26px;box-shadow:0 16px 60px #5e5eff2e}.chat-page{height:100dvh;display:grid;grid-template-rows:auto auto auto 1fr auto;background:linear-gradient(#09111da8,#070b14),radial-gradient(circle at center,#101d33,#070b14 68%)}.chat-header{min-height:70px;border-bottom:1px solid var(--line);background:#09111eeF;display:grid;grid-template-columns:42px 46px 1fr 42px;align-items:center;gap:10px;padding:10px max(14px,env(safe-area-inset-right)) 10px max(14px,env(safe-area-inset-left));backdrop-filter:blur(16px)}.chat-header .avatar{width:42px;height:42px}.unlock-card{margin:12px auto 0;width:min(920px,calc(100% - 24px));border:1px solid #263858;border-radius:18px;background:#0c1626ed;padding:14px 16px;display:grid;gap:10px}.unlock-card p{margin:4px 0 0;color:var(--muted);font-size:.84rem;line-height:1.5}.unlock-controls{display:grid;grid-template-columns:1fr auto auto;gap:8px}.privacy-settings{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#8494ad;font-size:.78rem}.privacy-settings label{display:flex;align-items:center;gap:8px}.privacy-settings select{padding:6px 8px;width:auto}.chat-error{width:min(920px,calc(100% - 24px));margin:8px auto 0}.messages-area{width:min(920px,100%);margin:auto;padding:22px 14px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.bubble-row{display:flex}.bubble-row.mine{justify-content:flex-end}.bubble{max-width:min(74%,680px);padding:10px 12px 7px;border-radius:18px 18px 18px 5px;background:#151f31;border:1px solid #22324b;box-shadow:0 5px 16px #0002}.mine .bubble{border-radius:18px 18px 5px 18px;background:linear-gradient(145deg,#183b66,#343170);border-color:#38568b}.bubble-name{font-size:.72rem;font-weight:800;color:#91cfff;margin-bottom:4px}.bubble-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.45}.bubble-text.encrypted{font-family:ui-monospace,monospace;font-size:.72rem;color:#77879e;max-height:48px;overflow:hidden;filter:blur(.2px)}.bubble-time{text-align:right;color:#93a0b4;font-size:.68rem;margin-top:5px}.empty-messages{text-align:center;margin:auto;color:#72829b;padding:25px}.send-bar{width:min(920px,100%);margin:auto;display:grid;grid-template-columns:1fr 52px;gap:9px;padding:10px 14px max(12px,env(safe-area-inset-bottom));background:linear-gradient(transparent,#070b14 20%)}.send-bar textarea{resize:none;min-height:48px;max-height:120px}.send-btn{width:50px;height:50px;border-radius:50%;align-self:end;background:linear-gradient(135deg,var(--cyan),var(--purple));color:white;font-size:1.2rem}.send-btn:disabled{opacity:.35}.modal{position:fixed;inset:0;background:#000b;display:grid;place-items:center;padding:20px;z-index:50}.modal-card{position:relative;width:min(520px,100%);background:#0e1727;border:1px solid #2a3b5b;border-radius:24px;padding:28px;box-shadow:0 25px 90px #000}.modal-card img{width:72px;border-radius:20px}.modal-card p,.modal-card li{color:#aab8ce;line-height:1.55}.modal-close{position:absolute;right:14px;top:12px;border:0;background:transparent;color:white;font-size:1.8rem;cursor:pointer}@media(max-width:760px){.auth-card input{font-size:16px}.primary,.secondary{min-height:48px}.app-frame{grid-template-columns:1fr}.welcome-pane{display:none}.side{border:0;min-height:100dvh}.landing,.auth-page{padding:14px}.hero-card{border-radius:24px;padding:30px 22px}.unlock-card{border-radius:15px}.unlock-controls{grid-template-columns:1fr 1fr}.unlock-controls input{grid-column:1/-1}.privacy-settings{align-items:flex-start;flex-direction:column}.bubble{max-width:86%}.chat-header{grid-template-columns:40px 40px 1fr 40px}.auth-card{padding:24px 19px}}