:root{color-scheme:dark;--bg:#090b10;--panel:#11141c;--panel2:#181c26;--line:#252b38;--text:#f3f5fa;--muted:#8992a6;--accent:#1677ff;--green:#45d6a0;--danger:#ff6078}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;width:100%;height:100%;height:100dvh;overscroll-behavior:none;background:var(--bg)}body{background:radial-gradient(circle at top,#111d3b,var(--bg) 43%);color:var(--text);font:15px system-ui,-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",sans-serif;overflow:hidden;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;touch-action:manipulation}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;min-height:44px}.hidden{display:none!important}#launch{position:fixed;z-index:9999;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);background:#090b10;transition:opacity .22s ease}#launch img{width:112px;height:112px;border-radius:25%;box-shadow:0 20px 70px #086cff44}#launch b{margin-top:12px;letter-spacing:.16em}#launch.ready{opacity:0;pointer-events:none}.center{display:grid;place-items:center;height:100%;padding:max(20px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}.card{background:rgba(17,20,28,.96);border:1px solid var(--line);box-shadow:0 24px 80px #0008;border-radius:24px;padding:32px}.auth{width:min(420px,100%);text-align:center}.brand-icon{width:68px;height:68px;border-radius:18px;box-shadow:0 10px 35px #0878ff33}h1{letter-spacing:.12em;font-size:22px}.muted,small{color:var(--muted);display:block}.tabs{display:flex;background:#0b0e14;border-radius:12px;margin:25px 0 14px;padding:3px}.tabs button,nav button{flex:1;border:0;background:transparent;padding:10px;color:var(--muted)}.tabs .active,nav .active{color:#fff;background:var(--panel2);border-radius:9px}input,textarea,select{width:100%;background:#0c0f16;border:1px solid var(--line);border-radius:12px;padding:13px;outline:none;margin:6px 0;font-size:16px}input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1677ff22}.primary{border:0;border-radius:12px;padding:12px 18px;background:var(--accent);font-weight:700}.auth .primary{width:100%;margin-top:10px}.error{color:var(--danger);min-height:20px}.shell{height:100%;height:100dvh;display:grid;grid-template-columns:340px 1fr;max-width:1300px;margin:auto;background:var(--panel);border-inline:1px solid var(--line);padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-left:env(safe-area-inset-left)}aside{border-right:1px solid var(--line);overflow:auto;overscroll-behavior:contain}header{height:70px;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--line)}header small{margin-top:3px}.icon,.security,.close{border:0;background:transparent}.search{padding:12px}.search input{margin:0}.result,.contact{display:flex;align-items:center;gap:12px;min-height:62px;padding:13px;border-bottom:1px solid var(--line);cursor:pointer}.avatar{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#2658bf,#1485a0);font-weight:bold}.result button{margin-left:auto}.result:hover,.contact:hover{background:var(--panel2)}nav{display:flex;border-bottom:1px solid var(--line)}.chat{position:relative;min-width:0}.empty{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted)}.lock{font-size:44px}.full{height:100%;display:flex;flex-direction:column;min-height:0}.chat header{background:#11141cf5;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.chat header>div{flex:1}.security{color:var(--green)}.e2ee{text-align:center;color:var(--green);font-size:12px;padding:6px;background:#10231e}#messages{flex:1;min-height:0;overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:18px;display:flex;flex-direction:column;gap:8px}.bubble{max-width:min(75%,520px);background:var(--panel2);padding:10px 13px;border-radius:17px 17px 17px 5px;overflow-wrap:anywhere}.bubble.me{align-self:flex-end;background:#174ea6;border-radius:17px 17px 5px 17px}.bubble small{text-align:right;margin-top:4px;font-size:10px}.typing{height:20px;padding-left:18px;color:var(--muted);font-size:12px}#composer{flex:0 0 auto;padding:8px 14px max(8px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#11141cf5;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}#composer>div{display:flex;gap:8px;align-items:end}#composer textarea{resize:none;margin:0;max-height:120px}#expiry{width:auto;padding:5px;font-size:12px;margin:0 0 5px;min-height:32px}dialog{width:min(480px,calc(100% - 30px));max-height:calc(100dvh - max(30px,env(safe-area-inset-top)) - max(30px,env(safe-area-inset-bottom)));overflow:auto;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:20px;padding:25px}dialog::backdrop{background:#000b;backdrop-filter:blur(5px)}.close{float:right;font-size:25px}code{display:block;padding:14px;background:#080a0e;border-radius:10px;word-break:break-all;line-height:1.7}.warning{color:#ffbf69}.danger{color:#fff;background:var(--danger);border:0;border-radius:10px;padding:10px 16px}.pwa-setting{margin:22px 0;padding:16px;background:var(--panel2);border-radius:14px}.pwa-setting .primary{margin-top:12px}.pwa-setting p{margin-bottom:0}@media(display-mode:standalone){body{user-select:none;-webkit-user-select:none}input,textarea,code,.bubble span{user-select:text;-webkit-user-select:text}}@media(max-width:700px){.shell{display:block}.shell aside{height:100%;border:0;padding-bottom:env(safe-area-inset-bottom)}.chat{position:absolute;inset:0;padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-left:env(safe-area-inset-left);background:var(--panel);transform:translate3d(100%,0,0);transition:transform .22s cubic-bezier(.2,.8,.2,1);will-change:transform}.chat.open{transform:translate3d(0,0,0)}.card{padding:25px}.bubble{max-width:85%}header{padding-inline:14px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}