:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;--canvas:#eef2f0;--surface:#fbfdfc;--surface-raised:#f4f8f6;--surface-strong:#e4ebe7;--text:#171d1a;--text-soft:#58645e;--text-faint:#6b7871;--line:#cfd8d3;--line-strong:#b7c3bd;--accent:#0b7d53;--accent-hover:#096a47;--accent-soft:#d9f1e5;--accent-text:#f7fff9;--danger:#b53f3f;--danger-soft:#f8dfdd;--warning:#8b641d;--shadow:#12261d21;--radius:6px;color:var(--text);background:var(--canvas);font-family:Segoe UI Variable,Microsoft YaHei UI,PingFang SC,system-ui,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--canvas:#0d1210;--surface:#131a17;--surface-raised:#18211d;--surface-strong:#202b26;--text:#edf5f1;--text-soft:#a7b8b0;--text-faint:#8d9f96;--line:#2c3933;--line-strong:#3a4a43;--accent:#36c98a;--accent-hover:#55d79e;--accent-soft:#173f2f;--accent-text:#071710;--danger:#ff7771;--danger-soft:#482523;--warning:#e0b35d;--shadow:#00000059}*{box-sizing:border-box;letter-spacing:0}html{background:var(--canvas);min-width:320px;min-height:100%}body{background:var(--canvas);min-width:320px;min-height:100%;margin:0;overflow:hidden}button,input,textarea{font:inherit}button{color:inherit}button,input,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid color-mix(in srgb, var(--accent) 36%, transparent);outline-offset:2px}button:active:not(:disabled){transform:translateY(1px)}button:disabled,textarea:disabled,input:disabled{cursor:not-allowed;opacity:.48}img,video{max-width:100%;display:block}#app,.start-screen,.chat-app{min-height:100dvh}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.icon-button{border-radius:var(--radius);width:40px;height:40px;color:var(--text-soft);cursor:pointer;background:0 0;border:1px solid #0000;flex:0 0 40px;place-items:center;padding:0;transition:color .15s,background-color .15s,border-color .15s,transform .1s;display:inline-grid;position:relative}.icon-button:hover:not(:disabled),.icon-button.is-active{color:var(--text);border-color:var(--line);background:var(--surface-raised)}.icon-button.is-danger{color:var(--danger)}.icon-button:after{content:attr(data-tooltip);z-index:20;border:1px solid var(--line);width:max-content;max-width:180px;color:var(--text);background:var(--surface);box-shadow:0 8px 20px var(--shadow);pointer-events:none;opacity:0;border-radius:4px;padding:6px 8px;font-size:12px;line-height:1.2;transition:opacity .12s,transform .12s;position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%,-3px)}.icon-button:hover:after,.icon-button:focus-visible:after{opacity:1;transform:translate(-50%)}.start-screen{padding:env(safe-area-inset-top) max(24px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(24px, env(safe-area-inset-left));background:var(--canvas);flex-direction:column;display:flex}.start-header{justify-content:space-between;align-items:center;width:100%;max-width:1180px;height:72px;margin:0 auto;display:flex}.brand-lockup,.sidebar-brand{align-items:center;gap:10px;font-size:15px;font-weight:650;display:flex}.brand-mark{border-radius:var(--radius);object-fit:cover;width:32px;height:32px}.start-layout{width:100%;max-width:1180px;min-height:calc(100dvh - 72px - env(safe-area-inset-top) - env(safe-area-inset-bottom));grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);align-items:stretch;margin:0 auto;display:grid}.start-brand{align-items:center;gap:32px;min-width:0;padding:48px 72px 72px 16px;display:flex}.start-logo{object-fit:cover;width:112px;height:112px;box-shadow:0 18px 44px var(--shadow);border-radius:18px;flex:0 0 112px}.product-name{color:var(--accent);margin:0 0 18px;font-family:ui-monospace,Cascadia Code,monospace;font-size:12px;font-weight:700}.start-brand h1{max-width:540px;margin:0;font-size:48px;font-weight:690;line-height:1.08}.start-status{color:var(--text-soft);margin:20px 0 0;font-size:17px;line-height:1.6}.start-action{border-left:1px solid var(--line);flex-direction:column;justify-content:center;padding:56px 16px 72px 72px;display:flex}.start-action form{width:100%;max-width:390px}.field-label{color:var(--text);margin:0 0 9px;font-size:14px;font-weight:650;display:block}.text-input{border:1px solid var(--line-strong);border-radius:var(--radius);width:100%;height:50px;color:var(--text);background:var(--surface);padding:0 14px;transition:border-color .15s,background-color .15s}.text-input::placeholder,.composer textarea::placeholder{color:var(--text-faint);opacity:1}.text-input:hover:not(:disabled),.text-input:focus{border-color:var(--accent)}.form-error{color:var(--danger);margin:10px 0 0;font-size:13px;line-height:1.5}.primary-command,.secondary-command,.call-command{border-radius:var(--radius);cursor:pointer;justify-content:center;align-items:center;gap:10px;min-height:46px;font-weight:670;transition:background-color .15s,border-color .15s,color .15s,transform .1s;display:inline-flex}.primary-command{border:1px solid var(--accent);width:100%;color:var(--accent-text);background:var(--accent);margin-top:18px;padding:0 15px}.primary-command:hover:not(:disabled){border-color:var(--accent-hover);background:var(--accent-hover)}.command-arrow{margin-left:auto}.secondary-command{border:1px solid var(--line-strong);color:var(--text);background:var(--surface);padding:0 15px}.secondary-command:hover:not(:disabled){border-color:var(--accent);color:var(--accent);background:var(--surface-raised)}.start-constraint{max-width:390px;color:var(--text-faint);margin:18px 0 0;font-size:13px;line-height:1.6}.chat-app{background:var(--canvas);grid-template-columns:280px minmax(0,1fr);display:grid;overflow:hidden}.chat-sidebar{border-right:1px solid var(--line);background:var(--surface);flex-direction:column;min-width:0;height:100dvh;display:flex}.sidebar-brand{border-bottom:1px solid var(--line);height:72px;padding:0 18px}.sidebar-brand img{border-radius:var(--radius);object-fit:cover;width:30px;height:30px}.room-list{flex:1;padding:12px;overflow-y:auto}.room-row{border-radius:var(--radius);width:100%;min-height:68px;color:var(--text);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;grid-template-columns:40px minmax(0,1fr) 18px;align-items:center;gap:10px;padding:9px 10px;display:grid}.room-row.is-current{border-color:var(--line);background:var(--surface-raised)}.room-avatar,.header-avatar{color:var(--accent-text);background:var(--accent);border-radius:50%;place-items:center;font-weight:750;display:grid}.room-avatar{width:40px;height:40px;font-size:13px}.room-row-copy{min-width:0}.room-row-copy strong,.room-row-copy small{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.room-row-copy strong{font-size:14px}.room-row-copy small{color:var(--text-faint);margin-top:4px;font-size:12px}.room-row>svg{color:var(--accent)}.sidebar-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:8px;min-height:64px;padding:10px 12px;display:flex}.ephemeral-state{min-width:0;color:var(--text-soft);align-items:center;gap:8px;font-size:12px;display:flex}.ephemeral-state svg{color:var(--accent);flex:none}.conversation{background:var(--canvas);grid-template-rows:72px minmax(0,1fr) auto;min-width:0;height:100dvh;display:grid}.conversation-header{border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--surface) 96%, transparent);justify-content:space-between;align-items:center;gap:18px;min-width:0;padding:0 18px 0 20px;display:flex}.peer-heading{align-items:center;gap:11px;min-width:0;display:flex}.header-avatar{flex:0 0 38px;width:38px;height:38px;font-size:12px}.peer-heading>div{min-width:0}.peer-heading h1,.peer-heading p{text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.peer-heading h1{font-size:15px;font-weight:700}.peer-heading p{color:var(--text-faint);margin-top:3px;font-size:12px}.header-tools{flex:none;align-items:center;gap:4px;height:40px;display:flex}.message-region{overscroll-behavior:contain;scrollbar-color:var(--line-strong) transparent;min-height:0;overflow-y:auto}.invite-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:100%;padding:36px 24px;display:flex}.invite-state img,.qr-placeholder{border:1px solid var(--line);border-radius:var(--radius);width:210px;height:210px;box-shadow:0 16px 40px var(--shadow);background:#fdfefd}.invite-state h2{margin:26px 0 0;font-size:22px;line-height:1.25}.invite-state p{max-width:100%;color:var(--text-faint);text-overflow:ellipsis;margin:9px 0 20px;font-family:ui-monospace,Cascadia Code,monospace;font-size:12px;overflow:hidden}.message-column{width:min(820px,100%);min-height:100%;margin:0 auto;padding:28px 24px 18px}.system-message{width:-moz-fit-content;width:fit-content;max-width:80%;color:var(--text-faint);background:var(--surface-strong);text-align:center;border-radius:4px;margin:16px auto;padding:6px 9px;font-size:11px;line-height:1.4}.message-row{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);width:-moz-fit-content;width:fit-content;max-width:min(72%,610px);box-shadow:0 4px 14px color-mix(in srgb, var(--shadow) 55%, transparent);margin:10px 0;padding:10px 12px 7px}.message-row.is-local{border-color:color-mix(in srgb, var(--accent) 35%, var(--line));background:var(--accent-soft);margin-left:auto}.message-row p{overflow-wrap:anywhere;white-space:pre-wrap;margin:0;font-size:14px;line-height:1.55}.message-row footer{min-height:16px;color:var(--text-faint);justify-content:flex-end;align-items:center;gap:4px;margin-top:4px;display:flex}.message-row time{font-size:10px}.message-row footer svg{color:var(--accent)}.typing-row{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);justify-content:center;align-items:center;gap:4px;width:48px;height:30px;margin:10px 0;display:flex}.typing-row span{background:var(--text-faint);border-radius:50%;width:5px;height:5px;animation:.9s ease-in-out infinite typing}.typing-row span:nth-child(2){animation-delay:.12s}.typing-row span:nth-child(3){animation-delay:.24s}@keyframes typing{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.composer{min-height:72px;padding:12px max(18px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));border-top:1px solid var(--line);background:var(--surface);grid-template-columns:minmax(0,1fr) 44px;align-items:end;gap:8px;display:grid}.composer textarea{resize:none;border:1px solid var(--line-strong);border-radius:var(--radius);width:100%;height:44px;max-height:112px;color:var(--text);background:var(--canvas);padding:10px 12px;line-height:1.45;overflow-y:auto}.composer textarea:focus{border-color:var(--accent)}.composer .icon-button{width:44px;height:44px;color:var(--accent-text);border-color:var(--accent);background:var(--accent)}.composer .icon-button:hover:not(:disabled){color:var(--accent-text);border-color:var(--accent-hover);background:var(--accent-hover)}.error-toast{z-index:60;border:1px solid var(--danger);border-radius:var(--radius);width:min(410px,100% - 40px);min-height:48px;color:var(--text);background:var(--danger-soft);box-shadow:0 16px 42px var(--shadow);justify-content:space-between;align-items:center;gap:12px;padding:11px 12px 11px 14px;font-size:13px;display:flex;position:fixed;bottom:20px;right:20px}.error-toast span{overflow-wrap:anywhere;min-width:0}.error-toast button{color:var(--danger);cursor:pointer;background:0 0;border:0;border-radius:4px;flex:none;padding:6px 8px;font-weight:700}.drawer-layer{z-index:50;background:#070c0a7a;justify-content:flex-end;display:flex;position:fixed;inset:0}.security-drawer{border-left:1px solid var(--line);background:var(--surface);width:min(420px,100%);height:100dvh;box-shadow:-18px 0 48px var(--shadow);overflow-y:auto}.drawer-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:72px;padding:0 14px 0 20px;display:flex}.drawer-header>div{align-items:center;gap:10px;display:flex}.drawer-header>div>svg{color:var(--accent)}.drawer-header h2{margin:0;font-size:17px}.drawer-content{flex-direction:column;align-items:center;padding:28px 24px 40px;display:flex}.verification-qr{border:1px solid var(--line);border-radius:var(--radius);background:#fdfefd;width:184px;height:184px}.safety-number{width:100%;color:var(--text);text-align:center;grid-template-columns:repeat(3,1fr);gap:8px 12px;margin:26px 0 18px;font-family:ui-monospace,Cascadia Code,monospace;font-size:15px;font-weight:650;display:grid}.drawer-content .secondary-command{width:100%}.verify-check{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-raised);cursor:pointer;align-items:center;gap:10px;width:100%;min-height:48px;margin:24px 0 0;padding:0 12px;font-size:13px;display:flex}.verify-check input{width:17px;height:17px;accent-color:var(--accent)}.security-details{width:100%;margin:24px 0 0}.security-details>div{border-bottom:1px solid var(--line);grid-template-columns:88px minmax(0,1fr);gap:12px;padding:12px 0;display:grid}.security-details>div:last-child{border-bottom:0}.security-details dt,.security-details dd{margin:0;font-size:12px}.security-details dt{color:var(--text-faint)}.security-details dd{text-overflow:ellipsis;white-space:nowrap;text-align:right;min-width:0;font-family:ui-monospace,Cascadia Code,monospace;overflow:hidden}.verified-text{color:var(--accent);font-weight:700;font-family:inherit!important}.call-stage{z-index:70;color:#edf5f1;background:#0b100e;position:fixed;inset:0;overflow:hidden}.remote-media,.remote-media video{width:100%;height:100%}.remote-media{place-items:center;display:grid}.remote-media video{object-fit:cover}.call-avatar{color:#071710;background:#36c98a;border:1px solid #355047;border-radius:50%;place-items:center;width:128px;height:128px;font-size:38px;font-weight:760;display:grid}.call-header{top:max(28px, env(safe-area-inset-top));text-align:center;width:min(560px,100% - 40px);position:absolute;left:50%;transform:translate(-50%)}.call-header p,.call-header h2{text-shadow:0 2px 14px #000000b8;margin:0}.call-header p{color:#b7c7c0;font-size:13px}.call-header h2{margin-top:6px;font-size:24px}.local-preview{right:max(24px, env(safe-area-inset-right));bottom:max(112px, calc(env(safe-area-inset-bottom) + 96px));aspect-ratio:3/4;border-radius:var(--radius);object-fit:cover;background:#151d1a;border:1px solid #52665e;width:168px;position:absolute;box-shadow:0 14px 40px #00000070}.call-controls{bottom:max(30px, env(safe-area-inset-bottom));border-radius:var(--radius);background:#0f1613e0;border:1px solid #33423c;justify-content:center;align-items:center;gap:10px;min-height:62px;padding:10px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.call-controls .icon-button{color:#dbe8e2;background:#202b27;border-color:#3b4c45;flex-basis:46px;width:46px;height:46px}.call-controls .icon-button:hover:not(:disabled),.call-controls .icon-button.is-active{color:#edf5f1;background:#2a3832;border-color:#53675e}.call-controls .hangup-button{color:#fff1f0;background:#c64a47;border-color:#c64a47}.call-controls .hangup-button:hover:not(:disabled){color:#fff1f0;background:#df5c57;border-color:#df5c57}.call-command{min-width:118px;min-height:48px;padding:0 18px}.accept-call{color:#071710;background:#36c98a;border:1px solid #36c98a}.reject-call{color:#fff4f3;background:#c64a47;border:1px solid #d85a55}@media (max-width:900px){.start-brand{gap:22px;padding-right:42px}.start-logo{flex-basis:88px;width:88px;height:88px}.start-brand h1{font-size:38px}.start-action{padding-left:42px}}@media (max-width:760px){body{overflow:hidden}.icon-button:after{display:none}.start-screen{padding-left:16px;padding-right:16px}.start-header{height:64px}.brand-lockup span{font-size:14px}.start-layout{min-height:calc(100dvh - 64px - env(safe-area-inset-top) - env(safe-area-inset-bottom));grid-template-columns:1fr;align-content:center}.start-brand{align-items:flex-start;gap:16px;padding:28px 0 24px}.start-logo{border-radius:12px;flex-basis:66px;width:66px;height:66px}.product-name{margin-bottom:9px;font-size:10px}.start-brand h1{font-size:30px}.start-status{margin-top:10px;font-size:14px}.start-action{border-top:1px solid var(--line);border-left:0;padding:28px 0 36px}.start-action form,.start-constraint{max-width:none}.chat-app{grid-template-columns:minmax(0,1fr)}.chat-sidebar{display:none}.conversation{grid-template-rows:64px minmax(0,1fr) auto}.conversation-header{gap:8px;padding:0 8px 0 12px}.header-avatar{flex-basis:34px;width:34px;height:34px}.peer-heading{gap:8px}.peer-heading h1{max-width:120px;font-size:14px}.header-tools{gap:0}.header-tools .icon-button{flex-basis:36px;width:36px;height:40px}.message-column{padding:20px 12px 14px}.message-row{max-width:86%}.composer{min-height:68px;padding-top:10px;padding-right:max(10px, env(safe-area-inset-right));padding-left:max(10px, env(safe-area-inset-left));grid-template-columns:minmax(0,1fr) 42px}.composer textarea,.composer .icon-button{height:42px}.composer .icon-button{width:42px}.error-toast{right:12px;bottom:calc(80px + env(safe-area-inset-bottom));width:calc(100% - 24px)}.security-drawer{border-left:0;width:100%}.local-preview{right:max(14px, env(safe-area-inset-right));bottom:max(108px, calc(env(safe-area-inset-bottom) + 88px));width:116px}.call-controls{bottom:max(18px, env(safe-area-inset-bottom))}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (prefers-reduced-transparency:reduce){.conversation-header,.call-controls{background:var(--surface)}}