.shell{--fg:#1a1a1a;--bg:#fff;--bg1:#f8f9fa;--muted:#6c757d;--blue:#00d0ff;--spring:#62b558;--border:#dee2e6;--light-blue:#e3f2fd;--light-green:#e8f5e8;min-height:100dvh;padding:2px 2px env(safe-area-inset-bottom);color:var(--fg);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,"MS Sans Serif",sans-serif;font-size:16px;line-height:1.5}.shell,.window{background:var(--bg);position:relative;overflow:hidden}.window{display:grid;grid-template-rows:48px 1fr auto;max-width:980px;height:100dvh;margin:0 auto;border:1px solid var(--border);border-radius:8px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.1);z-index:1}.titlebar{padding:0 16px;background:var(--spring);border-bottom:1px solid var(--border);-webkit-user-select:none;-moz-user-select:none;user-select:none;font-weight:600;font-size:14px;color:#fff;min-height:48px}.nav,.titlebar{display:flex;align-items:center;justify-content:center}.nav{gap:20px;flex-wrap:wrap;width:100%;max-width:600px}.social-link{display:flex;align-items:center;gap:8px;padding:8px 12px;font:14px system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,"MS Sans Serif",sans-serif;color:#fff;text-decoration:none;border-radius:6px;background:hsla(0,0%,100%,.1);transition:all .2s ease;font-weight:500;min-height:32px;min-width:80px;justify-content:center;flex:0 0 auto}@media (max-width:768px){.nav{gap:12px;padding:0 8px}.social-link{padding:6px 10px;font-size:13px;min-width:70px}}@media (min-width:769px){.nav{gap:24px}.social-link{padding:8px 16px;min-width:90px}}@media (min-width:1200px){.nav{gap:32px;max-width:800px}}.social-link:hover{background:hsla(0,0%,100%,.2);transform:translateY(-1px)}.social-link:active{background:hsla(0,0%,100%,.3);transform:translateY(0)}.social-link:focus{outline:2px solid #fff;outline-offset:2px}.braille{color:var(--spring);font-weight:800;letter-spacing:1px;display:inline-block;min-width:1ch}.idle{color:var(--muted)}.intro-block{padding:16px 12px 20px;display:grid;place-items:center}@media (max-width:768px){.intro-block{padding:12px 8px 16px}.background-image{background-size:cover;background-position:50%}}@media (min-width:769px){.background-image{background-size:auto 100vh;background-position:50%}@media (min-width:1200px){.background-image{background-size:cover;background-position:50%}}}.help{margin-top:16px;display:flex;flex-wrap:wrap;justify-content:center;gap:16px 24px;align-items:baseline}.help .intro{flex:0 0 100%;width:100%}.help-controls{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-top:12px}.intro{max-width:820px;text-align:left;line-height:1.6}.intro,.intro-line{color:var(--fg);font-size:16px}.intro-line{margin:6px 0}.intro-section{margin:16px 0 10px;color:var(--fg)}.intro-section-title{font-size:18px;font-weight:600;margin:0 0 10px;color:var(--fg)}.intro-section strong{font-weight:700;color:var(--spring)}.intro-section.spaced{margin-top:1.5rem}.intro-list{list-style:none;padding:0;margin:6px 0 12px}.intro-list li{position:relative;padding-left:18px;margin:6px 0;font-size:16px;line-height:1.5}.intro-list li:before{content:"▶";position:absolute;left:0;top:0;color:var(--spring);font-size:14px}.intro-link{color:var(--spring);text-decoration:underline;text-underline-offset:2px;font-weight:500}.intro-link:hover{color:var(--spring);-webkit-text-decoration-color:var(--spring);text-decoration-color:var(--spring)}.intro-link:focus{outline:2px solid var(--spring);outline-offset:2px;border-radius:2px}@media (max-width:768px){.help{margin-top:12px;gap:10px 16px;font-size:14px}.help-controls{gap:16px;margin-top:10px}}.cmd{color:var(--spring);font-weight:600}.cmd,.desc{font-size:16px}.desc{color:var(--muted);margin-left:10px}.term{margin:0;padding:16px;overflow:auto;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overscroll-behavior:contain;font-size:16px;line-height:1.5;position:relative;scrollbar-width:none;-ms-overflow-style:none}.term::-webkit-scrollbar{display:none}.term-bg{position:absolute;inset:0;background-image:url(/liberty_low_poly_mini.png);background-repeat:no-repeat;background-position:50%;opacity:.12;pointer-events:none;z-index:0}.term>:not(.term-bg){position:relative;z-index:1}@media (max-width:768px){.term-bg{background-size:cover}}@media (min-width:769px){.term-bg{background-size:auto 92%;background-position:50%;opacity:.1}}.stream{margin:0;padding:0;font:16px system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,"MS Sans Serif",sans-serif;line-height:1.5;display:flex;flex-direction:column;gap:8px;align-items:stretch;width:100%;min-height:0;flex:1 1}.stream>div:empty{display:none}.message-bubble{margin:8px 0;padding:12px 16px;border-radius:18px;max-width:80%;word-wrap:break-word;position:relative;display:flex;flex-direction:column}.message-bubble.user{background:var(--blue);margin-left:auto;margin-right:8px;border-bottom-right-radius:4px;align-self:flex-end}.message-bubble.ai,.message-bubble.user{color:#fff;width:-moz-fit-content;width:fit-content}.message-bubble.ai{background:var(--spring);margin-right:auto;margin-left:8px;border-bottom-left-radius:4px;align-self:flex-start}.message-bubble.system{background:#6c757d;color:#fff;margin:8px auto;border-radius:12px;max-width:90%;text-align:center;font-style:italic}.message-bubble.system-error{background:#dc3545;border-left:4px solid #721c24}.message-bubble.system-timeout{background:#ffc107;color:#212529;border-left:4px solid #856404}.message-bubble.system-service-error{background:#6f42c1;border-left:4px solid #4e2a8a}.message-bubble.system-end-stream{background:#6c757d;border-left:4px solid #495057;font-style:italic}.message-bubble .message-content{margin:0;line-height:1.4;font-weight:500}.message-bubble .message-timestamp{display:none}.row{padding:8px;background:var(--bg1);border-top:1px solid var(--border)}.box{position:relative;display:flex;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:24px;padding:4px;box-shadow:0 2px 8px rgba(0,0,0,.1)}.inp{flex:1 1;background:transparent;color:var(--fg);border:0;padding:4px 8px;outline:none;font:16px system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,"MS Sans Serif",sans-serif;line-height:1.5}.inp::placeholder{color:var(--muted);font-style:italic}.inp:focus{background:var(--bg)}.send-button{background:var(--spring);color:#fff;border:none;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;margin-right:4px}.send-button:hover:not(:disabled){background:var(--spring);transform:scale(1.05)}.send-button:active:not(:disabled){transform:scale(.95)}.send-button:disabled{background:var(--muted);cursor:not-allowed;opacity:.6}.send-button:focus{outline:2px solid var(--spring);outline-offset:2px}.measure{position:absolute;left:48px;top:50%;transform:translateY(-50%);white-space:pre;font:inherit;color:transparent;pointer-events:none}.measure-end{visibility:hidden}.sel{position:absolute;top:8px;height:calc(100% - 16px);background:rgba(0,123,255,.25);border:1px solid rgba(0,123,255,.35);border-radius:4px;opacity:0;pointer-events:none}#banner-small{display:none}.fat-caret{background-color:var(--blue);animation:blink 1s steps(1) infinite}.fat-caret,.ghost-caret{position:absolute;top:50%;left:16px;transform:translateY(-50%);display:inline-block;width:2px;height:1.2em;border-radius:1px}.ghost-caret{background-color:transparent}.chieac-prefix{color:var(--blue);font-weight:700;font-size:16px}@keyframes blink{0%{opacity:1}49%{opacity:1}50%{opacity:0}to{opacity:0}}#banner-large,#banner-small{max-width:100%;overflow-x:auto;scrollbar-width:none}#banner-large::-webkit-scrollbar,#banner-small::-webkit-scrollbar{display:none}#banner-large{display:block;white-space:pre;text-shadow:0 0 18px rgba(134,109,10,.34);font:18px system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,"MS Sans Serif",sans-serif;color:var(--fg);text-align:center;line-height:1.2;background-image:linear-gradient(45deg,var(--blue),var(--spring));-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700;margin:0 0 12px}@media (max-width:768px){#banner-large{display:none}#banner-small{display:block;white-space:pre;text-shadow:0 0 18px rgba(134,109,10,.34);font:16px system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,"MS Sans Serif",sans-serif;color:var(--fg);text-align:center;line-height:1.2;background-image:linear-gradient(45deg,var(--blue),var(--spring));-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700;margin:0 0 10px}}.message-bubble .message-content ol,.message-bubble .message-content ul{margin:8px 0 8px 18px;padding:0}.message-bubble .message-content li{margin:4px 0}.message-bubble .message-content a{color:inherit;text-decoration:underline;word-break:break-word}