:root{--bg: #0f1115;--panel: #161922;--panel-2: #1d2230;--text: #e8ecf1;--muted: #8a93a6;--accent: #0b6e4f;--accent-2: #11a37b;--mine: #1f3a52;--error: #e5484d;--radius: 12px}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.screen{min-height:100dvh;display:flex;flex-direction:column}#chat{height:100dvh;min-height:0;overflow:hidden}#login{align-items:center;justify-content:center;padding:1rem}.card{background:var(--panel);padding:2rem;border-radius:var(--radius);width:min(360px,100%);display:flex;flex-direction:column;gap:1rem;box-shadow:0 10px 30px #0006}.card h1{margin:0 0 .5rem;font-size:1.5rem;text-align:center}.card label{display:flex;flex-direction:column;gap:.35rem;font-size:.9rem;color:var(--muted)}.card input{background:var(--panel-2);border:1px solid #2a3042;border-radius:8px;padding:.7rem .85rem;color:var(--text);font-size:1rem;outline:none}.card input:focus{border-color:var(--accent-2)}.card button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:.75rem;font-size:1rem;cursor:pointer}.card button:hover{background:var(--accent-2)}.error{color:var(--error);margin:0;font-size:.9rem;min-height:1.2em}.chat-header{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;padding-top:calc(.75rem + env(safe-area-inset-top));border-bottom:1px solid #232838;background:var(--panel)}.chat-header h1{margin:0;font-size:1.1rem}.who{display:flex;align-items:center;gap:.75rem;color:var(--muted);font-size:.9rem}.link{background:transparent;color:var(--accent-2);border:0;cursor:pointer;font-size:.9rem;padding:0}.messages{list-style:none;margin:0;padding:1rem;flex:1 1 0;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;display:flex;flex-direction:column;gap:.5rem}.msg{background:var(--panel);padding:.6rem .8rem;border-radius:var(--radius);max-width:min(80%,520px);display:grid;grid-template-areas:"name time" "text text";grid-template-columns:1fr auto;gap:.15rem .75rem;align-self:flex-start}.msg.mine{background:var(--mine);align-self:flex-end}.msg .name{grid-area:name;font-size:.8rem;color:var(--accent-2);font-weight:600}.msg.mine .name{color:#9ec5ff}.msg .text{grid-area:text;white-space:pre-wrap;word-break:break-word}.msg .time{grid-area:time;font-size:.75rem;color:var(--muted)}.composer{flex:0 0 auto;display:flex;align-items:flex-end;gap:.5rem;padding:.75rem;border-top:1px solid #232838;background:var(--panel);padding-bottom:calc(.75rem + env(safe-area-inset-bottom))}.composer textarea{flex:1;background:var(--panel-2);border:1px solid #2a3042;border-radius:18px;padding:.6rem 1rem;color:var(--text);font-family:inherit;font-size:1rem;line-height:1.4;outline:none;resize:none;max-height:8.5rem;overflow-y:auto;scrollbar-width:none}.composer textarea::-webkit-scrollbar{display:none}.composer textarea:focus{border-color:var(--accent-2)}.composer button{flex:0 0 auto;background:var(--accent);color:#fff;border:0;border-radius:999px;padding:.6rem 1.25rem;font-size:1rem;cursor:pointer}.composer button:hover{background:var(--accent-2)}.banner{position:fixed;top:0;left:0;right:0;z-index:100;text-align:center;font-size:.85rem;padding:.4rem 1rem;background:var(--error);color:#fff;padding-top:calc(.4rem + env(safe-area-inset-top))}.toast{position:fixed;left:50%;bottom:calc(1rem + env(safe-area-inset-bottom));transform:translate(-50%);z-index:100;background:var(--panel);border:1px solid #2a3042;border-radius:999px;padding:.5rem .75rem .5rem 1rem;display:flex;align-items:center;gap:.75rem;box-shadow:0 8px 24px #00000080;font-size:.9rem}.toast button{background:var(--accent);color:#fff;border:0;border-radius:999px;padding:.35rem .85rem;font-size:.85rem;cursor:pointer}.toast button:hover{background:var(--accent-2)}#install-btn{color:var(--accent-2)}