:root{--bg: #0d0f14;--surface: #161a22;--surface-2: #1e2430;--text: #e6e9ef;--muted: #8b93a3;--accent: #7c6cf0;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{display:flex;flex-direction:column;height:100dvh;max-width:720px;margin:0 auto}.topbar{display:flex;align-items:center;gap:10px;padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top));border-bottom:1px solid var(--surface-2);flex-shrink:0}.topbar h1{font-size:17px;margin:0;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.back{background:var(--surface);border:1px solid var(--surface-2);color:var(--text);border-radius:10px;font-size:16px;padding:6px 12px;cursor:pointer}.page{flex:1;overflow-y:auto;padding:16px}.cards{display:grid;gap:12px}.card{display:flex;align-items:center;gap:14px;text-align:left;background:var(--surface);border:1px solid var(--surface-2);border-left:4px solid var(--accent);border-radius:14px;padding:16px;color:var(--text);cursor:pointer;font:inherit;transition:background .15s}.card:active,.card:hover{background:var(--surface-2)}.card-icon{font-size:28px}.card-body{display:flex;flex-direction:column;gap:3px;min-width:0}.card-body strong{font-size:15px}.card-body small{font-size:12.5px;color:var(--text);opacity:.85}.card-body small.muted{color:var(--muted);opacity:1}.muted{color:var(--muted)}.center{text-align:center;margin-top:40px}.error{color:#f87171}.chat{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.bubble{max-width:85%;padding:10px 14px;border-radius:16px;font-size:14.5px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.bubble.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:5px}.bubble.assistant{align-self:flex-start;background:var(--surface);border:1px solid var(--surface-2);border-bottom-left-radius:5px;white-space:normal}.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}.md p{margin:.5em 0}.md pre{background:var(--bg);padding:10px;border-radius:8px;overflow-x:auto;font-size:13px}.md code{background:var(--bg);padding:1px 5px;border-radius:5px;font-size:13px}.md pre code{background:none;padding:0}.md ul,.md ol{padding-left:20px}.composer{display:flex;gap:10px;padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--surface-2);flex-shrink:0}.composer textarea{flex:1;resize:none;background:var(--surface);border:1px solid var(--surface-2);border-radius:12px;color:var(--text);padding:11px 14px;font:inherit;font-size:15px;outline:none}.composer textarea:focus{border-color:var(--accent)}.composer button{background:var(--accent);border:none;color:#fff;border-radius:12px;padding:0 18px;font-size:17px;cursor:pointer}.composer button:disabled{opacity:.4;cursor:default}.login{display:flex;align-items:center;justify-content:center;min-height:80vh}.login-card{display:flex;flex-direction:column;gap:12px;align-items:center;max-width:320px;width:100%;padding:28px 24px;cursor:default}.login-card input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid #333;background:#16161c;color:inherit;font-size:16px}.login-card button{width:100%;padding:10px;border-radius:8px;border:none;background:var(--accent, #7c6cf0);color:#fff;font-size:15px;cursor:pointer}.login-card button:disabled{opacity:.5}