*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #131314;--bg2: #1e1f20;--bg3: #282a2c;--bg4: #303134;--border: #3c4043;--border2: #5f6368;--accent: #a8c7fa;--accent-h: #c5d8ff;--accent-d: #4285f4;--accent-dim:#a8c7fa12;--text: #e3e3e3;--text2: #9aa0a6;--text3: #5f6368;--radius: 12px;--radius-sm: 8px;--radius-lg: 24px;--sb-w: 260px;--font: "Figtree", sans-serif;--font-head: "Syne", sans-serif;--font-mono: "JetBrains Mono", monospace}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}.app{display:flex;height:100dvh;overflow:hidden;position:relative}.sidebar{width:var(--sb-w);flex-shrink:0;background:var(--bg2);display:flex;flex-direction:column;overflow:hidden;transform:translate(-100%);position:fixed;left:0;top:0;bottom:0;z-index:40;transition:transform .2s ease;box-shadow:4px 0 24px #0000004d}.app.sidebar-on 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var(--border);font-weight:600;font-size:14px}.picker-group{padding:8px 10px 4px}.picker-group-label{font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:var(--text3);font-weight:600;padding:0 8px;margin-bottom:4px}.picker-item{width:100%;display:flex;align-items:center;justify-content:space-between;padding:9px 10px;border-radius:var(--radius-sm);background:none;border:none;cursor:pointer;transition:background .1s;margin-bottom:2px}.picker-item:hover{background:var(--bg3)}.picker-item-on{background:var(--bg4)}.picker-name{font-size:13px;font-weight:500;color:var(--text)}.picker-badge{font-size:10px;color:var(--text3);background:var(--bg4);padding:2px 7px;border-radius:99px}.modal{width:500px;max-width:95vw;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 32px #00000080;animation:slide-down .16s ease}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);font-weight:600;font-size:15px}.modal-body{padding:18px 20px}.field{display:flex;flex-direction:column;gap:8px}.field-label{font-size:13px;font-weight:500;color:var(--text2)}.system-ta{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;font-family:var(--font);font-size:14px;color:var(--text);line-height:1.6;resize:vertical;min-height:120px;outline:none;transition:border-color .2s}.system-ta:focus{border-color:var(--border2)}.system-ta::placeholder{color:var(--text3)}.field-hint{font-size:12px;color:var(--text3)}.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--border)}.btn-ghost{padding:8px 16px;background:none;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text2);font-family:var(--font);font-size:14px;cursor:pointer;transition:background .12s}.btn-ghost:hover{background:var(--bg3)}.btn-accent{padding:8px 20px;background:var(--accent-d);color:#fff;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-weight:600;font-size:14px;cursor:pointer;transition:background .12s}.btn-accent:hover{background:#5a95f5}.icon-btn{width:34px;height:34px;background:none;border:none;color:var(--text2);font-size:15px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .12s}.icon-btn:hover{background:var(--bg3)}*{scrollbar-width:thin;scrollbar-color:var(--bg4) transparent}.login-page{display:flex;align-items:center;justify-content:center;min-height:100dvh;background:var(--bg);padding:24px}.login-loading{font-size:48px;background:linear-gradient(135deg,#4285f4,#9b72cb,#d96570);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-box{width:100%;max-width:360px;background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:40px 32px;box-shadow:0 8px 32px #0006;display:flex;flex-direction:column;align-items:center;gap:6px;animation:fade-up .3s ease}.login-gem{font-size:44px;margin-bottom:8px;background:linear-gradient(135deg,#4285f4,#9b72cb,#d96570,#f4a030);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-box h1{font-family:var(--font-head);font-weight:700;font-size:20px;color:var(--text);margin-bottom:4px}.login-box p{font-size:14px;color:var(--text2);margin-bottom:20px}.login-form{width:100%;display:flex;flex-direction:column;gap:10px}.login-input{width:100%;padding:12px 16px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:15px;color:var(--text);outline:none;transition:border-color .2s}.login-input:focus{border-color:var(--border2)}.login-input-err{border-color:#f28b82!important}.login-input::placeholder{color:var(--text3)}.login-error{font-size:13px;color:#f28b82;text-align:center}.login-btn{width:100%;padding:12px;background:var(--accent-d);color:#fff;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-weight:600;font-size:15px;cursor:pointer;transition:background .15s;margin-top:4px}.login-btn:hover:not(:disabled){background:#5a95f5}.login-btn:disabled{background:var(--bg4);color:var(--text3);cursor:not-allowed}[data-theme=light]{--bg: #ffffff;--bg2: #f8f9fa;--bg3: #f1f3f4;--bg4: #e8eaed;--border: #dadce0;--border2: #bdc1c6;--accent: #1a73e8;--accent-h: #1557b0;--accent-d: #1a73e8;--accent-dim:#1a73e812;--text: #202124;--text2: #5f6368;--text3: #9aa0a6}[data-theme=light] .user-text{background:var(--bg3)}[data-theme=light] .code-block{background:var(--bg2)}[data-theme=light] .login-box{box-shadow:0 4px 16px #0000001a}@media (max-width: 640px){.msgs-list{padding:0 12px}.input-zone{padding:8px 12px 16px}.hints-row{flex-direction:column}.model-picker{width:calc(100vw - 20px)}}