:root{color-scheme:light;--bg: #faf6f1;--surface: #fff;--surface-alt: #f5f0ea;--border: rgba(0,0,0,.08);--text: #1a1612;--text-muted: #7a6b5d;--accent: #c45e2c;--accent-light: rgba(196,94,44,.1);--user-bg: #eee8df;--radius: 1rem;--radius-sm: .65rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}*,*:before,*:after{box-sizing:border-box;margin:0}html,body,#root{height:100%}body{overscroll-behavior:none}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer}.app{display:flex;flex-direction:column;height:100vh;height:100dvh}.topbar{display:flex;align-items:center;gap:.5rem;padding:.65rem max(1rem,env(safe-area-inset-right)) .65rem max(1rem,env(safe-area-inset-left));padding-top:max(.65rem,env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.topbar-title{font-size:1.15rem;font-weight:700}.topbar-status{flex:1;text-align:right;font-size:.8rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:50%;background:transparent;color:var(--text-muted);flex-shrink:0}.icon-btn:active{background:var(--surface-alt)}.status-strip{padding:.4rem 1rem;font-size:.78rem;color:var(--text-muted);background:var(--surface-alt);border-bottom:1px solid var(--border);flex-shrink:0}.status-error{color:#b5351a}.messages{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:.75rem 1rem;display:flex;flex-direction:column;gap:.6rem}.empty-state{margin:auto;text-align:center;padding:2rem 1rem;color:var(--text-muted)}.empty-title{font-size:1.1rem;font-weight:600;color:var(--text);margin-bottom:.4rem}.bubble{max-width:85%;padding:.7rem 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var(--border);border-radius:var(--radius);background:var(--surface-alt);resize:none;line-height:1.4}.composer-input:focus{outline:none;border-color:var(--accent)}.send-btn{padding:.55rem 1rem;border:none;border-radius:var(--radius);background:var(--text);color:var(--bg);font-weight:600;font-size:.9rem;white-space:nowrap}.send-btn:disabled{opacity:.35;cursor:not-allowed}.send-btn.stop{background:#b5351a;color:#fff}.drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:100;display:flex;align-items:flex-end;animation:fadeOverlay .2s ease}.drawer{width:100%;max-height:88vh;max-height:88dvh;overflow-y:auto;-webkit-overflow-scrolling:touch;background:var(--bg);border-radius:var(--radius) var(--radius) 0 0;padding:1rem;padding-bottom:max(1rem,env(safe-area-inset-bottom));animation:slideUp .25s ease}@keyframes fadeOverlay{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.drawer-header h2{font-size:1.2rem}.drawer-section{margin-bottom:1.25rem}.drawer-section h3{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:.5rem}.muted{color:var(--text-muted);font-size:.88rem}.file-drop{display:flex;flex-direction:column;gap:.3rem;padding:.8rem;border:1px dashed var(--accent);border-radius:var(--radius-sm);background:var(--accent-light);cursor:pointer}.file-drop strong{font-size:.9rem}.file-drop input{margin-top:.2rem;font-size:.85rem}.model-row{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.6rem .7rem;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--border);margin-bottom:.5rem}.model-row.active{border-color:var(--accent);background:var(--accent-light)}.model-info{min-width:0}.model-info strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.9rem}.model-actions{display:flex;gap:.35rem;flex-shrink:0}.btn-sm{padding:.35rem .6rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:.8rem;font-weight:500}.btn-sm.primary{background:var(--text);color:var(--bg);border-color:var(--text)}.btn-sm.danger{color:#b5351a;border-color:#b5351a40}.btn-sm:disabled{opacity:.4;cursor:not-allowed}.param-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.param-grid label{display:flex;flex-direction:column;gap:.2rem;font-size:.82rem;color:var(--text-muted)}.param-grid input{padding:.45rem .55rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface)}.sys-prompt{width:100%;padding:.55rem .65rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);resize:vertical;line-height:1.4}.btn-full{width:100%;padding:.65rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-weight:500}.btn-full:disabled{opacity:.4;cursor:not-allowed}.drawer-footer{padding-top:.75rem;text-align:center;font-size:.78rem}.drawer-footer a{color:var(--accent);text-decoration:none}@media (min-width: 640px){.drawer{max-width:420px;margin:0 auto;border-radius:var(--radius);margin-bottom:2rem}.drawer-backdrop{align-items:center;justify-content:center}.bubble{max-width:70%}}