:root{color-scheme:light;--bg:#f6f7f9;--surface:#ffffff;--ink:#1a1d23;--muted:#5c6570;--border:#d8dde4;--accent:#0d6e6e;--accent-ink:#ffffff;--danger:#a33b3b;--warn:#8a5a12;--ok:#1d6b3a;--provisional:#3d4a5c;--font:"IBM Plex Sans","Segoe UI","Hiragino Sans",sans-serif;--mono:"IBM Plex Mono","Consolas",monospace}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:linear-gradient(160deg,#eef2f5 0,var(--bg) 45%,#e8edf2 100%);color:var(--ink);font-family:var(--font);line-height:1.5}button,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--ink);border-radius:6px;padding:.45rem .85rem}button:disabled{cursor:not-allowed;opacity:.55}button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}button.danger{border-color:var(--danger);color:var(--danger)}.chat-app{max-width:44rem;margin:0 auto;padding:1.25rem 1rem 2.5rem;display:flex;flex-direction:column;gap:1rem;min-height:100vh}.chat-header{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.75rem}.chat-header-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem}button.ghost{background:transparent;border-color:transparent;color:var(--muted);font-size:.85rem;padding:.25rem .4rem}.chat-header h1{margin:0;font-size:1.5rem;letter-spacing:.02em}.chat-meta,.connection-status{font-size:.85rem;color:var(--muted)}.connection-status[data-status=live]{color:var(--ok)}.connection-status[data-status=reconnecting]{color:var(--warn)}.connection-status[data-status=ended]{color:var(--danger)}.message-list{flex:1 1;display:flex;flex-direction:column;gap:.75rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1rem;min-height:18rem}.message{max-width:92%;padding:.65rem .8rem;border-radius:8px;white-space:pre-wrap;word-break:break-word}.message.user{align-self:flex-end;background:#e4eef0}.message.assistant{align-self:flex-start;background:#f0f2f5;border:1px solid var(--border)}.message.assistant.provisional{border-style:dashed;color:var(--provisional)}.message.assistant.provisional:after{content:" …";opacity:.6}.tool-list{display:flex;flex-direction:column;gap:.6rem}.tool-card{border:1px solid var(--border);border-radius:8px;background:var(--surface);padding:.75rem .85rem}.tool-card h3{margin:0 0 .35rem;font-size:.95rem}.tool-card .status{font-size:.8rem;color:var(--muted);margin-bottom:.4rem}.tool-card .error,.tool-card .summary{font-size:.9rem;margin:.35rem 0 0}.tool-card .error{color:var(--danger)}.tool-progress{margin-top:.45rem}.tool-progress .bar{height:.45rem;background:#e6ebf0;border-radius:999px;overflow:hidden}.tool-progress .fill{height:100%;background:var(--accent);transition:width .2s ease}.tool-progress .label{margin:.3rem 0 0;font-size:.8rem;color:var(--muted)}.banner{border-radius:8px;padding:.75rem .9rem;border:1px solid var(--border);background:var(--surface)}.banner.error{border-color:color-mix(in srgb,var(--danger) 40%,var(--border));color:var(--danger)}.banner.result{border-color:color-mix(in srgb,var(--ok) 35%,var(--border))}.banner.resume{border-color:color-mix(in srgb,var(--warn) 50%,var(--border));color:var(--warn)}.banner.compaction{color:var(--muted);font-size:.9rem}.composer{display:flex;flex-direction:column;gap:.6rem}.composer textarea{width:100%;min-height:4.5rem;resize:vertical;border:1px solid var(--border);border-radius:8px;padding:.7rem .8rem;background:var(--surface)}.composer-actions{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}.approval-dialog{position:fixed;inset:0;margin:auto;width:min(92vw,28rem);border:1px solid var(--border);border-radius:8px;padding:1.25rem 1.35rem;background:var(--surface);box-shadow:0 12px 40px rgb(26 29 35/18%);color:var(--ink)}.approval-dialog::-webkit-backdrop{background:rgb(26 29 35/45%)}.approval-dialog::backdrop{background:rgb(26 29 35/45%)}.approval-dialog h2{margin:0 0 .5rem;font-size:1.15rem}.approval-dialog .estimate{margin:0 0 .75rem;font-size:1.05rem;font-weight:600;color:var(--warn)}.approval-dialog .reason{margin:0 0 .75rem;white-space:pre-wrap;color:var(--muted);font-size:.95rem}.approval-dialog .meta{margin:0 0 1rem;font-family:var(--mono);font-size:.75rem;color:var(--muted)}.approval-dialog .actions{display:flex;justify-content:flex-end;gap:.6rem}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.login-card{width:100%;max-width:22rem;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.75rem 1.5rem;display:flex;flex-direction:column;gap:1rem}.login-brand{text-align:center}.login-brand h1{margin:0;font-size:1.6rem;letter-spacing:.02em}.login-muted{margin:0;color:var(--muted);font-size:.9rem;text-align:center}.login-hint{font-size:.8rem}.login-google{display:inline-flex;align-items:center;justify-content:center;gap:.65rem;width:100%}.login-google-icon{display:block;width:18px;height:18px;flex-shrink:0}