:root{--bg: #0f1419;--surface: #1a222d;--border: #2a3544;--text: #e8eef4;--muted: #8b9aab;--accent: #3d8bfd;--user: #243044;--assistant: #1c2430;--error: #c44b4b;--sql: #3d8bfd;--vault: #3db88a;--identity: #9b6bdb;--ledger: #e09a3e;--mono: "Cascadia Code", "Fira Code", Consolas, monospace;--sans: "Segoe UI", "IBM Plex Sans", sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--sans);background:radial-gradient(ellipse at top left,#1a2535 0%,var(--bg) 55%);color:var(--text)}.app-shell{display:flex;height:100%}.sidebar{width:260px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:1.25rem}.sidebar-stub h2{margin:0 0 .5rem;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.sidebar-placeholder{margin:0;color:var(--muted);font-size:.85rem}.main{flex:1;display:flex;flex-direction:column;min-width:0}.app-header{padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.app-header h1{margin:0;font-size:1.15rem;font-weight:600}.chat{flex:1;display:flex;flex-direction:column;min-height:0}.chat-messages{flex:1;overflow-y:auto;padding:1.25rem 1.5rem;display:flex;flex-direction:column;gap:.75rem}.bubble{max-width:720px;padding:.75rem 1rem;border-radius:8px;line-height:1.45}.bubble p{margin:0;white-space:pre-wrap}.bubble-user{align-self:flex-end;background:var(--user)}.bubble-assistant{align-self:flex-start;background:var(--assistant);border:1px solid var(--border)}.bubble-thinking{color:var(--muted);font-style:italic}.bubble-error{border-color:var(--error)}.error-text{color:#f0a0a0}.chat-input-row{display:flex;gap:.5rem;padding:1rem 1.5rem;border-top:1px solid var(--border);background:var(--surface)}.chat-input-row input{flex:1;padding:.65rem .85rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font:inherit}.chat-input-row button{padding:.65rem 1.1rem;border:none;border-radius:6px;background:var(--accent);color:#fff;font:inherit;cursor:pointer}.chat-input-row button:disabled{opacity:.5;cursor:not-allowed}.trace-panel{margin-top:.75rem;font-size:.85rem}.trace-panel summary{cursor:pointer;color:var(--muted);-webkit-user-select:none;user-select:none}.trace-list{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-direction:column;gap:.5rem}.trace-step{padding:.5rem .65rem;background:var(--bg);border-left:3px solid var(--muted);border-radius:0 4px 4px 0}.trace-sql{border-left-color:var(--sql)}.trace-vault{border-left-color:var(--vault)}.trace-identity{border-left-color:var(--identity)}.trace-ledger{border-left-color:var(--ledger)}.trace-tool{display:inline-block;margin-bottom:.35rem;padding:.1rem .45rem;border-radius:3px;background:var(--surface);font-size:.75rem;font-weight:600}.trace-input,.trace-output{margin:.25rem 0 0;padding:.4rem .5rem;overflow-x:auto;font-family:var(--mono);font-size:.75rem;line-height:1.35;color:var(--muted);white-space:pre-wrap;word-break:break-word}