:root{--bg: #f6f2ea;--bg-strong: #efe7d8;--paper: #fffdf8;--ink: #1f1f1b;--muted: #6f6a5f;--line: #ddd2bd;--accent: #0b6b50;--accent-strong: #09573f;--danger: #b8362f;--shadow: 0 14px 40px rgba(40, 31, 12, .12)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(circle at 10% 5%,#fff7dd 0%,transparent 40%),radial-gradient(circle at 90% 20%,#dbeee2 0%,transparent 35%),var(--bg)}.shell{display:grid;grid-template-columns:320px 1fr;min-height:100vh}.sidebar{padding:24px;border-right:1px solid var(--line);background:linear-gradient(180deg,var(--paper),var(--bg-strong))}.brand{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:12px;margin-bottom:20px}.brand-icon{height:44px;width:44px;border-radius:12px;display:grid;place-items:center;background:#133228;color:#f9f2de;font-weight:700}.brand-name{font-family:Merriweather,serif;font-size:1.02rem;font-weight:700}.brand-sub{color:var(--muted);font-size:.85rem}.status-pill{font-size:.76rem;border-radius:999px;border:1px solid var(--line);padding:6px 10px;background:#fff9ec}.btn{border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:var(--paper);color:var(--ink);font-weight:600;cursor:pointer}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--accent);color:#f2fff8;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-strong)}.btn-danger{border-color:#d38f8c;color:var(--danger)}.nav{display:grid;gap:8px;margin:20px 0}.nav-btn{text-align:left;border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#ffffffb3;cursor:pointer}.nav-btn.active{border-color:#b4d9c4;background:#edf8f2;color:#0f5c42;font-weight:700}.panel{margin-top:8px;padding:14px;border-radius:14px;border:1px solid var(--line);background:#fffdf8;display:grid;gap:8px}.panel-title{font-weight:700;font-family:Merriweather,serif}label{font-size:.86rem;color:var(--muted)}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;background:#fffefa;color:var(--ink)}textarea{resize:vertical}.main{padding:24px}.topbar{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-bottom:18px}.topbar h1{margin:0;font-family:Merriweather,serif;font-size:1.55rem}.search{max-width:380px}.chat-view{display:grid;gap:14px}.messages{border:1px solid var(--line);border-radius:16px;padding:14px;background:var(--paper);box-shadow:var(--shadow);max-height:58vh;overflow:auto}.msg{border-radius:14px;padding:12px;margin-bottom:10px;border:1px solid var(--line)}.msg.user{background:#fff8eb}.msg.assistant{background:#eef9f4}.msg-meta,.msg-confidence,.source-meta,.muted{color:var(--muted);font-size:.84rem}.msg-content{white-space:pre-wrap;line-height:1.5;margin-top:6px}.source-block{margin-top:8px;border-top:1px dashed var(--line);padding-top:8px;white-space:pre-wrap}.composer{border:1px solid var(--line);border-radius:16px;padding:12px;background:#fffdf8;box-shadow:var(--shadow)}.composer-actions{margin-top:8px;display:flex;gap:10px;align-items:center;justify-content:space-between}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}.card{border:1px solid var(--line);border-radius:16px;background:#fffefb;padding:14px;box-shadow:var(--shadow)}.card h3{margin:0 0 4px;font-family:Merriweather,serif}.row-actions{display:flex;gap:8px;margin-top:10px}.chunks{margin-top:10px;max-height:220px;overflow:auto;border-top:1px solid var(--line);padding-top:8px}.ingest-grid{display:grid;gap:12px}.error{color:var(--danger)}@media(max-width:1024px){.shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--line)}.topbar{flex-direction:column;align-items:stretch}.search{max-width:100%}}