:root{--bg:#f6f7f4;--panel:#fff;--panel-soft:#eef4f0;--ink:#17201b;--muted:#66736c;--line:#d7ded8;--teal:#0f766e;--teal-dark:#115e59;--coral:#c2410c;--amber:#b7791f;--shadow:0 12px 40px rgba(23,32,27,.08)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;letter-spacing:0}button,input,select,textarea{font:inherit}button{border:0}.app-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh;height:100vh;overflow:hidden}.sidebar{display:flex;flex-direction:column;gap:24px;padding:24px;background:#18251f;color:#f8faf8}.brand{display:flex;gap:12px;align-items:center;min-height:44px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:8px;background:#2dd4bf;color:#09221d;font-weight:800}.brand strong{display:block;font-size:16px}.brand 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var(--line);background:var(--panel)}.memory-toggle{grid-column:1/-1;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.memory-toggle span{color:var(--ink);font-weight:700}.memory-toggle small{color:var(--muted)}.composer textarea{min-height:54px;max-height:150px;resize:vertical;border:1px solid var(--line);border-radius:8px;padding:12px;outline:none}.composer-hint{grid-column:1/-1;color:var(--coral);font-size:13px}.ghost,.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:0 14px;border-radius:8px;cursor:pointer;white-space:nowrap}.primary{background:var(--teal);color:#fff}.primary:hover{background:var(--teal-dark)}.secondary{background:#e9f3ef;color:var(--teal-dark)}.ghost{color:var(--muted);background:transparent;border:1px solid var(--line)}.primary:disabled,.secondary:disabled{cursor:not-allowed;opacity:.56}.stack{display:grid;grid-gap:16px;gap:16px}.form{display:grid;grid-gap:12px;gap:12px;padding:16px}.field{display:grid;grid-gap:6px;gap:6px}.field label{font-size:12px;color:var(--muted)}.field input,.field select{height:40px;border:1px solid var(--line);border-radius:8px;padding:0 10px;background:#fff}.list{grid-gap:10px;gap:10px;padding:16px}.item,.list{display:grid}.item{position:relative;grid-gap:6px;gap:6px;padding:12px;background:#f7faf7;border:1px solid var(--line);border-radius:8px;text-align:left}.item strong{font-size:14px}.item span,.meta{color:var(--muted);font-size:12px}.doc-status-list{gap:12px}.doc-status-card{width:100%;cursor:pointer}.doc-status-card:hover{border-color:#9bc9bf;background:#f0f8f5}.doc-stat{display:grid;grid-gap:3px;gap:3px;padding-bottom:8px;border-bottom:1px solid var(--line)}.doc-stat:last-of-type{border-bottom:0;padding-bottom:0}.doc-stat strong{font-size:15px}.doc-stat em{overflow:hidden;color:var(--muted);font-size:12px;font-style:normal;text-overflow:ellipsis;white-space:nowrap}.doc-stat.failed strong{color:var(--coral)}.doc-status-card small{color:var(--teal-dark);font-size:12px;font-weight:700}.upload-target{scroll-margin:24px}.citations{margin-top:12px;border-top:1px solid #dce4dd;padding-top:8px}.citation>summary,.citations>summary{cursor:pointer;color:var(--muted);font-size:12px}.citations>summary{font-weight:700}.citation-list{display:grid;grid-gap:8px;gap:8px;margin-top:8px}.citation{border-left:3px solid var(--amber);padding:8px 10px;background:#fff8eb;border-radius:6px}.citation>summary{display:grid;grid-gap:2px;gap:2px}.citation-snippet,.citation>summary strong{color:var(--ink);font-size:13px}.citation-snippet{margin-top:8px;line-height:1.55}.item-main{display:grid;grid-gap:6px;gap:6px;min-width:0;padding:0 28px 0 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