:root{--bg: #f4f6f5;--panel: #ffffff;--panel-soft: #f0f4f2;--text: #17201c;--muted: #607067;--line: #d9e2dd;--accent: #1e7a50;--accent-dark: #145a3a;--accent-soft: #e4f3eb;--danger: #b33a2e;--danger-soft: #fff0ee;--shadow: 0 16px 42px rgba(18, 28, 22, .08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}button,textarea,input{font:inherit}button{border:1px solid var(--accent-dark);border-radius:7px;background:var(--accent);color:#fff;min-height:40px;padding:8px 13px;font-weight:700;cursor:pointer}button.secondary{background:#fff;color:var(--accent-dark)}button:disabled{cursor:not-allowed;opacity:.55}.app{min-height:100vh}.help-tooltip-wrapper{position:relative;display:flex;align-items:center}.help-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-top:3px;border-radius:50%;background:var(--accent);color:#fff;font-size:13px;font-weight:700;cursor:default;-webkit-user-select:none;user-select:none;flex-shrink:0;box-shadow:0 1px 4px #1e7a5040}.help-tooltip{position:absolute;top:calc(100% + 10px);left:0;z-index:100;width:320px;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:16px 18px;font-size:13px;line-height:1.6}.help-tooltip strong{display:block;font-size:15px;margin-bottom:6px}.help-tooltip p{margin:0 0 10px;color:var(--muted)}.help-tooltip ol{margin:0;padding-left:18px;color:var(--text)}.help-tooltip ol li{margin-bottom:5px}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);background:var(--panel);padding:18px 28px}.topbar h1{margin:0;font-size:22px;letter-spacing:0}.topbar p,.muted,.empty{color:var(--muted)}.topbar p{margin:2px 0 0;font-size:13px}.workspace{display:grid;grid-template-columns:minmax(340px,420px) minmax(0,1fr);gap:20px;width:min(1500px,calc(100% - 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64px);object-fit:contain;display:block;padding:16px;background:var(--bg)}@media(max-width:980px){.workspace,.interview-layout{grid-template-columns:1fr}.artifact-list{border-right:0;border-bottom:1px solid var(--line)}.query-grid{grid-template-columns:1fr}}