:root{--bg: #14161a;--surface: #1b1e24;--surface-raised: #23272f;--border: #2f343d;--ink: #e6e9ef;--ink-dim: #9aa3b2;--accent: #4c8cd6;--accent-ink: #ffffff;--danger: #db5a5a;--ok: #3fb27f;--warn: #e0a340;--radius: 6px;--font: ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, monospace;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font:14px/1.5 var(--font)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;flex-direction:column;height:100%;min-height:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);flex:none}.brand{font-weight:600;letter-spacing:.01em;color:var(--ink)}.topbar-right{display:flex;align-items:center;gap:16px}.muted{color:var(--ink-dim)}.page{width:min(960px,100%);margin:0 auto;padding:24px 16px 64px;overflow-y:auto}.page-head h1{margin:0 0 4px;font-size:22px}.page-head p{margin:0;color:var(--ink-dim)}.page-role{margin-top:8px!important;font-size:12px}.panel{margin-top:24px;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.panel h2{margin:0 0 12px;font-size:15px;font-weight:600}.card-list{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}.card{padding:12px;background:var(--surface-raised);border:1px solid var(--border);border-radius:var(--radius)}.card a{display:flex;align-items:baseline;justify-content:space-between;gap:12px;color:var(--ink)}.card-role{font-size:12px;color:var(--ink-dim)}.card p{margin:6px 0 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10px;background:#db5a5a1f;border:1px solid rgba(219,90,90,.4);border-radius:var(--radius);color:#f2b8b8;font-size:13px}.spinner{color:var(--ink-dim)}.badge{padding:2px 8px;background:var(--surface-raised);border:1px solid var(--border);border-radius:999px;font-size:12px;color:var(--ink-dim)}.fullpage{display:grid;place-items:center;height:100%;padding:24px}.fullpage-card{width:min(420px,100%);padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center}.fullpage-card h1{margin:0 0 8px;font-size:18px}.fullpage-card p{margin:0 0 16px;color:var(--ink-dim)}.flowsheet-page{display:flex;flex-direction:column;flex:1;min-height:0}.flowsheet-head{display:flex;align-items:baseline;gap:16px;padding:10px 16px;border-bottom:1px solid var(--border);flex:none}.flowsheet-head h1{margin:0;font-size:15px;font-weight:600}.editor{display:flex;flex:1;min-height:0}.editor-canvas{flex:1;min-width:0;position:relative}.editor-side{width:320px;flex:none;border-left:1px solid var(--border);background:var(--surface);overflow-y:auto;padding:12px}.side-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-bottom:12px;border-bottom:1px solid var(--border)}.side-toggle{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-dim);margin-right:auto}.side-toggle input{width:auto}.side-section{padding:12px 0;border-bottom:1px solid var(--border)}.side-section h2{margin:0 0 8px;font-size:13px;font-weight:600}.side-section h3{margin:16px 0 8px;font-size:12px;font-weight:600;color:var(--ink-dim);text-transform:uppercase;letter-spacing:.04em}.side-help{margin:0 0 8px;font-size:12px;color:var(--ink-dim)}.side-empty{padding:24px 4px;color:var(--ink-dim);font-size:13px}.side-empty p{margin:0 0 8px}.side-field{display:grid;grid-template-columns:1fr 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var(--border);background:var(--surface-raised);font-size:12px}.diagnostic-error{border-left-color:var(--danger)}.diagnostic-warning{border-left-color:var(--warn)}.diagnostic-info{border-left-color:var(--accent)}.diagnostic-target{display:block;margin-bottom:2px;padding:0;background:none;border:none;color:var(--accent);font:inherit;font-weight:600;cursor:pointer}.editor-main{flex:1;min-width:0;display:flex;flex-direction:column}.fs-toolbar{display:flex;align-items:center;gap:4px;padding:6px 10px;background:var(--surface);border-bottom:1px solid var(--border);flex:none;overflow-x:auto;overflow-y:hidden}.fs-toolbar-sep{width:1px;height:22px;margin:0 4px;background:var(--border);flex:none}.fs-toolbar-right{margin-left:auto;display:flex;align-items:center;gap:8px;flex:none}.fs-tool,.fs-menu-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;background:transparent;color:var(--ink);border:1px solid 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#00000073}.fs-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:6px 8px;background:transparent;color:var(--ink);border:0;border-radius:var(--radius);font:inherit;text-align:left;cursor:pointer}.fs-menu-item:hover{background:#ffffff12}.fs-menu-item-active{background:#4c8cd633}.fs-symbol-icon{flex:none;color:var(--ink)}.fs-menu-text{display:flex;flex-direction:column;min-width:0}.fs-menu-name{font-size:13px;font-weight:600}.fs-menu-desc{font-size:11px;color:var(--ink-dim);line-height:1.3}.fs-toggle{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-dim);white-space:nowrap}.fs-toggle input{width:auto}.btn-small{padding:4px 10px;font-size:12px}.feed-fields{display:grid;gap:4px}.feed-field{display:grid;grid-template-columns:1fr 110px;align-items:center;gap:8px}.feed-field>span{font-size:12px;color:var(--ink-dim)}.feed-field em{font-style:normal;opacity:.7;margin-left:2px}.feed-field input{padding:5px 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