:root{--bg: #f5f7fa;--panel: #ffffff;--border: #d9dee5;--text: #1f2733;--muted: #6b7686;--accent: #1f6feb;--accent-soft: #e7f0ff;--liq: #2f80ed;--vap: #eb5757;--ok: #219653;--warn: #b7791f;--shadow: 0 1px 3px rgba(16,24,40,.08), 0 1px 2px rgba(16,24,40,.06)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,PingFang SC,Microsoft YaHei,Noto Sans CJK SC,Hiragino Sans,Malgun Gothic,sans-serif;font-size:14px;line-height:1.5}.app{display:flex;flex-direction:column;min-height:100%}.header{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.brand{display:flex;flex-direction:column}.brand h1{font-size:17px;margin:0;letter-spacing:.2px}.brand span{font-size:12px;color:var(--muted)}.nav{display:flex;gap:4px;margin-left:8px}.nav button{border:1px solid transparent;background:transparent;color:var(--muted);padding:6px 12px;border-radius:8px;cursor:pointer;font-size:13px}.nav button.active{background:var(--accent-soft);color:var(--accent);border-color:#c9ddff}.lang{margin-left:auto;display:flex;align-items:center;gap:8px}.lang select{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--text);font-size:13px;cursor:pointer}.content{padding:20px;display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:start}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:var(--shadow)}.card h2{font-size:14px;margin:0 0 12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}.err-card{border-color:#e5a3a3}.err-card h2{color:#c0392b}.err-msg{background:#2b2b2b;color:#f4f4f4;padding:10px 12px;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;white-space:pre-wrap;word-break:break-word;margin:8px 0;max-height:220px;overflow:auto}.field{margin-bottom:12px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.field input,.field select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font-size:13px}.row{display:flex;gap:10px}.row>*{flex:1}.btn{border:1px solid var(--accent);background:var(--accent);color:#fff;padding:9px 16px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600}.btn.secondary{background:#fff;color:var(--accent)}.btn:hover{filter:brightness(1.03)}.comp-list{list-style:none;margin:0;padding:0;max-height:240px;overflow:auto;border:1px solid var(--border);border-radius:8px}.comp-list li{display:flex;align-items:center;gap:8px;padding:6px 8px;border-bottom:1px solid #eef1f5}.comp-list li:last-child{border-bottom:none}.comp-list .name{flex:1}.comp-list .formula{color:var(--muted);font-size:12px}.comp-list .rm{border:none;background:none;color:var(--vap);cursor:pointer;font-size:14px}.comp-add{display:flex;gap:8px;margin-top:8px}table.tbl{width:100%;border-collapse:collapse;font-size:13px}table.tbl th,table.tbl td{text-align:right;padding:7px 8px;border-bottom:1px solid #eef1f5}table.tbl th:first-child,table.tbl td:first-child{text-align:left}table.tbl th{color:var(--muted);font-weight:600}.bar{height:10px;border-radius:5px;background:linear-gradient(90deg,var(--liq),var(--liq) 50%,var(--vap) 50%,var(--vap))}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}.badge.liq{background:#e7f0ff;color:var(--liq)}.badge.vap{background:#fdeaea;color:var(--vap)}.badge.two{background:#fff3e0;color:var(--warn)}.msg{padding:8px 12px;border-radius:8px;font-size:13px;margin-top:12px}.msg.ok{background:#e7f6ed;color:var(--ok)}.msg.err{background:#fdeaea;color:var(--vap)}.kpi{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:16px}.kpi .box{background:var(--accent-soft);border:1px solid #c9ddff;border-radius:10px;padding:10px 14px;min-width:140px}.kpi .box .v{font-size:20px;font-weight:700}.kpi .box .l{font-size:12px;color:var(--muted)}.footer{padding:14px 20px;color:var(--muted);font-size:12px;border-top:1px solid var(--border);background:var(--panel)}.composition-row{display:grid;grid-template-columns:1fr 90px;gap:8px;align-items:center;margin-bottom:6px}.composition-row .nm{font-size:13px}.composition-row input{width:100%;padding:5px 8px;border:1px solid var(--border);border-radius:6px}.content.wide{display:block}.flowsheet{display:grid;grid-template-columns:300px minmax(0,1fr) 340px;gap:16px;align-items:start}.fs-side{max-height:calc(100vh - 140px);overflow:auto}.fs-canvas{padding:8px;min-width:0;grid-column:2;grid-row:1}.fs-canvas .pfd{display:block;width:100%;height:calc(100vh - 160px);min-height:420px;background:linear-gradient(var(--bg),var(--bg));border:1px solid var(--border);border-radius:8px}.fs-detail{max-height:calc(100vh - 140px);overflow:auto;grid-column:3;grid-row:1}.fs-palette{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:6px 4px 8px;border-bottom:1px solid var(--border)}.fs-palette-lbl{font-size:12px;color:var(--muted);margin-right:2px}@media (max-width: 1280px){.flowsheet{grid-template-columns:1fr}.fs-side,.fs-detail{max-height:none}.fs-canvas,.fs-detail{grid-column:auto;grid-row:auto}.fs-canvas{order:-2}.fs-side{order:-1}.fs-detail{order:1}}.chip{border:1px solid var(--border);background:#fff;color:var(--text);padding:4px 9px;border-radius:14px;font-size:12px;cursor:pointer;transition:all .12s}.chip:hover{border-color:var(--accent);color:var(--accent)}.chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}.editor-hint{display:flex;align-items:center;gap:8px;padding:6px 10px;margin:6px 4px 0;background:#fff4e8;border:1px solid #f3c98a;color:#8a5a12;border-radius:8px;font-size:13px}.editor-tip{padding:6px 10px;margin:6px 4px 0;color:var(--muted);font-size:12px}.btn.danger{background:#c0392b;color:#fff;border:1px solid #a93226}.btn.danger:hover{background:#a93226}.pfd .port-in,.pfd .port-out{transition:r .1s}.pfd circle{cursor:crosshair}.fs-units{display:flex;flex-direction:column;gap:10px}.fs-unit{border:1px solid var(--border);border-radius:8px;padding:8px 10px}.fs-unit-head{display:flex;align-items:center;gap:6px;margin-bottom:6px}.fs-unit-head .dot{width:8px;height:8px;border-radius:50%}.fs-unit-head .muted{color:var(--muted);font-size:12px;margin-left:auto}.fs-spec-row{display:grid;grid-template-columns:1fr 90px;gap:8px;align-items:center;margin-bottom:6px}.fs-spec-row label{font-size:12px;color:var(--muted)}.fs-spec-row input,.composition-list input{width:100%;padding:5px 8px;border:1px solid var(--border);border-radius:6px;font-size:13px}.composition-list{margin-bottom:6px}.fs-sub{font-size:12px;color:var(--muted);margin-bottom:10px;word-break:break-all}.fs-port{display:flex;align-items:center;gap:8px;padding:5px 0;border-bottom:1px solid #eef1f5;font-size:13px}.fs-port .lbl{font-weight:600;width:60px}.fs-port .val{margin-left:auto;color:var(--muted)}.muted{color:var(--muted)}.sm{font-size:12px}.placeholder{color:var(--muted);padding:40px;text-align:center}.hen{display:grid;grid-template-columns:360px 1fr;gap:16px;align-items:start}.hen-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.hen-head h2{margin:0}.hen-head-btns{display:flex;gap:8px}.coupled-banner{margin-top:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.link-btn{border:none;background:none;color:#2f80ed;cursor:pointer;font-size:12px;text-decoration:underline;padding:0}.hen-side{max-height:calc(100vh - 140px);overflow:auto}.hen-tbl th,.hen-tbl td{padding:4px 6px;text-align:center}.hen-tbl .cell{width:100%;padding:4px 6px;border:1px solid var(--border);border-radius:6px;font-size:12px;background:#fff;color:var(--text)}.hen-tbl .cell.num{text-align:right}.hen-tbl .x{border:none;background:none;color:var(--vap);cursor:pointer;font-size:16px;line-height:1}.hen-add{display:flex;gap:8px;margin-top:10px}.btn.sm{padding:6px 10px;font-size:12px}.hen-kpi{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:14px}.hen-kpi .kpi-box{background:var(--accent-soft);border:1px solid #c9ddff;border-radius:10px;padding:8px 10px}.hen-kpi .kpi-box .v{font-size:16px;font-weight:700}.hen-kpi .kpi-box .l{font-size:11px;color:var(--muted)}.hen-plot{display:flex;flex-direction:column;align-items:center;justify-content:center}.pinch-svg{width:100%;max-width:620px;height:auto}.hen-synth{margin-top:16px;border-top:1px dashed var(--border);padding-top:12px}.hen-sub{margin:4px 0 6px;font-size:14px}.hen-note{margin:0 0 4px;font-size:12px;color:var(--muted);line-height:1.45}.hen-net{margin-top:14px;width:100%}.hen-method-toggle{display:inline-flex;gap:6px;margin:2px 0 8px}.hen-method-toggle .seg{border:1px solid var(--border);background:#fff;color:var(--muted);padding:4px 10px;border-radius:8px;font-size:12px;cursor:pointer}.hen-method-toggle .seg.on{background:#2f80ed;color:#fff;border-color:#2f80ed}.hen-tbl .above{color:#a8321f;font-weight:600}.hen-tbl .below{color:#1f4f9c;font-weight:600}@media print{body.printing-pfd header,body.printing-pfd .fs-side,body.printing-pfd .lang,body.printing-pfd .card:not(.fs-canvas),body.printing-pfd .editor-hint,body.printing-pfd .editor-tip{display:none!important}body.printing-pfd .fs-canvas{border:none;box-shadow:none;margin:0}body.printing-pfd .fs-palette{display:none!important}body.printing-pfd .fs-summary{font-size:10px}body.printing-pfd svg.pfd{max-width:100%}}