:root{--bg:#06111d;--panel:#0b1725;--panel2:#0e1d2d;--line:#1b3147;--text:#eef6fb;--muted:#8197aa;--accent:#27d4c3;--accent2:#58a6ff;--warn:#ffb84d;--danger:#ff6b6b;--shadow:0 20px 60px rgba(0,0,0,.28)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 85% -10%,rgba(39,212,195,.12),transparent 30%),linear-gradient(180deg,#06111d 0%,#08131f 100%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{max-width:1480px;margin:auto;padding:0 28px}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.07)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(39,212,195,.45);background:linear-gradient(135deg,rgba(39,212,195,.18),rgba(88,166,255,.08));border-radius:12px;color:var(--accent);font-weight:800;letter-spacing:-.04em}.brand strong,.brand small{display:block}.brand strong{font-size:17px;letter-spacing:-.02em}.brand small{font-size:11px;color:var(--muted);margin-top:2px}.top-actions{display:flex;align-items:center;gap:16px}.status-dot{font-size:12px;color:#9eb1bf}.status-dot i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(39,212,195,.08);margin-right:8px}.ghost,.secondary{background:transparent;border:1px solid var(--line);color:#b9cad7;border-radius:10px;padding:9px 14px;cursor:pointer}.secondary:hover,.ghost:hover{border-color:#2b556e;color:#eef6fb}.hero{display:flex;justify-content:space-between;align-items:flex-end;padding:58px 4px 40px;gap:30px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--accent)}.hero h1{font-size:clamp(42px,6vw,76px);line-height:.94;letter-spacing:-.055em;margin:15px 0 20px;max-width:900px}.hero h1 span{color:#7792a6}.hero p{margin:0;max-width:760px;color:#9db0bf;font-size:16px;line-height:1.65}.hero-badge{min-width:260px;border-left:1px solid var(--line);padding:5px 0 5px 24px}.hero-badge span,.hero-badge small,.hero-badge strong{display:block}.hero-badge span{font-size:10px;color:var(--muted);letter-spacing:.14em}.hero-badge strong{font-size:18px;margin:8px 0 3px}.hero-badge small{color:#738b9d}.panel{background:linear-gradient(180deg,rgba(14,29,45,.98),rgba(8,21,34,.98));border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.drawing-lab{padding:24px;margin-bottom:22px}.drawing-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}.drawing-head>div{display:flex;align-items:center;gap:11px}.drawing-head h2{margin:0;font-size:16px}.drawing-head p{margin:4px 0 0;font-size:10px;color:#688094}.step{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:#10283b;color:var(--accent);font-size:10px;font-weight:800}.chip{font-size:10px;padding:7px 9px;border-radius:999px;background:#11283a;color:#8ca9bd;border:1px solid #1d3c54}.chip.beta{color:#9fd9ff;border-color:#285272;background:#0c2436}.chip.success{color:#76e6c7;border-color:rgba(39,212,195,.25);background:rgba(39,212,195,.08)}.drawing-grid{display:grid;grid-template-columns:minmax(320px,.78fr) 1.22fr;gap:16px}.upload-zone{min-height:310px;border:1px dashed #2c5069;border-radius:16px;background:linear-gradient(180deg,#081826,#071521);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px;transition:.2s}.upload-zone.drag{border-color:var(--accent);background:rgba(39,212,195,.055)}.upload-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:#0d2737;border:1px solid #23475d;color:var(--accent);font-size:25px;margin-bottom:16px}.upload-zone strong{font-size:15px}.upload-zone p{max-width:380px;color:#667f91;font-size:10px;line-height:1.5;margin:8px 0 16px}.drawing-preview{border:1px solid var(--line);border-radius:16px;background:#071521;overflow:hidden;display:flex;flex-direction:column}.preview-toolbar{height:42px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 14px;font-size:10px;color:#71899a}.preview-toolbar span:last-child{color:var(--accent)}.mini-drawing{height:220px;position:relative;overflow:hidden;background:#091725}.grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(74,119,145,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(74,119,145,.08) 1px,transparent 1px);background-size:26px 26px}.route{position:absolute;height:3px;background:linear-gradient(90deg,#2b8591,#35c8bb);box-shadow:0 0 12px rgba(39,212,195,.14)}.r1{width:22%;left:9%;top:62%}.r2{width:3px;height:24%;left:31%;top:38%}.r3{width:40%;left:31%;top:38%}.r4{width:18%;left:71%;top:38%}.tag{position:absolute;font-size:9px;border:1px solid #31566e;background:#0c1f2d;color:#a8bdca;border-radius:7px;padding:5px 7px;z-index:3}.tag-pump{left:23%;top:51%}.tag-valve{left:47%;top:27%}.tag-hx{left:67%;top:27%}.line-label{position:absolute;left:35%;bottom:15px;font-size:9px;color:#70dacd;background:#0c2430;padding:5px 7px;border-radius:6px}.detect-btn{margin:12px 14px 14px;width:calc(100% - 28px)}.detect-btn:disabled{opacity:.45;cursor:not-allowed}.detect-results{margin-top:18px;border-top:1px solid var(--line);padding-top:18px}.hidden{display:none}.detect-summary{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;align-items:stretch}.detect-summary>div{border:1px solid var(--line);background:#081724;border-radius:12px;padding:13px}.detect-summary span,.detect-summary small,.detect-summary strong{display:block}.detect-summary span{font-size:8px;letter-spacing:.12em;color:#647b8d}.detect-summary strong{font-size:15px;margin:4px 0 2px}.detect-summary small{font-size:9px;color:#708799}.detect-summary .secondary{height:100%}.component-table-wrap{overflow-x:auto;margin-top:12px;border:1px solid var(--line);border-radius:13px}.component-table{width:100%;border-collapse:collapse;min-width:700px}.component-table th,.component-table td{padding:11px 13px;text-align:left;border-bottom:1px solid #132b3d;font-size:10px}.component-table th{color:#637b8d;background:#091928;font-weight:600}.component-table td{color:#9eb2c0}.component-table tr:last-child td{border-bottom:0}.component-table input,.component-table select{height:30px;border-radius:7px;border:1px solid #20384d;background:#0d1c2a;color:#fff;padding:0 8px;max-width:120px}.confidence{display:inline-flex;align-items:center;gap:7px}.confidence i{width:40px;height:5px;background:#133146;border-radius:99px;overflow:hidden}.confidence i:after{content:"";display:block;height:100%;width:var(--p);background:var(--accent)}.confidence.low{color:var(--warn)}.confidence.low i:after{background:var(--warn)}.line-trace{margin-top:12px;border:1px solid var(--line);border-radius:13px;padding:14px;background:#081724}.trace-title{display:flex;justify-content:space-between;gap:18px;font-size:9px;color:#667e90}.trace-title strong{color:#aac0cd;font-weight:600}.trace-flow{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;padding:22px 8px 8px}.trace-flow span{font-size:8px;padding:7px 9px;border-radius:7px;border:1px solid #27516b;background:#0b1c2a;color:#9db6c4}.trace-flow i{width:28px;height:2px;background:#298995;position:relative}.trace-flow i:after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-top:1px solid var(--accent);border-right:1px solid var(--accent);transform:rotate(45deg)}.prototype-note{font-size:9px;line-height:1.5;color:#5e7689;margin:12px 2px 0}.workspace{display:grid;grid-template-columns:minmax(360px,500px) 1fr;gap:22px;padding-bottom:28px}.input-panel{padding:24px;align-self:start;position:sticky;top:18px}.panel-head,.visual-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.panel-head>div,.visual-head>div{display:flex;align-items:center;gap:10px}.panel h2{font-size:16px;margin:0;letter-spacing:-.01em}.preset-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:23px 0 18px}.preset-row button{border:1px solid var(--line);background:#091725;color:#879cac;border-radius:10px;padding:10px 6px;font-size:11px;cursor:pointer}.preset-row button.active{border-color:rgba(39,212,195,.42);background:rgba(39,212,195,.09);color:#c9fff8}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.form-grid label{font-size:11px;color:#8fa4b5}.form-grid label>span{float:right;color:#607789}.form-grid input,.form-grid select{width:100%;margin-top:7px;height:43px;border-radius:10px;border:1px solid var(--line);background:#071523;color:#e9f4fa;padding:0 11px;outline:none}.form-grid input:focus,.form-grid select:focus{border-color:#2e8b88;box-shadow:0 0 0 3px rgba(39,212,195,.06)}.divider{display:flex;align-items:center;gap:10px;margin:22px 0 14px;font-size:10px;color:#688093;text-transform:uppercase;letter-spacing:.12em}.divider:after{content:"";height:1px;flex:1;background:var(--line)}.fittings{display:grid;grid-template-columns:1fr 1fr;gap:9px}.fittings label{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);background:#081724;padding:8px 8px 8px 11px;border-radius:10px;color:#9eb2c1;font-size:11px}.fittings input{width:52px;height:30px;border:1px solid #20384d;border-radius:7px;background:#0d1c2a;color:#fff;text-align:center}.primary{width:100%;height:48px;border:0;border-radius:12px;margin-top:20px;background:linear-gradient(135deg,#25d3c1,#33bcb3);color:#03211e;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px}.primary:hover{filter:brightness(1.05)}.primary span{font-size:18px}.note{font-size:9.5px;color:#5d7486;line-height:1.5;margin:12px 4px 0}.results-wrap{display:grid;gap:22px}.results-panel{padding:24px}.headline-result{display:grid;grid-template-columns:1fr 1fr;margin:25px 0 18px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:linear-gradient(135deg,rgba(39,212,195,.075),rgba(88,166,255,.025))}.headline-result>div{padding:24px}.headline-result>div+div{border-left:1px solid var(--line)}.headline-result span{font-size:10px;color:#7590a2;letter-spacing:.12em}.headline-result strong{display:block;font-size:36px;letter-spacing:-.05em;margin:6px 0 1px}.headline-result small{font-size:11px;color:#72899a}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.metric-grid article{border:1px solid var(--line);border-radius:13px;background:#081724;padding:16px}.metric-grid span,.metric-grid small,.metric-grid strong{display:block}.metric-grid span{font-size:10px;color:#708799}.metric-grid strong{font-size:20px;margin:7px 0 3px}.metric-grid small{font-size:9px;color:#597183}.loss-card{margin-top:18px;border:1px solid var(--line);border-radius:15px;padding:18px;background:#081724}.loss-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.loss-head h3{font-size:12px;margin:0}.loss-head span{font-size:10px;color:#7e94a4}.loss-row{display:grid;grid-template-columns:105px 1fr 64px;align-items:center;gap:12px;padding:9px 0;font-size:10px;color:#8096a8}.loss-row strong{text-align:right;color:#bfd0da}.bar{height:5px;background:#10283a;border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:99px;transition:width .45s ease}.engineering-check{display:flex;gap:12px;margin-top:16px;padding:15px;border-radius:13px;border:1px solid rgba(39,212,195,.16);background:rgba(39,212,195,.045)}.engineering-check.warning{border-color:rgba(255,184,77,.25);background:rgba(255,184,77,.05)}.engineering-check.danger{border-color:rgba(255,107,107,.25);background:rgba(255,107,107,.05)}.check-icon{display:grid;place-items:center;width:30px;height:30px;flex:0 0 30px;border-radius:50%;background:rgba(39,212,195,.1);color:var(--accent);font-weight:800}.engineering-check strong{font-size:11px}.engineering-check p{font-size:10px;color:#71899b;margin:4px 0 0;line-height:1.4}.visual-panel{padding:20px 24px}.muted{font-size:10px;color:#667f92}.schematic{min-height:180px;display:flex;align-items:center;justify-content:center;padding:25px 10px}.tank,.hx,.pump{display:grid;place-items:center;flex:0 0 auto}.tank{width:82px;height:72px;border:1px solid #26506a;border-radius:6px 6px 13px 13px;background:linear-gradient(180deg,#0e2638,#0b1b29)}.tank span,.hx span{font-size:8px;color:#89a6b7;font-weight:800}.outlet{border-radius:13px 13px 6px 6px}.pump{width:50px;height:50px;border-radius:50%;border:2px solid rgba(39,212,195,.52);background:rgba(39,212,195,.07);color:var(--accent);font-weight:800}.hx{width:58px;height:68px;border-radius:8px;border:1px solid #345575;background:repeating-linear-gradient(45deg,#0b1b2a,#0b1b2a 5px,#102338 5px,#102338 10px)}.pipe-line{height:2px;width:55px;background:#277f87;position:relative}.pipe-line.long{width:100px}.pipe-line i{position:absolute;right:8px;top:-3px;width:7px;height:7px;border-top:1px solid var(--accent);border-right:1px solid var(--accent);transform:rotate(45deg)}.schematic-meta{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:15px}.schematic-meta span{text-align:center;font-size:9px;color:#61788a}.schematic-meta strong{display:block;font-size:11px;color:#afc2cf;margin-top:3px}footer{display:flex;justify-content:space-between;color:#51697b;font-size:10px;padding:24px 4px 35px;border-top:1px solid rgba(255,255,255,.05)}@media(max-width:1000px){.workspace,.drawing-grid{grid-template-columns:1fr}.input-panel{position:static}.hero-badge{display:none}.detect-summary{grid-template-columns:1fr 1fr}.detect-summary .secondary{min-height:60px}}@media(max-width:650px){.app-shell{padding:0 14px}.topbar{height:70px}.status-dot{display:none}.hero{padding:38px 2px 28px}.hero h1{font-size:43px}.drawing-lab{padding:16px}.drawing-head{align-items:flex-start}.drawing-head .chip{display:none}.upload-zone{min-height:230px}.mini-drawing{height:190px}.detect-summary{grid-template-columns:1fr}.trace-title{display:block}.trace-title strong{display:block;margin-top:5px}.form-grid,.fittings{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr 1fr}.headline-result{grid-template-columns:1fr}.headline-result>div+div{border-left:0;border-top:1px solid var(--line)}.schematic{transform:scale(.83);margin:-12px -28px}.schematic-meta{grid-template-columns:1fr;gap:8px}.preset-row{grid-template-columns:1fr 1fr 1fr}.loss-row{grid-template-columns:85px 1fr 58px}.top-actions{gap:7px}}
