:root{--bg:#f4f7fb;--panel:#fff;--panel2:#eef3f8;--text:#17212b;--muted:#64748b;--line:#d8e0ea;--accent:#0d8b7c;--accent2:#0b6f91;--danger:#c2413b;--warn:#b7791f;--ok:#198754;--shadow:0 14px 40px rgba(18,38,63,.1);--radius:18px;--grid:rgba(36,68,95,.09)}
:root[data-theme=dark]{--bg:#0d141b;--panel:#141f29;--panel2:#1a2834;--text:#edf4f8;--muted:#9eb0bf;--line:#2a3c4b;--accent:#29c7b5;--accent2:#48b9e6;--danger:#ff7c73;--warn:#f0b85c;--ok:#66d49a;--shadow:0 16px 50px rgba(0,0,0,.32);--grid:rgba(170,210,230,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--panel) 92%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav{height:68px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:850;font-size:1.15rem}.brand-mark{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:var(--shadow)}.nav-links{display:flex;gap:18px;margin-left:auto}.nav-links a{color:var(--text);font-weight:650}.nav-actions{display:flex;gap:8px}.icon-btn,.btn{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:9px 13px;box-shadow:0 2px 8px rgba(0,0,0,.04)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));border:0;color:#fff}.btn.danger{color:var(--danger)}.btn.small{padding:6px 10px;font-size:.88rem}.hero{padding:74px 0 50px;background:radial-gradient(circle at 10% 20%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 40%),radial-gradient(circle at 88% 14%,color-mix(in srgb,var(--accent2) 15%,transparent),transparent 37%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 11px;border-radius:999px;background:color-mix(in srgb,var(--accent) 13%,var(--panel));color:var(--accent);font-weight:800;font-size:.84rem}.hero h1{font-size:clamp(2.3rem,6vw,4.8rem);line-height:1.02;letter-spacing:-.055em;margin:18px 0}.hero p{font-size:1.15rem;color:var(--muted);max-width:700px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.hero-card,.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:18px}.mini-schematic{width:100%;height:auto;background:var(--panel2);border-radius:15px}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.trust{padding:12px;border-radius:13px;background:var(--panel2);font-size:.88rem}.section{padding:58px 0}.section.alt{background:var(--panel2)}.section h2{font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.035em;margin:0 0 10px}.lead{color:var(--muted);max-width:760px}.feature-grid,.tool-grid,.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.feature,.tool-card,.guide-card{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.feature h3,.tool-card h3,.guide-card h3{margin:10px 0 8px}.feature p,.tool-card p,.guide-card p{color:var(--muted)}.feature-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 13%,var(--panel));color:var(--accent);font-size:1.3rem}.ad-slot{min-height:110px;border:1px dashed var(--line);border-radius:14px;display:grid;place-items:center;color:var(--muted);background:var(--panel);margin:24px auto}.breadcrumbs{padding:14px 0;color:var(--muted);font-size:.9rem}.page-hero{padding:38px 0 24px}.page-hero h1{font-size:clamp(2rem,5vw,3.7rem);letter-spacing:-.045em;line-height:1.05;margin:8px 0}.page-hero p{color:var(--muted);max-width:820px}.app-shell{width:min(1500px,calc(100% - 20px));margin:12px auto 48px;background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.app-toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:10px;border-bottom:1px solid var(--line);background:var(--panel2)}.app-body{display:grid;grid-template-columns:230px minmax(420px,1fr) 310px;min-height:680px}.palette,.inspector{padding:14px;background:var(--panel);overflow:auto}.palette{border-right:1px solid var(--line)}.inspector{border-left:1px solid var(--line)}.workspace{position:relative;min-width:0;background-color:#fbfdff;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:20px 20px;overflow:hidden}:root[data-theme=dark] .workspace{background-color:#101a22}.schematic{width:100%;height:520px;display:block;touch-action:none}.component{cursor:grab}.component.selected .selection{display:block}.selection{display:none;fill:none;stroke:var(--accent);stroke-width:2;stroke-dasharray:5 4}.pin{fill:var(--panel);stroke:var(--accent2);stroke-width:2;cursor:crosshair}.wire{stroke:var(--accent2);stroke-width:2.4;fill:none}.node-label{font-size:11px;fill:var(--muted)}.component-label{font-weight:700;font-size:12px;fill:var(--text)}.component-value{font-size:11px;fill:var(--muted)}.palette-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.palette-item{border:1px solid var(--line);border-radius:12px;background:var(--panel2);padding:10px 6px;min-height:70px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;font-size:.78rem;font-weight:700}.palette-item:hover{border-color:var(--accent)}.sidebar-title{font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:800;margin:12px 0 8px}.field{display:grid;gap:6px;margin-bottom:12px}.field label{font-size:.8rem;font-weight:750;color:var(--muted)}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:var(--panel2);padding:9px}.field textarea{min-height:120px;resize:vertical}.tabs{display:flex;gap:5px;overflow:auto;border-bottom:1px solid var(--line);padding:0 12px;background:var(--panel)}.tab-btn{border:0;background:transparent;padding:11px 13px;color:var(--muted);font-weight:750;white-space:nowrap;border-bottom:3px solid transparent}.tab-btn.active{color:var(--accent);border-color:var(--accent)}.tab-panel{display:none;padding:14px}.tab-panel.active{display:block}.lower-panel{border-top:1px solid var(--line);background:var(--panel);min-height:250px}.statusbar{display:flex;flex-wrap:wrap;gap:14px;padding:8px 12px;border-top:1px solid var(--line);font-size:.8rem;color:var(--muted);background:var(--panel2)}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.metric{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--panel2)}.metric strong{display:block;font-size:1.1rem}.issues{display:grid;gap:8px}.issue{padding:10px;border-left:4px solid var(--warn);background:color-mix(in srgb,var(--warn) 10%,var(--panel));border-radius:8px}.issue.error{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--panel))}.issue.info{border-color:var(--accent2)}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;font-size:.88rem}.data-table th,.data-table td{border-bottom:1px solid var(--line);padding:9px;text-align:left}.data-table th{color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.05em}.chart{width:100%;height:280px;background:var(--panel2);border-radius:12px;border:1px solid var(--line)}.split{display:grid;grid-template-columns:1fr 1fr;gap:14px}.calculator-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.calculator{padding:15px;border:1px solid var(--line);border-radius:14px;background:var(--panel2)}.calculator h3{margin-top:0}.notice{padding:13px 15px;border-radius:12px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));background:color-mix(in srgb,var(--accent) 8%,var(--panel));}.warning{border-color:color-mix(in srgb,var(--warn) 40%,var(--line));background:color-mix(in srgb,var(--warn) 10%,var(--panel))}.docs{max-width:860px}.docs h2{margin-top:2.2em}.docs h3{margin-top:1.7em}.docs p,.docs li{color:color-mix(in srgb,var(--text) 87%,var(--muted))}.faq details{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:14px 16px;margin:9px 0}.faq summary{font-weight:800;cursor:pointer}.site-footer{padding:45px 0;background:#091116;color:#dce8ee}.footer-grid{display:grid;grid-template-columns:1.1fr 2fr;gap:40px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.footer-links a,.network-projects a{color:#dce8ee}.network-projects{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.network-projects a{background:#12232d;padding:7px 10px;border-radius:9px}.muted{color:var(--muted)}.mobile-only{display:none}.toast{position:fixed;right:20px;bottom:20px;z-index:100;background:var(--text);color:var(--panel);padding:12px 15px;border-radius:12px;box-shadow:var(--shadow);max-width:360px}.spinner{width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1050px){.app-body{grid-template-columns:190px 1fr}.inspector{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.feature-grid,.tool-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.container{width:min(100% - 22px,1180px)}.nav-links{display:none}.menu-open .nav-links{position:absolute;top:68px;left:0;right:0;display:grid;background:var(--panel);padding:16px;border-bottom:1px solid var(--line)}.mobile-only{display:inline-flex}.hero{padding-top:44px}.hero-grid{grid-template-columns:1fr}.hero h1{font-size:2.65rem}.trust-row{grid-template-columns:1fr}.feature-grid,.tool-grid,.guide-grid{grid-template-columns:1fr}.app-shell{width:100%;border-radius:0;border-left:0;border-right:0}.app-body{display:block}.palette{border-right:0;border-bottom:1px solid var(--line);padding:10px}.palette-grid{grid-template-columns:repeat(5,90px);overflow:auto}.palette-item{min-height:58px}.workspace{height:480px}.schematic{height:480px}.inspector{display:block}.lower-panel{min-height:300px}.split{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.app-toolbar .btn span{display:none}.page-hero{padding-top:24px}}