:root{color-scheme:light;--bg: #eef4ff;--bg-strong: #dfe9fb;--surface: rgba(255, 255, 255, .84);--surface-strong: #f9fbff;--ink: #132033;--muted: #5d6b82;--accent: #1677ff;--accent-soft: #d9e8ff;--accent-strong: #0f5ed8;--warning: #9a6400;--warning-bg: #fff4d9;--error: #c43d36;--error-bg: #ffe4e1;--line: #222831;--symbol: #101418;--grid: rgba(16, 20, 24, .07);--shadow: 0 24px 60px rgba(52, 84, 143, .12);font-family:Satoshi,Avenir Next,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at top left,rgba(22,119,255,.16),transparent 30%),radial-gradient(circle at top right,rgba(44,208,255,.16),transparent 24%),linear-gradient(180deg,#f8fbff 0%,var(--bg) 100%)}button,textarea{font:inherit}.app-shell{width:min(1400px,calc(100vw - 32px));margin:0 auto;padding:28px 0 48px}.hero-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;padding:28px;border:1px solid rgba(22,119,255,.1);border-radius:28px;background:linear-gradient(135deg,#fffffff2,#ebf4ffeb);box-shadow:var(--shadow)}.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;color:var(--accent);font-weight:700}.hero-panel h1{margin:0;font-size:clamp(2rem,4vw,3.8rem);line-height:.94;max-width:11ch}.hero-copy{margin:14px 0 0;max-width:60ch;font-size:1.03rem;line-height:1.65;color:var(--muted)}.hero-note{min-width:250px;padding:18px 20px;border-radius:20px;background:linear-gradient(180deg,#1677ff1a,#2cd0ff14);border:1px solid rgba(22,119,255,.18)}.hero-note span{display:block;margin-bottom:8px;font-size:.84rem;color:var(--muted)}.hero-note strong{display:block;line-height:1.45}.workspace-grid{display:grid;grid-template-columns:minmax(320px,.95fr) minmax(360px,1.25fr);gap:22px;margin-top:22px}.info-grid,.seo-section{display:grid;gap:22px;margin-top:22px}.landing-links{margin-top:22px;padding:24px;border-radius:24px;border:1px solid rgba(22,119,255,.08);background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow)}.landing-links-head h2{margin:0;font-size:1.35rem;line-height:1.15}.landing-links-head p:last-child{margin:14px 0 0;color:var(--muted);line-height:1.7}.landing-link-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:18px}.landing-link-card{display:block;padding:18px;border-radius:20px;border:1px solid rgba(22,119,255,.12);background:linear-gradient(180deg,#fffffffa,#f4f8fff5);color:inherit;text-decoration:none}.landing-link-card:hover{border-color:#1677ff47;transform:translateY(-1px)}.landing-link-card span{display:block;margin-bottom:10px;color:var(--accent);font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700}.landing-link-card strong{display:block;line-height:1.5}.info-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.seo-section{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.info-card,.seo-card{padding:22px;border-radius:24px;border:1px solid rgba(22,119,255,.08);background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow)}.info-kicker{margin:0 0 10px;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-size:.74rem;font-weight:700}.info-card h2,.seo-card h2{margin:0;font-size:1.35rem;line-height:1.15}.info-card p,.seo-card p{margin:14px 0 0;color:var(--muted);line-height:1.7}.faq-card h3{margin:18px 0 0;font-size:1rem;color:var(--ink)}.editor-panel,.preview-panel{min-height:720px;padding:22px;border-radius:24px;border:1px solid rgba(22,119,255,.08);background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow)}.panel-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:16px}.panel-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.panel-title{margin:0;font-size:1.05rem;font-weight:700}.panel-subtitle{margin:6px 0 0;color:var(--muted);font-size:.92rem}.ghost-button,.stat-chip{border:1px solid rgba(22,119,255,.12);background:var(--surface-strong);border-radius:999px;padding:10px 14px}.ghost-button{cursor:pointer}.ghost-button:hover{border-color:#1677ff59;color:var(--accent)}.ghost-button:disabled{cursor:not-allowed;opacity:.45}.accent-button{border-color:#1677ff33;background:linear-gradient(180deg,#1677ff1f,#2cd0ff1a);color:var(--accent);font-weight:700}.stat-chip{color:var(--accent);font-weight:700}.code-editor{width:100%;min-height:590px;resize:vertical;border:1px solid rgba(22,119,255,.14);border-radius:18px;background:linear-gradient(transparent 31px,#1320330d 32px),linear-gradient(90deg,#1677ff1a,#1677ff1a) 48px 0 / 1px 100% no-repeat,#fbfdff;background-size:100% 32px;padding:18px 18px 18px 62px;color:var(--ink);line-height:2;font-family:SFMono-Regular,Menlo,monospace;font-size:.95rem}.message{margin:14px 0 0;padding:14px 16px;border-radius:14px;font-size:.92rem}.message.error{background:var(--error-bg);color:var(--error)}.message.warning{background:var(--warning-bg);color:var(--warning)}.message p{margin:0}.message p+p{margin-top:8px}.preview-stack{display:grid;gap:16px}.export-stage{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none}.network-card{padding:16px;border-radius:20px;background:linear-gradient(180deg,#fffffffa,#f4f8fff5);border:1px solid rgba(22,119,255,.08)}.network-header{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:12px}.network-index{display:inline-block;margin-bottom:6px;font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);font-weight:700}.network-source{margin:0;font-family:SFMono-Regular,Menlo,monospace;font-size:.88rem;color:var(--muted)}.network-kind{border-radius:999px;padding:6px 10px;background:#1677ff14;color:var(--accent);font-size:.78rem;font-weight:700}.ladder-svg{width:100%;border-radius:14px;background:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px),#fcfcfc;background-size:28px 28px}.rail,.wire,.symbol{fill:none;stroke-linecap:round;stroke-linejoin:round}.rail{stroke:var(--line);stroke-width:3}.wire{stroke:var(--line);stroke-width:2.2}.symbol{stroke:var(--symbol);stroke-width:2.2}.compare-block{fill:#fff;stroke:var(--symbol);stroke-width:1.9}.device-label,.coil-flag,.timer-title,.timer-instance,.timer-port,.timer-port-value,.instruction-title,.instruction-instance,.instruction-port,.instruction-value,.export-title,.export-source,.compare-operator,.compare-label{fill:var(--ink)}.device-label{font-size:10px;font-family:SFMono-Regular,Menlo,monospace}.compare-operator,.compare-label{font-family:SFMono-Regular,Menlo,monospace}.compare-operator{font-size:10px;font-weight:700}.compare-label{font-size:9px}.coil-flag{font-size:12px;font-weight:700}.timer-block,.counter-block{fill:#fff;stroke:var(--symbol);stroke-width:1.9}.instruction-block{fill:#fbfbfb;stroke:var(--symbol);stroke-width:1.9}.timer-pin,.counter-pin,.instruction-pin{stroke:var(--symbol);stroke-width:1.4}.timer-title,.timer-instance,.timer-port,.timer-port-value,.counter-title,.counter-instance,.counter-port,.counter-port-value,.instruction-title,.instruction-instance,.instruction-port,.instruction-value{font-family:SFMono-Regular,Menlo,monospace}.timer-title,.counter-title{font-size:10px;font-weight:700}.timer-instance,.counter-instance{font-size:9px;fill:#0077a8;font-weight:700}.timer-port,.timer-port-value,.counter-port,.counter-port-value{font-size:8px}.counter-port-value{fill:#334155}.instruction-title{font-size:10px;font-weight:700}.instruction-instance{font-size:9px;fill:#0077a8;font-weight:700}.instruction-port,.instruction-value{font-size:8px}.instruction-value{fill:#334155}.export-title,.export-source{font-family:SFMono-Regular,Menlo,monospace}.export-title{font-size:12px;font-weight:700}.export-source{font-size:10px;fill:var(--muted)}.export-svg{width:0;height:0}.empty-state{display:grid;place-items:center;min-height:260px;border-radius:18px;border:1px dashed rgba(22,119,255,.2);color:var(--muted);background:#ffffffb8}@media (max-width: 980px){.hero-panel,.workspace-grid,.info-grid,.seo-section,.landing-link-grid{grid-template-columns:1fr}.editor-panel,.preview-panel{min-height:auto}.code-editor{min-height:420px}}
