:root{--bg:#f3f6fa;--card:#fff;--ink:#182230;--muted:#6b7789;--line:#dfe5ec;--blue:#1769e0;--soft:#eef5ff;--red:#d92d20;--green:#16865c;--orange:#d97706;--shadow:0 10px 28px #18223010}
[data-theme=dark]{--bg:#0c131d;--card:#131e2b;--ink:#edf3fa;--muted:#9ba9bb;--line:#29394c;--blue:#68a5ff;--soft:#182b44;--shadow:0 10px 28px #0005}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
header{height:78px;padding:15px 24px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}h1{font-size:21px;margin:0}header p,.viewbar p{margin:4px 0 0;color:var(--muted);font-size:12px}.toolbar,.tabs{display:flex;gap:7px;flex-wrap:wrap}
button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:9px;padding:8px 11px;cursor:pointer}button:hover{border-color:var(--blue)}button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
main{display:grid;grid-template-columns:365px 1fr;gap:16px;padding:16px;max-width:1600px;margin:auto}.panel,.workspace{background:var(--card);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}.panel{padding:17px}.panel h2,.viewbar h2{font-size:15px;margin:0 0 13px}
label{display:block;font-size:11px;font-weight:700;color:var(--muted);margin:0 0 11px}input,select,textarea{display:block;width:100%;margin-top:5px;border:1px solid var(--line);border-radius:8px;padding:9px;background:var(--card);color:var(--ink);font:inherit;font-size:13px}textarea{min-height:58px;resize:vertical}.two{display:grid;grid-template-columns:1fr 1fr;gap:9px}.wide{width:100%}.sectionTitle{display:flex;justify-content:space-between;align-items:center;margin-top:19px}.sectionTitle span{font-size:10px;color:var(--muted)}
.templates{display:flex;gap:5px;flex-wrap:wrap;margin-top:14px;padding-top:13px;border-top:1px solid var(--line)}.templates b{width:100%;font-size:11px;color:var(--muted)}.templates button{font-size:10px;padding:6px 8px}
.workspace{padding:18px;min-width:0}.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.summary>div{border:1px solid var(--line);padding:10px 12px;border-radius:10px}.summary small{display:block;color:var(--muted);font-size:9px}.summary b{display:block;margin-top:3px;font-size:15px}
.viewbar{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid var(--line);padding:18px 2px 13px}.viewbar h2{margin:0}.tabs button.active{background:var(--soft);border-color:var(--blue);color:var(--blue)}
#canvas{min-height:580px;padding:22px 8px}.empty{text-align:center;color:var(--muted);padding:130px 20px}.empty .big{font-size:46px;margin-bottom:12px}
.flow{display:flex;flex-direction:column;align-items:center}.step{width:min(660px,92%);display:grid;grid-template-columns:78px 1fr auto;gap:14px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:var(--card);box-shadow:0 5px 18px #1822300a;position:relative}.step.block{border-color:#f3b8b4}.step.success{border-color:#a7dbc8}
.iconbox{display:flex;flex-direction:column;align-items:center;gap:5px}.icon{width:48px;height:48px;border-radius:13px;background:var(--soft);display:grid;place-items:center;color:var(--blue)}.icon svg{width:27px;height:27px}.actor{font-size:9px;text-transform:uppercase;color:var(--muted);text-align:center}.step h3{font-size:14px;margin:0 0 4px}.step p{font-size:12px;color:var(--muted);margin:0;line-height:1.45}.meta{margin-top:6px;font-size:10px;color:var(--blue)}.del{border:0;background:transparent;color:var(--muted);font-size:18px}.connector{height:42px;width:2px;background:var(--line);position:relative}.connector:after{content:"";position:absolute;bottom:0;left:-4px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid var(--line)}
.timeline{position:relative;margin:15px auto;max-width:850px}.titem{display:grid;grid-template-columns:70px 30px 1fr;gap:8px;min-height:90px}.tline{position:relative}.tline:before{content:"";position:absolute;left:14px;top:0;bottom:0;width:2px;background:var(--line)}.tdot{position:relative;margin-top:4px;width:14px;height:14px;border-radius:50%;background:var(--blue);left:8px;z-index:2;border:3px solid var(--card);box-shadow:0 0 0 2px var(--blue)}.tcontent h3{margin:0;font-size:13px}.tcontent p{margin:4px 0;color:var(--muted);font-size:12px}.tech{max-width:900px;margin:auto}.techrow{border-bottom:1px solid var(--line);padding:13px 4px;display:grid;grid-template-columns:70px 110px 1fr;gap:10px;font-size:12px}.techrow b{font-size:11px}.techrow small{color:var(--muted)}
@media(max-width:900px){header{height:auto;align-items:flex-start;flex-direction:column}main{grid-template-columns:1fr}.summary{grid-template-columns:1fr 1fr}.step{width:100%}}
@media print{header,.editor,.tabs,.del{display:none!important}body{background:#fff}main{display:block;padding:0}.workspace{border:0;box-shadow:none}.summary{grid-template-columns:repeat(4,1fr)}}