:root{--accent:#2563eb;--bg:#f8fafc;--line:#e5e7eb;--text:#111827;--muted:#6b7280}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent)}h1{font-size:22px;margin:0 0 12px}h2{font-size:17px;margin:0 0 10px}
.shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}
.side{background:#fff;border-right:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:16px}
.brand{font-weight:700;font-size:18px}.brand small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--text)}
.side nav a.on{background:color-mix(in srgb,var(--accent) 12%,#fff);color:var(--accent);font-weight:600}
.who{margin-top:auto;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--muted)}
.langs a{margin-right:8px;text-decoration:none;color:var(--muted);font-size:12px}.langs a.on{color:var(--accent);font-weight:700}
main{padding:24px;min-width:0}main.center{display:grid;place-items:center;min-height:100vh;padding:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}
.card.narrow{width:min(420px,100%)}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0}
input,select,textarea{display:block;width:100%;padding:9px 10px;border:1px solid #d1d5db;border-radius:8px;font:inherit;background:#fff;color:var(--text);margin-top:4px}
.btn{display:inline-block;padding:9px 14px;border-radius:8px;border:1px solid transparent;font:inherit;cursor:pointer;text-decoration:none}
.btn-sm{padding:4px 9px;font-size:13px}
.btn-dark{background:var(--accent);color:#fff}.btn-green{background:#15803d;color:#fff}.btn-red{background:#b91c1c;color:#fff}
.btn-light{background:#fff;border-color:#d1d5db;color:var(--text)}
.msg{padding:10px 12px;border-radius:8px;background:#ecfdf5;border:1px solid #a7f3d0;margin:10px 0;overflow-wrap:anywhere}
.msg.err,.err{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.muted{color:var(--muted)}code{background:#f3f4f6;padding:1px 5px;border-radius:4px;word-break:break-all}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;align-items:end}
.pill{display:inline-block;padding:2px 10px;border:1px solid var(--line);border-radius:999px;font-size:12px;background:#f9fafb}
.actions{display:flex;gap:6px}.actions form,form.inline{display:inline}.qr svg{max-width:220px;height:auto}
@media(max-width:800px){.shell{grid-template-columns:1fr}.side{border-right:0;border-bottom:1px solid var(--line)}}
.bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}.bar input,.bar select{width:auto;margin:0}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}.cols.wide{grid-template-columns:minmax(0,2fr) minmax(280px,1fr)}
.task{border:1px solid var(--line);border-radius:8px;padding:10px;margin:8px 0}h3{font-size:14px;margin:10px 0 4px}
.pill.stage{background:var(--accent);color:#fff;border-color:var(--accent)}.x{border:0;background:none;cursor:pointer;color:var(--muted)}
.board{display:flex;gap:10px;overflow-x:auto;padding-bottom:12px;align-items:flex-start}
.col{background:#eef2f7;border-radius:10px;min-width:200px;width:200px;padding:8px}.col.parked{background:#fef9c3}
.colhead{font-size:12px;font-weight:600;margin-bottom:6px}.col-cards{min-height:40px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;margin-bottom:6px;font-size:13px;cursor:grab}
.sigpad{width:100%;max-width:520px;height:160px;border:1px dashed #9ca3af;border-radius:8px;background:#fff;touch-action:none;cursor:crosshair}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}label.check{display:flex;gap:8px;align-items:flex-start}label.check input{width:auto;margin-top:3px}