.hch-ga{--hch-accent:#3f5a3a;--hch-border:#d6d3cc;--hch-bg:#fff;--hch-muted:#6b6862;max-width:820px;margin:0 auto;font-size:16px;line-height:1.5;color:#222}
.hch-ga *{box-sizing:border-box}
.hch-ga__card{background:var(--hch-bg);border:1px solid var(--hch-border);border-radius:10px;padding:20px;margin:0 0 18px}
.hch-ga h3{margin:0 0 12px;font-size:1.15em}
.hch-ga__muted{color:var(--hch-muted);font-weight:400;font-size:.9em}
.hch-ga__viewer{border:1px solid var(--hch-border);border-radius:6px;overflow:hidden;height:480px;margin-bottom:8px;background:#f4f3f0}
.hch-ga__viewer iframe{width:100%;height:100%;border:0}
.hch-ga__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hch-ga__full{grid-column:1/-1}
.hch-ga label{display:block;font-weight:600;font-size:.95em}
.hch-ga input:not([type=checkbox]){display:block;width:100%;margin-top:4px;padding:10px 12px;border:1px solid var(--hch-border);border-radius:6px;font:inherit;font-weight:400;background:#fff}
.hch-ga input:focus{outline:2px solid var(--hch-accent);outline-offset:1px}
.hch-ga input.hch-ga--bad{border-color:#b3261e;background:#fff6f5}
.hch-ga__check{display:flex!important;gap:10px;align-items:flex-start;font-weight:400!important;margin:0 0 10px}
.hch-ga__check input{margin-top:4px;width:18px;height:18px;flex:none}
.hch-ga__check.hch-ga--bad{color:#b3261e}
.hch-ga__sig{margin-top:18px}
.hch-ga__sig-head{display:flex;justify-content:space-between;align-items:center;font-weight:600;margin-bottom:4px}
.hch-ga__clear{background:none;border:1px solid var(--hch-border);border-radius:5px;padding:3px 10px;font-size:.85em;cursor:pointer;color:#222}
.hch-ga__sig canvas{display:block;width:100%;height:150px;border:1px dashed #9a968d;border-radius:6px;background:#fffef9;touch-action:none;cursor:crosshair}
.hch-ga__sig.hch-ga--bad canvas{border-color:#b3261e;background:#fff6f5}
.hch-ga__sig-name{color:var(--hch-muted);font-size:.9em;margin-top:4px}
.hch-ga__hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.hch-ga__error{background:#fff1f0;border:1px solid #e3b4b0;color:#8c1d18;border-radius:6px;padding:10px 14px;margin-bottom:14px}
.hch-ga__submit{display:block;width:100%;padding:14px;border:0;border-radius:8px;background:var(--hch-accent);color:#fff;font-size:1.05em;font-weight:600;cursor:pointer}
.hch-ga__submit:disabled{opacity:.6;cursor:wait}
.hch-ga__done{border:1px solid var(--hch-border);border-radius:10px;padding:24px;text-align:center;background:#f6f8f4}
.hch-ga__download{display:inline-block;padding:10px 18px;border-radius:6px;background:var(--hch-accent);color:#fff!important;text-decoration:none;font-weight:600}
@media (max-width:600px){.hch-ga__grid{grid-template-columns:1fr}.hch-ga__card{padding:16px}.hch-ga__viewer{height:360px}}