*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink)}
.top{display:flex;align-items:center;gap:12px;padding:10px 20px;background:#fff;border-bottom:3px solid var(--p);position:sticky;top:0;z-index:20}
.top img{height:34px}.top nav{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap}.top nav a{color:var(--ink);text-decoration:none;font-weight:600}
.lab{background:#ffb703;color:#000;font-size:11px;font-weight:700;padding:2px 6px;border-radius:4px}
main{max-width:1100px;margin:20px auto;padding:0 14px}.card{background:#fff;border-radius:10px;padding:22px;box-shadow:0 1px 4px rgba(0,0,0,.08);margin-bottom:16px}
.narrow{max-width:440px;margin:40px auto}h1{font-size:22px;margin-top:0}h2{font-size:16px;margin-top:22px}
label{display:block;margin:8px 0;font-size:13px;font-weight:600}input,select,textarea{display:block;width:100%;padding:8px;border:1px solid #c9d4d8;border-radius:6px;font:inherit;margin-top:3px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.grid .full,.grid .row{grid-column:1/-1}.full{width:100%}.mono{font-family:monospace;font-size:12px}
.btn{display:inline-block;background:var(--p);color:#fff;border:0;border-radius:6px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none;font-size:14px}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--p)}.btn.sm{padding:5px 10px;font-size:12px}.row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.row form{margin:0}
table.list{width:100%;border-collapse:collapse;font-size:13px}table.list td,table.list th{border-bottom:1px solid #e3eaec;padding:6px;text-align:left;vertical-align:top}
.st{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;background:#e8eef0}.st-signed_customer{background:#fff1c2}.st-countersigned{background:#c9f2d4}.st-changes_proposed{background:#ffd9d2}.st-viewed{background:#dbe9ff}.st-sent{background:#e0f6f8}
.muted{color:#6b7b80}.notice{background:#e0f6f8;padding:10px;border-radius:6px;margin:10px 0}.copy{font-family:monospace;font-size:12px}
.doc{background:#fff;max-width:820px;margin:0 auto;padding:40px 48px;box-shadow:0 2px 10px rgba(0,0,0,.1);font-size:14px;line-height:1.6}
.doc h3{font-size:15px;margin:16px 0 4px}.doc p{margin:4px 0}.doc .c{text-align:center}.doc .r{text-align:right}.doc .b{font-weight:700}.doc .big{font-size:20px}
.doc table{width:100%;border-collapse:collapse;font-size:12px;margin:8px 0}.doc td{border:1px solid #bbb;padding:4px}.doc .pb{border-top:2px dashed #ccc;margin:26px 0}
.tbd{color:#b00;font-weight:700}
.fld{display:inline-block;min-width:110px;padding:1px 6px;margin:0 2px;border:0;border-bottom:2px solid var(--p);background:#fff8d6;border-radius:3px;font:inherit;font-weight:600}
.fld.cur{outline:3px solid #ffb703;background:#ffe58a}.fld.ok{background:#e9f9ef}.fld.ok.cur{background:#ffe58a}.fld.miss{background:#ffe1dc}
.mirror{background:#eef8fa;padding:0 3px;border-radius:3px;font-weight:600}
.sigslot{border:2px dashed var(--p);min-height:70px;border-radius:6px;padding:6px;background:#f6fdfe;cursor:pointer}.sigslot.cur{outline:3px solid #ffb703}.sigslot img{max-height:60px}
.signbox td{width:50%;vertical-align:top}
.guide{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:3px solid var(--p);padding:10px 16px;display:flex;gap:10px;align-items:center;z-index:30;box-shadow:0 -2px 8px rgba(0,0,0,.1)}
.guide .lbl{flex:1;font-size:13px}.signer main{padding-bottom:90px}
.panel{max-width:820px;margin:16px auto}.tabs button{margin-right:6px}
#pad{width:100%;max-width:520px;height:170px;border:1px solid #aaa;border-radius:6px;touch-action:none;background:#fff;display:block}
.remarks{background:#ffe9e4;border-left:4px solid #e76f51;padding:10px;margin-bottom:12px;white-space:pre-wrap}
@media(max-width:700px){.doc{padding:18px}.grid{grid-template-columns:1fr}}

#signlink{flex:1;min-width:260px}