:root{
  --ink:#14181c; --muted:#6b7280; --line:#e5e7eb; --bg:#f6f7f9; --card:#fff;
  --brand:#4f46e5; --brand-2:#7c3aed; --ok:#16a34a; --err:#dc2626;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:24px 18px 60px}
.head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.brand{font-weight:800;letter-spacing:-.02em;font-size:20px}
.brand span{color:var(--brand)}
.brand em{font-weight:500;font-style:normal;font-size:13px;margin-left:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:16px}
h1{font-size:22px;margin:0 0 6px}
h2{font-size:17px;margin:0}
.muted{color:var(--muted)} .tiny{font-size:12px} .mono{font-family:ui-monospace,Menlo,monospace}
.err{color:var(--err);font-size:14px;min-height:1em}
.ok-msg{color:var(--ok);font-size:14px;font-weight:600;min-height:1em}
.lbl{display:block;font-weight:600;font-size:13px;margin:14px 0 6px}
.inp{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:16px;margin-bottom:10px}
.btn{appearance:none;border:1px solid transparent;border-radius:10px;padding:11px 18px;font-size:15px;font-weight:600;cursor:pointer;background:#eef0f3}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:#4338ca}
.btn.ghost{background:#fff;border-color:var(--line)}
.btn.small{padding:7px 12px;font-size:13px}
.btn.big{width:100%;margin-top:12px;padding:14px}
.btn.ghost.small{margin-left:8px}
.docs{margin:14px 0}
.doc{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden}
.doc summary{padding:12px 14px;cursor:pointer;font-weight:600}
.tag{font-size:11px;font-weight:700;color:#fff;background:var(--brand);border-radius:999px;padding:2px 8px;margin-left:6px}
.tag.muted-tag{background:#9ca3af}
.pdf{width:100%;height:420px;border:0;border-top:1px solid var(--line)}
.sigbox{margin-top:8px;border-top:1px solid var(--line);padding-top:16px}
.tabs{display:flex;gap:6px;margin-bottom:10px}
.tab{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer}
.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pad{border:1px dashed #cbd5e1;border-radius:10px;background:#fff;touch-action:none;width:100%;max-width:520px;display:block}
.check{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--muted);margin:16px 0 0;line-height:1.4}
.check input{margin-top:2px}
.done{text-align:center;padding:26px 0}
.check-ic{width:56px;height:56px;border-radius:50%;background:var(--ok);color:#fff;font-size:30px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.env-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.tbl{width:100%;border-collapse:collapse;margin:8px 0;font-size:13px}
.tbl th{text-align:left;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line);padding:6px 8px}
.tbl td{border-bottom:1px solid var(--line);padding:8px}
.badge{font-size:11px;font-weight:700;border-radius:999px;padding:2px 9px;text-transform:capitalize}
.b-pending,.b-draft{background:#f1f5f9;color:#475569}
.b-otp_sent,.b-sent{background:#fef3c7;color:#92400e}
.b-otp_verified{background:#dbeafe;color:#1e40af}
.b-signed,.b-completed{background:#dcfce7;color:#166534}
a{color:var(--brand)}
.signerrow,.docrow{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.signerrow .inp,.docrow .inp{margin-bottom:0}
.docrow .dname{flex:1}
.check.inline{margin:0;white-space:nowrap;color:var(--ink)}
#result .btn{margin-right:8px}
.login-bg{background:linear-gradient(135deg,#e9ebfb 0%,#f6f7f9 55%)}
.login-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 30px;width:100%;max-width:380px;box-shadow:0 12px 44px rgba(30,27,75,.10)}
.login-brand{font-weight:800;font-size:26px;letter-spacing:-.02em;margin-bottom:4px}
.login-brand span{color:var(--brand)}
.login-sub{color:var(--muted);font-size:14px;margin:0 0 22px}
.login-card .lbl:first-of-type{margin-top:0}
.login-foot{margin-top:18px}