:root {
  --red: #D7000F; --black: #000; --off: #FDFDFD; --ink: #222; --muted: #666; --line: #E3E3E3; --panel: #F4F4F4;
  --ok: #2E7D32; --okbg: #E7F3E4; --warn: #8A6A00; --warnbg: #F8EED6; --bad: #C0392B; --badbg: #F8E6E6;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--off); color: var(--ink); font: 16px/1.45 var(--font); -webkit-text-size-adjust: 100%; }
a { color: var(--red); }
.bar { background: var(--black); border-bottom: 4px solid var(--red); padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.bar .logo { height: 40px; width: auto; display: block; }
.bar .tag { color: var(--off); font-weight: 700; letter-spacing: .12em; font-size: 12px; text-transform: uppercase; }
.wrap { max-width: 760px; margin: 0 auto; padding: 16px; }
.wrap.wide { max-width: 1180px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin: 0 0 16px; }
h1 { font-size: 22px; margin: 0 0 6px; letter-spacing: .01em; }
h2 { font-size: 13px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--red); }
.muted { color: var(--muted); font-size: 14px; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; font-size: 14px; margin: 10px 0 0; }
.meta dt { color: var(--muted); } .meta dd { margin: 0; word-break: break-word; }
label { display: block; font-weight: 700; font-size: 14px; margin: 12px 0 6px; }
input[type=text], input[type=email], input[type=number], input[type=password], select, input[type=file] {
  width: 100%; font: inherit; padding: 12px; border: 1px solid #BDBDBD; border-radius: 8px; background: #fff; color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--red); outline-offset: 1px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; } @media (max-width: 640px) { .row { grid-template-columns: 1fr; } }
.radio { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 6px 0; }
.radio input, .check input { width: 22px; height: 22px; accent-color: var(--red); flex: none; margin: 1px 0 0; }
.check { display: flex; gap: 12px; align-items: flex-start; font-weight: 700; margin: 16px 0; font-size: 16px; }
.btn { appearance: none; border: 0; border-radius: 8px; background: var(--black); color: var(--off); font: 700 16px var(--font); padding: 14px 18px; cursor: pointer; letter-spacing: .02em; }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.red { background: var(--red); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid #BDBDBD; }
.btn.small { font-size: 13px; padding: 7px 10px; }
.btn.block { width: 100%; display: block; padding: 17px; font-size: 18px; }
.notice { border-left: 4px solid var(--red); background: var(--panel); padding: 10px 12px; font-size: 13px; border-radius: 0 6px 6px 0; }
.status { padding: 10px 12px; border-radius: 8px; font-size: 14px; margin: 8px 0; }
.status.ok { background: var(--okbg); color: var(--ok); } .status.warn { background: var(--warnbg); color: var(--warn); }
.status.bad { background: var(--badbg); color: var(--bad); } .status.info { background: var(--panel); }
.pages { display: flex; flex-direction: column; gap: 10px; }
.pages canvas { width: 100%; height: auto; background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,.18); border-radius: 2px; display: block; }
.pages .pno { font-size: 12px; color: var(--muted); text-align: center; margin-top: 2px; }
.sigwrap { position: relative; border: 2px dashed #9E9E9E; border-radius: 10px; background: #fff; height: 190px; }
.sigwrap canvas { width: 100%; height: 100%; display: block; border-radius: 10px; cursor: crosshair; }
.sigwrap .baseline { position: absolute; left: 16px; right: 16px; bottom: 44px; border-bottom: 1px solid #CFCFCF; pointer-events: none; }
.sigwrap .hint { position: absolute; left: 18px; bottom: 18px; font-size: 12px; color: #9E9E9E; pointer-events: none; }
.sigbar { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }
.hash { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; background: var(--panel); padding: 8px; border-radius: 6px; }
.big-ok { font-size: 54px; line-height: 1; color: var(--ok); }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 18px 16px 28px; }
.hidden { display: none !important; }
.linkbox { display: flex; gap: 8px; } .linkbox input { font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
table.list { width: 100%; border-collapse: collapse; font-size: 14px; }
table.list th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); border-bottom: 2px solid var(--black); padding: 8px 6px; }
table.list td { border-bottom: 1px solid var(--line); padding: 9px 6px; vertical-align: top; }
table.list td .actions { display: flex; flex-wrap: wrap; gap: 6px; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 99px; text-transform: uppercase; letter-spacing: .04em; }
.badge.pending { background: var(--panel); } .badge.viewed { background: var(--warnbg); color: var(--warn); }
.badge.signed { background: var(--okbg); color: var(--ok); } .badge.expired, .badge.revoked { background: var(--badbg); color: var(--bad); }
@media (max-width: 760px) {
  table.list thead { display: none; } table.list, table.list tbody, table.list tr, table.list td { display: block; width: 100%; }
  table.list tr { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; padding: 6px; } table.list td { border: 0; padding: 4px 6px; }
}
dialog { border: 0; border-radius: 12px; max-width: 760px; width: calc(100% - 24px); padding: 18px; }
dialog::backdrop { background: rgba(0,0,0,.5); }
.audit { font-size: 13px; width: 100%; border-collapse: collapse; } .audit td { padding: 5px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
a.btn { text-decoration: none; display: inline-block; }