:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --ink: #14213d;
  --muted: #5b6475;
  --line: #dfe3ea;
  --brand: #0b3d91;
  --brand-ink: #ffffff;
  --ok: #0f7b4a;
  --ok-bg: #e6f5ec;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
header.top {
  background: var(--brand);
  color: var(--brand-ink);
  padding: 14px 16px;
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
header.top .logo { font-weight: 700; font-size: 18px; letter-spacing: .2px; }
header.top .logo span { opacity: .75; font-weight: 500; }
.wrap { max-width: 1100px; margin: 0 auto; }
main { padding: 32px 16px 48px; }
h1 { font-size: 28px; margin: 0 0 6px; }
.lead { color: var(--muted); margin: 0 0 24px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.narrow { max-width: 520px; margin: 0 auto; }
label { display: block; font-weight: 600; font-size: 14px; margin: 0 0 6px; }
.field { margin-bottom: 16px; }
input, select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: inherit;
  background: #fff;
}
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: transparent; }
.btn {
  display: inline-block;
  border: 0;
  border-radius: 8px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--brand);
  color: var(--brand-ink);
}
.btn.block { width: 100%; }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
.btn.danger { background: var(--bad); }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: wait; }
.msg { padding: 12px 14px; border-radius: 8px; margin-top: 16px; font-size: 15px; }
.msg.err { background: var(--bad-bg); color: var(--bad); }
.msg.info { background: #eef3fb; color: var(--brand); }
.hidden { display: none !important; }

/* result */
.result { display: grid; grid-template-columns: 360px 1fr; gap: 24px; margin-top: 28px; align-items: start; }
.badge { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; padding: 8px 14px; border-radius: 999px; font-size: 15px; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
dl.details { margin: 18px 0 0; }
dl.details dt { font-size: 13px; color: var(--muted); margin-top: 12px; }
dl.details dd { margin: 2px 0 0; font-weight: 600; font-size: 16px; word-break: break-word; }
.viewer {
  background: #525866;
  border-radius: var(--radius);
  padding: 16px;
  max-height: 85vh;
  overflow: auto;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}
.viewer canvas { display: block; width: 100%; height: auto; margin: 0 auto 16px; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.35); pointer-events: none; }
.viewer canvas:last-child { margin-bottom: 0; }
.viewer-note { color: var(--muted); font-size: 13px; margin: 8px 0 0; }

footer.bottom { color: var(--muted); font-size: 13px; text-align: center; padding: 24px 16px 32px; border-top: 1px solid var(--line); }

/* admin */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
table.list { width: 100%; border-collapse: collapse; font-size: 14px; }
table.list th, table.list td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list th { color: var(--muted); font-weight: 600; font-size: 13px; }
.table-wrap { overflow-x: auto; }
.pill { font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 999px; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.section { margin-top: 28px; }
.preview { display: flex; gap: 8px; overflow-x: auto; margin-top: 8px; }
.preview img { height: 160px; border: 1px solid var(--line); border-radius: 6px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

@media (max-width: 860px) {
  .result { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  h1 { font-size: 23px; }
  .card { padding: 18px; }
}
@media print { body { display: none !important; } }