:root {
  --navy: #1b2a4a; --blue: #1a73e8; --teal: #0d9488; --light: #e8f4fd;
  --ink: #1f2937; --slate: #64748b; --line: #e2e8f0; --ghost: #f8fafc;
  --ok: #10b981; --warn: #f59e0b; --bad: #ef4444;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 Inter, "Segoe UI", system-ui, sans-serif; color: var(--ink); background: var(--ghost); }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
header { background: var(--navy); color: #fff; padding: 0 20px; display: flex; align-items: center; gap: 22px; height: 56px; }
header .brand { font-weight: 700; letter-spacing: .2px; }
header .brand span { color: #7dd3c8; font-weight: 500; }
header nav { display: flex; gap: 18px; flex: 1; }
header nav a { color: #cbd5e1; }
header nav a.on, header nav a:hover { color: #fff; text-decoration: none; }
header .me { color: #94a3b8; font-size: 13px; }
header .me a { color: #cbd5e1; margin-left: 10px; }
.pill { display: inline-block; min-width: 20px; padding: 0 7px; border-radius: 10px; background: var(--warn); color: #1f2937; font-size: 12px; font-weight: 700; text-align: center; }
main { max-width: 1180px; margin: 0 auto; padding: 22px 16px 60px; }
h1 { font-size: 22px; margin: 0 0 14px; color: var(--navy); }
h2 { font-size: 16px; margin: 22px 0 10px; color: var(--navy); }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 14px; }
.drop { border: 2px dashed #94c3f5; background: var(--light); border-radius: 12px; padding: 28px; text-align: center; cursor: pointer; }
.drop.over { border-color: var(--blue); background: #d6eafc; }
.drop strong { display: block; font-size: 17px; color: var(--navy); margin-bottom: 4px; }
.drop small { color: var(--slate); }
.files { margin: 10px 0 0; color: var(--slate); font-size: 13px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
button, .btn { font: inherit; border: 0; border-radius: 8px; padding: 9px 16px; cursor: pointer; background: var(--blue); color: #fff; font-weight: 600; }
button.secondary, .btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
button.danger { background: #fff; color: var(--bad); border: 1px solid #fecaca; }
button.go { background: var(--teal); }
button:disabled { opacity: .5; cursor: default; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 14px; }
th { color: var(--slate); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; background: var(--ghost); }
.status { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 10px; white-space: nowrap; }
.s-created { background: #d1fae5; color: #065f46; }
.s-review, .s-failed { background: #fef3c7; color: #92400e; }
.s-checking, .s-creating, .s-reading, .s-queued { background: var(--light); color: #1e40af; }
.s-error { background: #fee2e2; color: #991b1b; }
.s-discarded { background: #f1f5f9; color: var(--slate); }
.issues { margin: 4px 0 0; padding: 0; list-style: none; font-size: 13px; }
.issues li { padding: 2px 0 2px 18px; position: relative; }
.issues li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 7px; height: 7px; border-radius: 50%; }
.issues li.block::before { background: var(--bad); }
.issues li.warn::before { background: var(--warn); }
.muted { color: var(--slate); font-size: 13px; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.flash.ok { background: #d1fae5; color: #065f46; }
.flash.err { background: #fee2e2; color: #991b1b; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.viewer { position: sticky; top: 12px; max-height: calc(100vh - 24px); overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px; }
.viewer img { width: 100%; display: block; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
label { display: block; font-size: 12px; color: var(--slate); font-weight: 600; margin-bottom: 3px; }
input[type=text], input[type=date], input[type=password], select, textarea { font: inherit; width: 100%; padding: 7px 9px; border: 1px solid #cbd5e1; border-radius: 7px; background: #fff; }
input:focus, select:focus { outline: 2px solid #bfdbfe; border-color: var(--blue); }
.grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.c2 { grid-column: span 2; } .c3 { grid-column: span 3; } .c4 { grid-column: span 4; } .c6 { grid-column: span 6; }
.test-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr) auto; gap: 8px; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); }
.test-row .from { font-size: 13px; }
.test-row .how { font-size: 11px; color: var(--slate); }
.unmatched input { border-color: var(--bad); background: #fff7f7; }
.actions { position: sticky; bottom: 0; background: #fff; border-top: 1px solid var(--line); padding: 12px 0; display: flex; gap: 10px; flex-wrap: wrap; }
details summary { cursor: pointer; color: var(--slate); font-size: 13px; }
.login { max-width: 360px; margin: 10vh auto; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .viewer { position: static; max-height: 60vh; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .c3, .c4, .c6 { grid-column: span 2; }
  header { height: auto; flex-wrap: wrap; gap: 4px 14px; padding: 10px 14px; }
  header .brand span { display: none; }
  header nav { gap: 14px; font-size: 14px; flex-basis: 100%; order: 3; }
  header .me { display: none; }
  th.hide-m, td.hide-m { display: none; }
}