:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --ink: #e7e9ee;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --accent-2: #7cf0c8;
  --danger: #ff6b6b;
  --line: #2a2f3a;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1b2130 0%, var(--bg) 55%);
  color: var(--ink);
  min-height: 100vh;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 28px; border-bottom: 1px solid var(--line);
}
.brand { display: flex; gap: 14px; align-items: center; }
.logo {
  font-size: 26px; color: var(--accent);
  background: var(--panel); width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; box-shadow: 0 0 0 1px var(--line);
}
h1 { font-size: 18px; margin: 0; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.badge { font-size: 12px; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line); }
.badge.ok { color: var(--accent-2); border-color: #2f5a4a; }
.badge.off { color: var(--muted); }

main { max-width: 1040px; margin: 28px auto; padding: 0 20px; }

.uploader {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; text-align: center;
}
.uploader.drag { border-color: var(--accent); background: var(--panel-2); }
.drop-icon { font-size: 40px; color: var(--accent); }
.drop-inner p { margin: 8px 0; }
.hint { color: var(--muted); font-size: 13px; }
#pick { background: none; border: none; color: var(--accent); cursor: pointer; font: inherit; text-decoration: underline; }

.filelist { list-style: none; padding: 0; margin: 16px auto 0; max-width: 560px; text-align: left; }
.filelist li {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 12px; margin-bottom: 8px; font-size: 14px;
}
.filelist li .rm { color: var(--danger); cursor: pointer; border: none; background: none; font-size: 16px; }

button.primary {
  margin-top: 18px; background: var(--accent); color: #fff; border: none;
  padding: 12px 22px; border-radius: 10px; font-size: 15px; cursor: pointer;
}
button.primary:disabled { opacity: .45; cursor: not-allowed; }

.status { margin: 20px 0; padding: 14px 16px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); }
.status.err { border-color: #5a2f34; color: var(--danger); }
.hidden { display: none; }

.reports { display: grid; gap: 18px; margin-top: 22px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.card-head h2 { font-size: 16px; margin: 0; word-break: break-all; }
.prov { font-size: 12px; color: var(--muted); white-space: nowrap; }

.sum-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 0; }
.sum-box { background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.sum-box .k { display: block; font-size: 12px; color: var(--muted); }
.sum-box .v { display: block; font-size: 20px; font-weight: 700; margin-top: 4px; color: var(--accent-2); }

.subject { font-size: 15px; margin: 4px 0; }
.customer { color: var(--muted); font-size: 13px; margin: 0 0 8px; }

.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 12px; }
.cols h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.cols ul { padding-left: 18px; margin: 8px 0 0; font-size: 14px; }
.cols li { margin-bottom: 6px; }
.cols .empty { color: var(--muted); font-style: italic; list-style: none; margin-left: -18px; }

footer { max-width: 1040px; margin: 30px auto; padding: 16px 20px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }

@media (max-width: 720px) { .cols, .sum-row { grid-template-columns: 1fr; } }