:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #12141a;
  --muted: #5c6270;
  --line: #e2e5ea;
  --accent: #2f6df6;
  --ok: #0f7b46;
  --ok-bg: #e6f5ed;
  --none: #8a6d00;
  --none-bg: #fdf3d7;
  --err: #b3261e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --card: #181b21;
    --ink: #e9ecf2;
    --muted: #a0a6b4;
    --line: #262b34;
    --accent: #6f9bff;
    --ok: #5fd39a;
    --ok-bg: #12301f;
    --none: #e5c15a;
    --none-bg: #302811;
    --err: #ff8a80;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.page { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
.head h1 { font-size: 28px; margin: 0 0 8px; letter-spacing: -0.01em; }
.lead { color: var(--muted); margin: 0 0 24px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 16px;
}

.drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 36px 16px;
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  cursor: pointer;
  text-align: center;
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.is-over { border-color: var(--accent); }
.drop.is-over { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.drop__icon { font-size: 22px; color: var(--accent); }
.drop__title { font-weight: 600; }
.drop__hint { color: var(--muted); font-size: 14px; word-break: break-all; }

.captcha { margin-top: 16px; }

.btn {
  margin-top: 16px;
  width: 100%;
  padding: 12px 16px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn--ghost {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
}

.note { color: var(--muted); font-size: 14px; margin: 12px 0 0; }
.error { color: var(--err); font-size: 14px; margin: 12px 0 0; }

.verdict {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  margin-bottom: 16px;
}
.verdict--found { color: var(--ok); background: var(--ok-bg); }
.verdict--none { color: var(--none); background: var(--none-bg); }

.fields { display: grid; grid-template-columns: 190px 1fr; gap: 8px 16px; margin: 0; }
.fields dt { color: var(--muted); font-size: 14px; }
.fields dd { margin: 0; word-break: break-all; font-variant-numeric: tabular-nums; }

.actions { margin-top: 20px; }
.about h2 { font-size: 16px; margin: 20px 0 6px; }
.about h2:first-child { margin-top: 0; }
.about p { color: var(--muted); margin: 0 0 10px; }
a { color: var(--accent); }

@media (max-width: 520px) {
  .fields { grid-template-columns: 1fr; gap: 2px 0; }
  .fields dd { margin-bottom: 10px; }
}