:root {
  --bg: #0f1115; --panel: #171a21; --line: #262b35; --ink: #e7ebf2;
  --muted: #8b93a2; --accent: #4f8cff; --ok: #36d399; --bad: #f87272; --warn: #fbbd23;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: radial-gradient(1200px 600px at 50% -10%, #1a2030, var(--bg));
  color: var(--ink); font: 15px/1.5 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  min-height: 100vh;
}
main { max-width: 880px; margin: 0 auto; padding: 32px 20px 60px; }
header h1 { font-size: 30px; margin: 0 0 4px; letter-spacing: -0.02em; }
.flag { font-size: 24px; }
.sub { color: var(--muted); margin: 0 0 24px; }

.drop {
  border: 1.5px dashed var(--line); border-radius: 16px; background: var(--panel);
  padding: 44px 20px; text-align: center; transition: border-color .15s, background .15s; cursor: pointer;
}
.drop.over { border-color: var(--accent); background: #1b2331; }
.drop-ico { font-size: 40px; color: var(--accent); line-height: 1; }
.drop p { margin: 10px 0 0; }
.hint { color: var(--muted); font-size: 13px; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
figure { margin: 0; }
figcaption { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
#orig, .resultBox { width: 100%; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); }
#orig { display: block; object-fit: contain; max-height: 420px; }
.resultBox { aspect-ratio: 35/50; display: grid; place-items: center; overflow: hidden; }
.resultBox img { width: 100%; height: 100%; object-fit: contain; }

.steps { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 18px 0 0; margin: 0; }
.steps li {
  font-size: 12.5px; color: var(--muted); padding: 5px 10px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--panel);
}
.steps li.active { color: #fff; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.steps li.done { color: var(--ok); border-color: #1f3a31; }

.report { margin-top: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 14px 16px; }
.report h3 { margin: 0 0 10px; font-size: 14px; }
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 6px 16px; }
.chk { display: flex; align-items: center; gap: 8px; font-size: 13.5px; }
.chk b { margin-left: auto; color: var(--muted); font-weight: 500; }
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--bad); } .dot.warn { background: var(--warn); }

.error { margin-top: 18px; border: 1px solid #46232a; background: #20151a; color: var(--bad); padding: 12px 16px; border-radius: 12px; }

.actions { display: flex; gap: 10px; margin-top: 20px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 10px;
  background: var(--accent); color: #fff; border: 0; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--ink); font-weight: 500; }

footer { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 8px; }
.badge { font-size: 11.5px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px; }
.badge.ok { color: var(--ok); border-color: #1f3a31; }
.badge.no { color: var(--warn); }

@media (max-width: 560px) { .cols { grid-template-columns: 1fr; } }