:root {
  --bg: #f4f6f3;
  --card: #fff;
  --text: #142016;
  --muted: #5b675e;
  --line: #d7ddd8;
  --green: #1b7f3a;
  --red: #c62828;
  --accent: #1b7f3a;
  --shadow: 0 8px 28px rgba(20, 40, 24, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, #e7f5ea 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); }
.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 1rem; border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.9); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 800; letter-spacing: -0.02em; text-decoration: none; color: var(--text); }
.brand span { color: var(--green); }
.nav a, .nav button.linkish {
  margin-left: 0.75rem; font-size: 0.92rem; text-decoration: none; color: var(--muted);
  background: none; border: 0; cursor: pointer; font: inherit;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.15rem; box-shadow: var(--shadow); margin-bottom: 1rem;
}
h1 { font-size: 1.55rem; margin: 0 0 0.4rem; letter-spacing: -0.03em; }
h2 { font-size: 1.1rem; margin: 0 0 0.6rem; }
.lead { color: var(--muted); margin: 0 0 1rem; }
.stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin: 1rem 0;
}
.stat {
  background: #f3faf5; border: 1px solid #d7eadc; border-radius: 12px; padding: 0.85rem;
  text-align: center;
}
.stat b { display: block; font-size: 1.35rem; color: var(--green); }
.stat span { color: var(--muted); font-size: 0.85rem; }
label.field { display: block; font-size: 0.9rem; font-weight: 600; margin: 0.75rem 0 0.35rem; }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%; padding: 0.7rem 0.75rem; border: 1px solid var(--line);
  border-radius: 10px; font-size: 1rem; background: #fff;
}
.row-check { display: flex; gap: 0.55rem; align-items: flex-start; margin: 1rem 0; font-size: 0.92rem; }
button.btn {
  appearance: none; border: 0; background: var(--green); color: #fff;
  font-weight: 700; padding: 0.8rem 1rem; border-radius: 10px; width: 100%;
  font-size: 1rem; cursor: pointer; margin-top: 0.5rem;
}
button.btn:disabled { background: #9aaa9e; cursor: not-allowed; }
button.btn.secondary { background: #243028; }
button.btn.ghost { background: #fff; color: var(--text); border: 1px solid var(--line); }
.msg { margin-top: 0.75rem; padding: 0.7rem 0.8rem; border-radius: 10px; font-size: 0.92rem; }
.msg.err { background: #fdecea; color: #8a1c1c; }
.msg.ok { background: #eaf7ee; color: #145c2c; }
.msg.info { background: #eef3f8; color: #1e3a5f; }
.dot-result {
  width: 120px; height: 120px; border-radius: 50%; margin: 1rem auto;
  border: 8px solid #fff; box-shadow: var(--shadow);
}
.dot-result.green { background: #22a34a; }
.dot-result.red { background: #d32f2f; }
.preview {
  width: 100%; max-height: 280px; object-fit: contain; border-radius: 12px;
  background: #111; display: none;
}
.actions { display: grid; gap: 0.5rem; margin-top: 0.75rem; }
.hidden { display: none !important; }
.footer-note { color: var(--muted); font-size: 0.82rem; text-align: center; margin-top: 1.5rem; }
.legal-body { font-family: Georgia, serif; line-height: 1.55; }
.legal-body h2 { font-family: "Segoe UI", system-ui, sans-serif; margin-top: 1.25rem; }
@media (max-width: 520px) {
  .stats { grid-template-columns: 1fr; }
}