:root {
  color-scheme: light dark;
  --bg: #f5f2ec;
  --surface: #ffffff;
  --text: #16203a;
  --muted: #6b7794;
  --primary: #2f6bf0;
  --primary-soft: #e8effe;
  --accent: #f5a623;
  --border: #e6e2d8;
  --shadow: 0 18px 40px rgba(22, 32, 58, 0.09);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1222;
    --surface: #171d33;
    --text: #eef1f8;
    --muted: #9aa4bf;
    --primary: #7aa2ff;
    --primary-soft: #1d2647;
    --border: #252c46;
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 16px 72px;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Header */
.site {
  max-width: 52rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 4px;
}
.site a.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 15px;
}
.site nav { margin-left: auto; display: flex; gap: 18px; font-size: 0.95rem; }
.site nav a { color: var(--muted); text-decoration: none; }
.site nav a:hover, .site nav a[aria-current] { color: var(--text); }

main {
  max-width: 52rem;
  margin: 0 auto;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 28px 40px;
  box-shadow: var(--shadow);
}

.hero { text-align: center; padding: 44px 28px 40px; }
.hero h1 { font-size: 2.4rem; margin: 0 0 10px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 1.12rem; color: var(--muted); margin: 0 auto; max-width: 34rem; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 22px; }
.pill {
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.9rem;
  font-weight: 600;
}

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 4px; letter-spacing: -0.02em; }
h2 { font-size: 1.22rem; margin: 34px 0 8px; }
p, ul { margin: 12px 0; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--primary); }
.meta { color: var(--muted); font-size: 0.95rem; margin-top: 0; }

.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-top: 26px; }
.card {
  display: block;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--primary); }
.card strong { display: block; color: var(--primary); margin-bottom: 2px; }
.card span { color: var(--muted); font-size: 0.95rem; }

/* Form */
form { margin-top: 22px; display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: 0.97rem; }
input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
textarea { min-height: 150px; resize: vertical; }
.hp { position: absolute; left: -9999px; }
button {
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 999px;
  padding: 14px 26px;
  cursor: pointer;
  justify-self: start;
}
button:disabled { opacity: 0.55; cursor: default; }
.note { color: var(--muted); font-size: 0.92rem; }
.status { border-radius: 12px; padding: 14px 16px; margin-top: 18px; display: none; }
.status.ok { display: block; background: var(--primary-soft); color: var(--text); }
.status.bad { display: block; background: #fbe9e5; color: #8a2b16; }
@media (prefers-color-scheme: dark) { .status.bad { background: #3a1c14; color: #ffb4a0; } }

footer {
  max-width: 52rem;
  margin: 26px auto 0;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 0 4px;
}
footer a { color: var(--muted); }