:root {
  --blue-900: #0d3b66;
  --blue-700: #14548c;
  --blue-600: #1565c0;
  --blue-500: #1e7bd6;
  --blue-100: #e8f1fb;
  --blue-50: #f4f8fd;
  --gray-800: #29323c;
  --gray-600: #5c6773;
  --gray-300: #d7dde3;
  --red: #c0392b;
  --green: #2e7d32;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--blue-50);
  color: var(--gray-800);
  line-height: 1.5;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 18px 60px;
}

.card {
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: 0 2px 10px rgba(13, 59, 102, 0.06);
}

h1 {
  color: var(--blue-900);
  font-size: 1.5rem;
  margin: 0 0 8px;
}

h2 {
  color: var(--blue-900);
  font-size: 1.15rem;
  margin: 24px 0 10px;
}

p.lead {
  color: var(--gray-600);
  margin: 0 0 20px;
}

fieldset {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  margin: 0 0 18px;
  padding: 14px 16px 16px;
}

legend {
  color: var(--blue-700);
  font-weight: 600;
  padding: 0 6px;
  font-size: 0.95rem;
}

label.field-label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--gray-800);
}

input[type="email"], input[type="text"], input[type="password"], textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}

textarea { resize: vertical; min-height: 90px; }

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 4px;
}

.radio-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 400;
  cursor: pointer;
}

button, .btn {
  display: inline-block;
  background: var(--blue-600);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 13px 22px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

button:hover, .btn:hover { background: var(--blue-700); }

.btn-secondary {
  background: #fff;
  color: var(--blue-600);
  border: 1px solid var(--blue-600);
}

.btn-danger { background: var(--red); }

.required-star { color: var(--red); }

.hint {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-top: 4px;
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 0.95rem;
}

.alert-error { background: #fdecea; color: var(--red); border: 1px solid #f3c2bc; }
.alert-success { background: #e9f6ea; color: var(--green); border: 1px solid #bfe3c1; }
.alert-info { background: var(--blue-100); color: var(--blue-700); border: 1px solid #bcd8f2; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--gray-300);
}

th { color: var(--blue-700); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-confirmed { background: #e9f6ea; color: var(--green); }
.badge-pending { background: #fff6e0; color: #a06a00; }
.badge-unsubscribed { background: #f0f0f0; color: var(--gray-600); }

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.top-nav a { color: var(--blue-600); text-decoration: none; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.stat-box {
  background: var(--blue-100);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.stat-box .num { font-size: 1.4rem; font-weight: 700; color: var(--blue-900); }
.stat-box .lbl { font-size: 0.75rem; color: var(--blue-700); }

footer.site-footer {
  text-align: center;
  color: var(--gray-600);
  font-size: 0.8rem;
  margin-top: 26px;
}