:root {
  --pamgm-blue: #0a6ebd;
  --pamgm-blue-dark: #075694;
  --pamgm-blue-tint: #eaf3fb;
  --pamgm-navy: #0d2b40;
  --pamgm-green: #1a8754;
  --pamgm-green-tint: #eafaf1;
  --pamgm-red: #c0392b;
  --pamgm-red-tint: #fdecea;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: Roboto, "Segoe UI", Arial, sans-serif;
  color: #2c363a;
  background-color: var(--pamgm-navy);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}

.wrap {
  width: 92%;
  max-width: 420px;
}

.card {
  padding: 2.5rem 2.25rem 2rem;
  border-radius: 16px;
  background-color: #fff;
  box-shadow: 0 20px 50px rgba(13, 43, 64, 0.35);
  text-align: center;
}

.logo {
  display: block;
  max-height: 72px;
  width: auto;
  margin: 0 auto 1.5rem;
}

h1 {
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
  color: var(--pamgm-navy);
  font-weight: 700;
}

.subtitle {
  font-size: 0.88rem;
  line-height: 1.55;
  color: #55686f;
  margin: 0 0 1.5rem;
}

form {
  text-align: left;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pamgm-navy);
  margin-bottom: 0.35rem;
}

input[type="text"] {
  width: 100%;
  border: 2px solid #d4dbde;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
  transition: border-color 0.15s ease;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--pamgm-blue);
}

input.field-checking {
  border-color: var(--pamgm-blue);
}

input.field-ok {
  border-color: var(--pamgm-green);
}

input.field-bad {
  border-color: var(--pamgm-red);
}

.hint {
  font-size: 0.78rem;
  color: #8a9499;
  margin: 0.4rem 0 1rem;
  min-height: 1.1em;
}

.hint.hint-ok { color: var(--pamgm-green); }
.hint.hint-bad { color: var(--pamgm-red); }

button {
  display: block;
  width: 100%;
  padding: 0.75rem;
  border-radius: 6px;
  border: none;
  background-color: var(--pamgm-blue);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  cursor: pointer;
  margin-top: 0.5rem;
}

button:hover {
  background-color: var(--pamgm-blue-dark);
}

.back-link {
  display: block;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--pamgm-blue);
  text-decoration: none;
  text-align: center;
}

.back-link:hover {
  text-decoration: underline;
}

.result-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.result-icon.ok {
  background: var(--pamgm-green-tint);
  color: var(--pamgm-green);
}

.result-icon.err {
  background: var(--pamgm-red-tint);
  color: var(--pamgm-red);
}

.btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  background-color: var(--pamgm-blue);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
}

.btn:hover {
  background-color: var(--pamgm-blue-dark);
}