* {
  box-sizing: border-box;
}

:root {
  --dark: #050b18;
  --navy: #2257b3;
  --blue: #1f6feb;
  --red: #ff3b3b;
  --cyan: #60d8ff;
  --gold: #ffe45c;
  --text-dark: #182033;
  --muted: #64748b;
  --success: #138a4b;
  --error: #c62828;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(
      circle at 10% 10%,
      rgba(255, 59, 59, 0.28),
      transparent 28%
    ),
    radial-gradient(
      circle at 90% 5%,
      rgba(31, 111, 235, 0.38),
      transparent 30%
    ),
    radial-gradient(
      circle at 50% 100%,
      rgba(96, 216, 255, 0.18),
      transparent 35%
    ),
    linear-gradient(
      145deg,
      var(--dark),
      var(--navy) 55%,
      #020611
    );
}

.registration-result-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.registration-result-card {
  width: 100%;
  max-width: 600px;
  padding: 2.8rem;
  border: 3px solid rgba(255, 255, 255, 0.45);
  border-radius: 32px;
  text-align: center;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.98),
      rgba(235, 245, 255, 0.94)
    );
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(31, 111, 235, 0.22),
    inset 0 0 30px rgba(255, 255, 255, 0.7);
}

.result-icon {
  margin-bottom: 0.75rem;
  font-size: 4rem;
}

.result-label {
  margin: 0;
  color: var(--success);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
}

.registration-result-card h1 {
  margin: 0.5rem 0 1rem;
  color: var(--text-dark);
  font-size: clamp(2rem, 6vw, 3rem);
}

.result-message {
  max-width: 470px;
  margin: 0 auto 2rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.customer-number-box {
  margin: 2rem 0;
  padding: 1.6rem;
  border: 2px dashed rgba(31, 111, 235, 0.45);
  border-radius: 22px;
  background: rgba(31, 111, 235, 0.08);
}

.customer-number-box span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-weight: 700;
}

.customer-number-box strong {
  display: block;
  margin-bottom: 1rem;
  color: var(--blue);
  font-size: clamp(2rem, 7vw, 3rem);
  letter-spacing: 0.08rem;
}

.customer-number-box small {
  display: block;
  margin-top: 1rem;
  color: var(--muted);
  line-height: 1.5;
}

.copy-button {
  padding: 0.75rem 1.2rem;
  border: none;
  border-radius: 14px;
  color: white;
  background: var(--blue);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.copy-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31, 111, 235, 0.35);
}

.result-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.result-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 190px;
  padding: 1rem 1.4rem;
  border-radius: 18px;
  text-decoration: none;
  font-weight: 900;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.primary-button {
  color: white;
  background:
    linear-gradient(
      90deg,
      var(--red),
      var(--blue)
    );
  box-shadow: 0 8px 0 rgba(0, 0, 0, 0.25);
}

.secondary-button {
  color: var(--text-dark);
  background: rgba(31, 111, 235, 0.12);
  border: 2px solid rgba(31, 111, 235, 0.25);
}

.result-button:hover {
  transform: translateY(-3px);
}

.error-card .result-label,
.error-card h1 {
  color: var(--error);
}

@media (max-width: 600px) {
  .registration-result-card {
    padding: 1.6rem;
    border-radius: 24px;
  }

  .result-actions {
    flex-direction: column;
  }

  .result-button {
    width: 100%;
  }
}