html, body {
  min-height: 100vh;
  margin: 0;
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: #2C2F33;
  font-family: Arial, sans-serif;
  flex-direction: column;
  position: relative;
  min-height: 100vh;
}

.back-arrow {
  position: fixed;
  top: 1rem;
  left: 1rem;
  font-size: 1.2rem;
  color: #ffffff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
  z-index: 100;
}

.back-arrow:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #2563eb;
}

.page-shell {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 520px;
}

.logo {
  width: clamp(220px, 35vw, 380px);
  max-width: 100%;
  margin-bottom: 1.5rem;
  object-fit: contain;
}

form {
  display: grid;
  gap: 1rem;
  width: min(360px, 100%);
  padding: 2rem;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

form input,
form select,
form button {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  font-size: 1.1rem;
}

form input:focus,
form select:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

form button {
  cursor: pointer;
  background: #2563eb;
  color: white;
  border: none;
  transition: transform 0.2s ease, background 0.2s ease;
}

form button:hover {
  transform: translateY(-1px);
  background: #1d4ed8;
}