body {
  min-height: 100vh;
  background: linear-gradient(135deg, #181921 80%, #23243d 100%);
  color: var(--text, #f3f5fa);
  font-family: 'Montserrat', Arial, sans-serif;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.container {
  background: #22232b;
  border-radius: 18px;
  box-shadow: 0 4px 24px #0005;
  max-width: 400px;
  margin: 5vh auto 0 auto;
  padding: 2.2rem 2rem 1.6rem 2rem;
  text-align: center;
}

h2 {
  margin-top: 0;
  color: var(--accent, #459cff);
  font-size: 2rem;
  margin-bottom: 1.3rem;
  font-family: 'Montserrat', Arial, sans-serif;
  letter-spacing: 1px;
}

form.form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

label {
  text-align: left;
  font-weight: 500;
  color: var(--text, #fff);
  margin-bottom: 0.3rem;
  margin-left: 0.1rem;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
  border: none;
  outline: none;
  background: #191922;
  color: var(--text, #e0e5f6);
  font-size: 1rem;
  margin-bottom: 0.2rem;
  box-shadow: 0 1px 4px #0002;
  transition: border 0.2s;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus{
  border: 2px solid var(--accent, #459cff);
}

input[type="checkbox"] {
  accent-color: var(--accent, #459cff);
  transform: scale(1.2);
  margin-right: 0.5em;
}

.center.row {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.7rem;
  gap: 0.4rem;
}

.btn {
  margin-top: 0.3rem;
  background: var(--accent, #459cff);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.6rem;
  font-size: 1.13rem;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: bold;
  letter-spacing: 1px;
  cursor: pointer;
  box-shadow: 0 2px 6px #459cff30;
  transition: background 0.16s, transform 0.13s;
}

.btn:hover {
  background: var(--accent-hover, #2170d7);
  transform: translateY(-2px) scale(1.04);
}

p[style*="color:red"] {
  color: #ff4959 !important;
  background: #301a1a;
  border-radius: 6px;
  padding: 0.6rem;
  margin-bottom: 1rem;
  font-weight: bold;
  font-size: 1rem;
}

.register-link {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.99rem;
  color: var(--text-muted, #bbc1d6);
  gap: 0.6rem;
}

.btn-secondary {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  background: #181c2f;
  color: var(--accent, #459cff);
  border: 1.5px solid var(--accent, #459cff);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  margin-top: 0.2rem;
  transition: background 0.19s, color 0.19s, border-color 0.19s;
}

.btn-secondary:hover {
  background: var(--accent, #459cff);
  color: #fff;
  border-color: #2170d7;
}


@media (max-width: 520px) {
  .container {
    max-width: 97vw;
    padding: 1.2rem 0.6rem 1.1rem 0.6rem;
  }
  h2 { font-size: 1.3rem; }
  .btn { font-size: 1rem; }
}