.xos-contact-btn.phone {
  background: var(--secondary-color);
  color: white;
}

.xos-contact-btn.phone:hover {
  background: var(--secondary-hover);
}

.xos-contact-btn.zalo {
  background: #0068ff;
  color: white;
}

.xos-contact-btn.zalo:hover {
  background: #0056d6;
}

/* ===== AUTHENTICATION STYLES ===== */

/* Authentication Pages */

.xos-auth-page {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.xos-auth-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}

.xos-auth-card h1 {
  margin: 0 0 8px 0;
  font-size: 2rem;
  font-weight: 800;
  color: #1e3a8a;
  text-align: center;
}

.xos-auth-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0 0 25px 0;
}

.xos-auth-form .xos-form-group {
  margin-bottom: 20px;
}

.xos-auth-form label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.xos-auth-form input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  box-sizing: border-box;
}

.xos-auth-form input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.xos-auth-form button {
  width: 100%;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 12px;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.2s ease;
}

.xos-auth-form button:hover {
  background: var(--primary-hover);
}

.xos-auth-footer {
  text-align: center;
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.xos-auth-footer a {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
}

.xos-auth-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  .xos-auth-card {
    padding: 35px 25px;
  }

  .xos-auth-card h1 {
    font-size: 1.5rem;
  }
}