body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.full-height-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.main-container {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  padding: 40px;
  max-width: 800px;
  width: 100%;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  background: #000;
  background-clip: text;
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.page-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  background: #000;
  background-clip: text;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea, #764ba2);
  border: none;
  border-radius: 20px;
  padding: 15px 30px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  min-width: 120px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-success {
  background: linear-gradient(135deg, #28a745, #20c997);
  border: none;
  padding: 12px 30px;
  font-weight: 600;
  border-radius: 25px;
  transition: all 0.3s ease;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4);
}

.form-control {
  border-radius: 20px;
  border: 2px solid #e9ecef;
  padding: 15px 20px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
  background: white;
}

.footer {
  text-align: center;
  margin-top: 2rem;
  color: #666;
  font-size: 0.85rem;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .full-height-container {
    padding: 15px;
    align-items: flex-start;
    padding-top: 40px;
  }
  .main-container {
    padding: 30px 25px;
    margin: 0;
  }
  .hero-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  .page-title {
    font-size: clamp(1.5rem, 5vw, 2.2rem);
  }
  .input-group {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  .input-group .form-control {
    border-radius: 20px !important;
    margin-bottom: 0;
    width: 100% !important;
    min-width: 100% !important;
    border: 2px solid #e9ecef !important;
    flex: 1;
    box-sizing: border-box;
  }
  .input-group .btn {
    border-radius: 20px !important;
    width: 100% !important;
    margin-top: 0;
    border: none !important;
    box-sizing: border-box;
  }
  .btn {
    width: 100%;
    margin-bottom: 10px;
  }
}

@media (max-width: 480px) {
  .full-height-container {
    padding: 10px;
    padding-top: 30px;
  }
  .main-container {
    padding: 25px 20px;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .page-title {
    font-size: 1.5rem;
  }
  .input-group {
    gap: 10px;
  }
  .input-group .form-control {
    padding: 12px 15px;
    font-size: 0.9rem;
    border-radius: 20px !important;
    border: 2px solid #e9ecef !important;
    width: 100% !important;
    min-width: 100% !important;
    box-sizing: border-box;
  }
  .input-group .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
    border-radius: 20px !important;
    border: none !important;
    width: 100% !important;
    box-sizing: border-box;
  }
}