* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  min-height: 100vh;
  background: linear-gradient(180deg, #cacaca 0%, #fff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.demo-content {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
  font-weight: bold;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-container {
  background: linear-gradient(145deg, #1e1e2e 0%, #2a2a3e 100%);
  border-radius: 24px;
  padding: 48px 40px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  margin-bottom: 32px;
  text-align: center;
}

.modal-title {
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.modal-subtitle {
  font-size: 16px;
  color: #a0a0b0;
  line-height: 1.5;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-label {
  font-size: 14px;
  font-weight: 500;
  color: #e0e0e8;
  margin-left: 4px;
}

.password-input {
  width: 100%;
  padding: 16px 20px;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #ffffff;
  outline: none;
  transition: all 0.3s ease;
}

.password-input::placeholder {
  color: #6a6a7a;
}

.password-input:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: #667eea;
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.modal-button {
  width: 100%;
  padding: 16px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #222234 0%, #323243 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.modal-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(185, 207, 228, 0.521);
}

.modal-button:active {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 8px;
  color: #ffffff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

@media (max-width: 640px) {
  .modal-container {
    padding: 32px 24px;
  }

  .modal-title {
    font-size: 28px;
  }
}