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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-container {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(0);
  transition: all 0.3s ease;
}

.login-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.logo-section {
  text-align: center;
  margin-bottom: 30px;
}

.logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

.logo::before {
  content: "📦";
  font-size: 35px;
  filter: brightness(0) invert(1);
}

.title {
  color: #333;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 5px;
}

.subtitle {
  color: #666;
  font-size: 14px;
  font-weight: 400;
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  display: block;
  color: #555;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 14px;
}

.input-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.form-group input {
  width: 100%;
  padding: 15px 20px;
  border: 2px solid #e1e5e9;
  border-radius: 12px;
  font-size: 16px;
  background: #f8f9fa;
  transition: all 0.3s ease;
  outline: none;
}

.form-group input:focus {
  border-color: #667eea;
  background: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}

.form-group input::placeholder {
  color: #aaa;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
}

.remember-me input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.remember-me label {
  margin: 0;
  font-size: 14px;
  color: #666;
  cursor: pointer;
}

.forgot-password {
  color: #667eea;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s ease;
}

.forgot-password:hover {
  color: #764ba2;
  text-decoration: underline;
}

.login-btn {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.login-btn:hover::before {
  left: 100%;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.divider {
  text-align: center;
  margin: 25px 0;
  position: relative;
  color: #999;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #e1e5e9;
}

.divider span {
  background: rgba(255, 255, 255, 0.95);
  padding: 0 15px;
  font-size: 14px;
}

.signup-link {
  text-align: center;
  color: #666;
  font-size: 14px;
}

.signup-link a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.signup-link a:hover {
  color: #764ba2;
  text-decoration: underline;
}

.features {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e1e5e9;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: #666;
  font-size: 13px;
}

.feature-item::before {
  content: "✓";
  color: #667eea;
  font-weight: bold;
  font-size: 14px;
}

@media (max-width: 480px) {
  .login-container {
    padding: 30px 20px;
    margin: 10px;
  }

  .title {
    font-size: 24px;
  }

  .form-options {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
}

.loading {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: 10px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}