/* Modern Professional Button System */
.btn-modern-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  position: relative;
  overflow: hidden;
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.01em;
}

.btn-modern-primary::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 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.btn-modern-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
  color: white;
  text-decoration: none;
}

.btn-modern-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.01em;
}

.btn-modern-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  color: white;
  text-decoration: none;
}

/* Professional Button System */
.useButtonLightBlue,
.btn-primary-custom {
  background-color: var(--secondary-blue);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s ease;
  cursor: pointer;
  font-family: var(--font-family);
}

.useButtonLightBlue:hover,
.btn-primary-custom:hover {
  background-color: #5a8aa4;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.useButtonDarkBlue {
  background-color: var(--primary-blue);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s ease;
  cursor: pointer;
  font-family: var(--font-family);
}

.useButtonDarkBlue:hover {
  background-color: #001a2e;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.useButtonOrange {
  background-color: #F67F00;
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s ease;
  cursor: pointer;
  font-family: var(--font-family);
}

.useButtonOrange:hover {
  background-color: #f5b800;
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-sow {
  background-color: #5a8ca3;
  color: #fff;
  border: none;
  font-size: var(--font-size-sm);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 500;
  text-decoration: none;
  line-height: 1.2;
  display: inline-block;
  transition: background-color 0.2s ease-in-out;
  font-family: var(--font-family);
}

.btn-sow:hover {
  background-color: #4a7c93;
  text-decoration: none;
  color: #fff;
}

/* Responsive button adjustments */
@media (max-width: 768px) {
  .useButtonLightBlue,
  .btn-primary-custom,
  .useButtonDarkBlue,
  .useButtonOrange {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    width: 100%;
    max-width: 300px;
    margin: var(--spacing-xs) auto;
    display: block;
  }
  
  /* Form buttons responsive */
  .form-group .useButtonLightBlue,
  .form-group .btn-primary-custom {
    width: 100%;
    margin-top: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .useButtonLightBlue,
  .btn-primary-custom,
  .useButtonDarkBlue,
  .useButtonOrange {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    max-width: 250px;
  }
  
  .btn-sow {
    padding: 4px 8px;
    font-size: var(--font-size-xs);
  }
  
  /* Modal buttons responsive */
  .modal-footer .useButtonLightBlue,
  .modal-footer .btn-primary-custom {
    width: 100%;
    margin: var(--spacing-xs) 0;
  }
}

#uploadForm {
    display: flex;
    justify-content: center;
    width: 100%; /* Makes sure it doesn't shrink */
    margin-top: 10px; /* Adjust spacing if needed */
}

/* Optional: Specific fix for the button inside the form */
.upload-btn {
    width: auto; /* Ensures button width matches others */
    display: inline-block; /* Prevents stretching */
    min-width: 200px; /* Forces consistency */
}

.glow-effect {
    box-shadow: 0 0 8px 2px #68B7DD, 0 0 16px 4px #2B6F98, 0 0 24px 8px #86e3f6;
    animation: glowPulse 1.5s infinite alternate;
}

@keyframes glowPulse {
    0% {
        box-shadow: 0 0 8px 2px #68B7DD, 0 0 16px 4px #2B6F98, 0 0 24px 8px #86e3f6;
    }
    100% {
        box-shadow: 0 0 16px 4px #86e3f6, 0 0 32px 8px #2B6F98, 0 0 48px 16px #68B7DD;
    }
}