/* Shared Styles for LinkToQR.me NEXUS Tools */
:root {
  --primary: #00d4ff;
  --primary-dark: #0099cc;
  --secondary: #ff0080;
  --accent: #7c3aed;
  --success: #00ff88;
  --warning: #ffaa00;
  --error: #ff0040;
  --neon-blue: #00d4ff;
  --neon-pink: #ff0080;
  --neon-purple: #8000ff;
  --dark-bg: #0a0a0a;
  --dark-surface: #1a1a1a;
}

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

body {
  font-family: 'Exo 2', sans-serif;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a0033 50%, #000a1a 100%);
  color: #ffffff;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  scroll-behavior: smooth;
  padding-bottom: 150px;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 0, 128, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(128, 0, 255, 0.1) 0%, transparent 50%);
  animation: backgroundShift 20s ease-in-out infinite;
  z-index: -1;
}

@keyframes backgroundShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Enhanced scrollbar styling */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(45deg, var(--neon-pink), var(--neon-blue));
}

.orbitron { font-family: 'Orbitron', monospace; }

/* Futuristic Header */
.futuristic-header {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid rgba(0, 212, 255, 0.3);
  box-shadow: 0 4px 30px rgba(0, 212, 255, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo-text {
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

/* Return Home Button */
.return-home-btn {
  background: linear-gradient(45deg, var(--neon-purple), var(--neon-blue));
  border: none;
  border-radius: 25px;
  padding: 8px 20px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(128, 0, 255, 0.4);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.return-home-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 25px rgba(128, 0, 255, 0.6);
}

/* Main Layout */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.input-section {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 25px 50px rgba(0, 212, 255, 0.1);
}

.output-section {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 0, 128, 0.2);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 25px 50px rgba(255, 0, 128, 0.1);
}

/* Responsive Layout */
@media (max-width: 768px) {
  .tool-layout {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
}

/* Cyber Buttons */
.cyber-button {
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
  border: none;
  border-radius: 25px;
  padding: 12px 30px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.cyber-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.cyber-button:hover::before {
  left: 100%;
}

.cyber-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 30px rgba(0, 212, 255, 0.6);
}

/* Download Button */
.download-btn {
  background: linear-gradient(45deg, var(--success), #00cc66);
  border: none;
  border-radius: 25px;
  padding: 12px 30px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 1rem;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 30px rgba(0, 255, 136, 0.6);
}

.download-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Input Styles */
.input-group {
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.cyber-input {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 10px;
  padding: 12px 20px;
  color: white;
  width: 100%;
  transition: all 0.3s ease;
}

.cyber-input:focus {
  outline: none;
  border-color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.cyber-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

/* File Upload Area */
.file-upload-area {
  border: 2px dashed rgba(0, 212, 255, 0.3);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  background: rgba(0, 212, 255, 0.05);
}

.file-upload-area:hover {
  border-color: var(--neon-blue);
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 212, 255, 0.2);
}

.file-upload-area.dragover {
  border-color: var(--success);
  background: rgba(0, 255, 136, 0.1);
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 255, 136, 0.3);
}

/* Output Preview */
.output-preview {
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed rgba(255, 0, 128, 0.3);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.output-ready {
  border-color: var(--success);
  background: rgba(0, 255, 136, 0.05);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
}

/* Output Details Panel */
.output-details {
  background: rgba(255, 0, 128, 0.05);
  border: 1px solid rgba(255, 0, 128, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1rem;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-item:last-child {
  border-bottom: none;
}

.detail-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.detail-value {
  color: var(--neon-pink);
  font-weight: 600;
}

/* Progress Bar */
.progress-container {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-bar {
  height: 8px;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
  border-radius: 10px;
  transition: width 0.3s ease;
  width: 0%;
}

/* Loading Animation */
.loading-spinner {
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--neon-blue);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 1rem auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Status Messages */
.status-message {
  padding: 1rem;
  border-radius: 10px;
  margin: 1rem 0;
  text-align: center;
  font-weight: 600;
}

.status-success {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  color: var(--success);
}

.status-error {
  background: rgba(255, 0, 64, 0.1);
  border: 1px solid rgba(255, 0, 64, 0.3);
  color: var(--error);
}

.status-warning {
  background: rgba(255, 170, 0, 0.1);
  border: 1px solid rgba(255, 170, 0, 0.3);
  color: var(--warning);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

.hidden { display: none; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-2 { gap: 1rem; }