/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
}

.logo i {
  font-size: 1.8rem;
  color: #4ade80;
}

.logo h1 {
  font-size: 1.4rem;
  font-weight: 600;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  color: white;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.connection-status.connected {
  background: rgba(74, 222, 128, 0.2);
  border: 1px solid #4ade80;
}

.connection-status.error {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid #ef4444;
}

.connection-status.connecting {
  background: rgba(251, 191, 36, 0.2);
  border: 1px solid #fbbf24;
}

.connection-status i {
  animation: pulse 2s infinite;
}

/* Main Content */
.main-content {
  padding: 1.5rem 0;
}

/* Control Panel */
.control-panel {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 15px;
  padding: 1.5rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.panel-header h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #1f2937;
  font-size: 1.3rem;
}

.panel-header i {
  color: #667eea;
}

.machine-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #f3f4f6;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 500;
  font-size: 0.9rem;
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.status-indicator.ready {
  background: #3b82f6;
  box-shadow: 0 0 8px #3b82f6;
}

.status-indicator.progress {
  background: #fbbf24;
  box-shadow: 0 0 8px #fbbf24;
}

.status-indicator.done {
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
}

.status-indicator.error {
  background: #ef4444;
  box-shadow: 0 0 8px #ef4444;
}

/* Control Buttons */
.control-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.btn {
  position: relative;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.btn i {
  font-size: 1.5rem;
}

.btn-glow {
  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;
}

.btn:hover .btn-glow {
  left: 100%;
}

.btn:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

.btn-dingin {
  background: linear-gradient(135deg, #3b82f6, #1e40af);
  color: white;
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.btn-dingin:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(59, 130, 246, 0.4);
}

.btn-normal {
  background: linear-gradient(135deg, #4ade80, #22c55e);
  color: white;
  box-shadow: 0 5px 15px rgba(74, 222, 128, 0.3);
}

.btn-normal:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(74, 222, 128, 0.4);
}

.btn-panas {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  box-shadow: 0 5px 15px rgba(239, 68, 68, 0.3);
}

.btn-panas:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(239, 68, 68, 0.4);
}

.btn-cancel {
  background: linear-gradient(135deg, #6b7280, #4b5563);
  color: white;
  box-shadow: 0 5px 15px rgba(107, 114, 128, 0.3);
}

.btn-cancel:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(107, 114, 128, 0.4);
}

/* Progress Bar */
.progress-container {
  margin-bottom: 1.5rem;
}

.progress-container h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #1f2937;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.progress-container i {
  color: #667eea;
}

.progress-bar {
  position: relative;
  background: #e5e7eb;
  border-radius: 8px;
  height: 18px;
  overflow: hidden;
}

.progress-bar-fill {
  background: linear-gradient(90deg, #667eea, #764ba2);
  height: 100%;
  transition: width 0.3s ease;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
}

/* Message Log */
.message-log {
  background: #1f2937;
  border-radius: 10px;
  padding: 1rem;
  color: white;
}

.message-log h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  color: #4ade80;
  font-size: 1.1rem;
}

.log-content {
  max-height: 150px;
  overflow-y: auto;
  font-family: "Courier New", monospace;
  font-size: 0.85rem;
}

.log-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.timestamp {
  color: #fbbf24;
  min-width: 70px;
}

.message {
  color: #e5e7eb;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 200;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  max-width: 400px;
  width: 90%;
  text-align: center;
  position: relative;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 1.5rem;
  cursor: pointer;
  color: #333;
}

.modal-content h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #1f2937;
}

.modal-content p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
  color: #1f2937;
}

.modal-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Barcode Image */
#barcodeImage {
  max-width: 200px;
  max-height: 200px;
  margin: 1rem auto;
  display: block;
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.1);
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 1.5rem;
}

/* Animations */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  .header-content {
    flex-direction: column;
    text-align: center;
  }

  .logo h1 {
    font-size: 1.2rem;
  }

  .control-buttons {
    grid-template-columns: 1fr;
  }

  .panel-header {
    flex-direction: column;
    text-align: center;
  }

  .modal-content {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .control-panel {
    padding: 1rem;
  }

  .btn {
    padding: 0.75rem;
    font-size: 0.9rem;
  }

  .btn i {
    font-size: 1.2rem;
  }

  .modal-content {
    padding: 1rem;
  }
}

/* Custom Scrollbar */
.log-content::-webkit-scrollbar {
  width: 6px;
}

.log-content::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.log-content::-webkit-scrollbar-thumb {
  background: #4ade80;
  border-radius: 3px;
}

.log-content::-webkit-scrollbar-thumb:hover {
  background: #22c55e;
}