/* Base Styles */
:root {
  --terminal-green: #00ff00;
  --terminal-dark-green: #006600;
  --terminal-black: #000000;
  --terminal-gray: #333333;
  --terminal-light-gray: #555555;
  --danger: #ff0000;
  --warning: #ffaa00;
  --info: #00aaff;
  --success: #00cc00;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Courier New', monospace;
}

body {
  background-color: var(--terminal-black);
  color: var(--terminal-green);
  line-height: 1.4;
  padding: 10px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 20px;
  padding: 10px;
  background-color: var(--terminal-gray);
  color: var(--terminal-green);
  border-radius: 6px;
  border: 1px solid var(--terminal-green);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

h2 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--terminal-green);
}

h3 {
  font-size: 1.1rem;
  margin: 15px 0 5px 0;
  color: var(--terminal-green);
}

.subtitle {
  font-size: 0.9rem;
  opacity: 0.8;
}

.offline-notice {
  font-size: 0.8rem;
  color: #00ff00;
  border: 1px solid #00ff00;
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  background-color: rgba(0, 50, 0, 0.3);
  margin-top: 5px;
}

/* Tab Navigation */
.tabs {
  display: flex;
  margin-bottom: 15px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--terminal-green);
}

.tab {
  flex: 1;
  padding: 8px;
  background-color: var(--terminal-gray);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.tab:hover {
  background-color: var(--terminal-light-gray);
}

.tab.active {
  background-color: var(--terminal-dark-green);
  color: var(--terminal-black);
}

.tab-content {
  display: none;
  background-color: var(--terminal-gray);
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 15px;
  border: 1px solid var(--terminal-green);
}

.tab-content.active {
  display: block;
}

/* Form Elements */
.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  font-size: 0.9rem;
  text-transform: uppercase;
}

textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--terminal-green);
  border-radius: 4px;
  resize: vertical;
  min-height: 120px;
  background-color: var(--terminal-black);
  color: var(--terminal-green);
  font-family: 'Courier New', monospace;
}

input[type="text"],
input[type="password"],
select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--terminal-green);
  border-radius: 4px;
  background-color: var(--terminal-black);
  color: var(--terminal-green);
}

.size-hint {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 4px;
  font-style: italic;
}

/* Chunk size slider styling */
.size-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 0.75rem;
}

.size-small {
  color: var(--success);
}

.size-large {
  color: var(--warning);
}

/* Slider styling */
input[type="range"].form-control {
  height: 15px;
  -webkit-appearance: none;
  background: var(--terminal-gray);
  border-radius: 8px;
  border: 1px solid var(--terminal-green);
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--terminal-green);
  cursor: pointer;
  border: 1px solid var(--terminal-dark-green);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--terminal-green);
  cursor: pointer;
  border: 1px solid var(--terminal-dark-green);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--terminal-green);
}

/* Buttons */
.btn {
  padding: 8px 12px;
  border: 1px solid var(--terminal-green);
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.2s;
  margin: 4px;
  background-color: var(--terminal-gray);
  color: var(--terminal-green);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.btn:hover {
  background-color: var(--terminal-dark-green);
  color: var(--terminal-black);
  box-shadow: 0 0 8px rgba(0, 255, 0, 0.5);
}

.btn-primary {
  background-color: var(--terminal-dark-green);
  color: var(--terminal-black);
}

.btn-secondary {
  background-color: var(--terminal-gray);
  color: var(--terminal-green);
}

.btn-danger {
  background-color: rgba(255, 0, 0, 0.3);
  border-color: var(--danger);
  color: var(--danger);
}

.btn-warning {
  background-color: rgba(255, 170, 0, 0.3);
  border-color: var(--warning);
  color: var(--warning);
}

.btn-success {
  background-color: rgba(0, 204, 0, 0.3);
  border-color: var(--success);
  color: var(--success);
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}

/* File Upload Areas */
.file-drop-area {
  border: 1px dashed var(--terminal-green);
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  margin-bottom: 15px;
  transition: all 0.2s;
  background-color: rgba(0, 100, 0, 0.1);
}

.file-drop-area.active {
  border-color: var(--terminal-green);
  background-color: rgba(0, 100, 0, 0.3);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.file-input {
  display: none;
}

/* QR Code Display */
.result-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 15px;
}

/* Enhanced QR display container at the top */
.qr-top-container {
  margin: 0 0 20px 0;
  padding: 15px;
  background-color: #fff;
  border-radius: 8px;
  width: 100%;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#qrcode, #p2p-qrcode {
  margin-bottom: 15px;
  display: flex;
  justify-content: center;
  background-color: #fff;
  padding: 10px;
  border-radius: 6px;
  max-width: 100%;
}

#qrcode img, #p2p-qrcode img {
  max-width: 100%;
  height: auto;
}

/* Enhanced QR image styles for top container */
.qr-top-container #p2p-qrcode {
  background-color: #fff;
  padding: 10px;
  margin-bottom: 10px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.qr-top-container #p2p-qrcode img {
  width: 100%;
  max-width: 450px;
  height: auto;
}

/* Fixed QR code display for P2P transfer */
.floating-qr-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background-color: #fff;
  border: 3px solid var(--terminal-green);
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
  max-width: 300px;
  text-align: center;
}

.floating-qr-container .qr-title {
  color: var(--terminal-black);
  font-weight: bold;
  margin-bottom: 5px;
  font-size: 14px;
}

.floating-qr-container .qr-counter {
  color: var(--terminal-black);
  font-size: 12px;
  margin-bottom: 5px;
}

#open-qr-window {
  display: inline-block;
  margin-top: 10px;
  text-decoration: none;
}

.floating-qr-container .qr-close {
  position: absolute;
  top: 5px;
  right: 5px;
  cursor: pointer;
  background: var(--terminal-black);
  color: var(--terminal-green);
  border: 1px solid var(--terminal-green);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  line-height: 18px;
  text-align: center;
  font-size: 12px;
}

.fullscreen-qr {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.fullscreen-qr .qr-content {
  background-color: #fff;
  border-radius: 0;
  text-align: center;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.fullscreen-qr .qr-title {
  color: white;
  font-weight: bold;
  margin: 10px 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 5px;
  background: rgba(0, 0, 0, 0.7);
  z-index: 10;
}

.fullscreen-qr .qr-counter {
  color: white;
  margin: 10px 0;
  position: absolute;
  bottom: 50px;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 5px;
  background: rgba(0, 0, 0, 0.7);
  z-index: 10;
}

#fullscreen-qr-content {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: #fff;
  overflow: hidden;
  flex: 1;
}

#fullscreen-qr-content img {
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
}

#fullscreen-qr-close {
  background: var(--terminal-dark-green);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 10px 20px;
  margin: 0;
  cursor: pointer;
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* Information Boxes */
.info-box {
  background-color: rgba(0, 100, 0, 0.2);
  border-left: 2px solid var(--terminal-green);
  padding: 10px;
  margin-bottom: 15px;
  border-radius: 4px;
  font-size: 0.9rem;
}

.info-title {
  font-weight: bold;
  margin-bottom: 3px;
  color: var(--terminal-green);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.message {
  padding: 10px;
  margin: 8px 0;
  border-radius: 4px;
  font-size: 0.9rem;
  border: 1px solid;
}

.error {
  background-color: rgba(255, 0, 0, 0.1);
  color: var(--danger);
  border-color: var(--danger);
}

.success {
  background-color: rgba(0, 204, 0, 0.1);
  color: var(--success);
  border-color: var(--success);
}

.info {
  background-color: rgba(0, 170, 255, 0.1);
  color: var(--info);
  border-color: var(--info);
}

/* Highlight the password field when needed */
.needs-password {
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0% { border-color: var(--info); }
  50% { border-color: var(--terminal-green); box-shadow: 0 0 8px var(--terminal-green); }
  100% { border-color: var(--info); }
}

/* Progress Bars */
.progress-container {
  width: 100%;
  background-color: var(--terminal-black);
  height: 8px;
  border-radius: 4px;
  margin: 8px 0;
  overflow: hidden;
  border: 1px solid var(--terminal-dark-green);
}

.progress-bar {
  height: 100%;
  border-radius: 4px;
  background-color: var(--terminal-green);
  width: 0%;
  transition: width 0.3s;
}

.progress-bar.warning {
  background-color: var(--warning);
}

.progress-bar.danger {
  background-color: var(--danger);
}

/* Camera Elements */
.camera-container {
  margin: 15px 0;
  text-align: center;
}

/* Enhanced camera container at the top */
.camera-top-container {
  margin: 0 0 20px 0;
  padding: 15px;
  background-color: rgba(0, 100, 0, 0.1);
  border: 1px solid var(--terminal-green);
  border-radius: 8px;
  width: 100%;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

video {
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--terminal-green);
  border-radius: 6px;
  margin: 0 auto;
  background-color: var(--terminal-black);
}

/* Enhanced video styles for top container */
.camera-top-container video {
  max-width: 100%;
  max-height: 450px;
  width: auto;
  height: auto;
  border: 2px solid var(--terminal-green);
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.2);
}

.camera-select-wrapper {
  margin-bottom: 10px;
  border: 1px solid var(--terminal-green);
  padding: 8px;
  border-radius: 4px;
  background-color: rgba(0, 100, 0, 0.1);
}

/* Camera radio button styles */
.camera-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 5px;
}

.camera-option {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid var(--terminal-green);
  border-radius: 4px;
  background-color: var(--terminal-gray);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.8rem;
}

.camera-option:hover {
  background-color: var(--terminal-light-gray);
}

.camera-option.selected {
  background-color: var(--terminal-dark-green);
  color: var(--terminal-black);
  box-shadow: 0 0 5px rgba(0, 255, 0, 0.5);
}

.camera-option input {
  margin-right: 5px;
}

camera-placeholder {
  font-style: italic;
  font-size: 0.9rem;
  opacity: 0.7;
  text-align: center;
}

/* P2P Transfer Elements */
.p2p-mode-selector {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  justify-content: center;
}

.p2p-mode-btn {
  min-width: 120px;
  font-size: 0.9rem;
  padding: 10px;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.p2p-data-container {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.p2p-data-container .form-group {
  flex: 1 1 47%;
  min-width: 280px;
}

@media (max-width: 768px) {
  .p2p-data-container .form-group {
    flex: 1 1 100%;
  }
}

.p2p-mode-btn.active {
  transform: scale(1.02);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.p2p-panel {
  display: none;
}

.p2p-panel.active {
  display: block;
}

.p2p-navigation {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  justify-content: center;
}

/* Enhanced navigation for top container */
.qr-top-container .p2p-navigation {
  margin-top: 15px;
  background-color: var(--terminal-gray);
  padding: 10px;
  border-radius: 6px;
  width: 100%;
  max-width: 400px;
}

/* Make navigation buttons larger */
.qr-top-container .p2p-navigation .btn {
  padding: 10px 20px;
  font-size: 1rem;
  margin: 0 10px;
}

#chunk-counter {
  font-weight: bold;
  font-size: 1rem;
  min-width: 60px;
  text-align: center;
}

/* Enhanced chunk counter for top container */
.qr-top-container #chunk-counter {
  font-size: 1.5rem;
  min-width: 100px;
  color: var(--terminal-green);
  background-color: var(--terminal-black);
  padding: 8px 15px;
  border-radius: 4px;
  margin: 15px 0;
  font-weight: bold;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.5);
}

/* Debug Info */
.debug-info {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  margin-top: 8px;
  padding: 8px;
  background-color: var(--terminal-black);
  border-radius: 4px;
  max-height: 160px;
  overflow: auto;
  display: none;
  border: 1px solid var(--terminal-green);
  color: var(--terminal-green);
}

.debug-toggle {
  background: none;
  border: none;
  color: var(--terminal-green);
  text-decoration: underline;
  cursor: pointer;
  margin-top: 8px;
  font-size: 0.8rem;
}

/* Image Preview */
.image-preview img {
  max-width: 100%;
  max-height: 250px;
  border: 1px solid var(--terminal-green);
  border-radius: 4px;
  margin: 8px 0;
}

/* Animations */
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.cursor-blink::after {
  content: '█';
  animation: blink 1s infinite;
}

/* Footer */
footer {
  text-align: center;
  padding: 10px;
  margin-top: 20px;
  color: var(--terminal-green);
  font-size: 0.7rem;
  border-top: 1px solid var(--terminal-dark-green);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Desktop/Mobile Display */
.mobile-only {
  display: none;
}

.desktop-only {
  display: block;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .button-group {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .p2p-mode-selector {
    flex-direction: column;
  }
  
  .mobile-only {
    display: block;
  }
  
  .desktop-only {
    display: none;
  }
  
  h1 {
    font-size: 2rem;
    text-align: center;
    margin: 10px 0;
    color: var(--terminal-green);
    text-shadow: 0 0 5px rgba(0, 255, 0, 0.5);
    letter-spacing: 2px;
  }
}