/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: 'Open Sans', sans-serif;
  background-color: #ffffff;
  color: #333333;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

/* CloudFone specific styles */
@media screen and (max-width: 320px) {
  html, body {
    font-size: 12px;
  }
}

@media screen and (max-width: 240px) {
  html, body {
    font-size: 10px;
  }
}

@media screen and (max-width: 160px) {
  html, body {
    font-size: 8px;
  }
}

/* CloudFone keyboard navigation focus styles */
.focusable {
  outline: none;
  transition: background-color 0.2s ease;
}

.focusable:focus,
.focusable.focused {
  background-color: #e3f2fd !important;
  border: 2px solid #2196f3 !important;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  position: relative;
}

/* Header styles */
#header {
  background-color: #0061e0;
  color: white;
  padding: 5px 10px;
  text-align: center;
  height: 30px;
}

#header h1 {
  font-size: 18px;
  font-weight: bold;
}

/* Content area */
#content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Screen styles */
.screen {
  display: none;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.screen.active {
  display: block;
}

/* List styles */
.nav-list {
  list-style: none;
  width: 100%;
}

.nav-list li {
  padding: 10px;
  border-bottom: 1px solid #e0e0e0;
  cursor: pointer;
}

.nav-list li.focused {
  background-color: #e0e0e0;
}

.nav-list li.no-apps {
  text-align: center;
  color: #777;
  font-style: italic;
}

/* App details screen */
.details-container {
  padding: 15px;
  text-align: center;
}

#app-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 10px;
  background-color: #e0e0e0;
  border-radius: 8px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-initials {
  font-size: 28px;
  font-weight: bold;
  color: white;
}

#app-name {
  font-size: 18px;
  margin-bottom: 5px;
}

#app-info {
  font-size: 12px;
  color: #777;
  margin-bottom: 20px;
}

.button-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

button {
  padding: 8px 15px;
  border-radius: 4px;
  border: none;
  font-size: 14px;
  cursor: pointer;
}

button:focus {
  outline: 2px solid #0061e0;
}

.primary-btn {
  background-color: #0061e0;
  color: white;
}

.secondary-btn {
  background-color: #e0e0e0;
  color: #333;
}

.danger-btn {
  background-color: #e74c3c;
  color: white;
}

/* Settings screen */
.settings-container {
  padding: 15px;
}

.settings-container h2 {
  font-size: 18px;
  margin-bottom: 15px;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
}

select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: white;
}

select:focus {
  outline: 2px solid #0061e0;
  border-color: #0061e0;
}

input[type="checkbox"] {
  width: 20px;
  height: 20px;
}

input[type="checkbox"]:focus {
  outline: 2px solid #0061e0;
}

/* Emulator screen */
#emulator-canvas {
  width: 100%;
  height: calc(100% - 80px);
  background-color: black;
}

#virtual-keyboard {
  height: 80px;
  background-color: #f0f0f0;
  border-top: 1px solid #ccc;
}

/* File browser */
.browser-container {
  height: 100%;
  display: flex;
  flex-direction: column;
}

#current-path {
  padding: 5px 10px;
  background-color: #f0f0f0;
  border-bottom: 1px solid #ccc;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#file-list {
  flex: 1;
  overflow-y: auto;
}

.file-item {
  display: flex;
  align-items: center;
}

.file-icon {
  margin-right: 8px;
  width: 16px;
  height: 16px;
  background-size: contain;
  background-repeat: no-repeat;
}

.file-icon.folder {
  background-image: url('../img/folder.png');
}

.file-icon.jar {
  background-image: url('../img/jar.png');
}

.file-icon.file {
  background-image: url('../img/file.png');
}

/* Loading indicator */
#loading-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 15px 20px;
  border-radius: 5px;
  font-size: 14px;
  z-index: 1000;
  display: none;
}

#loading-indicator.active {
  display: block;
}

/* Soft keys */
#softkeys {
  display: flex;
  justify-content: space-between;
  background-color: #0061e0;
  color: white;
  height: 30px;
  padding: 0 5px;
  font-size: 14px;
  line-height: 30px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

#softkey-left, #softkey-center, #softkey-right {
  flex: 1;
  text-align: center;
  cursor: pointer;
  padding: 0 5px;
}

#softkey-left {
  text-align: left;
}

#softkey-right {
  text-align: right;
}

/* CloudFone Device Detection */
.cloudfone-device #content {
  padding-bottom: 30px; /* Make room for soft keys */
}

/* CloudFone small screen optimizations */
@media screen and (max-width: 320px) {
  #header h1 {
    font-size: 14px;
  }
  
  .nav-list li {
    padding: 8px;
    font-size: 12px;
  }
  
  #softkeys {
    font-size: 12px;
    height: 25px;
    line-height: 25px;
  }
}

@media screen and (max-width: 240px) {
  #header {
    height: 25px;
    padding: 3px 8px;
  }
  
  #header h1 {
    font-size: 12px;
  }
  
  .nav-list li {
    padding: 6px;
    font-size: 10px;
  }
  
  #softkeys {
    font-size: 10px;
    height: 20px;
    line-height: 20px;
  }
  
  .cloudfone-device #content {
    padding-bottom: 20px;
  }
}

@media screen and (max-width: 160px) {
  #header {
    height: 20px;
    padding: 2px 5px;
  }
  
  #header h1 {
    font-size: 10px;
  }
  
  .nav-list li {
    padding: 4px;
    font-size: 8px;
  }
  
  #softkeys {
    font-size: 8px;
    height: 18px;
    line-height: 18px;
  }
  
  .cloudfone-device #content {
    padding-bottom: 18px;
  }
}