:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0284c7;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --border: #334155;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

h1 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 500;
}
.badge.online { background-color: rgba(34, 197, 94, 0.2); color: var(--success); }
.badge.offline { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); }

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

select {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 0.85rem;
}

#btn-reconnect {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 32px;
  height: 32px;
  cursor: pointer;
}

.tab-bar {
  display: flex;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  flex: 1;
  padding: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background-color: rgba(56, 189, 248, 0.05);
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.tab-pane {
  display: none;
  flex: 1;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  padding: 12px;
}
.tab-pane.active {
  display: flex;
}

/* Screen Tab */
#tab-screen {
  padding: 0;
  display: none;
}
#tab-screen.active {
  display: flex;
}

.screen-container {
  flex: 1;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  touch-action: none;
}

#remote-screen {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: none;
}

.no-signal {
  color: var(--text-muted);
  text-align: center;
  padding: 20px;
}
.no-signal small {
  display: block;
  margin-top: 8px;
  color: #64748b;
}

.virtual-controls {
  display: flex;
  gap: 6px;
  padding: 8px;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  align-items: center;
  flex-wrap: wrap;
}

.btn-ctrl, #btn-send-text {
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  cursor: pointer;
}
.btn-ctrl:active, #btn-send-text:active {
  background-color: var(--accent);
  color: #000;
}

#quick-text-input {
  flex: 1;
  min-width: 140px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 0.85rem;
}

/* Card layout for AI & APK tab */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}
.subtitle {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.prompt-input-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#prompt-input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-main);
  padding: 10px;
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
}

.input-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.file-label {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}
.file-label input[type="file"] {
  position: absolute;
  left: -9999px;
}

#attached-filename {
  font-size: 0.75rem;
  color: var(--accent);
}

.btn-primary, .btn-secondary, .btn-accent {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-primary { background-color: var(--accent); color: #0f172a; }
.btn-secondary { background-color: var(--bg-tertiary); color: var(--text-main); }
.btn-accent { background-color: #8b5cf6; color: #fff; }

.btn-primary:active, .btn-secondary:active, .btn-accent:active {
  opacity: 0.8;
}

.input-full {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 8px 10px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.btn-sm {
  padding: 4px 8px;
  background-color: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
}

#build-logs {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.75rem;
  max-height: 250px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  color: #38bdf8;
}

.apk-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.apk-info h4 {
  font-size: 0.85rem;
  margin-bottom: 4px;
}
.apk-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-download {
  background-color: var(--success);
  color: #0f172a;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius);
}