/* Read Mode Overlay Styles */
.read-mode-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%; /* Fallback */
  height: 100dvh; /* Dynamic viewport height for mobile */
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  background: rgba(16, 20, 24, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: none;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  /* Mobile scroll fixes */
  overscroll-behavior: none;
  touch-action: none;
}

.read-mode-overlay[open] {
  opacity: 1;
  pointer-events: auto;
  display: flex; /* Ensure flex is applied when open */
}

.read-mode-container {
  width: clamp(300px, 90vw, 800px);
  height: clamp(400px, 80vh, 900px);
  background: #2a2a2a;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.read-mode-header {
  padding: 1rem;
  display: flex;
  justify-content: flex-end;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.read-mode-header .close-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.read-mode-header .close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

#readModeInput {
  flex: 1;
  width: 100%;
  background: transparent;
  border: none;
  color: #f5f5f5;
  font-size: 1.1rem;
  line-height: 1.6;
  padding: 1.5rem;
  resize: none;
  outline: none;
  font-family: inherit;
  /* Allow scrolling inside input */
  touch-action: pan-y;
  overscroll-behavior: contain;
}

#readModeInput::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.read-mode-content {
  flex: 1;
  width: 100%;
  padding: 1.5rem;
  color: #f5f5f5;
  font-size: 1.1rem;
  line-height: 1.6;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  /* Removed justify-content: center to fix clipping issue */
  text-align: left;
  /* Allow scrolling inside content */
  touch-action: pan-y;
  overscroll-behavior: contain;
}

.read-mode-text-wrapper {
  margin: auto; /* Centers vertically and horizontally */
  width: fit-content;
  max-width: 100%;
  white-space: pre-wrap;
}

/* Mobile adjustments */
@media (max-width: 640px) {
  .read-mode-container {
    width: 100%;
    height: 100%;
    height: 100dvh; /* Use dynamic viewport height */
    border-radius: 0;
    border: none;
  }
  
  .read-mode-header {
    padding: 0.8rem;
    padding-top: calc(0.8rem + env(safe-area-inset-top));
  }
}