/**
 * Textarea Notation Styling
 *
 * Styles for the textarea-based notation rendering system.
 * Uses NotationFont for all visual rendering (PUA glyphs).
 */

/* ========== Line Container ========== */

.notation-line-container {
  position: relative;
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px; /* Space for lyrics below */
}

/* Line gutter - left side with system marker */
.line-gutter {
  flex-shrink: 0;
  width: 32px;
  padding-top: 20px; /* Match content-wrapper padding for tala space */
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 48px; /* Match textarea min-height */
}

/* Line content wrapper - contains overlays and textarea */
.line-content-wrapper {
  flex: 1;
  position: relative;
  padding-top: 20px; /* Space for tala above */
}

/* ========== Notation Textarea ========== */

.notation-textarea {
  font-family: 'NotationFont', monospace;
  font-size: 32px;
  line-height: 1.5;
  width: 100%;
  min-height: 48px;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  resize: none;
  white-space: pre;
  overflow-x: auto;
  overflow-y: hidden;
  outline: none;
  caret-color: #3b82f6;
}

.notation-textarea:focus {
  border-color: #e5e7eb;
  background: rgba(255, 255, 255, 0.5);
}

.notation-textarea:hover:not(:focus) {
  background: rgba(0, 0, 0, 0.02);
}

/* Hide scrollbar but allow scrolling */
.notation-textarea::-webkit-scrollbar {
  height: 4px;
}

.notation-textarea::-webkit-scrollbar-track {
  background: transparent;
}

.notation-textarea::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 2px;
}

.notation-textarea::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* ========== Overlay Containers ========== */

.overlay-container {
  position: absolute;
  left: 12px;  /* Match textarea padding */
  right: 12px;
  pointer-events: none;
  z-index: 1;
}

.tala-overlay {
  top: 0;
  height: 20px;
}

.lyric-overlay {
  bottom: -22px;
  height: 20px;
}

/* ========== Overlay Items ========== */

.overlay-item {
  position: absolute;
  transform: translateX(-50%);
  white-space: nowrap;
}

.tala-item {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: #9333ea;
  letter-spacing: 0.5px;
}

.lyric-item {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: #6b7280;
}

/* Line label styles are in gutter.css under .label-column */

/* ========== Selection Styling ========== */

/* Selection overlay - shown when textarea is unfocused but has selection */
.textarea-selection-overlay {
  position: absolute;
  background: rgba(59, 130, 246, 0.25);
  pointer-events: none;
  z-index: 0;
  border-radius: 2px;
}

/* Indicate textarea has preserved selection */
.notation-textarea.has-selection {
  /* Subtle border to indicate selection exists */
  border-color: rgba(59, 130, 246, 0.3);
}

/* Continuous selection across lines */
.notation-textarea.selection-continues::selection {
  background: #bfdbfe;
}

.notation-textarea.selection-start::selection {
  background: #bfdbfe;
}

.notation-textarea.selection-middle {
  background: rgba(191, 219, 254, 0.3);
}

.notation-textarea.selection-middle::selection {
  background: #bfdbfe;
}

/* ========== Dark Mode ========== */

@media (prefers-color-scheme: dark) {
  .notation-textarea {
    color: #e5e7eb;
    caret-color: #60a5fa;
  }

  .notation-textarea:focus {
    border-color: #374151;
    background: rgba(0, 0, 0, 0.3);
  }

  .notation-textarea:hover:not(:focus) {
    background: rgba(255, 255, 255, 0.05);
  }

  .notation-textarea::-webkit-scrollbar-thumb {
    background: #4b5563;
  }

  .notation-textarea::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
  }

  .tala-item {
    color: #a78bfa;
  }

  .lyric-item {
    color: #9ca3af;
  }

  .label-column .line-label {
    color: #6b7280;
  }
}

/* ========== Responsive ========== */

@media (max-width: 768px) {
  .notation-textarea {
    font-size: 24px;
    padding: 6px 8px;
  }

  .notation-line-container {
    margin-bottom: 24px;
    padding-top: 16px;
  }

  .tala-item {
    font-size: 10px;
  }

  .lyric-item {
    font-size: 12px;
  }

  .label-column {
    width: 60px;
  }

  .label-column .line-label {
    font-size: 20px;
  }
}

/* ========== Print Styles ========== */

@media print {
  .notation-textarea {
    border: none;
    background: transparent;
  }

  .notation-textarea:focus {
    border: none;
    background: transparent;
  }
}