/* ===== Layout ===== */

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
}

#editor-container {
  flex: 1;
  overflow-y: auto;
  position: relative;
  background: #fdfdfd;
}

/* ===== Toolbar ===== */

#toolbar .icon {
  vertical-align: middle;
}

#toolbar .btn-group-sm .btn,
#toolbar .btn-sm {
  font-size: 0.8rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.mode-dependent {
  transition: opacity 0.15s;
}

.mode-dependent.disabled-mode {
  opacity: 0.4;
  pointer-events: none;
}

/* ===== Panel ===== */

#panel {
  min-height: 0;
  transition: min-height 0.2s;
}

#panel:empty,
#panel:not(:has(.panel-content:not(.d-none))) {
  min-height: 0;
  border-bottom: none !important;
}

.panel-content {
  max-height: 200px;
  overflow-y: auto;
}

/* ===== Editor ===== */

.tab-editor {
  font-family: 'Source Code Pro', monospace;
  font-size: 14px;
  line-height: 1.4;
  padding: 12px 16px;
  min-height: 100%;
  white-space: pre;
  outline: none;
  cursor: text;
}

/* Block styling */
.block {
  position: relative;
}

.block-tabrow {
  /* Subtle background for tab rows to distinguish from text */
}

.block-tabrow:hover {
  background: rgba(0, 100, 200, 0.02);
}

.block-tabrow {
  user-select: none;
}

.line {
  min-height: 1.4em;
}

.line-tab {
  color: #333;
}

.line-pre {
  color: #0066cc;
  font-weight: bold;
}

.line-post {
  color: #0066ccd0;
}

.line-text {
  color: #333;
}

.line-raw {
  color: #333;
  min-height: 1.4em;
}

.raw-selection,
.tab-selection {
  position: absolute;
  background: rgba(0, 102, 204, 0.2);
  pointer-events: none;
  z-index: 1;
}

/* ===== Cursor ===== */

.cursor {
  position: absolute;
  width: 3px;
  background: #0066cc;
  pointer-events: none;
  z-index: 10;
  display: none;
}

.cursor.visible {
  display: block;
}

.cursor.tab-cursor {
  background: rgba(0, 102, 204, 0.8);
  width: 3px;
}

/* ===== Character measurement ===== */

.char-measure {
  font-family: 'Source Code Pro', monospace;
  font-size: 14px;
  line-height: 1.4;
  position: absolute;
  visibility: hidden;
  white-space: pre;
  pointer-events: none;
}

/* ===== Selection highlight ===== */

.block .line.selected-line {
  background: rgba(0, 100, 200, 0.1);
}

/* ===== Fretboard Panel ===== */

.fretboard-wrapper {
  overflow-x: auto;
}

.fretboard-grid {
  user-select: none;
}

.fret-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 13px;
  color: #555;
  background: #f0f0f0;
  border-right: 2px solid #333;
}

.fret-cell {
  position: relative;
  height: 24px;
  border-right: 1px solid #ccc;
  background: #f8f5f0;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.fret-cell:hover {
  background: #e8e4d8;
}

.fret-cell.active {
  background: #cce5ff;
}

.string-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* Per-string widths: silver e(1px) B(1.5px) G(2px), gold D(1px) A(2px) E(3px) */
.string-line.string-0 { height: 1px; background: #999; }
.string-line.string-1 { height: 1.5px; background: #999; }
.string-line.string-2 { height: 2px; background: #999; }
.string-line.string-3 { height: 1px; background: #b8860b; }
.string-line.string-4 { height: 2px; background: #b8860b; }
.string-line.string-5 { height: 3px; background: #b8860b; }

.fret-number-spacer {
  /* Empty corner cell below labels */
}

.fret-number-cell {
  text-align: center;
  font-size: 9px;
  color: #888;
  padding-top: 2px;
  user-select: none;
}

.time-sig-control {
  min-width: 90px;
}

/* ===== Fingerpick Panel ===== */

.chord-table {
  border-collapse: collapse;
  font-size: 12px;
  white-space: nowrap;
}

.chord-table th {
  padding: 2px 6px;
  text-align: center;
  background: #f0f0f0;
  border: 1px solid #ddd;
  font-size: 11px;
  color: #666;
}

.chord-cell {
  padding: 4px 7px;
  text-align: center;
  border: 1px solid #ddd;
  cursor: pointer;
  user-select: none;
  min-width: 48px;
  font-size: 13px;
}

.chord-cell:hover {
  background: #e8e4d8;
}

.chord-cell.active {
  background: #0d6efd;
  color: white;
  font-weight: bold;
}

.chord-cell.chord-empty {
  background: #f8f8f8;
  cursor: default;
}

.mini-strings-panel {
  min-width: 80px;
  padding: 4px;
}

.mini-string-row {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  cursor: pointer;
}

.mini-string-row:hover {
  background: rgba(0, 100, 200, 0.05);
}

.mini-string-num {
  font-size: 10px;
  color: #999;
  width: 12px;
  text-align: center;
}

.mini-string-line {
  flex: 1;
  height: 1px;
  background: #999;
  position: relative;
}

.mini-string-line.string-thick {
  height: 2px;
  background: #b8860b;
}

.mini-fret-marker {
  font-size: 11px;
  font-weight: bold;
  width: 16px;
  text-align: center;
  color: #333;
}

.mini-fret-marker.muted {
  color: #ccc;
}

.mini-chord-name {
  color: #0d6efd;
}

.chord-table-tip {
  font-size: 11px;
  color: #888;
  margin-top: 4px;
  font-style: italic;
}

/* ===== Chord search dialog ===== */

.chord-search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.2);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
}

.chord-search-dialog {
  background: white;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  padding: 16px 24px;
  min-width: 280px;
}

.chord-search-label {
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 6px;
  color: #333;
}

.chord-search-input {
  width: 100%;
  font-size: 20px;
  padding: 6px 10px;
  border: 2px solid #0d6efd;
  border-radius: 4px;
  outline: none;
  font-family: inherit;
}

.chord-search-input:focus {
  border-color: #0a58ca;
  box-shadow: 0 0 0 3px rgba(13,110,253,0.25);
}

.chord-search-match {
  margin-top: 8px;
  font-size: 14px;
  color: #333;
  min-height: 20px;
}

.chord-search-match.no-match {
  color: #999;
  font-style: italic;
}

.chord-search-hint {
  margin-top: 6px;
  font-size: 11px;
  color: #999;
}

/* ===== Fingerpick toast message ===== */

.fp-toast {
  display: none;
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: #f8d7da;
  color: #842029;
  border: 1px solid #f5c2c7;
  border-radius: 6px;
  padding: 10px 24px;
  font-size: 16px;
  white-space: nowrap;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ===== Copy toast ===== */

.copy-toast {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 14px;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  animation: toast-fade 2s ease-in-out;
}

@keyframes toast-fade {
  0% { opacity: 1; }
  70% { opacity: 1; }
  100% { opacity: 0; }
}

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

@media (max-width: 576px) {
  .tab-editor {
    font-size: 11px;
    padding: 8px;
  }

  .char-measure {
    font-size: 11px;
  }

  #toolbar .btn-group-sm .btn {
    font-size: 0.7rem;
    padding: 0.2rem 0.35rem;
  }

  .panel-content {
    max-height: 150px;
  }
}

@media (max-width: 768px) {
  .tab-editor {
    font-size: 12px;
  }

  .char-measure {
    font-size: 12px;
  }
}

/* ===== Misc ===== */

/* Error overlay for Raw Edit validation */
.parse-error-banner {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #f8d7da;
  color: #842029;
  border-bottom: 1px solid #f5c2c7;
  padding: 8px 16px;
  font-size: 0.85rem;
}

.parse-error-banner button {
  margin-left: 12px;
}