/* 寻音乐网动态谱编辑器 - 完整样式 */
@import url('https://fonts.googleapis.cn/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* CSS Variables - Default Theme (玫红) */
:root {
  --bg-primary: #0d0d1a;
  --bg: #0d0d1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --primary: #e94560;
  --primary-light: #ff6b6d;
  --primary-hover: #ff5a7a;
  --primary-gradient: linear-gradient(135deg, #e94560, #ff6b6d);
  --primary-glow: rgba(233, 69, 96, 0.3);
  --secondary: #0f3460;
  --text: #e8e8e8;
  --text-secondary: #aaa;
  --text-muted: #666;
  --border: rgba(255,255,255,0.1);
  --border-strong: rgba(255,255,255,0.2);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --scanline-color: #e94560;
  --highlight-bg: rgba(233, 69, 96, 0.15);
  --theme-name: 'default';
}

/* Ocean Theme (海洋蓝) */
[data-theme="ocean"] {
  --bg-primary: #001524;
  --bg: #001524;
  --bg-secondary: #002845;
  --bg-tertiary: #003d5c;
  --primary: #0077b6;
  --primary-light: #00b4d8;
  --primary-hover: #0096c7;
  --primary-gradient: linear-gradient(135deg, #0077b6, #00b4d8);
  --primary-glow: rgba(0, 119, 182, 0.3);
  --secondary: #023e8a;
  --scanline-color: #00b4d8;
  --highlight-bg: rgba(0, 180, 216, 0.15);
  --theme-name: 'ocean';
}

/* Forest Theme (森林绿) */
[data-theme="forest"] {
  --bg-primary: #0a1a0f;
  --bg: #0a1a0f;
  --bg-secondary: #1b4332;
  --bg-tertiary: #2d6a4f;
  --primary: #2d6a4f;
  --primary-light: #40916c;
  --primary-hover: #52b788;
  --primary-gradient: linear-gradient(135deg, #2d6a4f, #40916c);
  --primary-glow: rgba(45, 106, 79, 0.3);
  --secondary: #1b4332;
  --scanline-color: #40916c;
  --highlight-bg: rgba(64, 145, 108, 0.15);
  --theme-name: 'forest';
}

/* Purple Theme (紫罗兰) */
[data-theme="purple"] {
  --bg-primary: #0f0a1a;
  --bg: #0f0a1a;
  --bg-secondary: #1e1b4b;
  --bg-tertiary: #312e81;
  --primary: #7c3aed;
  --primary-light: #a855f7;
  --primary-hover: #8b5cf6;
  --primary-gradient: linear-gradient(135deg, #7c3aed, #a855f7);
  --primary-glow: rgba(124, 58, 237, 0.3);
  --secondary: #4c1d95;
  --scanline-color: #a855f7;
  --highlight-bg: rgba(168, 85, 247, 0.15);
  --theme-name: 'purple';
}

/* Golden Theme (金色暖阳) */
[data-theme="golden"] {
  --bg-primary: #1a1206;
  --bg: #1a1206;
  --bg-secondary: #2d1f0d;
  --bg-tertiary: #422006;
  --primary: #f59e0b;
  --primary-light: #fbbf24;
  --primary-hover: #d97706;
  --primary-gradient: linear-gradient(135deg, #f59e0b, #fbbf24);
  --primary-glow: rgba(245, 158, 11, 0.3);
  --secondary: #78350f;
  --scanline-color: #fbbf24;
  --highlight-bg: rgba(251, 191, 36, 0.15);
  --theme-name: 'golden';
}

/* Theme button active state */
.theme-color-btn.active {
  border-color: var(--primary) !important;
  box-shadow: 0 0 8px var(--primary-glow);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

/* App Layout */
.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  background: var(--bg);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  height: 48px;
  flex-shrink: 0;
}

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

/* Toolbar Row */
.toolbar-row {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  min-height: 40px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 8px;
}

/* Toolbar Buttons */
.tb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.tb:hover {
  background: var(--bg-tertiary);
  border-color: var(--border);
}

.tb.active {
  background: var(--primary);
  color: #fff;
}

.tb-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: #fff;
}

.tb-icon svg {
  width: 100%;
  height: 100%;
  flex-shrink: 0;
  stroke: currentColor;
}

/* 覆盖主题的 svg { fill: currentColor; } */
.editor-area svg,
.eb-modal svg,
.tb-icon svg {
  fill: none;
}

/* 播放按钮需要fill */
.player-btn svg,
.play-btn svg {
  fill: currentColor !important;
}

.tb-icon svg circle,
.tb-icon svg line,
.tb-icon svg path,
.tb-icon svg rect {
  stroke: currentColor;
}

.tb:hover .tb-icon {
  color: #e0e0e0;
}

.tb.active .tb-icon {
  color: #fff;
}

.dropdown-btn {
  min-width: 50px;
}

/* Dropdown Menu */
.toolbox-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 120px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  padding: 4px 0;
  display: none;
  z-index: 10003;
}

.toolbox-dropdown.show {
  display: block;
}

.toolbox-dropdown a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s;
}

.toolbox-dropdown a:hover {
  background: rgba(255,255,255,0.05);
}

/* Main Area */
.app-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Editor Area */
.editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Score Viewport */
.score-viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

/* Empty State */
.empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
}

.empty-state-icon {
  opacity: 0.5;
}

.empty-state-text {
  font-size: 16px;
}

.upload-hint {
  margin-top: 8px;
}

/* Score Canvas */
.score-canvas-wrapper {
  position: absolute;
  inset: 0;
  overflow: auto;
  display: none;
  justify-content: center;
  align-items: flex-start;
  /* 滚动性能优化 */
  -webkit-overflow-scrolling: touch; /* iOS 平滑滚动 */
  will-change: scroll-position; /* 提示浏览器优化滚动 */
  scroll-behavior: auto; /* 禁用 CSS smooth scroll，使用 JS 动画控制 */
}

.score-canvas-wrapper.show {
  display: flex;
}

#scoreCanvas {
  display: block;
}

.score-canvas-container {
  position: relative;
}

#melodyOverlay {
  position: absolute;
  top: 0;
  left: 0;
  cursor: crosshair;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: none;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  z-index: 10002;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.sidebar-close {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  border-radius: 4px;
}

.sidebar-close:hover {
  background: var(--border);
  color: var(--text);
}

/* Panel Content */
.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.panel-section {
  margin-bottom: 16px;
}

.panel-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Form Elements */
.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-input {
  width: 100%;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus {
  border-color: var(--primary);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

select.form-input {
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-strong);
}

/* Toggle Button */
/* 设置面板 2列布局 */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.settings-grid .toggle-btn {
  width: 100%;
  text-align: center;
}
.settings-select-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.settings-select-grid .form-group {
  margin-bottom: 0;
}
.toggle-btn {
  width: 100%;
  padding: 8px 12px;
  font-size: 12px;
  text-align: left;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}

.toggle-btn:hover {
  background: var(--bg-tertiary);
}

.toggle-btn.active {
  background: var(--secondary);
  border-color: var(--primary);
}

.melody-toggle-btn {
  padding: 2px 10px;
  font-size: 11px;
  text-align: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  min-width: 36px;
  white-space: nowrap;
}

.melody-toggle-btn:hover {
  background: var(--bg-tertiary);
}

.melody-toggle-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* Player Bar */
.player-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  height: 48px;
  flex-shrink: 0;
  min-height: 48px;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: all 0.15s;
}

.player-btn svg,
.player-btn svg path,
.player-btn svg rect,
.play-btn svg,
.play-btn svg path,
.play-btn svg rect {
  pointer-events: none !important;
  fill: currentColor !important;
}

.player-btn svg {
  width: 16px;
  height: 16px;
}

.player-btn:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

/* Progress Container */
.progress-container {
  flex: 1;
  height: 20px;
  display: flex;
  align-items: center;
  position: relative;
}

.progress-bar {
  width: 100% !important;
  height: 6px !important;
  background: linear-gradient(to right, rgba(99, 102, 241, 0.3), rgba(168, 85, 247, 0.3)) !important;
  border-radius: 3px !important;
  position: relative !important;
  cursor: pointer !important;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.2) !important;
  display: block !important;
}

.progress-fill {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  height: 100% !important;
  width: 0%;
  background: linear-gradient(to right, #6366f1, #a855f7, #ec4899) !important;
  border-radius: 3px !important;
  transition: width 0.1s linear !important;
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.6) !important;
  display: block !important;
}

.progress-thumb {
  position: absolute !important;
  top: 50% !important;
  transform: translate(-50%, -50%) !important;
  width: 12px !important;
  height: 12px !important;
  background: #fff !important;
  border-radius: 50% !important;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3) !important;
  cursor: grab !important;
  display: block !important;
}

.progress-thumb:active {
  cursor: grabbing;
}

/* Time Display */
.time-display {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  min-width: 120px;
}

/* Speed Control */
.speed-control select {
  padding: 4px 8px;
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  cursor: pointer;
}

/* BPM Display */
.bpm-display {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.logo-glow {
  filter: drop-shadow(0 0 4px rgba(99, 102, 241, 0.5));
}

/* Zoom Controls */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.zoom-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}

.zoom-btn:hover {
  background: var(--bg-tertiary);
}

.zoom-value {
  min-width: 40px;
  text-align: center;
  font-size: 11px;
  color: var(--text-secondary);
}

/* Undo/Redo */
.undo-redo-group {
  display: flex;
  gap: 4px;
}

.undo-redo-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  cursor: pointer;
}

.undo-redo-btn:hover {
  background: var(--bg-tertiary);
}

/* Modal */
.eb-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10004;
  padding: 20px;
}

#memberIntroModal {
  z-index: 10005;
}

#u_sign {
  z-index: 10006 !important;
}

.eb-modal-overlay.active {
  display: flex;
}

.eb-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  min-width: 320px;
  max-width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin: auto;
  padding: 5px 5px;
}

.eb-modal-title {
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.eb-modal-body {
  padding: 16px 20px;
  overflow-y: auto;
}

.eb-modal-content {
  padding: 16px 20px;
}

.eb-modal-actions {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  justify-content: flex-end;
  flex-shrink: 0;
}

/* Guide Hint Tag */
.guide-hint-tag {
  display: inline-flex;
  align-items: center;
  background: #6366F1;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
}

/* Guide Modal */
.guide-modal {
  min-width: 320px;
  max-width: 520px;
  width: 90vw;
}

.guide-content {
  padding: 16px 20px;
  flex: 1 1 auto;
  min-height: 0;
  max-height: 60vh;
  overflow-y: auto;
  scrollbar-width: thin;
}

.guide-content ol, .guide-content ul {
  margin: 0 0 12px;
}

.guide-content li {
  margin-bottom: 4px;
}

@media (max-width: 480px) {
  .guide-modal {
    min-width: unset;
    width: 95vw;
  }
  .guide-content {
    padding: 12px;
    max-height: 55vh;
    font-size: 13px;
  }
}

/* Radio Group */
.radio-group {
  display: flex;
  gap: 12px;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.radio-item input {
  accent-color: var(--primary);
}

/* Shortcut Help */
.shortcut-help {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.shortcut-help kbd {
  display: inline-block;
  padding: 2px 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: monospace;
  font-size: 10px;
}

/* Drum Grid */
.drum-grid {
  display: grid;
  grid-template-columns: 80px repeat(16, 1fr);
  gap: 2px;
  margin-top: 12px;
}

.drum-label {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  padding-right: 8px;
}

.drum-cell {
  width: 100%;
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid transparent;
}

.drum-cell:hover {
  background: rgba(255, 255, 255, 0.1);
}

.drum-cell.beat-marker {
  border-left: 2px solid var(--primary);
}

.drum-cell.active {
  background: var(--primary);
  box-shadow: 0 0 8px rgba(233, 69, 96, 0.4);
}

/* Drop Overlay */
.drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(233, 69, 96, 0.1);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  border: 3px dashed var(--primary);
}

.drop-overlay.show {
  display: flex;
}

.drop-overlay-text {
  font-size: 24px;
  color: var(--primary);
  font-weight: 600;
}

/* Enter Hint */
#enterHint {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  z-index: 100;
  display: none;
  animation: pulse 1.5s infinite;
}

#enterHint kbd {
  background: rgba(255,255,255,0.25);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 12px;
  font-family: inherit;
}

#melodyHint {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  z-index: 100;
  display: none;
  animation: pulse 1.5s infinite;
  white-space: nowrap;
}

#melodyHint kbd {
  background: rgba(255,255,255,0.25);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 12px;
  font-family: inherit;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* AI Icon */
.ai-icon {
  vertical-align: middle;
}

/* Lists */
#linesList, #measuresList, #sequenceList {
  overflow-y: auto;
}

/* Upload Overlay */
.upload-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.upload-overlay.active {
  display: flex;
}

.upload-overlay-content {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 30px 40px;
  text-align: center;
  max-width: 400px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.upload-overlay-icon {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 16px;
  animation: uploadPulse 1.5s infinite;
}

@keyframes uploadPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.upload-overlay-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.upload-overlay-progress {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}

.upload-overlay-progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

.upload-overlay-text {
  font-size: 14px;
  color: var(--text-secondary);
}

.upload-overlay-warning {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* Line Item */
.line-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 4px;
  font-size: 12px;
}

.line-item:hover {
  background: var(--bg-tertiary);
}

/* Section Box */
.section-box {
  position: absolute;
  border: 2px solid var(--primary);
  background: rgba(233, 69, 96, 0.1);
  pointer-events: none;
}

/* Pitch Shift Control */
.pitch-shift-control {
  margin-top: 8px;
}

/* Watermark Position Grid */
.wm-pos {
  transition: all 0.15s;
}

.wm-pos:hover {
  background: var(--bg-tertiary) !important;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Missing Styles */

/* Home Button */
.home-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: all 0.2s;
}

.home-btn:hover {
  background: rgba(255,255,255,0.1);
}

/* Play Button */
.play-btn {
  background: var(--primary) !important;
  color: white !important;
}

.play-btn:hover {
  filter: brightness(1.1);
}

/* Tap Button (节拍敲打按钮) */
.tap-btn {
  background: rgba(99, 102, 241, 0.15) !important;
  color: #6366F1 !important;
  transition: all 0.15s ease;
}

.tap-btn:hover {
  background: rgba(99, 102, 241, 0.25) !important;
}

.tap-btn:active,
.tap-btn.tapped {
  background: var(--primary) !important;
  color: white !important;
  transform: scale(0.95);
}

/* Toolbar Button Label */
.tb-label {
  font-size: 11px;
  margin-left: 4px;
}

/* Modal Header */
.eb-modal-header {
  padding: 16px 16px 0;
  border-bottom: none;
}

.eb-modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* Watermark Color Preset */
.wm-color-preset {
  cursor: pointer;
  transition: all 0.15s;
}

.wm-color-preset:hover {
  transform: scale(1.1);
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 240px;
  }
  
  .toolbar-row {
    overflow-x: auto;
  }
}

/* ========== Player Styles ========== */
/* Player Layout */
.player-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg-primary);
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.project-name {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Player Main */
.player-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Canvas Container */
.canvas-container {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  overflow: hidden;
}

.canvas-viewport {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.canvas-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.canvas-wrapper canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

/* Center Play Button */
.center-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(233, 69, 96, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 10;
}

.center-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 6px 30px rgba(233, 69, 96, 0.5);
}

.center-play-btn.hidden {
  display: none;
}

.center-play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

/* Play Controls */
.play-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
}

/* Button Icon */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.15s;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* Playback Controls */
.playback-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-label {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.control-value {
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
}

/* Embedded Player */
.embedded-player {
  width: 100%;
  height: 100%;
  border: none;
}

/* Hidden */
.hidden {
  display: none !important;
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Melody Line Settings */
.melody-line-settings {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.melody-line-settings .setting-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: block;
}

.melody-line-settings .setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.melody-line-settings .setting-row label {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 60px;
}

.melody-line-settings .setting-row input[type="range"] {
  flex: 1;
  margin: 0 8px;
  accent-color: var(--primary);
  height: 4px;
}

.melody-line-settings .setting-row .value-display {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 24px;
  text-align: right;
}

.icon-picker {
  position: relative;
  display: inline-block;
}

.icon-picker-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.icon-picker-btn:hover {
  border-color: var(--primary);
  background: var(--bg-tertiary);
}

.icon-picker-btn .preview-icon {
  font-size: 14px;
  line-height: 1;
}

.icon-picker-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  min-width: 140px;
}

.icon-picker-dropdown.show {
  display: grid;
}

.icon-picker-item {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.15s;
  border: 1px solid transparent;
}

.icon-picker-item:hover {
  background: var(--bg-tertiary);
  border-color: var(--border);
}

.icon-picker-item.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.icon-picker-item.none-icon {
  font-size: 11px;
  color: var(--text-muted);
}

.icon-picker-item.none-icon.active {
  color: white;
}

/* Watermark Overlay - JS controls all styles via cssText */
#watermarkOverlay {
  /* positioned inside score-canvas-wrapper; visibility controlled by JS */
  position: absolute;
  z-index: 10000;
  pointer-events: none;
  overflow: visible;
}

/* ==================== 修图弹窗 ==================== */
.puzzle-image-item {
  position: relative;
  width: 160px;  /* 固定宽度，避免宽图导致滚动条 */
  background: #2a2a2a;
  border-radius: 6px;
  overflow: hidden;
  cursor: grab;
  transition: box-shadow 0.2s;
  border: 2px solid transparent;
}
.puzzle-image-item:hover {
  border-color: rgba(233, 69, 96, 0.3);
}
.puzzle-image-item.puzzle-dragging {
  opacity: 0.4;
  border-color: var(--primary, #e94560);
}
.puzzle-image-item.puzzle-drag-over {
  border-color: var(--primary, #e94560);
  box-shadow: 0 0 12px rgba(233, 69, 96, 0.3);
}
.puzzle-image-item .puzzle-img-preview {
  width: 100%;
  height: 120px;  /* 固定高度 */
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: #1a1a1a;
}
.puzzle-image-item img {
  max-width: 150px;
  max-height: 110px;
  display: block;
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
  object-fit: contain;
}
.puzzle-image-item .puzzle-btn-crop,
.puzzle-image-item .puzzle-btn-delete {
  opacity: 0;
  transition: opacity 0.2s;
}
.puzzle-image-item:hover .puzzle-btn-crop,
.puzzle-image-item:hover .puzzle-btn-delete {
  opacity: 1;
}
.puzzle-btn-crop:hover {
  background: var(--primary, #e94560) !important;
}
.puzzle-btn-delete:hover {
  background: #c0392b !important;
}

/* 禁止右键和长按保存图片 */
#score-canvas,
#score-canvas img,
.score-image,
.score-image img,
.puzzle-preview img,
.puzzle-image-item img,
img[src*="xynscore"],
img[data-score] {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none;
  touch-action: manipulation;
  pointer-events: none;
}

/* 编辑器图片容器 */
.score-container,
#score-container {
  -webkit-touch-callout: none;
  touch-action: manipulation;
}

/* 导出视频弹窗样式 */
.export-modal {
  min-width: 360px;
  max-width: 480px;
}

.export-modal .modal-title-bar {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 16px 20px;
  border-radius: 12px 12px 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.export-modal .modal-title-bar h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.export-modal .modal-title-bar .icon {
  width: 24px;
  height: 24px;
}

.export-modal .export-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.export-modal .export-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.export-modal .export-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #333;
  display: flex;
  align-items: center;
  gap: 6px;
}

.export-modal .export-section-title::before {
  content: "";
  width: 3px;
  height: 14px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 2px;
}

.export-modal .setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(102, 126, 234, 0.05);
  border-radius: 8px;
  border: 1px solid rgba(102, 126, 234, 0.15);
}

.export-modal .setting-label {
  font-size: 0.8rem;
  color: #555;
}

.export-modal .setting-control select,
.export-modal .setting-control input {
  padding: 6px 12px;
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 6px;
  background: white;
  font-size: 0.85rem;
  min-width: 120px;
  cursor: pointer;
  transition: all 0.2s;
}

.export-modal .setting-control select:hover,
.export-modal .setting-control input:hover {
  border-color: #667eea;
  box-shadow: 0 2px 4px rgba(102, 126, 234, 0.15);
}

.export-modal .setting-control select:focus,
.export-modal .setting-control input:focus {
  outline: none;
  border-color: #667eea;
}

.export-modal .progress-container {
  margin-top: 16px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
  border-radius: 10px;
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.export-modal .progress-bar-bg {
  background: rgba(255, 255, 255, 0.8);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}

.export-modal .progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #667eea, #764ba2);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.export-modal .progress-text {
  margin-top: 8px;
  font-size: 0.85rem;
  color: #555;
  text-align: center;
}

.export-modal .export-buttons {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  justify-content: center;
}

.export-modal .btn-export {
  padding: 10px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.export-modal .btn-export:hover {
  transform: translateY(2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.export-modal .btn-cancel {
  padding: 10px 24px;
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.export-modal .btn-cancel:hover {
  background: rgba(102, 126, 234, 0.15);
}

@media (max-width: 480px) {
  .export-modal {
    min-width: unset;
    width: 95vw;
  }
  .export-content {
    padding: 12px;
  }
  .setting-row {
    flex-direction: column;
    gap: 8px;
  }
  .setting-control select,
  .setting-control input {
    width: 100%;
    min-width: unset;
  }
}

/* Export Modal - New Style */
.eb-export-modal {
  width: 480px;
  max-width: 95vw;
}

.eb-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: white;
  border-radius: 12px 12px 0 0;
}

.eb-modal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
}

.eb-modal-title svg {
  opacity: 0.9;
}

.eb-modal-close {
  background: rgba(255,255,255,0.2);
  border: none;
  border-radius: 6px;
  padding: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.eb-modal-close:hover {
  background: rgba(255,255,255,0.3);
}

.eb-modal-close svg {
  color: white;
}

.eb-modal-footer {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  justify-content: center;
  background: var(--bg-secondary);
}

.export-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.export-option-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.export-option-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.export-option-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.export-radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.export-radio-item:hover {
  border-color: var(--accent-primary);
  background: var(--bg-hover);
}

.export-radio-item input[type="radio"] {
  accent-color: var(--accent-primary);
  width: 16px;
  height: 16px;
}

.export-radio-item .radio-label {
  font-size: 14px;
  color: var(--text-primary);
}

.export-radio-item.vip-option {
  background: linear-gradient(135deg, rgba(255, 205, 48, 0.1), rgba(255, 205, 48, 0.05));
  border-color: rgba(255, 205, 48, 0.3);
}

.export-radio-item.vip-option:hover {
  border-color: #FFCD30;
}

.vip-badge {
  margin-left: auto;
}

.export-progress-container {
  margin-top: 16px;
  padding: 16px;
  background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.1), rgba(var(--accent-secondary-rgb), 0.1));
  border-radius: 10px;
  border: 1px solid var(--border);
  display: none;
}

.export-progress-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.export-progress-bar {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.export-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 4px;
  width: 0%;
}

.export-progress-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
}

@media (max-width: 480px) {
  .export-options-grid {
    grid-template-columns: 1fr;
  }
  
  .eb-modal-footer {
    flex-direction: column;
  }
}