/* ---- 通用：让三块视觉风格更统一一些（可选） ---- */
.midi-block { max-width: 980px; }
.midi-block h3.title { margin-bottom: .6rem; }

/* =========================
   主题 A：theme-yellow（专业现代风格）
   ========================= */
.midi-style.theme-yellow midi-player {
  display: block;
  width: 100%;
  margin: 4px 0 0;
}
.midi-style.theme-yellow midi-player::part(control-panel) {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px 12px 0 0;
  padding: 8px 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.midi-style.theme-yellow midi-player::part(play-button) {
  color: #ffffff;
  border: none;
  background-color: #3b82f6;
  border-radius: 50%;
  transition: all .2s ease;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}
.midi-style.theme-yellow midi-player::part(play-button):hover {
  background-color: #2563eb;
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.4);
}
.midi-style.theme-yellow midi-player::part(time) {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-weight: 500;
  color: #475569;
}

/* 可视化容器（piano-roll / staff 都统一边框与圆角） */
.midi-style.theme-yellow midi-visualizer .piano-roll-visualizer,
.midi-style.theme-yellow midi-visualizer .staff-visualizer {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-top: none;
  border-radius: 0 0 12px 12px;
  margin: 0 0 4px;
  overflow: auto;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

/* 音符样式（piano-roll） */
.midi-style.theme-yellow midi-visualizer svg rect.note {
  opacity: .85;
  stroke-width: 1;
}
.midi-style.theme-yellow midi-visualizer svg rect.note[data-instrument="0"] { fill: #3b82f6; stroke: #1d4ed8; }
.midi-style.theme-yellow midi-visualizer svg rect.note[data-instrument="2"] { fill: #06b6d4; stroke: #0891b2; }
.midi-style.theme-yellow midi-visualizer svg rect.note[data-is-drum="true"] { fill: #64748b; stroke: #475569; }
.midi-style.theme-yellow midi-visualizer svg rect.note.active { opacity: 1; stroke: #1e293b; }

/* =========================
   主题 B：theme-clean（中性卡片风，可选）
   ========================= */
.midi-style.theme-clean midi-player {
  display: block;
  width: 100%;
  margin: 10px 0 0;
}
.midi-style.theme-clean midi-player::part(control-panel) {
  background: #f6f7f9;
  border: 1px solid #e3e6ea;
  border-radius: 12px 12px 0 0;
  padding: 8px 10px;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
}
.midi-style.theme-clean midi-player::part(play-button) {
  color: #1f2937;
  border: 1px solid #d1d5db;
  background-color: #ffffff;
  border-radius: 14px;
  transition: transform .12s ease, background .12s ease;
}
.midi-style.theme-clean midi-player::part(play-button):hover {
  background-color: #f3f4f6;
  transform: translateY(-1px);
}
.midi-style.theme-clean midi-player::part(time) {
  font-variant-numeric: tabular-nums;
  color: #374151;
}

.midi-style.theme-clean midi-visualizer .piano-roll-visualizer,
.midi-style.theme-clean midi-visualizer .staff-visualizer {
  background: #ffffff;
  border: 1px solid #e3e6ea;
  border-top: none;
  border-radius: 0 0 12px 12px;
  margin: 0;
  overflow: auto;
  box-shadow: 0 2px 6px rgba(0,0,0,.04);
}

.midi-style.theme-clean midi-visualizer svg rect.note {
  opacity: .8;
  stroke-width: 1.5;
  stroke: rgba(0,0,0,.25);
}
.midi-style.theme-clean midi-visualizer svg rect.note.active {
  opacity: 1;
  stroke: #111827;
}


.midi-block {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.midi-block midi-player,
.midi-block midi-visualizer {
  display: block;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}