/* ---- 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（旧 demo 风）
   ========================= */
.midi-style.theme-yellow midi-player {
  display: block;
  width: 100%;
  margin: 4px 0 0;
}
.midi-style.theme-yellow midi-player::part(control-panel) {
  background: #fffb99;         /* 更柔和的黄，避免太刺眼 */
  border: 2px solid #000;
  border-radius: 10px 10px 0 0;
  padding: 6px 8px;
}
.midi-style.theme-yellow midi-player::part(play-button) {
  color: #2e5e2e;
  border: 2px solid currentColor;
  background-color: #54d654;
  border-radius: 18px;
  transition: all .18s ease;
}
.midi-style.theme-yellow midi-player::part(play-button):hover {
  color: #0a7a0a;
  background-color: #60eb60;
  border-radius: 10px;
}
.midi-style.theme-yellow midi-player::part(time) {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-weight: 600;
}

/* 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: #fff8cc;
  border: 2px solid #000;
  border-top: none;
  border-radius: 0 0 10px 10px;
  margin: 0 0 4px;
  overflow: auto;
}

/* 音符样式（piano-roll） */
.midi-style.theme-yellow midi-visualizer svg rect.note {
  opacity: .7;
  stroke-width: 2;
}
.midi-style.theme-yellow midi-visualizer svg rect.note[data-instrument="0"] { fill: #e33; stroke: #500; }
.midi-style.theme-yellow midi-visualizer svg rect.note[data-instrument="2"] { fill: #2ee; stroke: #055; }
.midi-style.theme-yellow midi-visualizer svg rect.note[data-is-drum="true"] { fill: #888; stroke: #888; }
.midi-style.theme-yellow midi-visualizer svg rect.note.active { opacity: .95; stroke: #000; }

/* =========================
   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;
}