/* 基本スタイルは/_common_/style_common.cssから継承 */

body {
  margin: 0;
  padding: 20px;
  background: #2b2b2b;
  color: #e6e6e6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Courier New", monospace;
}

.app {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
  background: linear-gradient(180deg, #2e3440 0%, #333842 100%);
  border: 1px solid #454b56;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
}

h1 {
  text-align: center;
  margin: 0 0 24px;
  color: #e6e6e6;
  font-weight: 600;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.control-group label {
  color: #e6e6e6;
  font-size: 14px;
  white-space: nowrap;
}

input[type="range"] {
  flex: 1;
  min-width: 150px;
  accent-color: #8ab4f8;
}

input[type="radio"] {
  accent-color: #8ab4f8;
  margin-right: 4px;
}

button {
  border: 1px solid #454b56;
  background: #262a33;
  color: #e6e6e6;
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease, transform 80ms ease;
}

button:hover {
  border-color: #8ab4f8;
  color: #8ab4f8;
}

button:active {
  transform: translateY(1px);
}

#waveCanvas {
  display: block;
  margin: 0 auto;
  border: 1px solid #454b56;
  border-radius: 8px;
  background: #1e1e1e;
  max-width: 100%;
}

.note {
  margin-top: 20px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid #8ab4f8;
  border-radius: 4px;
  color: #9aa0a6;
  font-size: 13px;
  line-height: 1.6;
}

.note strong {
  color: #e6e6e6;
}