/**
 * コントロール（ボタン、入力）
 */

.controls-wrapper {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.controls {
  text-align: center;
  background: var(--color-controls-bg);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  padding: 20px 10px 10px 10px;
  border: 1.5px solid var(--color-border-light);
  flex: 1;
  min-width: 300px;
  max-width: 500px;
}

.controls button,
.controls input[type="file"] {
  background: linear-gradient(90deg, var(--color-button-bg-start) 0%, var(--color-button-bg-end) 100%);
  color: #222;
  border: 2px solid var(--color-button-border);
  border-radius: 6px;
  padding: 10px 20px;
  font-size: var(--font-size);
  font-weight: bold;
  margin: 0 5px 10px 5px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.1s, border-color 0.2s;
  outline: none;
  vertical-align: middle;
}

.controls button:hover,
.controls input[type="file"]:hover {
  background: linear-gradient(90deg, var(--color-button-hover-start) 0%, var(--color-button-hover-end) 100%);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px) scale(1.03);
}

.controls button:active,
.controls input[type="file"]:active {
  background: linear-gradient(90deg, var(--color-button-active-start) 0%, var(--color-button-active-end) 100%);
  border-color: var(--color-border-hover);
  transform: translateY(1px) scale(0.98);
}