/* ===== CSS変数 ===== */
:root {
  --um-color-normal:  #2B7FE8;
  --um-color-warning: #F59E0B;
  --um-color-danger:  #EF4444;
  --um-track-bg:      #E8EDF2;
  --um-text:          #1A2332;
  --um-text-muted:    #5A6A7A;
}

/* ===== デモ用ラッパー ===== */
.um-wrapper {
  max-width: 440px;
  width: 100%;
}

/* ===== 使用量メーター本体 ===== */
.usage-meter {
  background: #fff;
  border-radius: 10px;
  padding: 20px 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid #E8EDF2;
}

.usage-meter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.usage-meter-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--um-text);
}

.usage-meter-percent {
  font-size: 15px;
  font-weight: 700;
  color: var(--um-color-normal);
  transition: color 0.2s ease;
}

.usage-meter-bar-wrap {
  height: 8px;
  background: var(--um-track-bg);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 10px;
}

.usage-meter-bar {
  height: 100%;
  background: var(--um-color-normal);
  border-radius: 99px;
  transition: width 0.2s ease, background 0.2s ease;
}

.usage-meter-detail {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--um-text-muted);
}

/* 警告状態（75〜89%） */
.usage-meter.is-warning .usage-meter-bar     { background: var(--um-color-warning); }
.usage-meter.is-warning .usage-meter-percent { color: var(--um-color-warning); }

/* 危険状態（90%以上） */
.usage-meter.is-danger .usage-meter-bar     { background: var(--um-color-danger); }
.usage-meter.is-danger .usage-meter-percent { color: var(--um-color-danger); }

/* ===== デモ用スライダー ===== */
.usage-slider-wrap {
  margin-top: 20px;
}

.usage-slider-label {
  display: block;
  font-size: 13px;
  color: var(--um-text-muted);
  margin-bottom: 8px;
}

.usage-slider {
  width: 100%;
  cursor: pointer;
}

/* ===== デモコントロール・リセットボタン ===== */
.demo-controls {
  margin-top: 12px;
}

.reset-btn {
  padding: 6px 16px;
  font-size: 13px;
  color: #5A6A7A;
  background: #fff;
  border: 1.5px solid #D0D7E0;
  border-radius: 6px;
  cursor: pointer;
  font-family: sans-serif;
  transition: background 0.15s, border-color 0.15s;
}

.reset-btn:hover {
  background: #F4F6F9;
  border-color: #9AA5B4;
}