/* ============================================================
   Flower Receipt — 鲜花购买小票 UI 样式
   视觉风格：清新简约 · 花艺调性 · 纯白背景
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #fafafa;
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

/* 纯白渐变背景，模拟柔和光照 */
body {
  background: linear-gradient(145deg, #fefefe 0%, #f5f5f7 50%, #f0f0f2 100%);
}

/* Three.js 画布铺满 */
#webgl {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

#webgl:active {
  cursor: grabbing;
}

/* 顶部信息栏 */
#info-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
  pointer-events: none;
}

.info-title {
  font-size: 15px;
  font-weight: 600;
  color: #2d2d2d;
  letter-spacing: 0.5px;
}

.info-hint {
  font-size: 13px;
  color: #8a8a8a;
  letter-spacing: 0.3px;
}