/* ============================================================
   资料页 · 随机漂浮模块
   page/material/material-modules.css
   ============================================================ */

/* 模块层：强制铺满视口，容器本身穿透点击 */
.modules-layer {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 3 !important;     /* 高于 page-main(2)，低于 nav(1000) */
  pointer-events: none !important; /* 容器本身不挡鼠标 */
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
}

.material-module {
  position: absolute;
  width: 150px;
  height: 80px;
  opacity: 0;
  transform: translate(var(--dx, 0px), var(--dy, 30px)) rotate(var(--rot, 0deg)) scale(0.9);
  transition:
    opacity var(--fade-duration, 6s) ease var(--fade-delay, 0s),
    transform var(--drift-duration, 3.5s) cubic-bezier(0.22, 1, 0.36, 1) var(--fade-delay, 0s),
    left 0.6s ease, top 0.6s ease;
  will-change: opacity, transform;
}

.material-module.shown {
  opacity: 1;
  transform: translate(0, 0) rotate(0deg) scale(1);
}

.module-inner {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px var(--button-shadow);
  cursor: pointer;
  /* 关键：父级是 none，子级必须恢复 auto，否则点不动 */
  pointer-events: auto !important; 
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
  will-change: transform;
}

.module-inner:hover {
  border-color: rgba(var(--accent-rgb), 0.45);
}

.module-inner:active {
  transform: scale(0.94);
  box-shadow: 0 4px 12px var(--button-shadow);
}

/* 模块点击后的瞬间淡出：覆盖全站 body 0.45s 的慢速过渡 */
body.page-fading-quick {
  transition: opacity 0.04s ease !important;
}

.module-glyph {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--accent-light), var(--accent-strong));
  opacity: 0.85;
}

@media (max-width: 640px) {
  .material-module { width: 72px; height: 72px; }
  .module-inner { border-radius: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .material-module,
  .module-inner {
    transition: none;
  }
}