/* 模块预览弹层 + 软件界面 Mock */
.module-preview {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.module-preview.open {
  display: flex;
}
.module-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(8px);
}
.module-preview-dialog {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  max-height: min(90vh, 860px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-radius: 1rem;
  border: 1px solid rgba(6, 182, 212, 0.35);
  background: linear-gradient(180deg, #0b1224 0%, #050816 100%);
  box-shadow: 0 0 48px rgba(6, 182, 212, 0.2), 0 30px 80px rgba(0, 0, 0, 0.55);
}
.module-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(2, 6, 23, 0.7);
}
.module-preview-close {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: #e2e8f0;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.module-preview-close:hover {
  border-color: rgba(6, 182, 212, 0.5);
  color: #67e8f9;
}
.module-preview-body {
  overflow: auto;
  padding: 16px;
}
.module-preview-shot {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: block;
  background: #020617;
}
.app-window {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0a0f1c;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.app-top {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: linear-gradient(90deg, #0b1a2a, #14102a);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  font-size: 11px;
  overflow-x: auto;
}
.app-top .nav-item {
  padding: 5px 9px;
  border-radius: 7px;
  white-space: nowrap;
  color: #64748b;
}
.app-top .nav-item.on {
  color: #e0f2fe;
  background: rgba(6, 182, 212, 0.16);
  border: 1px solid rgba(6, 182, 212, 0.3);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.2);
}
.app-body {
  display: grid;
  grid-template-columns: 168px 1fr;
  min-height: 360px;
}
.app-side {
  background: #070b16;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 8px;
  font-size: 11px;
  color: #64748b;
}
.app-side .g {
  margin: 6px 8px 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #475569;
}
.app-side .item {
  padding: 8px 10px;
  border-radius: 8px;
  margin-bottom: 2px;
  color: #94a3b8;
}
.app-side .item.on {
  color: #e0f2fe;
  background: rgba(6, 182, 212, 0.14);
  border: 1px solid rgba(6, 182, 212, 0.25);
}
.app-main {
  padding: 16px;
  background:
    radial-gradient(500px 180px at 100% 0%, rgba(6, 182, 212, 0.08), transparent 55%),
    #0c1220;
}
.app-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 14px;
}
.app-chip {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 10px;
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: #a5f3fc;
  background: rgba(6, 182, 212, 0.08);
}
.app-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.app-bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #22d3ee, #8b5cf6);
}
@media (max-width: 720px) {
  .app-body { grid-template-columns: 1fr; }
  .app-side { display: none; }
}