/* Loading/Skeleton trang chủ kiểu Facebook - chỉ bật trên trang chủ khi JS thêm class kc-home-is-loading. */
.kc-home-loader{display:none;}
html.kc-home-is-loading body{overflow:hidden;}
html.kc-home-is-loading .kc-home-loader{position:fixed;inset:0;z-index:2147483000;display:block;background:linear-gradient(180deg,#f6f7f9 0%,#eef1f5 100%);padding:18px 12px;box-sizing:border-box;}
.kc-home-loader__shell{width:min(1200px,100%);height:100%;margin:0 auto;background:#fff;border-radius:18px;box-shadow:0 18px 55px rgba(15,23,42,.16);overflow:hidden;padding:14px;box-sizing:border-box;display:flex;flex-direction:column;gap:14px;}
.kc-home-loader__topbar{height:54px;border-radius:14px;background:#fff;display:flex;align-items:center;gap:14px;padding:0 14px;border:1px solid #eef1f5;}
.kc-home-loader__topbar span{height:18px;border-radius:999px;background:#eef1f5;display:block;}
.kc-home-loader__topbar span:nth-child(1){width:230px}.kc-home-loader__topbar span:nth-child(2){width:150px;margin-left:auto}.kc-home-loader__topbar span:nth-child(3){width:42px}.kc-home-loader__topbar span:nth-child(4){width:42px}
.kc-home-loader__hero{display:grid;grid-template-columns:2fr 1fr;gap:14px;min-height:190px;}
.kc-home-loader__media{border-radius:16px;min-height:190px;}
.kc-home-loader__side{border:1px solid #eef1f5;border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px;}
.kc-home-loader__mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:auto;}
.kc-home-loader__mini-grid div{height:62px;border-radius:14px;}
.kc-home-loader__content{display:grid;grid-template-columns:1.05fr 1.35fr .85fr;gap:14px;min-height:0;flex:1;}
.kc-home-loader__left,.kc-home-loader__middle,.kc-home-loader__right{border:1px solid #eef1f5;border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:12px;min-width:0;}
.kc-card{height:150px;border-radius:14px;}.kc-banner{height:74px;border-radius:14px;}.kc-thumb{width:92px;height:68px;border-radius:12px;flex:0 0 auto;}.kc-line{height:14px;border-radius:999px;}.kc-line--lg{height:22px;width:82%;}.kc-line--short{width:58%;}
.kc-home-loader__news-row{display:flex;gap:12px;align-items:center;}.kc-home-loader__news-text{flex:1;display:flex;flex-direction:column;gap:10px;}
.kc-skeleton{position:relative;overflow:hidden;background:#e9edf3;}
.kc-skeleton::after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.78) 48%,rgba(255,255,255,0) 100%);animation:kcSkeletonShimmer 1.15s infinite;}
.kc-home-loader__caption{text-align:center;color:#667085;font-size:13px;padding-bottom:4px;}
.kc-home-loader.is-hiding{opacity:0;visibility:hidden;transition:opacity .32s ease,visibility .32s ease;}
@keyframes kcSkeletonShimmer{100%{transform:translateX(100%);}}
@media (max-width:900px){.kc-home-loader__shell{border-radius:0;height:100%;}.kc-home-loader__hero,.kc-home-loader__content{grid-template-columns:1fr;}.kc-home-loader__right{display:none}.kc-home-loader__hero{min-height:auto}.kc-home-loader__media{min-height:150px}.kc-home-loader__topbar span:nth-child(1){width:42%}.kc-home-loader__topbar span:nth-child(2){display:none}}
@media (prefers-reduced-motion:reduce){.kc-skeleton::after{animation:none;display:none}.kc-home-loader.is-hiding{transition:none}}