.menu-toggle-btn{display:none}@media (max-width: 767.98px){.menu-toggle-btn{display:inline-block!important}}.title-to{background:linear-gradient(to left,#ff3333,#1a3dff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;transition:all .8s ease;text-align:center}.title-settings{background:linear-gradient(to left,#ff3333,#1a3dff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;transition:all .8s ease;text-align:center;font-size:25px;margin:20px 10px;font-weight:700}.btn-bam{color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;background:linear-gradient(to right,#d633ff,#6f6eff);transform:scale(1.05)}.animated-gradient-text{position:relative;margin:0 auto;display:flex;max-width:fit-content;flex-direction:row;align-items:center;justify-content:center;border-radius:1.25rem;font-weight:500;backdrop-filter:blur(10px);transition:box-shadow .5s ease-out;overflow:hidden;cursor:pointer}.gradient-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-size:300% 100%;animation:gradient linear infinite;border-radius:inherit;z-index:0;pointer-events:none}.gradient-overlay:before{content:"";position:absolute;left:0;top:0;border-radius:inherit;width:calc(100% - 2px);height:calc(100% - 2px);left:50%;top:50%;transform:translate(-50%,-50%);background-color:#060606;z-index:-1}@keyframes gradient{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.text-content{display:inline-block;position:relative;z-index:2;background-size:300% 100%;background-clip:text;-webkit-background-clip:text;color:transparent;animation:gradient linear infinite}.title-tieu-de{background:linear-gradient(to left,#f700ff,#ff7300);-webkit-background-clip:text;-webkit-text-fill-color:transparent;transition:all .8s ease;text-align:center;padding:20px}.bv-admin{padding:30px;background-color:#fff;border-radius:15px}.bv-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}.bv-sub{color:#6b7280;margin-top:4px}.bv-card{border-radius:16px!important;overflow:hidden;box-shadow:0 8px 24px #0000000f;transition:transform .2s ease,box-shadow .25s ease}.bv-card:hover{transform:translateY(-6px);box-shadow:0 14px 36px #0000001f}.bv-cover{width:100%;aspect-ratio:16/9;background:#f5f5f5;overflow:hidden}.bv-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}.bv-card:hover .bv-cover img{transform:scale(1.04)}.bv-title{margin:8px 0 4px!important;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.bv-excerpt{color:#6b7280!important;margin-bottom:12px!important;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.bv-actions{display:flex;align-items:center;justify-content:space-between}.bv-fab{position:fixed;right:20px;bottom:20px;z-index:20;box-shadow:0 10px 30px #1890ff59}@media (max-width: 575.98px){.bv-admin{padding:16px}}.create-post-modal .ant-modal-body{padding-top:12px}.create-post-modal{margin-top:-20px}.create-post-modal .ck-label{margin-bottom:8px}.create-post-modal .editor-wrap{background:#fff;border:1px solid #eaeaea;border-radius:10px;padding:6px 10px}.create-post-modal .ck-editor__editable{min-height:260px}.create-post-modal .cover-dragger{border-radius:12px;background:#fafafa}.create-post-modal .cover-dragger .ant-upload{padding:8px}.create-post-modal .drag-inner{padding:12px 6px}.create-post-modal .ant-upload-list-picture-card-container{width:100%;height:auto}.create-post-modal .ant-upload-list-item{border-radius:10px}.create-post-modal .footer-help{margin-top:6px}@media (max-width: 768px){.create-post-modal .ck-editor__editable{min-height:220px}}.de-thi-container{display:flex;flex-direction:column;padding:20px;background-color:#fff;border-radius:10px;box-shadow:0 2px 4px #0000001a}.de-thi-card:hover{transform:scale(1.05);transition:transform .5s ease}.de-thi-card{display:flex;flex-direction:column;padding:20px;margin-bottom:20px;background-color:#f9f9f9;border-radius:10px;box-shadow:0 2px 4px #0000001a}.txt-ten{background:linear-gradient(to left,#ff3333,#1a3dff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;transition:all .8s ease}.notification-dropdown{width:360px;max-height:420px;overflow-y:auto;background:linear-gradient(145deg,#ffffff,#f9f9ff);box-shadow:0 6px 20px #00000026;border-radius:12px;padding:12px}.notification-item{padding:14px 10px;border-bottom:1px solid #f0f0f0;border-radius:8px;transition:all .25s ease-in-out;cursor:pointer}.notification-item:hover{background:linear-gradient(90deg,#f0f5ff,#e6f7ff);transform:translate(4px)}.notification-title{font-weight:600;font-size:15px;color:#1f1f1f}.notification-desc{color:#595959;font-size:13px}.ant-badge-count{background:linear-gradient(135deg,#ff4d4f,#ff7a45)!important;box-shadow:0 2px 8px #ff4d4f66}.notification-bell{font-size:22px;color:#444;transition:color .2s ease}.notification-bell:hover{color:#ff4d4f}