:root{
    --color-bg-soft:#F4F7FF;
    --color-bg-muted:#EAF0FF;
    --color-bg:#FFFFFF;
    --color-text:#0F172A;
    --color-text-light:#64748B;
    --color-primary:#1D4ED8;
    --color-primary-dark:#0B3A9A;
    --color-primary-darker:#06224F;
    --color-accent:#F97316;
    --color-success:#16A34A;
    --color-border:#C7D2FE;
    --color-border-soft:#D8E2FF;

    --radius-pill:9999px;
    --radius-lg:10px;
    --radius-sm:6px;

    --space-xs:0.5rem;
    --space-sm:1rem;

    --transition-fast:140ms cubic-bezier(.2,.9,.2,1);
    --transition-base:190ms cubic-bezier(.2,.9,.2,1);
    --transition-slow:260ms cubic-bezier(.2,.9,.2,1);

    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --shadow-xl: none;
}

.author-profile{
    background:#F4F7FF;
}

.author-profile h1{
    color:var(--color-primary-darker);
}

.author-profile img.rounded-circle{
    border:4px solid #FFFFFF;
    box-shadow:none;
    border-radius:9999px;
}

.author-profile .badge.bg-light{
    background:var(--color-bg-muted) !important;
    color:var(--color-text) !important;
    transition:all var(--transition-fast);
    border:1px solid rgba(2,6,23,.08);
}

.author-profile .badge.bg-light:hover{
    background:var(--color-primary) !important;
    color:#FFFFFF !important;
    border-color:var(--color-primary) !important;
}

.author-box{
    border-inline-start:4px solid var(--color-accent);
    transition:all var(--transition-base);
    border-radius:6px;
}

.author-box:hover{
    box-shadow:none;
}

.author-box img{
    transition:transform var(--transition-fast);
}

.author-box:hover img{
    transform:scale(1.05);
}

.author-posts-list .card{
    transition:all var(--transition-base);
    overflow:hidden;
    border:1px solid var(--color-border-soft);
    border-radius:6px;
}

.author-posts-list .card:hover{
    transform:translateY(-5px);
    box-shadow:none;
    border-color:var(--color-primary);
}

.author-posts-list .card-img-top{
    transition:transform var(--transition-slow);
    border-top-left-radius:6px;
    border-top-right-radius:6px;
}

.author-posts-list .card:hover .card-img-top{
    transform:scale(1.05);
}

.main-authors-section{
    background:var(--color-bg-soft);
}

.author-card{
    transition:all var(--transition-base);
    border:1px solid var(--color-border-soft);
    border-radius:6px;
}

.author-card:hover{
    transform:translateY(-8px);
    box-shadow:none;
    border-color:var(--color-primary);
}

.author-card img.rounded-circle{
    border:3px solid var(--color-bg-muted);
    transition:border-color var(--transition-base);
    border-radius:9999px;
}

.author-card:hover img.rounded-circle{
    border-color:var(--color-primary);
}

.faq-section{
    background:#F4F7FF;
    border-radius:6px;
}

.faq-section h2{
    font-size:1.75rem;
    color:var(--color-primary-darker);
}

.faq-list .faq-item{
    border:1px solid rgba(15,23,42,.12);
    transition:all var(--transition-base);
    cursor:pointer;
    border-radius:6px;
    background:#FFFFFF;
}

.faq-list .faq-item:hover{
    box-shadow:none !important;
    transform:translateY(-2px);
    border-color:rgba(29,78,216,.55);
}

.faq-list .faq-item[open]{
    border-color:rgba(29,78,216,.55);
    background:#EEF5FF;
}

.faq-list .faq-item summary{
    list-style:none;
    cursor:pointer;
    font-size:1.05rem;
    line-height:1.6;
    padding-inline-end:2rem;
    position:relative;
    user-select:none;
}

.faq-list .faq-item summary::-webkit-details-marker{
    display:none;
}

.faq-list .faq-item summary::marker{
    content:'';
}

.faq-list .faq-item summary::after{
    content:'+';
    position:absolute;
    inset-inline-end:0.25rem;
    inset-block-start:50%;
    transform:translateY(-50%);
    font-size:1.5rem;
    font-weight:300;
    color:var(--color-primary);
    transition:transform var(--transition-base);
    line-height:1;
}

.faq-list .faq-item[open] summary::after{
    content:'−';
    transform:translateY(-50%) rotate(180deg);
}

.faq-list .faq-q-num{
    font-weight:700;
    font-size:0.95rem;
    color:var(--color-primary);
}

.faq-list .faq-answer{
    font-size:0.95rem;
    line-height:1.8;
    animation:faqFadeIn var(--transition-base);
    opacity:1;
}

@keyframes faqFadeIn{
    from{
        opacity:0;
        transform:translateY(-3px);
    }
    to{
        opacity:1;
        transform:translateY(0);
    }
}

.sidebar-widgets .card{
    transition:all var(--transition-base);
    border-radius:6px;
    border:1px solid var(--color-border-soft);
}

.sidebar-widgets .card:hover{
    box-shadow:none;
    border-color:var(--color-primary);
}

.sidebar-widgets h5{
    color:var(--color-primary-darker);
}

.sidebar-widgets .badge{
    transition:all var(--transition-fast);
    cursor:pointer;
    border-radius:6px;
    border:1px solid rgba(2,6,23,.12);
}

.sidebar-widgets .badge:hover{
    background-color:var(--color-primary) !important;
    color:#FFFFFF !important;
    border-color:var(--color-primary) !important;
    transform:translateY(-1px);
}

.sidebar-widgets ul li:last-child{
    border-bottom:0 !important;
    padding-bottom:0 !important;
    margin-bottom:0 !important;
}

.sidebar-widgets ul li a:hover .small{
    color:var(--color-primary) !important;
}

.pagination .page-link{
    color:var(--color-primary);
    border-color:var(--color-border);
    transition:all var(--transition-fast);
    border-radius:6px;
    outline:none;
}

.pagination .page-link:hover{
    background-color:var(--color-bg-muted);
    color:var(--color-primary-dark);
    border-color:var(--color-primary);
}

.pagination .page-item.active .page-link{
    background-color:var(--color-primary);
    border-color:var(--color-primary);
    color:#FFFFFF;
}

.pagination .page-item.disabled .page-link{
    color:var(--color-text-light);
    background-color:#F8FAFF;
    border-color:rgba(148,163,184,.45);
}

.search-box-section{
    background:var(--color-bg-soft);
    border-radius:6px;
}

.search-box-section .input-group-lg .form-control{
    border-radius:var(--radius-pill) 0 0 var(--radius-pill);
    padding-inline-start:1.5rem;
    border-color:var(--color-border-soft);
    background:#FFFFFF;
    color:var(--color-text);
    outline-color:var(--color-primary);
}

.search-box-section .input-group-lg .btn{
    border-radius:0 var(--radius-pill) var(--radius-pill) 0;
    background:var(--color-primary);
    border-color:var(--color-primary);
    color:#FFFFFF;
}

.search-box-section .badge{
    transition:all var(--transition-fast);
    border-radius:6px;
    border:1px solid rgba(2,6,23,.12);
}

.search-box-section .badge:hover{
    background-color:var(--color-primary) !important;
    color:#fff !important;
    border-color:var(--color-primary) !important;
}

.search-results-section{
    background:var(--color-bg);
}

.search-result{
    transition:all var(--transition-base);
    border-radius:6px;
}

.search-result:hover{
    transform:translateX(3px);
    box-shadow:none;
    outline:1px solid rgba(29,78,216,.35);
    outline-offset:0;
}

.search-result h2 a:hover{
    color:var(--color-primary) !important;
}

.search-result mark{
    background-color:#FEF3C7;
    color:#111827;
    padding-inline:2px;
    border-radius:2px;
    font-weight:600;
}

.error-page h1{
    background:#1D4ED8;
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    color:transparent;
    line-height:1;
    text-shadow:none;
    filter:saturate(1.1);
}

.recommended-links .badge{
    transition:all var(--transition-fast);
    border:1px solid var(--color-border);
    border-radius:6px;
    background:#FFFFFF;
    color:var(--color-primary);
}

.recommended-links .badge:hover{
    background-color:var(--color-primary) !important;
    color:#fff !important;
    border-color:var(--color-primary) !important;
    transform:translateY(-2px);
    box-shadow:none;
}

.recommended-links .badge:hover .text-warning{
    color:var(--color-accent) !important;
}

.legal-article-section,
main:has(> .container > article.bg-white){
    background:var(--color-bg-soft);
}

article :is(h2.h4){
    color:var(--color-primary-dark);
    border-bottom:2px solid var(--color-border);
    padding-bottom:var(--space-xs);
    margin-bottom:var(--space-sm);
}

article .alert-info{
    background-color:#E6F0FF;
    border-color:#BFD6FF;
    color:var(--color-primary-dark);
    border-radius:6px;
}

article .list-group-item{
    background:transparent;
    transition:all var(--transition-fast);
    border:1px solid rgba(2,6,23,.08);
    border-radius:6px;
}

article .list-group-item:hover{
    background:var(--color-bg-soft);
    padding-inline-start:var(--space-sm);
    border-color:rgba(29,78,216,.35);
}

.posts-grid{
    /* Container nếu cần */
}

.posts-grid .card{
    transition:all var(--transition-base);
    border:1px solid var(--color-border-soft);
    overflow:hidden;
    border-radius:6px;
    background:#FFFFFF;
}

.posts-grid .card:hover{
    transform:translateY(-5px);
    box-shadow:none;
    border-color:var(--color-primary);
}

.posts-grid .card-img-top{
    transition:transform var(--transition-slow);
    border-top-left-radius:6px;
    border-top-right-radius:6px;
}

.posts-grid .card:hover .card-img-top{
    transform:scale(1.05);
}

.posts-grid .card-title a{
    transition:color var(--transition-fast);
}

.posts-grid .card-title a:hover{
    color:var(--color-primary) !important;
}

.related-posts h3{
    border-bottom:3px solid var(--color-accent);
    padding-bottom:var(--space-xs);
    display:inline-block;
    color:var(--color-primary-darker);
}

.related-card{
    transition:all var(--transition-base);
    border-radius:6px;
}

.related-card:hover{
    transform:translateY(-5px);
    box-shadow:none;
    outline:1px solid rgba(29,78,216,.35);
    outline-offset:0;
}

.related-card img{
    transition:transform var(--transition-slow);
}

.related-card:hover img{
    transform:scale(1.05);
}

.social-share .btn{
    min-width:40px;
    transition:all var(--transition-fast);
    border-radius:6px;
    border:1px solid rgba(2,6,23,.12);
    background:#FFFFFF;
    color:var(--color-primary);
}

.social-share .btn:hover{
    transform:translateY(-2px);
    box-shadow:none;
    border-color:var(--color-primary);
    background:var(--color-bg-muted);
}

.social-share [data-copy-url].copied{
    background-color:var(--color-success);
    color:#fff;

    border-color:var(--color-success);
    opacity:1;
}

.accordion-button:not(.collapsed){
    background-color:#EEF5FF;
    color:var(--color-primary-dark);
    box-shadow:none;
    border-radius:6px;
    border:1px solid rgba(29,78,216,.25);
}

.accordion-button:focus{
    box-shadow:none;
    outline:2px solid rgba(29,78,216,.25);
    outline-offset:2px;
}

.modal-content{
    border:none;
    border-radius:10px;
    box-shadow:none;
    background:#FFFFFF;
    border:1px solid rgba(2,6,23,.10);
}

.tooltip-inner{
    background-color:var(--color-primary-darker);
    border-radius:6px;
    font-size:0.85rem;
    border:1px solid rgba(255,255,255,.12);
}

@media (max-width:767.98px){
    .faq-section h2{
        font-size:1.4rem;
    }

    .faq-list .faq-item summary{
        font-size:0.95rem;
        padding-inline-end:1.5rem;
    }

    .faq-list .faq-answer{
        font-size:0.88rem;
    }

    .author-profile h1{
        font-size:1.5rem;
    }

    .author-profile .col-md-3 img{
        width:120px !important;
        height:120px !important;
    }

    .error-page h1{
        font-size:5rem !important;
    }

    .search-box-section .input-group-lg .form-control,
    .search-box-section .input-group-lg .btn{
        font-size:1rem;
    }
}

@media (max-width:575.98px){
    .related-posts .row > [class*="col-"]{
        margin-bottom:var(--space-sm);
    }

    .pagination .page-link{
        padding:0.4rem 0.7rem;
        font-size:0.9rem;
        border-radius:6px;
    }
}