.hero-ideas {
    background:linear-gradient(160deg,var(--g9),var(--g7) 55%,var(--g6));
    color:var(--w);
    padding:30px 0;
    position:relative;
    overflow:hidden;
}

.hero-inner {
    max-width:1300px;
    margin:0 auto;
    padding:0 32px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    position:relative;
    z-index:2;
}

.hero-ideas h1 {
    font-size:32px;
    font-weight:800;
    font-style:italic;
    margin-bottom:4px;
    margin-top: 0;
}

.hero-ideas .sub {
    font-size:13px;
    opacity:.65;
    font-style:italic;
}

.hero-right {
    display:flex;
    align-items:center;
    gap:20px;
}

.hero-illust {
    width:90px;
    height:90px;
    border-radius:50%;
    background:rgba(255,255,255,.12);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:48px;
    color:var(--gold);
}

.btn-post {
    display:flex;
    align-items:center;
    gap:6px;
    padding:12px 24px;
    background:var(--w);
    color:var(--g7);
    border:none;
    border-radius:10px;
    font-size:14px;
    font-weight:700;
    cursor:pointer;
    font-family:inherit;
    box-shadow:0 2px 8px rgba(0,0,0,.15);
    transition:.2s;
}

.btn-post:hover {
    background:var(--g50);
    transform:translateY(-1px);
}

.btn-post i {
    font-size:18px;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.idea-card {
    background:var(--w);
    border:1px solid #eee;
    border-radius:12px;
    overflow:hidden;
    transition:.2s;
    display:flex;
    flex-direction:column;
}

.idea-card:hover {
    border-color:var(--g4);
    box-shadow:0 4px 16px rgba(0,0,0,.08);
    transform:translateY(-2px);
}

.idea-thumb {
    height:150px;
    background:linear-gradient(135deg,#2d5a3e,#1a4a2e);
    position:relative;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
}

.idea-thumb .thumb-icon {
    font-size:40px;
    color:rgba(255,255,255,.2);
}

.idea-thumb img {
    width:100%;
    height:100%;
    object-fit:cover;
}

.idea-badge {
    position:absolute;
    top:8px;
    left:8px;
    padding:3px 10px;
    border-radius:8px;
    background:#e3f2fd;
    color:#1565c0;
    font-size:10px;
    font-weight:600;
}

.idea-body {
    padding:14px;
    flex:1;
    display:flex;
    flex-direction:column;
}

.idea-title {
    font-size:14px;
    font-weight:700;
    color:var(--g900);
    margin-bottom:6px;
    line-height:1.4;
}

.idea-desc {
    font-size:11.5px;
    color:var(--g600);
    line-height:1.6;
    margin-bottom:10px;
    flex:1;
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
}

.idea-cat-tag {
    display:inline-flex;
    padding:3px 10px;
    border-radius:8px;
    font-size:10.5px;
    font-weight:500;
    background:var(--f5);
    color:var(--g700);
    border:1px solid #eee;
    margin-bottom:10px;
    width:fit-content;
}

.idea-author {
    display:flex;
    align-items:center;
    gap:8px;
    padding-top:10px;
    border-top:1px solid #f5f5f5;
}

.idea-avatar {
    width:28px;
    height:28px;
    border-radius:50%;
    background:var(--g7);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--w);
    font-size:10px;
    font-weight:600;
    flex-shrink:0;
}

.idea-author-info {
    flex:1;
    min-width:0;
}

.idea-author-info .name {
    font-size:11.5px;
    font-weight:600;
    color:var(--g800);
}

.idea-author-info .time {
    font-size:10px;
    color:var(--g500);
}

.idea-stats {
    display:flex;
    align-items:center;
    gap:6px;
    font-size:10.5px;
    color:var(--g500);
    white-space:nowrap;
}

.idea-stats i {
    font-size:12px;
}

.idea-stats .star {
    color:var(--gold);
}

.idea-stats .views {
    display:flex;
    align-items:center;
    gap:2px;
}

.idea-actions {
    display:flex;
    border-top:1px solid #f5f5f5;
}

.idea-actions button {
    flex:1;
    padding:8px;
    border:none;
    background:var(--w);
    display:flex;
    align-items:center;
    justify-content:center;
    gap:4px;
    font-size:11px;
    color:var(--g600);
    cursor:pointer;
    font-family:inherit;
    transition:.15s;
}

.idea-actions button:hover {
    background:var(--g50);
    color:var(--g7);
}

.idea-actions button+button {
    border-left:1px solid #f5f5f5;
}

.idea-actions button i {
    font-size:15px;
}

.idea-list-item {
    display:flex;
    gap:16px;
    background:var(--w);
    border:1px solid #eee;
    border-radius:12px;
    padding:16px;
    transition:.2s;
}

.idea-list-item:hover {
    border-color:var(--g4);
    box-shadow:0 2px 12px rgba(0,0,0,.06);
}

.idea-list-item+.idea-list-item {
    margin-top:12px;
}

.list-thumb {
    width: 200px;
    height: 150px;
    border-radius:8px;
    background:linear-gradient(135deg,#37474f,#263238);
    flex-shrink:0;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
}

.list-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
}

.list-thumb .thumb-icon {
    font-size:28px;
    color:rgba(255,255,255,.2);
}

.list-body {
    flex:1;
    min-width:0;
    display:flex;
    flex-direction:column;
}

.list-body .idea-title {
    font-size:15px;
    margin-bottom:4px;
}

.list-body .idea-desc {
    font-size:12px;
    margin-bottom:8px;
    -webkit-line-clamp:2;
}

.list-tags {
    display:flex;
    gap:5px;
    margin-bottom:8px;
}

.list-author-row {
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-top:auto;
}

.list-right {
    display:flex;
    align-items:center;
    gap:16px;
}

.list-action {
    display:flex;
    align-items:center;
    gap:5px;
    font-size:12.5px;
    color:var(--g600);
    cursor:pointer;
    transition:.15s;
}

.list-action:hover {
    color:var(--g7);
}

.list-action i {
    font-size:17px;
}

.list-action.upvoted {
    color:var(--g7);
    font-weight:600;
}

.article {
    background:var(--w);
    border:1px solid #eee;
    border-radius:14px;
    padding:24px;
}

.art-title {
    font-size:24px;
    font-weight:800;
    color:var(--g900);
    line-height:1.35;
    margin-bottom:12px;
    margin-top: 0;
}

.art-badges {
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    margin-bottom:14px;
}

.badge {
    display:inline-flex;
    align-items:center;
    gap:4px;
    padding:4px 11px;
    border-radius:8px;
    font-size:10.5px;
    font-weight:600;
}

.badge.hot {
    background:#fff3e0;
    color:#e65100;
}

.badge.cat {
    background:var(--g50);
    color:var(--g7);
}

.meta-date {
    display:flex;
    align-items:center;
    gap:4px;
    font-size:11.5px;
    color:var(--g500);
}

.meta-date i {
    font-size:13px;
}

.art-author {
    display:flex;
    align-items:center;
    gap:10px;
    padding-bottom:16px;
    border-bottom:1px solid #f0f0f0;
    margin-bottom:16px;
}

.au-avatar {
    width:40px;
    height:40px;
    border-radius:50%;
    background:var(--g7);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--w);
    font-size:13px;
    font-weight:600;
    flex-shrink:0;
}

.au-info {
    flex:1;
}

.au-name {
    font-size:13.5px;
    font-weight:700;
    color:var(--g900);
}

.au-tier {
    font-size:11px;
    color:var(--g600);
    display:flex;
    align-items:center;
    gap:3px;
}

.au-tier i {
    font-size:12px;
    color:#00695c;
}

.au-stats {
    display:flex;
    align-items:center;
    gap:16px;
    font-size:12.5px;
    color:var(--g600);
}

.au-stats .rating {
    display:flex;
    align-items:center;
    gap:4px;
    font-weight:700;
    color:var(--gold);
}

.au-stats .rating i {
    font-size:15px;
}

.au-stats .rating .cnt {
    color:var(--g600);
    font-weight:400;
    font-size:11.5px;
}

.au-stats .views {
    display:flex;
    align-items:center;
    gap:4px;
}

.au-stats .views i {
    font-size:15px;
    color:var(--g500);
}

/* Hero image */

.art-hero {
    border-radius:12px;
    overflow:hidden;
    height:280px;
    background:linear-gradient(135deg,#0a2818,#1a5c2e 40%,#0f3d1e);
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:12px;
}

.art-hero::before {
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(circle at 50% 45%,rgba(45,154,78,.35) 0%,transparent 60%);
}

.hero-net {
    position:relative;
    z-index:2;
    width:340px;
    height:200px;
}

/* Thumbnails */

.art-thumbs {
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:10px;
    margin-bottom:20px;
}

.thumb {
    height:100px;
    border-radius:8px;
    overflow:hidden;
    cursor:pointer;
    transition:.15s;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    border:2px solid transparent;
}

.thumb:hover {
    border-color:var(--g4);
}

.thumb i {
    font-size:22px;
    color:rgba(255,255,255,.4);
}

.thumb.more {
    background:#37474f;
    color:var(--w);
    font-size:18px;
    font-weight:700;
    display:flex;
    align-items:center;
    justify-content:center;
}

.art-tabs {
    display:flex;
    border-bottom:2px solid #f0f0f0;
    margin-bottom:18px;
    gap:0;
}

.art-tab {
    padding:11px 18px;
    font-size:12.5px;
    font-weight:600;
    color:var(--g600);
    cursor:pointer;
    border-bottom:2.5px solid transparent;
    margin-bottom:-2px;
    transition:.2s;
    white-space:nowrap;
}

.art-tab:hover {
    color:var(--g7);
}

.art-tab.active {
    color:var(--g7);
    border-bottom-color:var(--g7);
}

.art-body {
    display:grid;
    grid-template-columns:1fr 190px;
    gap:20px;
}

.art-text {
    font-size:13px;
    color:var(--g700);
    line-height:1.75;
    margin-bottom:16px;
}

.art-sub {
    font-size:13px;
    font-weight:600;
    color:var(--g900);
    margin-bottom:8px;
}

.benefit-list {
    display:flex;
    flex-direction:column;
    gap:7px;
    margin-bottom:18px;
}

.benefit-item {
    display:flex;
    align-items:flex-start;
    gap:7px;
    font-size:12.5px;
    color:var(--g700);
    line-height:1.6;
}

.benefit-item i {
    font-size:15px;
    color:var(--g4);
    margin-top:1px;
    flex-shrink:0;
}

/* Info rows */

.info-rows {
    display:flex;
    flex-direction:column;
    gap:9px;
    padding-top:14px;
    border-top:1px solid #f0f0f0;
}

.info-row {
    display:flex;
    align-items:flex-start;
    gap:8px;
    font-size:12.5px;
}

.info-row i {
    font-size:14px;
    color:var(--g500);
    margin-top:2px;
    flex-shrink:0;
}

.info-row .ir-label {
    color:var(--g500);
    min-width:110px;
    flex-shrink:0;
}

.info-row .ir-value {
    font-weight:600;
    color:var(--g800);
}

/* Stats sidebar (inside article) */

.stats-side {
    display:flex;
    flex-direction:column;
    gap:0;
    padding:14px;
    background:var(--f5);
    border-radius:10px;
    height:fit-content;
}

.stat-blk {
    display:flex;
    align-items:center;
    gap:9px;
    padding:9px 0;
    border-bottom:1px solid #eee;
}

.stat-blk:last-of-type {
    border-bottom:none;
}

.stat-blk i {
    font-size:19px;
    color:var(--g600);
    flex-shrink:0;
}

.stat-blk .sb-num {
    font-size:15px;
    font-weight:700;
    color:var(--g900);
    line-height:1.2;
}

.stat-blk .sb-lbl {
    font-size:10px;
    color:var(--g500);
}

.btn-support {
    width:100%;
    padding:9px;
    background:var(--g7);
    color:var(--w);
    border:none;
    border-radius:8px;
    font-size:12px;
    font-weight:600;
    cursor:pointer;
    font-family:inherit;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:5px;
    margin-top:12px;
    transition:.2s;
}

.btn-support:hover {
    background:var(--g8);
}

.btn-support i {
    font-size:15px;
}

.share-lbl {
    font-size:11px;
    color:var(--g600);
    margin:12px 0 8px;
    display:flex;
    align-items:center;
    gap:5px;
    justify-content:center;
}

.share-lbl i {
    font-size:14px;
}

.share-btns {
    display:flex;
    gap:6px;
    justify-content:center;
}

.share-btns button {
    width:32px;
    height:32px;
    border-radius:50%;
    border:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--w);
    font-size:15px;
    transition:.15s;
}

.share-btns button:hover {
    opacity:.85;
    transform:translateY(-1px);
}

.sh-fb {
    background:#1877f2;
}

.sh-li {
    background:#0a66c2;
}

.sh-link {
    background:var(--g600);
}



.related-item {
    display:flex;
    gap:9px;
    padding:11px 16px;
    border-bottom:1px solid #f8f8f8;
    cursor:pointer;
    transition:.15s;
}

.related-item:hover {
    background:var(--f5);
}

.related-item:last-child {
    border-bottom:none;
}

.rel-thumb {
    position: relative;
    width:44px;
    height:44px;
    border-radius:8px;
    flex-shrink:0;
    display:flex;
    align-items:center;
    justify-content:center;
    color:rgba(255,255,255,.5);
    font-size:17px;
    overflow: hidden;
}

.rel-thumb a{
    height: 100%;
    width: 100%;
}

.rel-thumb img{
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.rel-info {
    flex:1;
    min-width:0;
}

.rel-title {
    font-size:11.5px;
    font-weight:600;
    color:var(--g900);
    line-height:1.4;
    margin-bottom:2px;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}

.rel-meta {
    font-size:10px;
    color:var(--g500);
    display:flex;
    align-items:center;
    gap:6px;
}

.rel-meta .r {
    display:flex;
    align-items:center;
    gap:2px;
    color:var(--gold);
    font-weight:600;
}

.rel-meta i {
    font-size:11px;
}

.author-box-body {
    padding:16px;
    text-align:center;
}

.ab-avatar {
    width:56px;
    height:56px;
    border-radius:50%;
    background:var(--g7);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--w);
    font-size:18px;
    font-weight:700;
    margin:0 auto 10px;
}

.ab-name {
    font-size:14px;
    font-weight:700;
    color:var(--g900);
    margin-bottom:2px;
}

.ab-tier {
    display:inline-flex;
    align-items:center;
    gap:4px;
    padding:3px 10px;
    border-radius:10px;
    font-size:10px;
    font-weight:600;
    background:#e0f2f1;
    color:#00695c;
    margin-bottom:10px;
}

.ab-stats {
    display:flex;
    justify-content:center;
    gap:0;
    padding-top:10px;
    border-top:1px solid #f0f0f0;
}

.ab-stat {
    flex:1;
    position:relative;
}

.ab-stat+.ab-stat::before {
    content:'';
    position:absolute;
    left:0;
    top:2px;
    bottom:2px;
    width:1px;
    background:#eee;
}

.ab-stat .num {
    font-size:15px;
    font-weight:700;
    color:var(--g7);
}

.ab-stat .lbl {
    font-size:9.5px;
    color:var(--g500);
}

.btn-follow {
    width:100%;
    padding:8px;
    background:var(--w);
    color:var(--g7);
    border:1.5px solid var(--g7);
    border-radius:8px;
    font-size:12px;
    font-weight:600;
    cursor:pointer;
    font-family:inherit;
    margin-top:12px;
    transition:.15s;
}

.btn-follow:hover {
    background:var(--g50);
}

.btn-follow.following {
    background:var(--g7);
    color:var(--w);
}

.btn-follow.following:hover {
    background:#000;
}

@media(max-width:1000px) {
    .main {
        grid-template-columns:1fr;
    }
    .art-body {
        grid-template-columns:1fr;
    }
}

@media(max-width:768px) {
    .main-nav {
        display:none;
    }
    .header-inner,
    .bc-inner,
    .main {
        padding-left:16px;
        padding-right:16px;
    }
    .art-thumbs {
        grid-template-columns:repeat(2,1fr);
    }
    .art-tabs {
        overflow-x:auto;
        scrollbar-width:none;
    }
}

.top-list {
    padding:4px 0;
}

.top-item {
    display:flex;
    align-items:flex-start;
    gap:10px;
    padding:10px 18px;
    border-bottom:1px solid #f8f8f8;
    transition:.15s;
    cursor:pointer;
}

.top-item:hover {
    background:var(--f5);
}

.top-item:last-child {
    border-bottom:none;
}

.top-rank {
    width:28px;
    height:28px;
    border-radius:8px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:14px;
    font-weight:800;
    flex-shrink:0;
}

.rank-1 {
    background:linear-gradient(135deg,#fff8e1,#ffecb3);
    color:#f57f17;
}

.rank-2 {
    background:linear-gradient(135deg,#f5f5f5,#e0e0e0);
    color:#546e7a;
}

.rank-3 {
    background:linear-gradient(135deg,#fff3e0,#ffe0b2);
    color:#e65100;
}

.rank-4,
.rank-5 {
    background:var(--f5);
    color:var(--g600);
}

.top-info {
    flex:1;
    min-width:0;
}

.top-info .ti-title {
    font-size:12.5px;
    font-weight:600;
    color:var(--g900);
    margin-bottom:1px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}

.top-info .ti-author {
    font-size:11px;
    color:var(--g500);
}

.top-rating {
    display:flex;
    align-items:center;
    gap:3px;
    font-size:12px;
    font-weight:600;
    color:var(--gold);
    flex-shrink:0;
    margin-top:2px;
}

.top-rating i {
    font-size:13px;
}

.top-sidebar-footer {
    padding:10px 18px;
    border-top:1px solid #eee;
}

.top-sidebar-footer a {
    display: block;
    width:100%;
    padding:9px;
    background:var(--w);
    border:1.5px solid var(--e0);
    border-radius:8px;
    font-size:12px;
    font-weight:500;
    color:var(--g700);
    cursor:pointer;
    font-family:inherit;
    text-align: center;
    transition:.15s;
}

.top-sidebar-footer a:hover {
    border-color:var(--g7);
    color:var(--g7);
}

/* ACTIVITY SIDEBAR */

.activity-box {
    background:var(--w);
    border:1px solid #eee;
    border-radius:12px;
    overflow:hidden;
}

.activity-box .top-sidebar-head {
    font-size:13px;
}

.activity-item {
    display:flex;
    gap:10px;
    padding:12px 18px;
    border-bottom:1px solid #f8f8f8;
}

.activity-item:last-child {
    border-bottom:none;
}

.activity-avatar {
    width:32px;
    height:32px;
    border-radius:50%;
    background:var(--g7);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--w);
    font-size:11px;
    font-weight:600;
    flex-shrink:0;
}

.activity-text {
    font-size:11.5px;
    color:var(--g700);
    line-height:1.5;
}

.activity-text strong {
    color:var(--g900);
    font-weight:600;
}

.activity-text .act-link {
    color:var(--g7);
    font-weight:500;
}

.activity-time {
    font-size:10px;
    color:var(--g500);
    margin-top:2px;
}
/* Gallery styling */
.art-main-img {
    display: block;
    margin-bottom: 10px;
}
.art-main-img img {
    width: 100%;
    border-radius: 8px;
}
.art-hero {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 10px;
}
.art-hero svg {
    width: 100%;
    background: #0e361a;
}
.art-thumbs .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.thumb-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 600;
}

.ideas-add{
    position: relative;
    padding: 20px 0;
}

.ideas-add .p-head{
    font-size: 14px;
    font-weight: 700;
    color: var(--g900);
    letter-spacing: 0.2px;
    text-transform: uppercase;
}

/* ========================================================
   RESPONSIVE CHO DIỄN ĐÀN Ý TƯỞNG (IDEAS)
   ======================================================== */

@media (max-width: 991.98px) {
    .hero-inner {
        padding: 0 20px;
    }

    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .main {
        grid-template-columns: 1fr !important;
        padding: 20px 16px 36px !important;
        gap: 20px;
    }
}

@media (max-width: 767.98px) {
    /* ====== HERO BANNER ====== */
    .hero-ideas {
        padding: 20px 0 16px;
    }

    .hero-inner {
        padding: 0 14px;
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .hero-ideas h1 {
        font-size: 22px;
        font-style: normal;
        letter-spacing: -0.3px;
        line-height: 1.25;
        margin-bottom: 4px;
    }

    .hero-ideas .sub {
        font-size: 12.5px;
        font-style: normal;
        opacity: 0.85;
    }

    .hero-right {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }

    .hero-illust {
        width: 44px;
        height: 44px;
        font-size: 24px;
        flex-shrink: 0;
    }

    .btn-post {
        flex: 1;
        height: 42px;
        font-size: 13.5px;
        font-weight: 700;
        justify-content: center;
        border-radius: 8px;
        padding: 0 16px;
    }

    /* ====== SEARCH SECTION ====== */
    .search-section {
        padding: 12px 0;
    }

    .search-inner {
        padding: 0 14px;
        flex-direction: column;
        gap: 8px;
    }

    .search-input-wrap {
        width: 100%;
    }

    .search-input-wrap input {
        height: 42px;
        font-size: 16px !important; /* Ngăn iOS Safari tự zoom */
        padding: 8px 14px 8px 38px;
        border-radius: 8px;
    }

    .search-select {
        width: 100%;
        min-width: 100%;
        height: 40px;
        font-size: 14px;
        padding: 8px 32px 8px 12px;
        border-radius: 8px;
    }

    .btn-search {
        width: 100%;
        height: 42px;
        justify-content: center;
        font-size: 14px;
        font-weight: 700;
        border-radius: 8px;
    }

    /* ====== CATEGORY SECTION ====== */
    .category-section {
        padding: 10px 0;
    }

    .category-inner {
        max-width: 100%;
        padding: 0 14px;
        gap: 6px;
    }

    .cat-tab {
        padding: 6px 14px;
        font-size: 12px;
        font-weight: 600;
        border-radius: 20px;
    }

    /* ====== MAIN LAYOUT & HEADERS ====== */
    .main {
        padding: 14px 12px 30px !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
    }

    .section-header {
        margin-bottom: 12px;
    }

    .section-header h2 {
        font-size: 14px;
        gap: 6px;
    }

    .section-header h2 i {
        font-size: 17px;
    }

    /* ====== FEATURED IDEAS (GRID) ====== */
    .featured-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-bottom: 16px;
    }

    .idea-card {
        border-radius: 12px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    }

    .idea-thumb {
        height: 150px;
    }

    .idea-body {
        padding: 12px 14px;
    }

    .idea-title {
        font-size: 14.5px;
        line-height: 1.35;
        margin-bottom: 4px;
    }

    .idea-desc {
        font-size: 12px;
        line-height: 1.5;
        margin-bottom: 8px;
    }

    .idea-cat-tag {
        font-size: 10.5px;
        padding: 2.5px 8px;
        margin-bottom: 8px;
    }

    .idea-actions button {
        padding: 9px 6px;
        font-size: 12px;
    }

    .idea-actions button i {
        font-size: 16px;
    }

    /* ====== IDEAS LIST (FEED ITEMS) ====== */
    .idea-list-item {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
        border-radius: 12px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    }

    .idea-list-item + .idea-list-item {
        margin-top: 10px;
    }

    .list-thumb {
        width: 100%;
        height: 160px;
        border-radius: 8px;
    }

    .list-body .idea-title {
        font-size: 15px;
        font-weight: 700;
        line-height: 1.35;
        margin-bottom: 4px;
    }

    .list-body .idea-desc {
        font-size: 12.5px;
        line-height: 1.5;
        -webkit-line-clamp: 2;
        margin-bottom: 8px;
    }

    .list-tags {
        margin-bottom: 10px;
    }

    .list-author-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        border-top: 1px solid #f1f5f9;
        padding-top: 10px;
    }

    .idea-author {
        width: 100%;
        justify-content: space-between;
        padding-top: 0;
        border-top: none;
    }

    .list-right {
        width: 100%;
        justify-content: space-between;
        border-top: 1px dashed #f1f5f9;
        padding-top: 8px;
        gap: 8px;
    }

    .list-action {
        font-size: 12px;
        gap: 4px;
    }

    .list-action i {
        font-size: 16px;
    }

    /* ====== SIDEBAR ON MOBILE ====== */
    .side {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .side-box {
        border-radius: 12px;
        margin-bottom: 0;
    }

    .side-head {
        padding: 12px 14px;
        font-size: 13.5px;
        font-weight: 700;
    }

    .top-item {
        padding: 10px 14px;
        gap: 10px;
    }

    .top-info .ti-title {
        font-size: 13px;
    }

    .top-info .ti-author {
        font-size: 11px;
    }

    .activity-item {
        padding: 10px 14px;
        gap: 10px;
    }

    .activity-text {
        font-size: 12.5px;
    }

    /* ====== IDEAS DETAIL: ARTICLE & CONTENT ====== */
    .article {
        padding: 16px 14px;
        border-radius: 12px;
    }

    .art-title {
        font-size: 19px;
        line-height: 1.35;
        margin-bottom: 8px;
    }

    .art-badges {
        gap: 6px;
        flex-wrap: wrap;
        margin-bottom: 12px;
    }

    .art-author {
        flex-wrap: wrap;
        gap: 10px;
        padding: 10px 0;
        border-top: 1px solid #f1f5f9;
        border-bottom: 1px solid #f1f5f9;
        margin-bottom: 14px;
    }

    .au-info {
        flex: 1;
        min-width: 130px;
    }

    .au-stats {
        width: 100%;
        display: flex;
        justify-content: space-between;
        padding-top: 6px;
        border-top: 1px dashed #f1f5f9;
        font-size: 12px;
    }

    .art-main-img img,
    .art-hero {
        border-radius: 8px;
    }

    .art-thumbs {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        margin-top: 10px;
    }

    .art-thumbs .thumb {
        height: 65px;
        border-radius: 6px;
    }

    .art-tabs {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 4px;
        border-bottom: 2px solid #f1f5f9;
        margin: 16px 0 14px;
        padding-bottom: 2px;
    }

    .art-tabs::-webkit-scrollbar {
        display: none;
    }

    .art-tab {
        flex: 0 0 auto;
        padding: 8px 12px;
        font-size: 12px;
        font-weight: 700;
        white-space: nowrap;
        border-radius: 6px;
        border-bottom: none;
    }

    .art-tab.active {
        background: #1a6b35;
        color: #fff;
    }

    .art-body {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .art-text {
        font-size: 14px;
        line-height: 1.7;
        color: #334155;
    }

    .art-text img {
        max-width: 100% !important;
        height: auto !important;
        border-radius: 8px;
    }

    .art-text table {
        display: block;
        overflow-x: auto;
        width: 100% !important;
    }

    .info-rows {
        margin-top: 14px;
        border-top: 1px solid #f1f5f9;
        padding-top: 10px;
    }

    .info-rows .info-row {
        display: flex;
        flex-direction: column;
        gap: 3px;
        padding: 8px 0;
        border-bottom: 1px solid #f8fafc;
    }

    .info-rows .info-row .ir-label {
        font-size: 12px;
        color: #64748b;
        font-weight: 500;
    }

    .info-rows .info-row .ir-value {
        font-size: 13.5px;
        color: #0f172a;
        font-weight: 600;
    }

    .stats-side {
        width: 100%;
        border-top: 1px solid #f1f5f9;
        padding-top: 16px;
        margin-top: 10px;
    }

    .stats-side .stat-blk-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
        margin-bottom: 12px;
    }

    .stats-side .stat-blk {
        margin-bottom: 0;
        padding: 8px;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        background: #f8fafc;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .stats-side .stat-blk i {
        font-size: 16px;
        color: #1a6b35;
    }

    .stats-side .sb-num {
        font-size: 13px;
        font-weight: 700;
    }

    .stats-side .sb-lbl {
        font-size: 10px;
    }

    .btn-support {
        width: 100%;
        height: 42px;
        font-size: 13.5px;
        font-weight: 700;
        justify-content: center;
        border-radius: 8px;
        margin-top: 10px;
    }

    .share-btns {
        display: flex;
        gap: 8px;
        justify-content: center;
    }

    .share-btns button {
        width: 42px;
        height: 42px;
        font-size: 18px;
    }

    .author-box-body {
        padding: 16px 14px;
        text-align: center;
    }

    .author-box-body .ab-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        margin-top: 10px;
    }

    .author-box-body .ab-stat {
        padding: 6px;
        background: #f8fafc;
        border: 1px solid #f1f5f9;
        border-radius: 6px;
    }

    .author-box-body .btn-follow {
        width: 100%;
        height: 40px;
        justify-content: center;
    }

    .related-item {
        padding: 10px 14px;
        gap: 10px;
    }

    .rel-thumb {
        width: 72px;
        height: 54px;
        border-radius: 6px;
        flex-shrink: 0;
    }

    .rel-title {
        font-size: 13px;
        line-height: 1.35;
    }
}

@media (max-width: 499.98px) {
    .hero-ideas h1 {
        font-size: 19px;
    }

    .hero-illust {
        display: none;
    }

    .btn-post {
        width: 100%;
    }

    .list-thumb {
        height: 145px;
    }

    .idea-thumb {
        height: 135px;
    }
}