/* ── Topbar ── */
.topbar{background:var(--brand-dark);padding:6px 0;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;}
.topbar__text{font-size:12px;color:rgba(255,255,255,0.75);}
.topbar__links{display:flex;gap:16px;}
.topbar__links a{font-size:12px;color:rgba(255,255,255,0.65);transition:color var(--transition);}
.topbar__links a:hover{color:#fff;}

/* ── Header ── */
.site-header{background:var(--brand);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(255,255,255,0.1);transition:box-shadow var(--transition);}
.site-header.scrolled{box-shadow:0 2px 20px rgba(83,74,183,0.3);}

/* ── Navbar ── */
.navbar{display:flex;align-items:center;height:60px;gap:16px;}
.navbar__logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.navbar__logo-text{font-size:18px;font-weight:700;color:#fff;letter-spacing:-0.3px;}
.navbar__logo-text span{color:#9FE1CB;}
.navbar__logo-text em{font-style:normal;color:rgba(255,255,255,0.5);font-size:14px;}
.navbar__cat-chip{background:rgba(255,255,255,0.15);color:rgba(255,255,255,0.9);border:1px solid rgba(255,255,255,0.2);border-radius:99px;padding:3px 10px;font-size:12px;font-weight:500;white-space:nowrap;}

/* ── Tools Nav ── */
.navbar__tools-nav{flex:1;overflow:hidden;}
.tools-nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;padding:0;margin:0;list-style:none;}
.tools-nav::-webkit-scrollbar{display:none;}
.tools-nav li a{display:flex;align-items:center;gap:5px;padding:6px 10px;font-size:13px;color:rgba(255,255,255,0.8);border-radius:var(--radius-sm);white-space:nowrap;transition:all var(--transition);}
.tools-nav li a:hover,.tools-nav li.current-menu-item a{color:#fff;background:rgba(255,255,255,0.12);}

/* ── Navbar Right ── */
.navbar__right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.navbar__all-tools{border-color:rgba(255,255,255,0.3) !important;}
.navbar__burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius-md);padding:0 9px;}
.navbar__burger span{display:block;width:100%;height:2px;background:#fff;border-radius:2px;transition:all var(--transition);}

/* ── Archive Hero ── */
.archive-hero{background:var(--brand);padding:40px 0 32px;}
.archive-hero__title{color:#fff;font-size:clamp(22px,4vw,36px);margin-bottom:8px;}
.archive-hero__desc{color:rgba(255,255,255,0.75);font-size:15px;}

/* ── Blog layout ── */
.blog-layout{display:grid;grid-template-columns:1fr 300px;gap:32px;padding:40px 0;}
.blog-main{min-width:0;}
.blog-sidebar{display:flex;flex-direction:column;}

/* ── Post styles ── */
.post-single__title{font-size:clamp(22px,4vw,34px);line-height:1.2;}
.post-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);}
.post-meta__avatar{border-radius:50%;}
.post-single__content{font-size:15px;line-height:1.8;color:var(--text-secondary);}
.post-single__content h2,.post-single__content h3{color:var(--text-primary);margin:24px 0 12px;}
.post-single__content p{margin-bottom:16px;}
.post-single__content ul,.post-single__content ol{padding-left:20px;margin-bottom:16px;}
.post-single__content li{margin-bottom:6px;color:var(--text-secondary);}
.post-single__img img,.page-single__img img{width:100%;border-radius:var(--radius-lg);}
.post-nav__inner{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.post-nav__item{display:flex;flex-direction:column;gap:4px;padding:14px;border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition);}
.post-nav__item:hover{border-color:var(--brand);background:var(--brand-light);}
.post-nav__dir{font-size:12px;color:var(--text-muted);font-weight:500;}
.post-nav__title{font-size:13px;font-weight:500;color:var(--text-primary);}
.post-nav__item--next{text-align:right;}

/* ── Error 404 ── */
.error-404__icon{font-size:64px;margin-bottom:16px;}
.error-404__code{font-size:80px;font-weight:700;color:var(--brand);line-height:1;}
.error-404__title{font-size:28px;margin-top:8px;}
.error-404__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* ── Responsive ── */
@media(max-width:900px){
  .blog-layout{grid-template-columns:1fr;}
  .blog-sidebar{display:none;}
}
@media(max-width:768px){
  .topbar{display:none;}
  .navbar__tools-nav{display:none;position:fixed;top:60px;left:0;right:0;bottom:0;background:var(--brand-dark);padding:20px;overflow-y:auto;z-index:99;}
  .navbar__tools-nav.open{display:block;}
  .tools-nav{flex-direction:column;gap:4px;}
  .tools-nav li a{font-size:15px;padding:12px 16px;}
  .navbar__burger{display:flex;}
  .navbar__all-tools{display:none;}
  .post-nav__inner{grid-template-columns:1fr;}
}