/* ═══════════════════════════════════════════════════
   MOBILE.CSS — responsive layer for maks.top theme
   Loaded globally via baseof.html after global.css
   Breakpoints: 860px (tablet), 560px (mobile)
═══════════════════════════════════════════════════ */

/* ── DESKTOP NAV: hide on mobile ── */
.desk-nav { display: flex; }

/* ── MOBILE NAV: hidden on desktop ── */
.mob-nav {
  display: none;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-blur);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  height: 52px;
  align-items: center;
  justify-content: space-between;
}

.mob-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── BURGER ── */
.burger {
  background: var(--bg3);
  border: 1px solid var(--border);
  width: 34px;
  height: 34px;
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0;
  transition: border-color .15s;
}
.burger span {
  display: block;
  height: 1.5px;
  width: 16px;
  background: var(--text2);
  border-radius: 1px;
  transition: transform .22s, opacity .22s;
}
.burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.burger:hover { border-color: var(--accent); }

/* ── MOBILE DRAWER ── */
.mob-drawer {
  display: none;
  position: fixed;
  top: 52px;
  left: 0;
  right: 0;
  z-index: 99;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 8px 16px 16px;
  flex-direction: column;
  gap: 2px;
  transform: translateY(-8px);
  opacity: 0;
  transition: transform .2s ease, opacity .2s ease;
}
.mob-drawer.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}
.mob-drawer a {
  color: var(--text3);
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 6px;
  text-decoration: none;
  display: block;
  transition: color .15s, background .15s;
}
.mob-drawer a:hover,
.mob-drawer a.active {
  color: var(--accent);
  background: var(--glow);
}
.mob-drawer-lang {
  display: flex;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
  width: fit-content;
  margin-top: 8px;
  margin-left: 12px;
}

/* ── OVERLAY ── */
.mob-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: 52px;
  background: rgba(0,0,0,0.4);
  z-index: 98;
}
.mob-overlay.open { display: block; }

/* ── MOBILE BOTTOM NAV ── */
.mob-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-blur);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 8px 0 max(10px, env(safe-area-inset-bottom));
  justify-content: space-around;
}
.mob-bnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text3);
  text-decoration: none;
  font-size: 9.5px;
  padding: 0 16px;
  transition: color .15s;
}
.mob-bnav-item svg { stroke: currentColor; }
.mob-bnav-item.active { color: var(--accent); }
.mob-bnav-item:hover { color: var(--accent); }

/* ── PROSE PAGE ── */
.prose-page {
  display: block;
  position: relative;
}

/* ── TOC ASIDE (desktop) ── */
.toc-aside {
  display: none;
}
.toc-inner {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  max-height: calc(100vh - 96px);
  display: flex;
  flex-direction: column;
}
/* Sticky is on the grid item, not the inner box */
.prose-page.has-toc .toc-aside {
  position: sticky;
  top: 72px;
}
.toc-title {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-family: 'Unbounded', sans-serif;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
  flex-shrink: 0;
}
.toc-links {
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  padding: 4px 0;
}
.toc-item {
  display: block;
  padding: 6px 14px;
  font-size: 11px;
  color: var(--text3);
  text-decoration: none;
  transition: color .15s, background .15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toc-item.toc-h3 { padding-left: 24px; font-size: 10.5px; }
.toc-item:hover, .toc-item.cur { color: var(--accent); background: var(--glow); }

/* ── NS-CARD ISOLATION VIS ── */
.vis-isolation {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 11px 13px;
  margin-bottom: 12px;
}
.vis-label {
  font-size: 9.5px;
  color: var(--text3);
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.vis-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 8px;
  align-items: center;
}
.vis-col-lbl {
  font-size: 8.5px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 4px;
}
.vis-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 9px;
  font-size: 10.5px;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 6px;
}
.vis-tag {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text3);
  white-space: nowrap;
  flex-shrink: 0;
}
.vis-sep {
  text-align: center;
  font-size: 18px;
  color: var(--border);
}

/* ── POSTS LIST (blog/kb/certs) ── */
.posts-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}
.post-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 16px 20px;
  text-decoration: none;
  transition: border-color .15s, transform .15s;
  display: block;
}
.post-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.post-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.post-card-title {
  font-family: 'Unbounded', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.35;
  transition: color .15s;
}
.post-card:hover .post-card-title { color: var(--accent); }
.post-card-desc {
  font-size: 11.5px;
  color: var(--text2);
  line-height: 1.65;
}

/* ═══════════════════════════════════════
   PAGINATION
═══════════════════════════════════════ */
.pagination {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.page-btn {
  color: var(--text3);
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  text-decoration: none;
  transition: color .15s;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

a.page-btn:hover {
  color: var(--accent);
}

.page-btn.active {
  color: var(--accent);
  font-weight: 600;
  cursor: default;
}

.page-btn.disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

/* ═══════════════════════════════════════
   TABLET — 860px
═══════════════════════════════════════ */
@media (max-width: 860px) {
  .main-grid { grid-template-columns: 1fr 1fr !important; }
  .certs-section { grid-column: span 2 !important; }

  /* Show ToC on tablet+ if space */
  .toc-aside { display: none; }
}

/* ═══════════════════════════════════════
   MOBILE — 640px
═══════════════════════════════════════ */
@media (max-width: 640px) {

  /* Swap navs */
  .desk-nav { display: none !important; }
  .mob-nav { display: flex !important; }
  .mob-bottom-nav { display: flex !important; }

  /* Page padding — account for bottom nav */
  .page { padding: 24px 16px 80px !important; }
  footer { padding-bottom: 80px; }

  /* Grid → single column */
  .main-grid { grid-template-columns: 1fr !important; gap: 12px !important; }
  .certs-section { grid-column: span 1 !important; }

  /* Hero */
  .hero-top { flex-direction: column !important; gap: 16px; }
  .hero-text h1 { font-size: clamp(20px, 6vw, 28px) !important; }
  .tag-cloud { max-width: 100% !important; }
  .hero { margin-bottom: 32px !important; }
  .search-wrap { margin-bottom: 24px !important; }

  /* NS cards — hide summary in header (too cramped) */
  .ns-summary { display: none; }
  .ns-header { gap: 10px; }

  /* Cert grid → 1 col */
  .cert-grid { grid-template-columns: 1fr !important; }

  /* About strip → stack */
  .about-strip { flex-direction: column; align-items: flex-start; gap: 16px; padding: 16px; }
  .about-skills { min-width: unset; width: 100%; }

  /* Posts list */
  .post-card { padding: 13px 14px; }
  .post-card-title { font-size: 12px; }

  /* Panel heads */
  .panel-head { padding: 11px 14px 10px; }
  .post-item { padding: 8px 14px; }
  .kb-item { padding: 8px 14px; }

  /* Code blocks */
  pre { font-size: 11px !important; }

  /* Prose ToC — hidden on mobile */
  .toc-aside { display: none !important; }

  /* Namespace map → horizontal scroll */
  .ns-map-grid {
    display: flex !important;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 6px;
    scrollbar-width: none;
  }
  .ns-map-grid::-webkit-scrollbar { display: none; }
  .ns-map-btn {
    flex-shrink: 0;
    min-width: 72px;
  }
}

/* ═══════════════════════════════════════
   LARGE DESKTOP — prose + ToC layout
═══════════════════════════════════════ */
@media (min-width: 860px) {
  /* Two-column layout only when JS detects enough headings */
  .prose-page.has-toc {
    display: grid;
    grid-template-columns: 1fr 220px;
    gap: 32px;
    align-items: start;
  }
  .prose-page.has-toc .breadcrumb { grid-column: 1 / -1; }
  .prose-page.has-toc article { min-width: 0; }
  .prose-page.has-toc .toc-aside { display: block; }
}

/* ═══════════════════════════════════════
   SAFE AREA (iPhone notch / home bar)
═══════════════════════════════════════ */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .mob-bottom-nav {
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
}