/* =========================================================
   SMM.BZ — Public Layout: Left Sidebar + Megamenu
   ========================================================= */

/* ─── Page shell ─────────────────────────────────────────── */
.pub-shell {
  display: flex;
  min-height: 100vh;
}

/* ─── Left Sidebar ───────────────────────────────────────── */
.pub-sidebar {
  width: 284px;
  flex-shrink: 0;
  background:
    radial-gradient(circle at top left, rgba(37,99,235,.12), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.94));
  border-right: 1px solid var(--border);
  box-shadow: inset -1px 0 0 rgba(255,255,255,.72);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s;
}
.pub-sidebar::-webkit-scrollbar { width: 4px; }
.pub-sidebar::-webkit-scrollbar-track { background: transparent; }
.pub-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Sidebar header (logo + close btn) */
.pub-sb-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 20px 0;
  flex-shrink: 0;
}
.pub-sb-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.pub-sb-logo img { height: 28px; width: auto; }
.pub-sb-tagline {
  font-size: .8rem;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 210px;
}
.pub-sb-close {
  display: none;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(148,163,184,.2);
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  transition: color .15s, background .15s, border-color .15s;
}
.pub-sb-close:hover { color: var(--text-primary); background: #fff; border-color: rgba(37,99,235,.18); }

/* Sidebar nav */
.pub-sb-nav {
  flex: 1;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pub-sb-spotlight {
  border: 1px solid rgba(37,99,235,.12);
  background:
    linear-gradient(180deg, rgba(255,255,255,.95), rgba(239,246,255,.85));
  border-radius: 20px;
  padding: 16px 16px 14px;
  box-shadow: 0 16px 36px rgba(37,99,235,.08);
}
.pub-sb-spotlight-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.pub-sb-spotlight-title {
  font-size: .95rem;
  line-height: 1.45;
  font-weight: 700;
  color: var(--text-primary);
}
.pub-sb-spotlight-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.pub-sb-spotlight-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  color: var(--text-secondary);
  font-size: .72rem;
  font-weight: 600;
}
.pub-sb-group {
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(148,163,184,.14);
  border-radius: 18px;
  padding: 12px;
  box-shadow: 0 10px 26px rgba(15,23,42,.04);
}
.pub-sb-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.pub-sb-group-note {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--primary);
}

.pub-sb-section {
  font-size: .6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  padding: 2px 6px 8px;
}
.pub-sb-section:first-child { padding-top: 0; }

.pub-sb-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px;
  border-radius: 14px;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background .16s, color .16s, transform .16s, box-shadow .16s;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
}
.pub-sb-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 999px;
  background: transparent;
  transition: background .16s;
}
.pub-sb-link-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(148,163,184,.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  flex-shrink: 0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.7);
}
.pub-sb-link-icon i { font-size: .88rem; }
.pub-sb-link-label {
  overflow: hidden;
  text-overflow: ellipsis;
}
.pub-sb-link:hover {
  background: rgba(255,255,255,.82);
  color: var(--text-primary);
  transform: translateX(2px);
}
.pub-sb-link:hover .pub-sb-link-icon {
  color: var(--primary);
  border-color: rgba(37,99,235,.18);
  background: rgba(239,246,255,.92);
}
.pub-sb-link.active {
  background: linear-gradient(90deg, rgba(219,234,254,.96), rgba(255,255,255,.92));
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px rgba(37,99,235,.12);
}
.pub-sb-link.active::before { background: var(--primary); }
.pub-sb-link.active .pub-sb-link-icon {
  color: var(--primary);
  border-color: rgba(37,99,235,.16);
  background: rgba(255,255,255,.94);
}

/* Sidebar CTA area */
.pub-sb-cta {
  padding: 16px 14px 18px;
  border-top: 1px solid rgba(148,163,184,.14);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pub-sb-cta-copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(148,163,184,.14);
  border-radius: 18px;
  padding: 14px 14px 12px;
  box-shadow: 0 10px 26px rgba(15,23,42,.04);
}
.pub-sb-cta-copy strong {
  font-size: .83rem;
  line-height: 1.45;
  color: var(--text-primary);
}
.pub-sb-cta-copy span {
  font-size: .76rem;
  line-height: 1.55;
  color: var(--text-muted);
}
.pub-sb-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 14px;
  font-size: .8125rem;
  font-weight: 700;
  text-decoration: none;
  transition: all .15s;
  cursor: pointer;
  border: none;
  font-family: var(--font);
  width: 100%;
}
.pub-sb-cta-btn.primary {
  background: linear-gradient(135deg, var(--primary) 0%, #3b82f6 100%);
  color: #fff;
  box-shadow: 0 12px 28px rgba(37,99,235,.22);
}
.pub-sb-cta-btn.primary:hover { background: linear-gradient(135deg, var(--primary-hover) 0%, #2563eb 100%); }
.pub-sb-cta-btn.ghost {
  background: rgba(255,255,255,.78);
  color: var(--text-secondary);
  border: 1px solid rgba(148,163,184,.18);
}
.pub-sb-cta-btn.ghost:hover { background: #fff; color: var(--text-primary); }

/* Sidebar overlay (mobile) */
.pub-sb-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 199;
  backdrop-filter: blur(2px);
}
.pub-sb-overlay.open { display: block; }

/* ─── Main Content Area ──────────────────────────────────── */
.pub-main {
  flex: 1;
  min-width: 0;
  margin-left: 284px;
  display: flex;
  flex-direction: column;
}

/* ─── Topbar with megamenu ───────────────────────────────── */
.pub-topbar {
  position: sticky;
  top: 0;
  z-index: 150;
  background: rgba(248,250,252,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}
[data-theme="dark"] .pub-topbar { background: rgba(15,23,42,.92); }

/* Hamburger (desktop shows to collapse sidebar) */
.pub-hamburger {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: all .15s;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pub-hamburger:hover { color: var(--text-primary); background: var(--surface-2); }

/* Topbar logo (visible on mobile only when sidebar is hidden) */
.pub-topbar-logo {
  display: none;
  text-decoration: none;
}
.pub-topbar-logo img { height: 26px; width: auto; }

/* Megamenu nav items in topbar */
.pub-megamenu-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.pub-mm-item {
  position: relative;
}

.pub-mm-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 9px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--font);
  transition: all .15s;
  white-space: nowrap;
}
.pub-mm-trigger:hover,
.pub-mm-item:hover .pub-mm-trigger,
.pub-mm-item.open .pub-mm-trigger {
  color: var(--text-primary);
  background: var(--surface-2);
}
.pub-mm-trigger i.chevron {
  font-size: .6rem;
  transition: transform .2s;
}
.pub-mm-item:hover .pub-mm-trigger i.chevron,
.pub-mm-item.open .pub-mm-trigger i.chevron {
  transform: rotate(180deg);
}

/* Megamenu dropdown panel */
.pub-mm-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .2s, transform .2s, visibility .2s;
  z-index: 300;
  min-width: 520px;
}
.pub-mm-item:hover .pub-mm-panel,
.pub-mm-item.open .pub-mm-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Panel grid */
.pub-mm-grid {
  display: grid;
  gap: 6px;
}
.pub-mm-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.pub-mm-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* Panel section heading */
.pub-mm-head {
  font-size: .6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 8px;
  margin-top: 16px;
  padding: 0 10px;
}
.pub-mm-head:first-child { margin-top: 0; }

/* Individual megamenu link */
.pub-mm-link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-primary);
  transition: background .15s;
}
.pub-mm-link:hover { background: var(--surface-2); }
.pub-mm-link-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
}
.pub-mm-link-icon.accent { background: var(--accent-light); color: var(--accent); }
.pub-mm-link-icon.warn { background: var(--warning-light); color: var(--warning); }
.pub-mm-link-icon.info { background: var(--info-light); color: var(--primary); }
.pub-mm-link-body { min-width: 0; }
.pub-mm-link-title {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}
.pub-mm-link-desc {
  font-size: .75rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

/* Panel footer promo strip */
.pub-mm-footer {
  border-top: 1px solid var(--border);
  margin-top: 16px;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.pub-mm-footer-text {
  font-size: .75rem;
  color: var(--text-muted);
}
.pub-mm-footer-link {
  font-size: .75rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
}
.pub-mm-footer-link:hover { text-decoration: underline; }

/* Topbar right actions */
.pub-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.pub-tb-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 9px;
  font-size: .8125rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: var(--font);
  transition: all .15s;
  white-space: nowrap;
}
.pub-tb-btn.ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.pub-tb-btn.ghost:hover { color: var(--text-primary); background: var(--surface-2); }
.pub-tb-btn.primary {
  background: var(--primary);
  color: #fff;
}
.pub-tb-btn.primary:hover { background: var(--primary-hover); }
.pub-tb-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  padding: 7px 9px;
  border-radius: 9px;
  transition: all .15s;
  display: flex;
  align-items: center;
}
.pub-tb-icon:hover { color: var(--text-primary); background: var(--surface-2); }

/* ─── Responsive ─────────────────────────────────────────── */

/* Collapsed sidebar state (desktop toggle) */
.pub-shell.sidebar-collapsed .pub-sidebar {
  transform: translateX(-284px);
}
.pub-shell.sidebar-collapsed .pub-main {
  margin-left: 0;
}

/* Mobile: ≤ 960px */
@media (max-width: 960px) {
  .pub-sidebar {
    transform: translateX(-260px);
    box-shadow: none;
    width: 260px;
  }
  .pub-sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  .pub-sb-close { display: flex; }
  .pub-main { margin-left: 0; }
  .pub-topbar-logo { display: flex; align-items: center; }
  .pub-megamenu-nav { display: none; }
  .pub-mm-panel { display: none !important; }

  /* Don't show collapsed state on mobile */
  .pub-shell.sidebar-collapsed .pub-sidebar {
    transform: translateX(-260px);
  }
  .pub-shell.sidebar-collapsed .pub-main {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .pub-topbar { padding: 0 16px; gap: 10px; }
  .pub-tb-btn.ghost { display: none; }
  .pub-topbar-right { gap: 6px; }
}

/* ─── Dark mode adjustments ──────────────────────────────── */
[data-theme="dark"] .pub-sidebar {
  background:
    radial-gradient(circle at top left, rgba(96,165,250,.16), transparent 32%),
    linear-gradient(180deg, rgba(15,23,42,.98), rgba(15,23,42,.95));
  border-right-color: rgba(148,163,184,.14);
  box-shadow: inset -1px 0 0 rgba(255,255,255,.04);
}
[data-theme="dark"] .pub-mm-panel {
  background: var(--surface);
  border-color: var(--border);
}
[data-theme="dark"] .pub-sb-close,
[data-theme="dark"] .pub-sb-group,
[data-theme="dark"] .pub-sb-cta-copy,
[data-theme="dark"] .pub-sb-cta-btn.ghost,
[data-theme="dark"] .pub-sb-link-icon,
[data-theme="dark"] .pub-sb-spotlight-meta span {
  background: rgba(15,23,42,.72);
  border-color: rgba(148,163,184,.16);
}
[data-theme="dark"] .pub-sb-spotlight {
  background: linear-gradient(180deg, rgba(30,41,59,.9), rgba(15,23,42,.82));
  border-color: rgba(96,165,250,.16);
}
[data-theme="dark"] .pub-sb-link:hover {
  background: rgba(30,41,59,.72);
}
[data-theme="dark"] .pub-sb-link.active {
  background: linear-gradient(90deg, rgba(30,64,175,.28), rgba(30,41,59,.82));
  box-shadow: inset 0 0 0 1px rgba(96,165,250,.2);
}