/* ZIBADIS nav factory — row 2 (header: brand + categorized nav) and
   row 3 (subbar: breadcrumb + search/settings action panes).
   Uses the site's own existing vitrail.css custom properties directly
   (--paper, --ink, --soft, --muted, --line, --thin, --faint,
   --glass-strong, --accent, --text-*, --dur-*) -- no fallback values
   needed since every real site already defines them. */

/* ── brand ─────────────────────────────────────── */
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.brand-mark{
  width:34px;height:34px;border:2px solid var(--line);
  display:grid;place-items:center;background:var(--paper2);position:relative;
}
.brand-mark::before{
  content:"";position:absolute;width:7px;height:14px;background:var(--accent);
  border-top:2px solid var(--line);border-bottom:2px solid var(--line);
  right:-7px;top:6px;
}
[dir="rtl"] .brand-mark::before{right:auto;left:-7px}
.brand-mark img{width:20px;height:20px;object-fit:contain}
[data-theme="dark"] .brand-mark img{filter:brightness(0) saturate(100%) invert(1)}
.brand-text{display:flex;flex-direction:column;gap:0;line-height:1.05}
.brand-text strong{font-size:var(--text-md);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.brand-text small{font-size:var(--text-sm);letter-spacing:.1em;color:var(--soft);font-weight:400;margin-top:2px}

/* ── header row (row 2) ───────────────────────────── */
.header{border-bottom:1px solid var(--thin);background:var(--paper)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}

.navlinks{display:flex;gap:0;align-items:center;flex-wrap:wrap}

.navlinks a.navlink{
  position:relative;padding:10px 14px;
  font-size:var(--text-base);font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  color:var(--soft);text-decoration:none;transition:color var(--dur-base);min-height:44px;
  display:flex;align-items:center;
}
.navlinks a.navlink:hover,.navlinks a.navlink.active{color:var(--ink)}
.navlinks a.navlink.active::after{
  content:"";position:absolute;height:2px;background:var(--line);bottom:2px;left:14px;right:14px;
}

.nav-cat{position:relative;display:inline-flex;align-items:center}
.nav-cat summary{
  list-style:none;padding:10px 14px;
  font-size:var(--text-base);font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  color:var(--soft);cursor:pointer;min-height:44px;display:flex;align-items:center;gap:6px;
  user-select:none;
}
.nav-cat summary::-webkit-details-marker{display:none}
.nav-cat summary::after{
  content:"";width:10px;height:10px;background:var(--accent);flex-shrink:0;
  -webkit-mask:url("data:image/svg+xml,%3Csvg viewBox='0 0 10 10' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.5 3.5L5 6.5 7.5 3.5' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg viewBox='0 0 10 10' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.5 3.5L5 6.5 7.5 3.5' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  transition:transform var(--dur-fast);
}
.nav-cat[open] summary::after{transform:rotate(180deg)}
.nav-cat summary:hover,.nav-cat summary.has-active{color:var(--ink)}
.nav-cat summary.has-active::before{
  content:"";position:absolute;bottom:2px;left:14px;right:14px;height:2px;background:var(--line);
}
.nav-cat-menu{
  position:absolute;top:100%;left:0;z-index:90;min-width:170px;padding:8px;
  display:grid;gap:2px;border:2px solid var(--line);background:var(--glass-strong);
  backdrop-filter:blur(16px);
}
[dir="rtl"] .nav-cat-menu{left:auto;right:0}
.nav-cat-menu a{
  padding:10px 14px;display:block;font-size:var(--text-base);font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;color:var(--soft);text-decoration:none;
  border:1px solid transparent;transition:var(--dur-fast);
}
.nav-cat-menu a:hover,.nav-cat-menu a.active{color:var(--ink);background:var(--paper2);border-color:var(--thin)}

/* ── subbar / row 3 ────────────────────────────── */
.subbar{border-bottom:1px solid var(--faint);background:var(--glass-strong)}
.subbar-row{position:relative;min-height:50px}

.subbar-pane{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  opacity:0;transform:translateY(-6px);pointer-events:none;
  transition:opacity .3s cubic-bezier(.4,0,.2,1),transform .3s cubic-bezier(.4,0,.2,1);
}
[data-mode="default"] .pane-default,
[data-mode="search"] .pane-search,
[data-mode="settings"] .pane-settings{
  opacity:1;transform:none;pointer-events:auto;
}

.breadcrumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  color:var(--muted);font-size:var(--text-sm);font-weight:500}
.breadcrumbs a{color:var(--soft);text-decoration:none;transition:color var(--dur-fast)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs strong{color:var(--ink);font-weight:600}

.header-actions{display:flex;align-items:center;gap:2px;flex-shrink:0}
.header-icon{
  width:40px;height:40px;display:grid;place-items:center;
  border:0;background:transparent;border-radius:10px;
  color:var(--soft);cursor:pointer;transition:color var(--dur-fast),background var(--dur-fast);
}
.header-icon:hover{color:var(--accent);background:var(--paper3)}
.header-icon:active{transform:scale(.92)}
.header-icon svg{width:18px;height:18px}

.lang-btn{width:auto;min-width:40px;padding:0 12px;
  font-size:var(--text-sm);font-weight:600;letter-spacing:.08em}

.theme-btn .icon-moon{display:block}
.theme-btn .icon-sun{display:none}
[data-theme="dark"] .theme-btn .icon-moon{display:none}
[data-theme="dark"] .theme-btn .icon-sun{display:block}

/* ── search pane ───────────────────────────────── */
.pane-search{gap:12px}
.pane-search svg{width:18px;height:18px;color:var(--soft);flex-shrink:0}
.pane-search input{
  flex:1;border:0;background:transparent;outline:0;
  font-size:var(--text-md);color:var(--ink);font-family:inherit;
  padding:0;
}
.pane-search input::placeholder{color:var(--muted)}
.pane-search input::-webkit-search-cancel-button,
.pane-search input::-webkit-search-decoration{-webkit-appearance:none;appearance:none;display:none}
.pane-search input::-ms-clear{display:none;width:0;height:0}

/* ── settings pane ─────────────────────────────── */
.pane-settings{gap:16px}
.pane-settings-toggles{display:flex;align-items:center;gap:28px}
.toggle-row{display:flex;align-items:center;gap:10px}
.toggle-label{font-size:var(--text-base);color:var(--soft);font-weight:500}

.switch{
  width:38px;height:22px;border-radius:3px;border:1px solid var(--line);
  background:var(--paper2);position:relative;cursor:pointer;padding:0;flex-shrink:0;
  transition:background var(--dur-base);
}
.switch-thumb{
  position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:2px;
  background:var(--soft);transition:transform var(--dur-base) cubic-bezier(.4,0,.2,1),background var(--dur-base);
}
.switch[aria-checked="true"]{background:var(--accent);border-color:var(--accent)}
.switch[aria-checked="true"] .switch-thumb{transform:translateX(16px);background:#fff}
[dir="rtl"] .switch-thumb{left:auto;right:2px}
[dir="rtl"] .switch[aria-checked="true"] .switch-thumb{transform:translateX(-16px)}

.pane-close{
  width:36px;height:36px;display:grid;place-items:center;flex-shrink:0;
  border:0;background:transparent;color:var(--soft);cursor:pointer;border-radius:10px;
  transition:color var(--dur-fast),background var(--dur-fast);
}
.pane-close:hover{color:var(--accent);background:var(--paper3)}
.pane-close svg{width:16px;height:16px}

@media (max-width:640px){
  /* Was max-width:900px here while vitrail.css's own .navlinks.open
     dropdown styling used 640px — two stylesheets owning the same
     selector at different breakpoints, fighting over display/align/
     justify at every width in between. This block now matches
     vitrail.css's breakpoint and declares the full mobile dropdown
     itself (position, background, alignment) instead of half-relying
     on vitrail.css to supply the rest, so there's one clear owner. */
  .navlinks{
    display:none;
    position:absolute; top:56px; left:12px; right:12px;
    flex-direction:column; align-items:stretch; justify-content:flex-start;
    gap:4px;
    background:var(--paper);
    border:2px solid var(--line);
    padding:8px;
    max-height:70vh; overflow-y:auto;
    box-shadow:0 8px 24px rgba(0,0,0,.18); z-index:90;
  }
  [dir="rtl"] .navlinks{ left:12px; right:12px }
  .navlinks.open{display:flex}
  .navlinks a.navlink{width:100%; justify-content:flex-start}
  .menu-btn{display:inline-block}
  /* expand dropdowns in-flow (accordion) instead of floating over
     the items below them, since .navlinks itself is a column here */
  .nav-cat{display:block}
  .nav-cat-menu{
    position:static;margin-top:2px;min-width:0;
    border:0;background:transparent;backdrop-filter:none;
    padding:0 0 0 14px;
  }
  [dir="rtl"] .nav-cat-menu{padding:0 14px 0 0}
  .nav-cat summary{justify-content:space-between}
}