/* ==========================================================================
   Layout — navbar, mobil menü, footer, grid yardımcıları
   ========================================================================== */

/* ---- Navbar (64px, sabit) ---- */
.navbar-ls {
  position: fixed; top: 0; left: 0; right: 0; height: var(--navbar-h); z-index: var(--z-navbar);
  display: flex; align-items: center;
  background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  transition: box-shadow var(--dur) var(--ease);
}
.navbar-ls.scrolled { box-shadow: var(--shadow-sm); }
.navbar-ls .nav-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); width: 100%; }

.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-weight: 800; font-size: var(--fs-xl); flex-shrink: 0; }
.brand .brand-mark {
  width: 36px; height: 36px; flex: 0 0 36px; border-radius: 10px; background: var(--gradient-accent);
  display: grid; place-items: center; color: #fff; font-size: 16px;
}
.brand .brand-word { color: var(--color-text); }
@media (max-width: 575px) { .brand .brand-word { display: none; } }

.nav-cta, .nav-actions { display: flex; align-items: center; gap: var(--space-2); }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-links a, .nav-links .dd-toggle {
  display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 14px;
  border-radius: var(--radius-pill); border: 0; background: transparent; cursor: pointer;
  font-family: var(--font-ui); font-weight: 500; font-size: 15px; color: var(--color-text); position: relative;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.nav-links a:hover, .nav-links .dd-toggle:hover,
.nav-links .has-dropdown.open .dd-toggle { background: var(--color-primary-soft); color: var(--color-primary); }
.nav-links a.active { background: var(--color-primary-soft); color: var(--color-primary); font-weight: 600; }

/* Header dropdown */
.nav-links .has-dropdown { position: relative; }
.nav-links .dd-toggle i { font-size: 11px; transition: transform var(--dur-fast); }
.nav-links .has-dropdown.open .dd-toggle i { transform: rotate(180deg); }
.nav-links .dd-panel {
  position: absolute; left: 50%; top: calc(100% + 8px); transform: translateX(-50%) translateY(-4px);
  min-width: 220px; background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 6px;
  opacity: 0; visibility: hidden; display: flex; flex-direction: column; gap: 2px; z-index: var(--z-dropdown);
  transition: opacity var(--dur-fast), transform var(--dur-fast), visibility var(--dur-fast);
}
.nav-links .has-dropdown.open .dd-panel { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-links .dd-panel a { display: flex; width: 100%; min-height: 40px; padding: 8px 12px; border-radius: var(--radius-sm); font-size: var(--fs-base); text-align: left; }
.nav-links .dd-panel a:hover, .nav-links .dd-panel a.active { background: var(--color-primary-soft); color: var(--color-primary); }

/* Yuvarlak ikon buton (tema, dil, bildirim) */
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-card); color: var(--color-text); display: grid; place-items: center; cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.icon-btn:hover { color: var(--color-primary); border-color: rgba(var(--color-primary-rgb), .5); background: var(--color-primary-soft); }
.nav-toggle { display: none; background: none; border: 0; font-size: 22px; color: var(--color-text); }

/* Dil menüsü */
.lang-menu { position: relative; }
.lang-dropdown {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 180px; z-index: var(--z-dropdown);
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 6px;
  opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity var(--dur-fast), transform var(--dur-fast), visibility var(--dur-fast);
}
.lang-menu.open .lang-dropdown { opacity: 1; visibility: visible; transform: none; }
.lang-dropdown button {
  width: 100%; text-align: left; background: none; border: 0; min-height: 40px; padding: 8px 12px; border-radius: var(--radius-sm);
  display: flex; gap: 10px; align-items: center; color: var(--color-text); font-size: var(--fs-base);
}
.lang-dropdown button:hover { background: var(--color-primary-soft); color: var(--color-primary); }

/* ---- Mobil menü tetikleyici + tam ekran overlay ---- */
.menu-btn {
  display: none; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px; border-radius: var(--radius-pill);
  border: 1px solid var(--color-border); background: var(--color-card); color: var(--color-text);
  font-family: var(--font-ui); font-weight: 600; font-size: var(--fs-base); cursor: pointer;
}
.menu-btn i { font-size: 16px; }

.menu-overlay {
  position: fixed; inset: 0; z-index: var(--z-overlay); display: flex; flex-direction: column;
  padding: calc(var(--space-4) + env(safe-area-inset-top, 0px)) max(var(--space-5), env(safe-area-inset-right, 0px))
           calc(var(--space-6) + env(safe-area-inset-bottom, 0px)) max(var(--space-5), env(safe-area-inset-left, 0px));
  background: var(--color-bg); overscroll-behavior: contain;
  transform: translateX(-100%); opacity: 0; visibility: hidden; overflow-y: auto;
  transition: transform var(--dur-slow) var(--ease), opacity var(--dur) var(--ease), visibility var(--dur-slow);
}
.menu-overlay.open { transform: none; opacity: 1; visibility: visible; }
.menu-overlay .menu-top { display: flex; align-items: center; justify-content: space-between; min-height: 32px; }
.menu-close {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-card); color: var(--color-text); font-size: 18px; cursor: pointer; transition: color var(--dur-fast);
}
.menu-close:hover { color: var(--color-primary); }
.menu-nav { display: flex; flex-direction: column; gap: 2px; margin: var(--space-6) 0; }
.menu-nav a {
  font-family: var(--font-heading); font-weight: 700; font-size: clamp(24px, 6vw, 32px);
  color: var(--color-text); line-height: var(--lh-tight); padding: 10px 0; min-height: var(--control-h);
  display: flex; align-items: center; gap: var(--space-4);
  opacity: 0; transform: translateX(-16px);
}
.menu-overlay.open .menu-nav a { animation: menuItemIn var(--dur-slow) var(--ease) forwards; }
.menu-nav a .idx, .menu-nav .menu-group-hd .idx { font-size: var(--fs-sm); font-family: var(--font-ui); color: var(--color-primary); opacity: .7; font-weight: 700; min-width: 28px; }
.menu-nav a:hover, .menu-nav a.active { color: var(--color-primary); }
.menu-nav a .arrow { margin-left: auto; font-size: 16px; opacity: 0; transition: transform var(--dur-fast), opacity var(--dur-fast); }
.menu-nav a:hover .arrow { transform: translateX(4px); opacity: 1; }
@keyframes menuItemIn { to { opacity: 1; transform: none; } }
.menu-overlay.open .menu-nav a:nth-child(1){animation-delay:.05s}
.menu-overlay.open .menu-nav a:nth-child(2){animation-delay:.10s}
.menu-overlay.open .menu-nav a:nth-child(3){animation-delay:.15s}
.menu-overlay.open .menu-nav a:nth-child(4){animation-delay:.20s}
.menu-overlay.open .menu-nav a:nth-child(5){animation-delay:.25s}
.menu-overlay.open .menu-nav a:nth-child(6){animation-delay:.30s}
.menu-overlay.open .menu-nav a:nth-child(7){animation-delay:.35s}

/* Menü akordeonu */
.menu-nav .menu-group { display: block; }
.menu-nav .menu-group-hd {
  display: flex; align-items: center; gap: var(--space-4); width: 100%; background: transparent; border: 0; cursor: pointer;
  padding: 12px 0; font-family: var(--font-heading); font-weight: 700; font-size: clamp(22px, 5.5vw, 30px);
  color: var(--color-text); text-align: left; border-bottom: 1px solid var(--color-border);
}
.menu-nav .menu-group-hd .chev { margin-left: auto; font-size: 14px; transition: transform var(--dur-fast); }
.menu-nav .menu-group.open .menu-group-hd .chev { transform: rotate(180deg); }
.menu-nav .menu-group-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur) var(--ease); }
.menu-nav .menu-group-body > * { min-height: 0; overflow: hidden; }
.menu-nav .menu-group.open .menu-group-body { grid-template-rows: 1fr; }
.menu-nav .menu-group-body > div { display: flex; flex-direction: column; gap: 2px; padding: 8px 0 12px; }
.menu-nav .menu-group-body .sub-link {
  display: flex; align-items: center; gap: 10px; font-family: var(--font-ui); font-size: var(--fs-md); font-weight: 500;
  min-height: 44px; padding: 8px 16px 8px 44px; color: var(--color-text-soft); opacity: 1; transform: none; animation: none !important;
}
.menu-nav .menu-group-body .sub-link:hover { color: var(--color-primary); }

.menu-foot { display: flex; flex-direction: column; gap: var(--space-4); margin-top: auto; }
.menu-auth { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.menu-auth .btn-ls { flex: 1; min-width: 140px; }
.menu-langs {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: 12px 14px; border-radius: var(--radius-md); border: 1px solid var(--color-border); background: var(--color-card);
}
.menu-langs-label { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-base); color: var(--color-text); font-weight: 500; }
.menu-langs-select {
  flex: 0 1 auto; min-width: 140px; min-height: var(--control-h); padding: 6px 30px 6px 14px; border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong); background: var(--color-bg); color: var(--color-text);
  font-size: 16px; cursor: pointer; appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
@media (max-width: 400px) { .menu-langs { flex-wrap: wrap; } .menu-langs-select { flex: 1 1 100%; } }

/* ---- Back-to-top ---- */
.back-to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: var(--z-dropdown);
  width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary); color: #fff; border: 0;
  display: grid; place-items: center; box-shadow: var(--shadow-md); cursor: pointer;
  opacity: 0; transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur-fast);
}
.back-to-top:not([hidden]) { opacity: 1; transform: none; }
.back-to-top:hover { background: var(--color-primary-hover); }
@media (max-width: 767px) {
  .back-to-top { right: 14px; bottom: calc(env(safe-area-inset-bottom, 0px) + 16px); }
  body.has-tabbar .back-to-top { bottom: calc(var(--tabbar-h) + 12px + env(safe-area-inset-bottom, 0px)); }
  body.editor-active .back-to-top { display: none; }
}

/* ---- Footer ---- */
.footer-ls { background: var(--color-card); border-top: 1px solid var(--color-border); padding: var(--space-7) 0 var(--space-5); margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: var(--space-6); margin-bottom: var(--space-6); }
.footer-col h5 { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .08em; color: var(--color-muted); margin-bottom: var(--space-4); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--color-text); font-size: var(--fs-base); transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--color-primary); }
.footer-about p { color: var(--color-muted); font-size: var(--fs-base); margin: var(--space-3) 0 var(--space-4); max-width: 320px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary-soft); color: var(--color-primary);
  display: grid; place-items: center; transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.footer-social a:hover { background: var(--color-primary); color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap;
  padding-top: var(--space-5); border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: var(--fs-sm);
}
.footer-links { display: inline-flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.footer-links a { color: var(--color-muted); transition: color var(--dur-fast); }
.footer-links a:hover { color: var(--color-primary); }

/* ---- Grid yardımcıları ---- */
.grid-2, .grid-3, .grid-4 { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
@media (min-width: 768px) { .grid-2, .grid-3, .grid-4, .grid-auto { gap: var(--space-5); } }
@media (max-width: 991px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 575px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-5); }
.page-head h1, .page-head h2 { margin: 0; }
.page-head .page-sub { color: var(--color-muted); margin: 4px 0 0; }
.page-head .page-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.toolbar-ls { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-5); }
.toolbar-ls .grow { flex: 1; min-width: min(200px, 100%); }

/* ---- Mobil nav ---- */
@media (max-width: 991px) {
  .navbar-ls .nav-links, .nav-cta { display: none; }
  .menu-btn { display: inline-flex; order: 3; }
  .brand { order: 1; }
  .nav-actions { order: 2; margin-left: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
}
@media (min-width: 992px) { .menu-overlay { display: none !important; } }
@media (max-width: 767px) {
  /* Footer bağlantıları parmak boyunda: 44px satır, boşluk sıfır */
  .footer-col ul { gap: 0; }
  .footer-col a { display: inline-flex; align-items: center; min-height: var(--control-h); }
  .footer-social a {width: var(--control-h);height: var(--control-h);place-content: center;}
  .footer-links a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 4px; }
  .footer-bottom { gap: var(--space-2); }
  .toolbar-ls > .input-ls, .toolbar-ls > .select-ls { flex: 1 1 100%; }
}
@media (max-width: 575px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .page-head { align-items: stretch; flex-direction: column; }
  .page-head .page-actions .btn-ls { flex: 1; }
}

/* ---- Mobil tabbar (giriş yapmış kullanıcı, <768px; JS: components/mobileTabbar.js) ----
   Yükseklik --tabbar-h ile tek kaynaktan: toast, cookie, back-to-top ve içerik
   alt boşluğu bu token'a bağlanır. */
.mobile-tabbar { display: none; }
@media (max-width: 767px) {
  body.has-tabbar #app-content { padding-bottom: calc(var(--tabbar-h) + 12px + env(safe-area-inset-bottom, 0px)); }
  body.has-tabbar .footer-ls { padding-bottom: calc(var(--tabbar-h) + var(--space-5) + env(safe-area-inset-bottom, 0px)); }
  .mobile-tabbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-navbar);
    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); height: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px));
    background: var(--glass-bg); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
    border-top: 1px solid var(--glass-border); box-shadow: var(--shadow-md);
    padding: 8px max(8px, env(safe-area-inset-left)) calc(8px + env(safe-area-inset-bottom, 0px)) max(8px, env(safe-area-inset-right));
  }
  body.has-tabbar .mobile-tabbar { display: grid; }
  .mobile-tabbar a {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; padding: 4px 2px; min-width: 0;
    color: var(--color-muted); font-size: 11px; font-weight: 600; line-height: 1.1; border-radius: var(--radius-md); min-height: 52px;
    transition: color var(--dur-fast), background var(--dur-fast);
  }
  .mobile-tabbar a span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .mobile-tabbar a i { font-size: var(--fs-lg); }
  .mobile-tabbar a.active { color: var(--color-primary); background: var(--color-primary-soft); }
  .mobile-tabbar a.tab-cta {
    color: #fff; background: var(--gradient-accent); position: relative; margin-top: -18px; margin-bottom: 4px;
    border-radius: 50%; width: 56px; height: 56px; min-height: 56px; align-self: center; justify-self: center; box-shadow: var(--shadow-glow); font-size: 0;
  }
  .mobile-tabbar a.tab-cta i { font-size: var(--fs-xl); }
  .mobile-tabbar a.tab-cta span { display: none; }
  .mobile-tabbar a.tab-cta:focus-visible { outline-offset: 3px; }
}

/* Public biolink route (body.public-route): marketing chrome hidden. Kept in
   layout.css so the rule is present even before editor.css is lazy-loaded. */
/* hide marketing chrome on public biolink pages */
body.public-route #navbar-host, body.public-route #footer-host { display: none; }
body.public-route #app-content { padding-top: 0; }
/* Public biolink: alt mobil tab-bar (auth kısayolları) ziyaretçi/gezgin
   modunda görünmemeli — sayfa tam ekran biolink olmalı. */
body.public-route .mobile-tabbar { display: none !important; }
body.public-route #app-content { padding-bottom: 0 !important; }

/* ---- Mobil dokunma hedefleri (global) ---- */
@media (max-width: 767px) {
  .footer-col a,
  .footer-links a,
  .footer-bottom a { min-height: 44px; display: inline-flex; align-items: center; }
  .navbar-ls .nav-actions > * { min-width: 44px; min-height: 44px; }
  .menu-btn { min-width: 44px; min-height: 44px; }
  /* Switch bileşenlerinin gizli input'u (0x0) hariç. */
  input[type="checkbox"]:not(.switch-ls input):not(.switch-sm input),
  input[type="radio"]:not(.switch-ls input) { width: 20px; height: 20px; flex: 0 0 auto; }
  /* Switch etiketleri sabit ölçülüdür; parmak boyu kuralı onları esnetmesin. */
  label:not(.switch-ls):not(.switch-sm):not(.langcard-toggle):has(> input[type="checkbox"]),
  label:not(.switch-ls):not(.switch-sm):has(> input[type="radio"]) {
    min-height: 40px; display: inline-flex; align-items: center; gap: 8px;
  }
}