/* ==========================================================================
   Terrapix Brand Manual — layout (aura pozadí, header pill, app grid, drawer)
   ========================================================================== */

/* --- Aura pozadí (max 3 bloby, pauza pod reduced-motion přes base.css) ----- */
.aura-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.aura-bg .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}
.aura-bg .b-violet {
  width: 46vw; height: 46vw;
  top: -14vw; right: -10vw;
  background: rgba(140, 74, 190, 0.18);
  animation: blob-drift 28s ease-in-out infinite alternate;
}
.aura-bg .b-magma {
  width: 34vw; height: 34vw;
  bottom: -10vw; left: -8vw;
  background: rgba(254, 134, 46, 0.13);
  animation: blob-drift 34s ease-in-out infinite alternate-reverse;
}
.aura-bg .b-bio {
  width: 26vw; height: 26vw;
  top: 42vh; left: 40vw;
  background: rgba(91, 254, 173, 0.12);
  animation: blob-drift 40s ease-in-out infinite alternate;
}
@keyframes blob-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(4vw, -3vh) scale(1.12); }
}

/* --- Plovoucí glass pill header -------------------------------------------- */
.header-wrap {
  position: sticky;
  top: 16px;
  z-index: 50;
  max-width: var(--shell-max);
  margin: 16px auto 0;
  padding: 0 36px;
}
.site-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--header-h);
  padding: 10px 14px 10px 20px;
  background: rgba(255, 255, 255, 0.45);
  -webkit-backdrop-filter: blur(40px) saturate(140%);
  backdrop-filter: blur(40px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.12),
              inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}
.site-header .spacer { flex: 1; }

/* --- App grid: sidebar / obsah / rail ---------------------------------------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--rail-w);
  gap: var(--space-7);
  align-items: start;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: var(--space-7) 36px var(--space-9);
}

.sidebar,
.rail {
  position: sticky;
  top: calc(var(--header-h) + 40px);
  max-height: calc(100vh - var(--header-h) - 64px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border-medium) transparent;
}
.sidebar::-webkit-scrollbar,
.rail::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb,
.rail::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-pill);
}

.content { min-width: 0; }

/* --- Backdrop (drawer + search) ------------------------------------------------ */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(30, 0, 48, 0.4);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

/* --- Hamburger je viditelný jen na mobilu ----------------------------------------- */
.site-header .js-menu { display: none; }

/* --- Breakpointy --------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .app { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .rail { display: none; }
}

@media (max-width: 1024px) {
  .app { grid-template-columns: minmax(0, 1fr); }

  .site-header .js-menu {
    display: inline-flex;
    flex: none;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 80;
    width: min(320px, 86vw);
    max-height: none;
    height: 100dvh;
    padding: var(--space-5);
    background: rgba(248, 248, 248, 0.92);
    -webkit-backdrop-filter: blur(40px) saturate(140%);
    backdrop-filter: blur(40px) saturate(140%);
    border-right: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow-3);
    transform: translateX(-105%);
    transition: transform 0.3s var(--ease);
  }
  body.drawer-open .sidebar { transform: translateX(0); }
  body.drawer-open { overflow: hidden; }
}

@media (max-width: 640px) {
  .header-wrap { padding: 0 20px; }
  .app { padding-left: 20px; padding-right: 20px; }

  /* Kompaktní header: verze pryč, hledání jen jako ikona */
  .ver-pill { display: none; }
  .search-trigger .search-label,
  .search-trigger kbd { display: none; }
  .search-trigger { padding: 11px; }
}