/* ─── Layout — 1:1 match of original MealBuddy ─────────────────────────── */

/* App Shell */
#app {
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

#app[hidden], #screen-auth[hidden] { display: none; }

/* ─── Topbar ──────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  height: calc(var(--topbar-h) + var(--safe-top));
  padding-top: var(--safe-top);
  padding-left: calc(var(--sp-5) + var(--safe-left));
  padding-right: calc(var(--sp-4) + var(--safe-right));
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}

.topbar--scrolled {
  border-bottom-color: var(--surface-glass-border);
  box-shadow: 0 1px 0 rgba(var(--overlay-color), 0.04), 0 2px 16px rgba(var(--overlay-color), 0.07);
}

/* topbar__left — holds title + search overlay */
.topbar__left {
  flex: 1;
  min-width: 0;
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.topbar__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--t-base), transform var(--t-base);
}

/* Search open: slide title out */
.topbar--search-open .topbar__title {
  opacity: 0;
  transform: translateX(-10px);
  pointer-events: none;
}

/* Search wrap: absolute overlay over title area */
.topbar__search-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base);
}

.topbar--search-open .topbar__search-wrap {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.topbar__search-input {
  flex: 1;
  min-width: 0;
  height: 36px;
  background: var(--s2);
  border-radius: var(--r-pill);
  padding: 0 var(--sp-3);
  font-size: 1rem;
  color: var(--ink);
  transition: background var(--t-fast);
  -webkit-tap-highlight-color: transparent;
}
.topbar__search-input:focus {
  background: var(--s3);
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}
.topbar__search-input::placeholder { color: var(--ink-muted); }
.topbar__search-input::-webkit-search-cancel-button,
.topbar__search-input::-webkit-search-decoration { display: none; }

.topbar__search-clear {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--s3);
  color: var(--ink-secondary);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast), background var(--t-fast);
  -webkit-tap-highlight-color: transparent;
}
.topbar__search-clear--visible {
  opacity: 1;
  pointer-events: auto;
}
.topbar__search-clear:hover { background: var(--ink-muted); color: #fff; }
.topbar__search-clear:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}

/* Hide import/new buttons when search is open */
.topbar--search-open .topbar-recipe-aux {
  display: none;
}

/* Filter button active state + badge */
.topbar-filter-btn--active {
  color: var(--clay) !important;
  background: color-mix(in srgb, var(--clay) 12%, transparent) !important;
}
#btn-recipe-filter { position: relative; }
.topbar-filter-badge {
  position: absolute;
  top: 4px; right: 4px;
  min-width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--clay);
  color: #fff;
  font-size: 0.5625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2px;
  pointer-events: none;
  line-height: 1;
}

/* ─── Main Content ────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: calc(var(--bottom-nav-h) + var(--safe-bottom) + var(--sp-4));
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
}

/* Bei offenem Overlay (Modal/Bottom-Sheet) den Hintergrund-Scroller sperren,
   damit auf iOS nichts dahinter durchscrollt. scrollTop bleibt erhalten. */
.main-content.scroll-locked {
  overflow: hidden;
}

/* ─── Bottom Navigation ───────────────────────────────────────────────── */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-top: 1px solid var(--surface-glass-border);
  box-shadow: var(--shadow-nav);
  padding-bottom: var(--safe-bottom);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  height: calc(var(--bottom-nav-h) + var(--safe-bottom));
  transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}
.bottom-nav--keyboard-open {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.bottom-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  color: var(--ink-muted);
  font-size: 0.6875rem;
  font-weight: 500;
  transition: color var(--t-fast);
  padding: var(--sp-2) var(--sp-1);
  min-height: 44px;
}

.bottom-nav__item:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: -2px;
}

.bottom-nav__indicator {
  width: 52px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition: background var(--t-fast);
}

.bottom-nav__item--active {
  color: var(--clay);
}

.bottom-nav__item--active .bottom-nav__indicator {
  background: var(--clay-subtle);
  box-shadow: inset 0 1px 3px rgba(var(--overlay-color), 0.12);
}

.bottom-nav__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ─── View FAB ────────────────────────────────────────────────────────── */
#app.view--fab .main-content {
  padding-bottom: calc(var(--bottom-nav-h) + var(--safe-bottom) + 80px);
}

/* ─── Hidden ──────────────────────────────────────────────────────────── */
[hidden] { display: none !important; }