:root {
  --bottom-nav-h: 58px;
}

#toast-root {
  position: fixed;
  left: 50%;
  bottom: calc(16px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: min(92vw, 420px);
}

body.has-bottom-nav #toast-root {
  bottom: calc(var(--bottom-nav-h) + 20px + env(safe-area-inset-bottom));
}

.app-toast {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(201, 168, 76, 0.35);
  background: rgba(17, 14, 9, 0.95);
  color: #f0e8d8;
  font-size: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.app-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.app-toast--ok { border-color: rgba(45, 212, 191, 0.45); }
.app-toast--err { border-color: rgba(239, 68, 68, 0.45); }

/* ── Bottom navigation (mobile-first) ───────────────── */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  gap: 4px;
  min-height: var(--bottom-nav-h);
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  background: rgba(10, 8, 5, 0.96);
  border-top: 1px solid rgba(201, 168, 76, 0.2);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.bottom-nav a {
  position: relative;
  flex: 1;
  max-width: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 46px;
  padding: 6px 4px;
  border-radius: 12px;
  text-decoration: none;
  color: rgba(240, 232, 216, 0.5);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav a svg {
  display: block;
  width: 22px;
  height: 22px;
  fill: currentColor;
  flex-shrink: 0;
}

.bottom-nav a:hover {
  color: rgba(229, 201, 122, 0.85);
}

.bottom-nav a.active {
  color: #e5c97a;
  background: rgba(201, 168, 76, 0.14);
}

.bottom-nav a.active::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: #c9a84c;
}

body.has-bottom-nav {
  padding-bottom: calc(var(--bottom-nav-h) + 12px + env(safe-area-inset-bottom)) !important;
}

body.has-bottom-nav #wrap {
  padding-bottom: calc(var(--bottom-nav-h) + 24px + env(safe-area-inset-bottom)) !important;
}

body.has-bottom-nav #fab {
  bottom: calc(var(--bottom-nav-h) + 12px + env(safe-area-inset-bottom)) !important;
}

@media (min-width: 900px) {
  .bottom-nav {
    max-width: 480px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 16px 16px 0 0;
    border-left: 1px solid rgba(201, 168, 76, 0.15);
    border-right: 1px solid rgba(201, 168, 76, 0.15);
  }
}