/* ══════════════════════════════════════════════════════
   JANE'S HOME - Overlay System
   Ported from LiveWell Hub's base.html (2026-04-19).
   Palette uses Home's :root tokens — #1a1a1f bg, amber accent.
   ══════════════════════════════════════════════════════ */

#overlay-stack {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  left: 48px; /* Home's collapsed sidebar width */
  z-index: 2000;
  pointer-events: none;
}
#overlay-stack:empty { display: none; }

.overlay-backdrop {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.4);
  pointer-events: auto;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.overlay-backdrop.visible { opacity: 1; }
.overlay-backdrop:not(.visible) { pointer-events: none !important; }

.overlay-panel {
  position: absolute;
  top: 8px; right: 8px; bottom: 8px;
  width: calc(100% - 16px);
  background: var(--bg, #1a1a1f);
  border-radius: 12px;
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
  display: flex; flex-direction: column;
  pointer-events: auto;
  transform: translateX(calc(100% + 16px));
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  overflow: hidden;
}
.overlay-panel.open { transform: translateX(0); }
.overlay-panel.stacked { width: calc(100% - 56px); right: 8px; }
.overlay-panel:not(.open) { pointer-events: none !important; }

.overlay-topbar {
  height: 44px;
  background: rgba(22, 22, 27, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}
.overlay-topbar-left {
  display: flex; align-items: center; gap: 0;
}
.overlay-title {
  font-size: 0.875rem; font-weight: 700; letter-spacing: 0.02em;
  color: var(--text-1, #e2dfda); text-transform: uppercase; margin-right: 24px;
}
.overlay-tabs {
  display: flex; gap: 4px; align-items: center;
  border-left: 1px solid var(--border, rgba(255,255,255,0.08));
  padding-left: 20px;
}
.overlay-tabs:empty { border: none; padding: 0; }
.overlay-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-3, #747069); padding: 6px 10px;
  font-size: 1.125rem; line-height: 1;
  border-radius: 5px;
  transition: all 0.15s;
}
.overlay-close:hover {
  color: var(--text-1, #e2dfda);
  background: rgba(255,255,255,0.06);
}
.overlay-back {
  display: none;
  align-items: center;
  background: none; border: none;
  color: var(--amber, #d4b478);
  font-size: 1.125rem; cursor: pointer;
  padding: 4px 8px 4px 0;
  margin-right: 4px;
  -webkit-tap-highlight-color: transparent;
}

.overlay-content {
  flex: 1; overflow-y: auto;
  padding: 0.5rem 1.5rem 1rem;
  width: 100%;
  box-sizing: border-box;
}

/* ── Flash toasts ── */
#flash-toasts {
  position: fixed;
  top: 16px; right: 16px;
  z-index: 9000;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.flash-toast {
  background: var(--bg-2, #212127);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-left: 3px solid var(--amber, #d4b478);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.875rem;
  color: var(--text-1, #e2dfda);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  pointer-events: auto;
  max-width: 380px;
}
.flash-toast.toast-error { border-left-color: var(--red, #d48a8a); }
.flash-toast.toast-success { border-left-color: var(--green, #a4b89c); }
.flash-toast.toast-warning { border-left-color: var(--amber, #d4b478); }

/* ── Mobile ── */
@media (max-width: 768px) {
  #overlay-stack { left: 0; }
  .overlay-panel { width: 100vw !important; max-width: 100vw !important; border-radius: 0; top: 0; right: 0; bottom: 0; }
  .overlay-panel.stacked { width: 100vw; }
  .overlay-back { display: flex; }
}