/* ══════════════════════════════════════════════════════════════
   Delta Efficiency — Dark Mode Toggle Button
   Shared across front-end, admin, and portal layouts.
   Button is fixed bottom-left, clear of the WhatsApp float
   (bottom-right) and sticky CTA bar (bottom).
   ══════════════════════════════════════════════════════════════ */

/* ── Floating toggle button ───────────────────────────────────── */
#darkModeToggle {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 9100;

  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  cursor: pointer;

  background: #1a1a2e;
  color: #f0e68c;
  box-shadow: 0 4px 16px rgba(0,0,0,.28), 0 1px 4px rgba(0,0,0,.18);

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 1.2rem;
  line-height: 1;

  transition: background .25s ease, color .25s ease,
              transform .2s cubic-bezier(.34,1.56,.64,1),
              box-shadow .2s ease;

  /* Tooltip via aria-label rendered as CSS */
  outline: none;
}

#darkModeToggle:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 24px rgba(0,0,0,.36);
}

#darkModeToggle:active {
  transform: scale(.94);
}

/* Light mode state — show moon icon, dark background */
#darkModeToggle .dm-icon-moon { display: flex; }
#darkModeToggle .dm-icon-sun  { display: none; }

/* Dark mode state — show sun icon, lighter surface */
[data-theme="dark"] #darkModeToggle {
  background: #1e2130;
  color: #fbbf24;
  box-shadow: 0 4px 16px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.07);
}
[data-theme="dark"] #darkModeToggle .dm-icon-moon { display: none; }
[data-theme="dark"] #darkModeToggle .dm-icon-sun  { display: flex; }

/* ── Tooltip label ────────────────────────────────────────────── */
#darkModeToggle::after {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + .6rem);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;

  background: rgba(15,17,24,.9);
  color: #e2e8f0;
  font-size: .72rem;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  letter-spacing: .02em;
  padding: .3rem .65rem;
  border-radius: 6px;
  pointer-events: none;

  opacity: 0;
  transition: opacity .15s ease;
}

#darkModeToggle:hover::after {
  opacity: 1;
}

/* ── Ripple animation on click ────────────────────────────────── */
@keyframes dm-ripple {
  from { transform: scale(1);   opacity: .35; }
  to   { transform: scale(2.2); opacity: 0;   }
}

#darkModeToggle .dm-ripple {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: currentColor;
  animation: dm-ripple .4s ease-out forwards;
  pointer-events: none;
}

/* ── Responsive: shrink slightly on mobile ────────────────────── */
@media (max-width: 480px) {
  #darkModeToggle {
    width: 42px;
    height: 42px;
    font-size: 1.05rem;
    bottom: 1rem;
    left: 1rem;
  }
  /* Hide tooltip on mobile — not enough room */
  #darkModeToggle::after { display: none; }
}

/* ── Admin layout: nudge up above any bottom pagination bars ──── */
body.admin-body #darkModeToggle,
.admin-body #darkModeToggle {
  bottom: 1.5rem;
}