/* ==========================================================================
   Triple Toggle — Fixed bottom-left pill with theme / locale / audience
   FR-245..FR-249

   Container and layout styles for the triple-toggle now live in
   neoswiss-system.css. This file retains only toggle-button internals
   that are unique to this component.
   ========================================================================== */

/* --- Container pill ----------------------------------------------------- */
triple-toggle {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 45;
  display: flex;
  flex-direction: row;
  gap: 0.35rem;
  padding: 0.35rem;
  /* Reserve the pill box before the custom element upgrades → no appearance CLS. */
  min-width: 144px;
  min-height: 53px;
  box-sizing: border-box;
  background: var(--brand-surface, #1e293b);
  border: 1px solid var(--brand-border, rgba(255,255,255,.08));
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
}

/* Before JS populates it, keep the reserved box invisible (no empty-pill flash). */
triple-toggle:empty {
  background: none;
  border: none;
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

html[data-theme="light"] triple-toggle {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(10, 18, 42, 0.12);
  box-shadow: 0 4px 16px rgba(10, 18, 42, 0.1);
}

/* --- Individual toggle button ----------------------------------------- */
.toggle-btn {
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;

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

  border: 1px solid var(--brand-border, rgba(255,255,255,.08));
  border-radius: 50%;
  background: transparent;
  color: var(--brand-muted, #94a3b8);

  cursor: pointer;
  transition: background 200ms var(--ease, cubic-bezier(.4, 0, .2, 1)),
              color 200ms var(--ease, cubic-bezier(.4, 0, .2, 1)),
              border-color 200ms var(--ease, cubic-bezier(.4, 0, .2, 1)),
              transform 220ms cubic-bezier(.34, 1.56, .64, 1),
              box-shadow 200ms var(--ease, cubic-bezier(.4, 0, .2, 1));

  /* Reset browser defaults */
  padding: 0;
  margin: 0;
  font: inherit;
  line-height: 1;
}

/* Inline Lucide icon — animated independently for micro-interactions */
.toggle-btn svg {
  display: block;
  pointer-events: none;
  transition: transform 240ms cubic-bezier(.34, 1.56, .64, 1);
  transform-origin: center;
}

/* --- Hover state ------------------------------------------------------ */
.toggle-btn:hover {
  background: var(--brand-border, rgba(255,255,255,.08));
  color: var(--brand-text, #f8fafc);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(10, 18, 42, 0.18);
}

/* Per-axis icon micro-interactions on hover (Lucide SVGs) */
.toggle-btn[data-toggle-type="theme"]:hover svg    { transform: rotate(-22deg) scale(1.14); }
.toggle-btn[data-toggle-type="locale"]:hover svg   { transform: rotate(24deg) scale(1.12); }
.toggle-btn[data-toggle-type="audience"]:hover svg { transform: translateY(-1px) scale(1.16); }

/* Tactile press feedback */
.toggle-btn:active {
  transform: translateY(0) scale(0.93);
  box-shadow: 0 2px 6px rgba(10, 18, 42, 0.18);
}
.toggle-btn:active svg { transform: scale(0.86); }

/* --- Active / checked state ------------------------------------------- */
/* Theme-safe active state. Previously color:#fff on var(--brand-surface) — which
   is #ffffff in light mode — so an active button was white-on-white = invisible
   after switching light↔dark. Now: a translucent-gold tint pill + a theme-aware
   icon stroke (dark-navy on the light pill, near-white on the dark pill), driven
   at the svg level so it always wins the cascade and contrasts in both themes. */
.toggle-btn[aria-checked="true"] {
  background: rgba(255, 215, 0, 0.18);
  color: var(--brand-text, #0a122a);
  border-color: rgba(255, 215, 0, 0.45);
}
.toggle-btn[aria-checked="true"] svg {
  stroke: #0a122a;
  color: #0a122a;
}
html[data-theme="dark"] .toggle-btn[aria-checked="true"] svg {
  stroke: #f8fafc;
  color: #f8fafc;
}

/* --- Focus-visible (keyboard accessibility) --------------------------- */
.toggle-btn:focus-visible {
  outline: 2px solid var(--brand-gold, #ffd700);
  outline-offset: 2px;
}

/* --- xs viewport (360px) — ensure no content overlap [T095] ---------- */
@media (max-width: 479px) {
  .toggle-btn {
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
  }
}

/* --- Respect reduced-motion: disable micro-interaction transforms ----- */
@media (prefers-reduced-motion: reduce) {
  .toggle-btn,
  .toggle-btn svg {
    transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
  }
  .toggle-btn:hover,
  .toggle-btn:active,
  .toggle-btn:hover svg,
  .toggle-btn:active svg {
    transform: none;
  }
}