/* @spec-kitty/html-js — sk-nav-pill-drawer: hamburger trigger + collapsible drawer */
/* Import this file IN ADDITION TO sk-nav-pill.css for responsive/collapsible nav behaviour. */
/* Requires: sk-nav-pill.css (base pill layout must be loaded first) */
/* JS dependency: skToggleDrawer() from sk-nav-pill.js must be wired to the hamburger button */

/* ── Collapsed / hamburger button (mobile) ─────────────────────────────── */

.sk-nav-pill__hamburger {
  display: none; /* hidden on desktop; shown via media query */
  width: 44px;
  height: 44px;
  border-radius: var(--sk-radius-pill);
  background: var(--sk-surface-input);
  color: var(--sk-fg-muted);
  border: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    color var(--sk-motion-duration-fast) var(--sk-motion-ease-out),
    background-color var(--sk-motion-duration-fast) var(--sk-motion-ease-out),
    box-shadow var(--sk-motion-duration-base) var(--sk-motion-ease-out),
    transform var(--sk-motion-duration-base) var(--sk-motion-ease-out);
}

.sk-nav-pill__hamburger svg {
  width: 18px;
  height: 18px;
}

/* Hover accent variants — matching reference is-hover-* classes */
.sk-nav-pill__hamburger:hover {
  color: var(--sk-color-yellow);
  background: var(--sk-color-yellow-alpha-15);
  box-shadow:
    0 0 0 var(--sk-border-width-1) var(--sk-color-yellow-alpha-35),
    0 6px 22px -4px var(--sk-color-yellow-alpha-60);
  transform: translateY(-1px);
}

/* Drawer: full-width nav shown when hamburger is active */
.sk-nav-pill__drawer {
  display: none;
  flex-direction: column;
  gap: var(--sk-space-1);
  padding: var(--sk-space-3);
  background: var(--sk-surface-card);
  border: var(--sk-border-width-1) solid var(--sk-border-default);
  border-radius: var(--sk-radius-md);
  margin-top: var(--sk-space-2);
  /* Collapse animation */
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition:
    max-height var(--sk-motion-duration-base) var(--sk-motion-ease-out),
    opacity var(--sk-motion-duration-fast) var(--sk-motion-ease-out),
    padding var(--sk-motion-duration-fast) var(--sk-motion-ease-out);
}

.sk-nav-pill__drawer.is-open {
  display: flex;
  max-height: 400px;
  opacity: 1;
  padding: var(--sk-space-3);
}

/* Animated open state */
.sk-nav-pill--has-drawer .sk-nav-pill__hamburger[aria-expanded="true"] {
  color: var(--sk-fg-default);
  background: var(--sk-surface-card);
  box-shadow: 0 0 0 var(--sk-border-width-1) var(--sk-border-default);
}

.sk-nav-pill__drawer .sk-nav-pill__item {
  width: 100%;
  border-radius: var(--sk-radius-sm);
  padding: var(--sk-space-3) var(--sk-space-4);
}

/* Responsive: hide desktop items, show hamburger below 720px */
@media (max-width: 720px) {
  .sk-nav-pill--responsive .sk-nav-pill__items {
    display: none;
  }
  .sk-nav-pill--responsive .sk-nav-pill__hamburger {
    display: inline-flex;
  }
}