/**
 * Custom Menu Block — Frontend Styles
 *
 * Responsive breakpoints:
 *   .cmb-bp-mobile  → collapses below 480 px
 *   .cmb-bp-tablet  → collapses below 768 px
 *   .cmb-bp-desktop → collapses below 1024 px
 */

/* -----------------------------------------------------------------------
   Base / Reset
----------------------------------------------------------------------- */
.cmb-nav-menu *,
.cmb-nav-menu *::before,
.cmb-nav-menu *::after {
    box-sizing: border-box;
}

.cmb-nav-menu {
    --cmb-color-bg:       transparent;
    --cmb-color-text:     inherit;
    --cmb-color-hover-bg: rgba(0, 0, 0, 0.06);
    --cmb-color-border:   rgba(0, 0, 0, 0.1);
    --cmb-color-toggle:   #1e1e1e;
    --cmb-radius:         4px;
    --cmb-font-size:      1rem;
    --cmb-gap:            0.25rem;

    position: relative;
    font-size: var(--cmb-font-size);
}

/* -----------------------------------------------------------------------
   Toggle Button (hamburger)
----------------------------------------------------------------------- */
.cmb-toggle {
    display: none;
    align-items: center;
    gap: 0;
    padding: 0.4em;
    background: none;
    border: none;
    border-radius: var(--cmb-radius);
    cursor: pointer;
    color: var(--cmb-color-toggle);
    font-size: var(--cmb-font-size);
    line-height: 1;
}

.cmb-toggle-text {
    display: none;
}

.cmb-toggle:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.cmb-toggle-icon {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 20px;
}

.cmb-toggle-icon span {
    display: block;
    height: 2px;
    width: 100%;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Animated X when open */
.cmb-nav-menu.is-open .cmb-toggle-icon span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.cmb-nav-menu.is-open .cmb-toggle-icon span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.cmb-nav-menu.is-open .cmb-toggle-icon span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* -----------------------------------------------------------------------
   Menu List — base + layout variants
----------------------------------------------------------------------- */
.cmb-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--cmb-gap);
    align-items: center;
    background-color: var(--cmb-color-bg);
}

/* Inline layout (default) — items sit side by side */
.cmb-layout-inline .cmb-menu-list {
    flex-direction: row;
}

/* Stacked layout — each item on its own full-width row */
.cmb-layout-stack .cmb-menu-list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0;
}

.cmb-layout-stack .cmb-menu-item {
    width: 100%;
    border-bottom: 1px solid var(--cmb-color-border);
}

.cmb-layout-stack .cmb-menu-item:last-child {
    border-bottom: none;
}

.cmb-layout-stack .cmb-menu-item > a {
    padding: 0.6em 1em;
    border-radius: 0;
    white-space: normal;
}

.cmb-menu-item {
    position: relative;
    display: flex;
    align-items: stretch;
}

.cmb-menu-item > a {
    display: flex;
    align-items: center;
    padding: 0.5em 0.75em;
    color: var(--cmb-color-text);
    text-decoration: none;
    border-radius: var(--cmb-radius);
    white-space: nowrap;
    transition: background-color 0.15s ease;
}

.cmb-menu-item > a:hover,
.cmb-menu-item > a:focus-visible {
    background-color: var(--cmb-color-hover-bg);
    text-decoration: none;
}

/* Sub-menu toggle button — sits adjacent to the <a>, never inside it */
.cmb-submenu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.3em 0.4em;
    margin: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--cmb-color-text);
    border-radius: var(--cmb-radius);
    transition: background-color 0.15s ease;
    line-height: 1;
}

.cmb-submenu-toggle:hover,
.cmb-submenu-toggle:focus-visible {
    background-color: var(--cmb-color-hover-bg);
    outline: none;
}

.cmb-submenu-toggle:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.cmb-submenu-arrow {
    font-size: 1em;
    line-height: 1;
    transition: transform 0.2s ease;
    display: inline-block;
    pointer-events: none;
}

/* -----------------------------------------------------------------------
   Sub-menus (dropdowns)
----------------------------------------------------------------------- */
.cmb-submenu {
    list-style: none;
    margin: 0;
    padding: 0.25rem 0;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: #fff;
    border: 1px solid var(--cmb-color-border);
    border-radius: var(--cmb-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
    z-index: 999;
}

.cmb-has-children:hover > .cmb-submenu,
.cmb-has-children:focus-within > .cmb-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
}

/* Arrow rotates when its parent item is hovered/focused.
   The arrow lives inside .cmb-submenu-toggle (adjacent to <a>), not inside <a>. */
.cmb-has-children:hover > .cmb-submenu-toggle .cmb-submenu-arrow,
.cmb-has-children:focus-within > .cmb-submenu-toggle .cmb-submenu-arrow {
    transform: rotate(180deg);
}

.cmb-submenu .cmb-menu-item > a {
    padding: 0.45em 1em;
    border-radius: 0;
    white-space: nowrap;
}

/* -----------------------------------------------------------------------
   Always-Expanded mode — all sub-items show permanently in document flow.
   Applied via the cmb-always-expanded class on the nav element.
   No toggle buttons are rendered by PHP in this mode.
----------------------------------------------------------------------- */
.cmb-always-expanded .cmb-submenu {
    /* Remove all dropdown behaviour */
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
    /* Remove dropdown chrome */
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: transparent;
    padding: 0;
    /* Indent children under their parent */
    padding-left: 1em;
    min-width: 0;
}

/* Child links — tighter, inherit parent font size */
.cmb-always-expanded .cmb-submenu .cmb-menu-item > a {
    padding: 0.3em 0.5em;
    font-size: 0.9em;
    opacity: 0.8;
    border-radius: 0;
    white-space: normal;
}

.cmb-always-expanded .cmb-submenu .cmb-menu-item > a:hover,
.cmb-always-expanded .cmb-submenu .cmb-menu-item > a:focus-visible {
    opacity: 1;
    background-color: var(--cmb-color-hover-bg);
}

/* Suppress hover/focus submenu rules that don't apply */
.cmb-always-expanded .cmb-has-children:hover > .cmb-submenu,
.cmb-always-expanded .cmb-has-children:focus-within > .cmb-submenu {
    transform: none;
    transition: none;
}

/* -----------------------------------------------------------------------
   Drop-Up mode — submenus open above the parent item instead of below.
   Applied via the cmb-drop-up class on the nav element.
----------------------------------------------------------------------- */

/* Flip desktop submenus upward */
.cmb-drop-up .cmb-submenu {
    top: auto;
    bottom: 100%;
    transform: translateY(-4px);
    transform-origin: bottom center;
}

.cmb-drop-up .cmb-has-children:hover > .cmb-submenu,
.cmb-drop-up .cmb-has-children:focus-within > .cmb-submenu {
    transform: translateY(0);
}

/* Flip the submenu arrow so it points upward by default */
.cmb-drop-up .cmb-submenu-arrow {
    transform: rotate(180deg);
}

.cmb-drop-up .cmb-has-children:hover > .cmb-submenu-toggle .cmb-submenu-arrow,
.cmb-drop-up .cmb-has-children:focus-within > .cmb-submenu-toggle .cmb-submenu-arrow,
.cmb-drop-up .cmb-has-children.submenu-open > .cmb-submenu-toggle .cmb-submenu-arrow {
    transform: rotate(0deg);
}

/* Drop-up mobile panel — panel grows upward (position set by JS via 'bottom') */
.cmb-drop-up.is-collapsed .cmb-menu-list {
    top: auto;
    border-top: none;
    border-bottom: 1px solid var(--cmb-color-border);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.12);
    /* 'bottom' is written by frontend.js via getBoundingClientRect */
}

/* -----------------------------------------------------------------------
   Collapsed (mobile) shared styles — applied by JS via is-collapsed class
----------------------------------------------------------------------- */
.cmb-nav-menu.is-collapsed {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.cmb-nav-menu.is-collapsed .cmb-toggle {
    display: inline-flex;
}

.cmb-nav-menu.is-collapsed .cmb-menu-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    /*
     * Position is set to fixed by frontend.js so the dropdown always
     * anchors to the real viewport left edge (left: offsetX, top: navBottom + offsetY).
     * The CSS here just provides fallback stacking and visual style.
     */
    position: fixed;
    left: 0;
    top: auto;
    width: 100vw;
    background: #fff;
    border-top: 1px solid var(--cmb-color-border);
    border-bottom: 1px solid var(--cmb-color-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 9999;
    /* Smooth open animation */
    transition: opacity 0.15s ease, transform 0.15s ease;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
}

.cmb-nav-menu.is-collapsed.is-open .cmb-menu-list {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.cmb-nav-menu.is-collapsed .cmb-menu-item {
    width: 100%;
    border-bottom: 1px solid var(--cmb-color-border);
}

.cmb-nav-menu.is-collapsed .cmb-menu-item:last-child {
    border-bottom: none;
}

.cmb-nav-menu.is-collapsed .cmb-menu-item > a {
    flex: 1;
    padding: 0.65em 1em;
    border-radius: 0;
}

.cmb-nav-menu.is-collapsed .cmb-submenu-toggle {
    padding: 0.65em 0.75em;
    border-radius: 0;
    border-left: 1px solid var(--cmb-color-border);
}

/* Inline sub-menus when collapsed */
.cmb-nav-menu.is-collapsed .cmb-submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-top: 1px solid var(--cmb-color-border);
    border-radius: 0;
    display: none;
    width: 100%;
    padding: 0;
}

.cmb-nav-menu.is-collapsed .cmb-has-children.submenu-open > .cmb-submenu {
    display: block;
}

.cmb-nav-menu.is-collapsed .cmb-submenu .cmb-menu-item > a {
    padding-left: 2em;
}

/* -----------------------------------------------------------------------
   Responsive breakpoints
   These ONLY control when the hamburger toggle becomes visible.
   All collapsed-layout behaviour is handled by the JS-applied
   `.is-collapsed` class so the logic lives in one place.
----------------------------------------------------------------------- */

/* Mobile: show toggle below 480 px */
@media (max-width: 479px) {
    .cmb-nav-menu.cmb-bp-mobile .cmb-toggle {
        display: inline-flex;
    }
}

/* Tablet: show toggle below 768 px */
@media (max-width: 767px) {
    .cmb-nav-menu.cmb-bp-tablet .cmb-toggle {
        display: inline-flex;
    }
}

/* Desktop: show toggle below 1024 px */
@media (max-width: 1023px) {
    .cmb-nav-menu.cmb-bp-desktop .cmb-toggle {
        display: inline-flex;
    }
}