/**
 * mod_vertical_megamenu — CSS
 * Joomla 5 | Bootstrap 5 | White theme | Green accent #2f7a2e
 */

/* =========================================================
   CUSTOM PROPERTIES
   ========================================================= */
.vertical-megamenu {
    --vmm-menu-width: 260px;
    --vmm-mega-width: 750px;

    /* Sidebar */
    --vmm-bg:           #ffffff;
    --vmm-bg-hover:     #f0f7f0;
    --vmm-text:         #1a1a1a;
    --vmm-text-hover:   #2f7a2e;
    --vmm-accent:       #2f7a2e;
    --vmm-border:       #e4e4e4;
    --vmm-separator:    #aaaaaa;

    /* Mega panel */
    --vmm-mega-bg:         #ffffff;
    --vmm-mega-text:       #1a1a1a;
    --vmm-mega-text-hover: #2f7a2e;
    --vmm-mega-border:     #ebebeb;
    --vmm-mega-hover-bg:   #f0f7f0;

    /* Badge */
    --vmm-badge-bg:   #2f7a2e;
    --vmm-badge-text: #ffffff;

    /* Level 3 flyout */
    --vmm-l3-bg:         #ffffff;
    --vmm-l3-border:     #e0e0e0;
    --vmm-l3-shadow:     0 4px 20px rgba(0,0,0,0.10);
    --vmm-l3-text:       #333333;
    --vmm-l3-text-hover: #2f7a2e;

    /* Geometry */
    --vmm-item-h: 30px;
    --vmm-radius: 6px;

    /* Animation */
    --vmm-speed: 180ms;
    --vmm-ease:  cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --vmm-font-size:     0.925rem;
    --vmm-sub-font-size: 0.875rem;
    --vmm-l3-font-size:  0.825rem;
}

/* =========================================================
   RESET
   ========================================================= */
.vertical-megamenu *,
.vertical-megamenu *::before,
.vertical-megamenu *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* =========================================================
   WRAPPER
   ========================================================= */
.vertical-megamenu {
    position: relative;
    width: var(--vmm-menu-width);
    font-size: var(--vmm-font-size);
    background: var(--vmm-bg);
    border: 1px solid var(--vmm-border);
    border-radius: var(--vmm-radius);
    overflow: visible;
    user-select: none;
    z-index: 100;
}

/* =========================================================
   MAIN LIST
   ========================================================= */
.vmm-list {
    list-style: none;
    width: 100%;
    padding: 4px 0;
}

/* =========================================================
   LIST ITEM
   ========================================================= */
.vmm-item {
    position: static;
}

.vmm-item.separator > .vmm-link {
    pointer-events: none;
    cursor: default;
    color: var(--vmm-separator);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    height: auto;
    padding: 12px 16px 4px;
    border-left-color: transparent !important;
    background: transparent !important;
}

/* =========================================================
   LEVEL 1 LINK
   icon | title(flex:1) | badge | arrow
   ========================================================= */
.vmm-link {
    display: flex;
    align-items: center;
    gap: 8px;
    height: var(--vmm-item-h);
    padding: 0 12px 0 16px;
    color: var(--vmm-text);
    text-decoration: none;
    line-height: 1;
    border-left: 3px solid transparent;
    transition:
        background        var(--vmm-speed) var(--vmm-ease),
        color             var(--vmm-speed) var(--vmm-ease),
        border-left-color var(--vmm-speed) var(--vmm-ease);
}

.vmm-link:hover,
.vmm-item:hover     > .vmm-link,
.vmm-item.mega-open > .vmm-link {
    background: var(--vmm-bg-hover);
    color: var(--vmm-text-hover);
    border-left-color: var(--vmm-accent);
}

.vmm-item.active > .vmm-link,
.vmm-link.current {
    color: var(--vmm-accent);
    border-left-color: var(--vmm-accent);
    font-weight: 600;
}

.vmm-title {
    flex: 1 1 auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* =========================================================
   ICON & IMAGE
   ========================================================= */
.vmm-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--vmm-accent);
}
.vmm-icon svg { width: 100%; height: 100%; }

.vmm-img {
    width: 18px;
    height: 18px;
    object-fit: contain;
    flex-shrink: 0;
}

/* =========================================================
   ARROW — always at far right
   ========================================================= */
.vmm-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    margin-left: auto;
    color: #bbbbbb;
    transition:
        color     var(--vmm-speed) var(--vmm-ease),
        transform var(--vmm-speed) var(--vmm-ease);
}

.vmm-item:hover     > .vmm-link .vmm-arrow,
.vmm-item.mega-open > .vmm-link .vmm-arrow {
    color: var(--vmm-accent);
    transform: translateX(2px);
}

/* =========================================================
   BADGE
   ========================================================= */
.vmm-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    border-radius: 20px;
    background: var(--vmm-badge-bg);
    color: var(--vmm-badge-text);
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.4;
    flex-shrink: 0;
}
.vmm-badge--sm { padding: 1px 6px; font-size: 0.63rem; }
.vmm-badge--xs { padding: 1px 5px; font-size: 0.58rem; }

/* =========================================================
   MEGA PANEL

   KEY RULES:
   - position: absolute, left = sidebar width
   - top is set by JS (aligned to hovered item, shifted up if overflow)
   - width: auto — fits content, no empty space
   - NO min-height — panel is exactly as tall as its content
   - A transparent pseudo-element bridges the gap between
     sidebar and panel so mouse travel doesn't lose hover
   ========================================================= */
.vmm-mega-panel {
    display: none;
    position: absolute;
    /* top: set dynamically by JS */
    left: calc(var(--vmm-menu-width) - 1px); /* -1px to overlap border */
    width: auto;
    min-width: 220px;
    max-width: var(--vmm-mega-width);
    height: auto;           /* fit content exactly */
    background: var(--vmm-mega-bg);
    border: 1px solid var(--vmm-mega-border);
    border-radius: 0 var(--vmm-radius) var(--vmm-radius) var(--vmm-radius);
    box-shadow: 6px 4px 20px rgba(0,0,0,0.08);
    z-index: 200;
    opacity: 0;
    transform: translateX(-4px);
    transition:
        opacity   var(--vmm-speed) var(--vmm-ease),
        transform var(--vmm-speed) var(--vmm-ease);
    pointer-events: none;
}

/* Transparent bridge: fills the gap between sidebar right edge and panel */
/* Prevents mouseLeave firing when cursor crosses the 1px border gap */
.vmm-mega-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: -12px;    /* extends 12px to the left, into the sidebar gap */
    width: 12px;
    height: 100%;
    background: transparent;
}

.vmm-item.mega-open > .vmm-mega-panel {
    display: block;
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

/* =========================================================
   MEGA INNER
   ========================================================= */
.vmm-mega-inner {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 0;
}

/* =========================================================
   MEGA COLUMNS — sized to content
   ========================================================= */
.vmm-mega-column {
    flex: 0 0 auto;
    min-width: 150px;
    padding-right: 24px;
}
.vmm-mega-column:last-child {
    padding-right: 0;
}
.vmm-mega-column:not(:last-child) {
    border-right: 1px solid var(--vmm-mega-border);
    margin-right: 24px;
}

/* =========================================================
   LEVEL 2 SUB ITEMS
   ========================================================= */
.vmm-sub-list { list-style: none; }

.vmm-sub-item {
    position: relative;
    line-height: 1;
}

.vmm-sub-link {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 7px 8px;
    color: var(--vmm-mega-text);
    text-decoration: none;
    font-size: var(--vmm-sub-font-size);
    border-radius: 4px;
    white-space: nowrap;
    transition:
        color      var(--vmm-speed) var(--vmm-ease),
        background var(--vmm-speed) var(--vmm-ease);
}

.vmm-sub-link:hover,
.vmm-sub-item.active  > .vmm-sub-link,
.vmm-sub-item.current > .vmm-sub-link {
    color: var(--vmm-mega-text-hover);
    background: var(--vmm-mega-hover-bg);
}

.vmm-sub-title { flex: 1 1 auto; }

/* Chevron for items with level-3 children */
.vmm-sub-item.has-l3 > .vmm-sub-link::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-right: 1.5px solid currentColor;
    border-top: 1.5px solid currentColor;
    transform: rotate(45deg);
    margin-left: 6px;
    opacity: 0.45;
    flex-shrink: 0;
    transition: opacity var(--vmm-speed) var(--vmm-ease);
}
.vmm-sub-item.has-l3:hover > .vmm-sub-link::after {
    opacity: 1;
}

/* =========================================================
   LEVEL 3 — FLYOUT RIGHT from sub-item
   ========================================================= */
.vmm-level3 {
    display: none;
    position: absolute;
    top: -6px;
    left: 100%;
    min-width: 180px;
    background: var(--vmm-l3-bg);
    border: 1px solid var(--vmm-l3-border);
    border-radius: var(--vmm-radius);
    box-shadow: var(--vmm-l3-shadow);
    z-index: 300;
    list-style: none;
    padding: 6px 0;
    opacity: 0;
    transform: translateX(-4px);
    transition:
        opacity   var(--vmm-speed) var(--vmm-ease),
        transform var(--vmm-speed) var(--vmm-ease);
    pointer-events: none;
}

.vmm-sub-item.has-l3:hover > .vmm-level3 {
    display: block;
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.vmm-level3-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 14px;
    color: var(--vmm-l3-text);
    text-decoration: none;
    font-size: var(--vmm-l3-font-size);
    white-space: nowrap;
    transition:
        color      var(--vmm-speed) var(--vmm-ease),
        background var(--vmm-speed) var(--vmm-ease);
}
.vmm-level3-link:hover,
.vmm-level3-item.current > .vmm-level3-link {
    color: var(--vmm-l3-text-hover);
    background: var(--vmm-mega-hover-bg);
}

/* =========================================================
   MOBILE — DRILL-DOWN PANEL (≤ 768px)
   ========================================================= */
@media (max-width: 768px) {

    /* The nav wrapper becomes a fixed-height clipping container */
    .vertical-megamenu {
        --vmm-item-h: 36px;          /* compact rows on mobile */
        --vmm-font-size: 0.875rem;   /* slightly smaller text */
        width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
        overflow: hidden; /* clip the sliding panels */
        position: relative;
    }

    /* ---- Drill-down shell ---- */
    /* All "screens" (root list + mega panels) stack side by side
       inside .vmm-drilldown-shell which slides left/right */
    .vmm-drilldown-shell {
        display: flex;
        flex-direction: row;
        width: 100%;
        transition: transform 280ms cubic-bezier(0.4, 0, 0.2, 1);
        will-change: transform;
    }

    /* Each screen takes full width — scrollable for long menus */
    .vmm-drilldown-screen {
        flex: 0 0 100%;
        width: 100%;
        min-width: 100%;
        max-height: 70vh;      /* never taller than 70% of viewport */
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }

    /* Root list screen: no extra rules */

    /* ---- Back button at top of sub-screens ---- */
    .vmm-mobile-back {
        display: flex;
        align-items: center;
        gap: 8px;
        width: 100%;
        padding: 0 16px;
        height: 40px;
        background: var(--vmm-bg-hover);
        border: none;
        border-bottom: 1px solid var(--vmm-border);
        color: var(--vmm-accent);
        font-size: var(--vmm-font-size);
        font-weight: 600;
        cursor: pointer;
        text-align: left;
    }
    .vmm-mobile-back svg {
        flex-shrink: 0;
    }

    /* ---- Section title (the parent item name) ---- */
    .vmm-mobile-section-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        min-height: 48px;
        padding: 10px 16px;
        font-size: 0.875rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: var(--vmm-text);
        text-decoration: none;
        background: var(--vmm-bg);
        border-bottom: 1px solid var(--vmm-mega-border);
        margin-bottom: 0;
    }

    .vmm-mobile-section-title__text {
        flex: 1 1 auto;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .vmm-mobile-section-title__action {
        flex: 0 0 auto;
        font-size: 0.625rem;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--vmm-accent);
        white-space: nowrap;
    }

    .vmm-mobile-section-title__icon {
        flex-shrink: 0;
        color: var(--vmm-accent);
    }

    /* ---- All drill panels absolutely hidden by default ----
       They are shown by moving .vmm-drilldown-shell */
    .vmm-mega-panel {
        /* reset desktop absolute positioning */
        position: static !important;
        left: auto !important;
        top: auto !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        height: auto !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        border: none !important;
        background: var(--vmm-mega-bg);
        transform: none !important;
        opacity: 1 !important;
        display: none !important;   /* hidden — JS clones content into drill-down screens */
        pointer-events: auto;
        padding: 0;
    }
    .vmm-mega-panel::before { display: none; }

    .vmm-mega-inner {
        flex-direction: column;
        padding: 0;
        gap: 0;
    }

    .vmm-mega-column {
        width: 100%;
        min-width: 0;
        padding-right: 0 !important;
        border-right: none !important;
        margin-right: 0 !important;
    }
    .vmm-mega-column:not(:last-child) {
        border-bottom: 1px solid var(--vmm-mega-border);
        padding-bottom: 4px;
        margin-bottom: 4px;
    }

    /* Sub-links full width */
    .vmm-sub-link {
        padding: 7px 14px;
        font-size: var(--vmm-font-size);
        border-radius: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        position: relative;
    }

    /* Arrow on level-1 items: point right */
    .vmm-arrow {
        transform: none;
        color: #bbb;
    }
    /* Rotate when open — not used in drill-down but keep neutral */
    .vmm-item.mega-open > .vmm-link .vmm-arrow {
        transform: none;
        color: var(--vmm-accent);
    }

    /* Level-3 — JS sets inline style.display to control visibility.
       No !important here so JS inline style always wins. */
    .vmm-level3 {
        position: static;
        opacity: 1;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        pointer-events: auto;
    }
    /* Disable CSS :hover on mobile — JS handles everything */
    .vmm-sub-item.has-l3:hover > .vmm-level3 { display: none; }

    /* Level-3 links */
    .vmm-level3-link {
        padding: 2px 16px;
        font-size: var(--vmm-font-size);
        border-radius: 0;
    }

    /* Chevron for sub-items that have L3 */
    .vmm-sub-item.has-l3 > .vmm-sub-link::after {
        border-right-width: 2px;
        border-top-width: 2px;
        /* On mobile the drill-down click UX doesn't rely on :hover,
           so keep the chevron clearly visible. */
        opacity: 1;
        position: absolute;
        right: 14px;
        top: 50%;
        margin-left: 0;
        /* Keep original 45deg rotation, but also vertically center */
        transform: translateY(-50%) rotate(45deg);
    }

    /* Allow the title text to shrink so the chevron remains visible */
    .vmm-sub-title {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* =========================================================
   TABLET (769–1100px)
   ========================================================= */
@media (min-width: 769px) and (max-width: 1100px) {
    .vertical-megamenu { --vmm-mega-width: 520px; }
    .vmm-mega-inner { padding: 14px 16px; }
}

/* =========================================================
   FOCUS / ACCESSIBILITY
   ========================================================= */
.vmm-link:focus-visible,
.vmm-sub-link:focus-visible,
.vmm-level3-link:focus-visible {
    outline: 2px solid var(--vmm-accent);
    outline-offset: -2px;
    border-radius: 4px;
}

/* =========================================================
   PRINT
   ========================================================= */
@media print {
    .vmm-mega-panel,
    .vmm-level3 { display: none !important; }
}