/**
 * Desktop Navigation + Walker — Pure CSS
 */

/* ── Nav Container ── */
.sh-nav { display: none; align-items: center; justify-content: center; min-width: 0; max-width: 100%; overflow: visible; position: relative; z-index: 10; }
@media (min-width: 1024px) { .sh-nav { display: flex; } }

.sh-nav__list { display: flex; align-items: center; justify-content: center; flex-wrap: nowrap; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
@media (min-width: 1024px) { .sh-nav__list { gap: 0.5rem; } }
@media (min-width: 1280px) { .sh-nav__list { gap: 0.75rem; } }

/* ── Top-Level Nav Item ── */
.sh-nav-item { position: relative; height: 100%; display: flex; align-items: center; }
.sh-nav-item:hover { z-index: 60; }

.sh-nav-item__link {
    padding: 0.5rem;
    font-size: clamp(10px, 0.9vw, 14px);
    padding-left: clamp(4px, 0.5vw, 12px);
    padding-right: clamp(4px, 0.5vw, 12px);
    font-weight: 700;
    color: var(--pi-text-2, #475569);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.125rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    white-space: nowrap;
    transition: color 0.2s;
}

.sh-nav-item__link:hover { color: var(--pi-primary, #007d3d); }

.sh-nav-item__chevron { margin-left: 0.125rem; display: inline-block; transition: transform 0.3s; }
.sh-nav-item:hover .sh-nav-item__chevron { transform: rotate(180deg); }
.sh-nav-item__chevron-icon { width: 0.75rem; height: 0.75rem; opacity: 0.5; }
.sh-nav-item:hover .sh-nav-item__chevron-icon { opacity: 1; }

/* ── Dropdown (Level 2) ── */
.sh-dropdown {
    position: absolute;
    top: 100%;
    background: var(--pi-bg-card, #ffffff);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    border-radius: var(--pi-radius, 0.75rem);
    border: 1px solid var(--pi-border-light, #f1f5f9);
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.5rem);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    z-index: 50;
    overflow: visible;
    text-align: left;
}

.sh-nav-item:hover > .sh-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.sh-dropdown--standard { width: 260px; }
.sh-dropdown--mega { width: 600px; }
.sh-dropdown--left { left: 0; transform-origin: top left; }
.sh-dropdown--right { right: 0; transform-origin: top right; }

.sh-dropdown__list { position: relative; list-style: none; margin: 0; padding: 0; border-radius: var(--pi-radius, 0.75rem); overflow: hidden; }
.sh-dropdown__list--stack { padding: 0.5rem 0; }
.sh-dropdown__list--grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 0.5rem; padding: 0.75rem; }

/* ── Dropdown Item ── */
.sh-dropdown-item { display: block; }
.sh-dropdown-item--bordered { border-bottom: 1px solid var(--pi-border-light, #f1f5f9); }
.sh-dropdown-item--bordered:last-child { border-bottom: none; }

.sh-dropdown-item__link {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pi-text-2, #475569);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: color 0.2s, background-color 0.2s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin: 0.125rem 0.25rem;
}

.sh-dropdown-item__link:hover {
    color: var(--pi-primary, #007d3d);
    background: color-mix(in srgb, var(--pi-primary, #007d3d) 5%, transparent);
}

/* ── Flyout (Level 3+) ── */
.sh-flyout {
    position: absolute;
    top: 0;
    width: 14rem;
    background: var(--pi-bg-card, #ffffff);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 0.5rem;
    border: 1px solid var(--pi-border-light, #f1f5f9);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    z-index: 50;
    padding: 0.5rem 0;
    list-style: none;
    margin: 0;
}

.sh-dropdown-item:hover > .sh-flyout { opacity: 1; visibility: visible; transform: translateX(0); }

.sh-flyout--right { left: 100%; margin-left: 0.25rem; transform-origin: top left; transform: translateX(0.25rem); }
.sh-flyout--left { right: 100%; margin-right: 0.25rem; transform-origin: top right; transform: translateX(-0.25rem); }

/* ── Dark Mode ── */
.dark .sh-nav-item__link { color: var(--pi-text-2, #e2e8f0); }
.dark .sh-dropdown { background: var(--pi-bg-card, #1e293b); border-color: var(--pi-border, #334155); }
.dark .sh-dropdown-item--bordered { border-bottom-color: var(--pi-border, #334155); }
.dark .sh-dropdown-item__link { color: var(--pi-text-2, #e2e8f0); }
.dark .sh-dropdown-item__link:hover { color: var(--pi-primary, #007d3d); background: color-mix(in srgb, var(--pi-primary, #007d3d) 8%, transparent); }
.dark .sh-flyout { background: var(--pi-bg-card, #1e293b); border-color: var(--pi-border, #334155); }