/* Accessible Dropdown - Core Styles */
/* Obsahuje iba logiku, positioning, layout a spravanie */
/* Pre vizualne nastavenia pouzite a11y-dropdown-theme.css */
/* Používa data atribúty pre základnú funkcionalitu */

/* Container */
[data-dropdown] {
    position: relative;
    display: inline-block;
}

/* Button */
[data-dropdown-button] {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

[data-dropdown-button]:focus {
    outline-offset: 2px;
}

/* Button icon/arrow */
[data-dropdown-arrow] {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
}

[data-dropdown].is-open [data-dropdown-arrow] {
    transform: rotate(180deg);
}

/* Menu - default (no animation) */
[data-dropdown-menu] {
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    z-index: 1000;
    min-width: 100%;
    width: max-content;
    max-width: 20rem;
    display: none;
}

[data-dropdown-menu].is-open {
    display: block;
}

/* CSS Grid animation is DEFAULT (unless data-no-animation is set) */
[data-dropdown-menu]:not([data-no-animation]) {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    visibility: hidden;
    transition: grid-template-rows var(--a11y-dropdown-duration, 0.2s) var(--a11y-dropdown-easing, ease),
                opacity calc(var(--a11y-dropdown-duration, 0.2s) * 0.75) var(--a11y-dropdown-easing, ease),
                visibility 0s var(--a11y-dropdown-duration, 0.2s);
}

[data-dropdown-menu]:not([data-no-animation]).is-open {
    grid-template-rows: 1fr;
    opacity: 1;
    visibility: visible;
    transition: grid-template-rows var(--a11y-dropdown-duration, 0.2s) var(--a11y-dropdown-easing, ease),
                opacity calc(var(--a11y-dropdown-duration, 0.2s) * 0.75) var(--a11y-dropdown-easing, ease),
                visibility 0s;
}

/* Inner wrapper must have overflow: hidden */
[data-dropdown-menu]:not([data-no-animation]) > * {
    overflow: hidden;
}

/* No animation variant - simple show/hide */
[data-dropdown-menu][data-no-animation] {
    display: none;
}

[data-dropdown-menu][data-no-animation].is-open {
    display: block;
}

/* Align menu to right */
[data-dropdown-menu="right"] {
    left: auto;
    right: 0;
}

/* Menu items */
[data-dropdown-item] {
    display: block;
    width: 100%;
    text-align: left;
    cursor: pointer;
    text-decoration: none;
}

[data-dropdown-item]:focus {
    outline: none;
}

/* Divider */
[data-dropdown-divider] {
    height: 1px;
    border: none;
}

/* Disabled item */
[data-dropdown-item]:disabled,
[data-dropdown-item][aria-disabled="true"] {
    cursor: not-allowed;
    pointer-events: none;
}

/* Item with icon */
[data-dropdown-item-icon] {
    display: inline-flex;
    align-items: center;
}

[data-dropdown-item-icon] svg,
[data-dropdown-item-icon] img {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

/* Navigation variant */
[data-dropdown][data-variant="nav"] [data-dropdown-button]:focus {
    outline-offset: 2px;
}

/* Language switcher variant */
[data-dropdown][data-variant="language"] [data-dropdown-item] {
    display: flex;
    align-items: center;
}

[data-dropdown][data-variant="language"] [data-dropdown-item-flag] {
    width: 1.25rem;
    height: 1.25rem;
    object-fit: cover;
}

/* Responsive */
@media (max-width: 640px) {
    [data-dropdown-menu] {
        min-width: 12rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    [data-dropdown-item]:focus {
        outline-offset: -2px;
    }
}

/* Reduced motion support - disable animations */
@media (prefers-reduced-motion: reduce) {
    [data-dropdown-menu]:not([data-no-animation]),
    [data-dropdown-menu]:not([data-no-animation]).is-open {
        transition: none !important;
    }
}