/**
 * Nav Panel — assets/css/nav-panel.css
 *
 * Full-height slide-in navigation panel (light theme).
 * Slides from the right; covers all viewport widths.
 *
 * Design: light surface (#fff) with card-style nav items,
 * red chevron indicators, and a dark footer strip for social links.
 *
 * Structure:
 *   .eln-nav-backdrop         Full-screen overlay behind the panel
 *   .eln-nav-panel            Fixed-position slide-in panel (right edge)
 *     __head                  Auth link (left) + Close button (right)
 *     __search                Full-width search row
 *     __nav                   Scrollable area
 *       __section-label       "CATEGORÍAS" uppercase heading
 *       __menu                wp_nav_menu list (card-style items)
 *     __secondary-nav         Brand/about links (plain style)
 *       __secondary-menu      wp_nav_menu list
 *     __footer                Social icon row (dark strip)
 *
 * Panel width:
 *   Desktop: 460px fixed
 *   ≤ 480px: 100vw
 */

/* ── Backdrop ───────────────────────────────────────────────────────────────── */

.eln-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 199;
    background: rgba(0, 0, 0, .45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease;
}

.eln-nav-backdrop.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* ── Panel shell ────────────────────────────────────────────────────────────── */

.eln-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    width: 460px;
    max-width: 100vw;
    display: flex;
    flex-direction: column;
    overflow: hidden;

    background: var(--eln-color-bg);
    color: var(--eln-color-text);
    border-left: 1px solid var(--eln-color-border);

    transform: translateX(100%);
    transition: transform 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94); /* panel slide: 300ms — intentionally longer than --eln-transition (150ms ease) for full-height entry */
}

.eln-nav-panel.is-open {
    transform: translateX(0);
}

/* Admin bar offset */
.admin-bar .eln-nav-panel {
    top: 32px;
}

@media (max-width: 782px) {
    .admin-bar .eln-nav-panel {
        top: 46px;
    }
}

/* ── Panel head ─────────────────────────────────────────────────────────────── */

.eln-nav-panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--eln-space-md);
    padding: var(--eln-space-md) var(--eln-space-lg);
    border-bottom: 1px solid var(--eln-color-border);
    flex-shrink: 0;
}

/* ── Auth area (left side of head) ─────────────────────────────────────────── */

.eln-nav-panel__auth {
    display: flex;
    align-items: center;
    gap: var(--eln-space-sm);
    min-width: 0;
    overflow: hidden;
}

.eln-nav-panel__auth-link {
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-sm);
    font-weight: var(--eln-font-weight-medium);
    color: var(--eln-color-text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--eln-transition);
}

.eln-nav-panel__auth-link:hover {
    color: var(--eln-color-text);
    text-decoration: none;
}

.eln-nav-panel__auth-sep {
    color: var(--eln-color-border);
    font-size: var(--eln-font-size-xs);
    flex-shrink: 0;
}

.eln-nav-panel__auth-name {
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-sm);
    color: var(--eln-color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
}

/* Logged-out entry link: user icon (red) + "Entrar / Registrarse" */
.eln-nav-panel__auth-link--entry {
    display: inline-flex;
    align-items: center;
    gap: var(--eln-space-2);
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-sm);
    font-weight: var(--eln-font-weight-medium);
    color: var(--eln-color-text);
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--eln-transition);
}

.eln-nav-panel__auth-link--entry:hover {
    color: var(--eln-color-accent);
    text-decoration: none;
}

.eln-nav-panel__auth-link--entry svg {
    width: 18px;
    height: 18px;
    stroke: var(--eln-color-accent);   /* red user icon */
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
    flex-shrink: 0;
}

/* ── Close button (right side of head) ─────────────────────────────────────── */

.eln-nav-panel__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--eln-color-border);
    border-radius: var(--eln-radius-md);
    color: var(--eln-color-text);
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
    transition: background-color var(--eln-transition), border-color var(--eln-transition);
}

.eln-nav-panel__close:hover {
    background: var(--eln-color-bg-alt);
    border-color: var(--eln-color-grey-300);
}

.eln-nav-panel__close svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
}

/* ── Search ─────────────────────────────────────────────────────────────────── */

.eln-nav-panel__search {
    padding: var(--eln-space-md) var(--eln-space-lg);
    border-bottom: 1px solid var(--eln-color-border);
    flex-shrink: 0;
}

.eln-nav-panel__search-form {
    display: flex;
    align-items: center;
    background: var(--eln-color-bg-alt);
    border: 1px solid var(--eln-color-border);
    border-radius: var(--eln-radius-md);
    padding: 0 var(--eln-space-sm);
    transition: border-color var(--eln-transition), background-color var(--eln-transition);
}

.eln-nav-panel__search-form:focus-within {
    border-color: var(--eln-color-grey-300);
    background: var(--eln-color-bg);
}

.eln-nav-panel__search-input {
    flex: 1;
    height: 44px;
    padding: 0 var(--eln-space-sm);
    background: transparent;
    border: none;
    color: var(--eln-color-text);
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-sm);
    -webkit-appearance: none;
    appearance: none;
}

.eln-nav-panel__search-input::placeholder {
    color: var(--eln-color-text-muted);
}

.eln-nav-panel__search-input:focus {
    outline: none;
}

.eln-nav-panel__search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    display: none;
}

.eln-nav-panel__search-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--eln-radius-md);
    color: var(--eln-color-text-muted);
    cursor: pointer;
    padding: 0;
    transition: color var(--eln-transition);
}

.eln-nav-panel__search-submit:hover {
    color: var(--eln-color-text);
}

.eln-nav-panel__search-submit svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
}

/* ── Main navigation ────────────────────────────────────────────────────────── */

.eln-nav-panel__nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--eln-color-border) transparent;
}

.eln-nav-panel__nav::-webkit-scrollbar {
    width: 4px;
}

.eln-nav-panel__nav::-webkit-scrollbar-track {
    background: transparent;
}

.eln-nav-panel__nav::-webkit-scrollbar-thumb {
    background: var(--eln-color-border);
    border-radius: 2px;
}

/* "CATEGORÍAS" section heading */
.eln-nav-panel__section-label {
    display: block;
    padding: var(--eln-space-md) var(--eln-space-lg) var(--eln-space-2);
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-xs);
    font-weight: var(--eln-font-weight-bold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--eln-color-text-muted);
}

/* Card-style nav list */
.eln-nav-panel__menu {
    list-style: none;
    margin: 0;
    padding: 0 var(--eln-space-lg) var(--eln-space-md);
    display: flex;
    flex-direction: column;
    gap: var(--eln-space-2);
}

.eln-nav-panel__menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--eln-space-md);
    background: var(--eln-color-bg);
    border: 1px solid var(--eln-color-border);
    border-radius: var(--eln-radius-md);
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-base);
    font-weight: var(--eln-font-weight-medium);
    color: var(--eln-color-text);
    text-decoration: none;
    transition: background-color var(--eln-transition), border-color var(--eln-transition);
}

/* Red chevron — Figma spec */
.eln-nav-panel__menu > li > a::after {
    content: "›";
    flex-shrink: 0;
    margin-left: var(--eln-space-sm);
    font-size: 1.125rem;
    color: var(--eln-color-accent);
    line-height: 1;
}

.eln-nav-panel__menu > li > a:hover {
    background: var(--eln-color-bg-alt);
    border-color: var(--eln-color-grey-300);
    text-decoration: none;
}

/* Active / current page */
.eln-nav-panel__menu > li.current-menu-item > a,
.eln-nav-panel__menu > li.current-menu-ancestor > a {
    border-color: var(--eln-color-accent);
    color: var(--eln-color-accent);
}

/* Sub-menus hidden — Phase 1 */
.eln-nav-panel__menu .sub-menu {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ── Secondary navigation (brand/about links) ───────────────────────────────── */

.eln-nav-panel__secondary-nav {
    border-top: 1px solid var(--eln-color-border);
    padding: var(--eln-space-sm) 0;
    flex-shrink: 0;
}

.eln-nav-panel__secondary-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.eln-nav-panel__secondary-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--eln-space-2) var(--eln-space-lg);
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-sm);
    font-weight: var(--eln-font-weight-normal);
    color: var(--eln-color-text-muted);
    text-decoration: none;
    transition: color var(--eln-transition);
}

.eln-nav-panel__secondary-menu > li > a::after {
    content: "›";
    flex-shrink: 0;
    font-size: 1rem;
    color: var(--eln-color-grey-300);
    line-height: 1;
}

.eln-nav-panel__secondary-menu > li > a:hover {
    color: var(--eln-color-text);
    text-decoration: none;
}

/* ── Footer — social icons (dark strip) ─────────────────────────────────────── */

.eln-nav-panel__footer {
    display: flex;
    flex-direction: column;
    gap: var(--eln-space-sm);
    padding: var(--eln-space-lg);
    background: var(--eln-color-brand);
    flex-shrink: 0;
}

.eln-nav-panel__footer-label {
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-xs);
    font-weight: var(--eln-font-weight-bold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .35);
}

.eln-nav-panel__social {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--eln-space-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.eln-nav-panel__social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, .08);
    border-radius: var(--eln-radius-md);
    color: rgba(255, 255, 255, .55);
    text-decoration: none;
    transition: background-color var(--eln-transition), color var(--eln-transition);
}

.eln-nav-panel__social-link:hover {
    background: var(--eln-color-accent);
    color: var(--eln-color-text-inverse);
    text-decoration: none;
}

.eln-nav-panel__social-link svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    display: block;
    flex-shrink: 0;
}

/* ── Panel logo link (mobile only) ─────────────────────────────────────────── */

.eln-nav-panel__logo-link {
    display: none;
    align-items: center;
    flex: 1;
    min-width: 0;
    text-decoration: none;
}

.eln-nav-panel__logo-link img {
    height: 28px;
    width: auto;
    display: block;
}

.eln-nav-panel__logo-link--text {
    font-family: var(--eln-font-ui);
    font-size: var(--eln-font-size-base);
    font-weight: var(--eln-font-weight-bold);
    color: var(--eln-color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */

/* Mobile: show logo + auth in panel head; header auth is hidden via header.css */
@media (max-width: 768px) {

    .eln-nav-panel__logo-link {
        display: flex;
    }

    .eln-nav-panel__auth {
        display: flex;
    }
}

/* Full width on small phones */
@media (max-width: 480px) {

    .eln-nav-panel {
        width: 100%;
    }
}

/* Tighter spacing on small phones */
@media (max-width: 480px) {

    .eln-nav-panel__menu {
        padding-left: var(--eln-space-md);
        padding-right: var(--eln-space-md);
    }

    .eln-nav-panel__section-label,
    .eln-nav-panel__head,
    .eln-nav-panel__search,
    .eln-nav-panel__footer {
        padding-left: var(--eln-space-md);
        padding-right: var(--eln-space-md);
    }

    .eln-nav-panel__secondary-menu > li > a {
        padding-left: var(--eln-space-md);
        padding-right: var(--eln-space-md);
    }
}