/* UX-R4 — navigation claire : accès directs + tableau de menus recherché. */

.app-shell--authenticated .app-navigation-r4 {
    flex: 1 0 100%;
    position: relative;
    z-index: 30;
    border-top: 1px solid var(--line);
    padding-top: 8px;
    background: #fff;
}

.app-navigation-r4__bar {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.app-navigation-r4__primary,
.app-navigation-r4__menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 9px 12px;
    border: 1px solid transparent;
    border-radius: 7px;
    color: var(--ink);
    background: transparent;
    font: inherit;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
}

.app-navigation-r4__primary:hover,
.app-navigation-r4__menu-toggle:hover {
    border-color: var(--line);
    background: var(--sea-soft);
    color: var(--sea-text);
    text-decoration: none;
}

.app-navigation-r4__primary[aria-current="page"] {
    background: var(--sea-soft);
    color: var(--sea-text);
    box-shadow: inset 0 -3px 0 var(--sea);
}

.app-navigation-r4__profile {
    margin-left: auto;
}

.app-navigation-r4__menu {
    position: relative;
    margin: 0;
}

.app-navigation-r4__menu-toggle {
    gap: 10px;
    cursor: pointer;
    list-style: none;
}

.app-navigation-r4__menu-toggle::-webkit-details-marker {
    display: none;
}

.app-navigation-r4__menu-toggle::after {
    content: "⌄";
    color: var(--muted);
    font-weight: 500;
}

.app-navigation-r4__menu[open] > .app-navigation-r4__menu-toggle::after {
    content: "⌃";
}

.app-navigation-r4__menu--current > .app-navigation-r4__menu-toggle {
    color: var(--sea-text);
    box-shadow: inset 0 -3px 0 var(--sea);
}

.app-navigation-r4__shortcut {
    display: inline-grid;
    place-items: center;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: var(--sand);
    color: var(--muted);
    font-size: .8rem;
    font-weight: 700;
}

.app-navigation-r4__panel {
    position: absolute;
    top: calc(100% + 7px);
    left: 0;
    width: min(980px, calc(100vw - 48px));
    max-height: min(72vh, 680px);
    overflow: auto;
    overscroll-behavior: contain;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.app-navigation-r4__search {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.app-navigation-r4__search label {
    margin: 0;
    color: var(--ink);
    font-size: .92rem;
    font-weight: 700;
}

.app-navigation-r4__search input[type="search"] {
    width: 100%;
    min-height: 44px;
    margin: 0;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.app-navigation-r4__search input[type="search"]:focus {
    border-color: var(--sea);
    outline: 3px solid color-mix(in srgb, var(--sea) 18%, transparent);
    outline-offset: 1px;
}

.app-navigation-r4__search-hint {
    margin: 0;
    color: var(--muted);
    font-size: .82rem;
}

.app-navigation-r4__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 12px;
    align-items: start;
}

.app-navigation-r4__section {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.app-navigation-r4__section[hidden],
.app-navigation-r4__section a[hidden],
.app-navigation-r4__empty[hidden] {
    display: none;
}

.app-navigation-r4__section h2 {
    margin: 0;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    background: var(--sand);
    color: var(--ink);
    font-size: .9rem;
    font-weight: 800;
}

.app-navigation-r4__section-links {
    display: grid;
}

.app-navigation-r4__section-links a {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: .9rem;
    font-weight: 600;
    line-height: 1.25;
    text-decoration: none;
}

.app-navigation-r4__section-links a:last-child {
    border-bottom: 0;
}

.app-navigation-r4__section-links a:hover,
.app-navigation-r4__section-links a[aria-current="page"] {
    background: var(--sea-soft);
    color: var(--sea-text);
    text-decoration: none;
}

.app-navigation-r4__section-links a[aria-current="page"] {
    box-shadow: inset 4px 0 0 var(--sea);
}

.app-navigation-r4__empty {
    margin: 12px 0 0;
    padding: 12px;
    border: 1px dashed var(--line);
    border-radius: 8px;
    background: var(--sand);
    color: var(--muted);
    font-weight: 600;
}

@media (max-width: 900px) {
    .app-navigation-r4__panel {
        width: min(760px, calc(100vw - 36px));
    }
}

@media (max-width: 720px) {
    .app-shell--authenticated .app-navigation-r4 {
        margin-top: 10px;
    }

    .app-navigation-r4__bar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
    }

    .app-navigation-r4__primary,
    .app-navigation-r4__menu-toggle {
        width: 100%;
        justify-content: space-between;
        border: 1px solid var(--line);
        background: #fff;
    }

    .app-navigation-r4__profile {
        margin-left: 0;
    }

    .app-navigation-r4__menu {
        grid-column: 1 / -1;
    }

    .app-navigation-r4__panel {
        position: static;
        width: 100%;
        max-height: none;
        margin-top: 6px;
        padding: 12px;
        box-shadow: none;
    }

    .app-navigation-r4__grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}