.skip-navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 11000;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem;
    background: #ffffff;
    border-bottom: 2px solid #174498;
    transform: translateY(-150%);
    transition: transform 120ms ease-in-out;
}

.skip-navigation:focus-within {
    transform: translateY(0);
}

.skip-navigation a,
.skip-navigation button {
    display: inline-block;
    padding: 0.75rem 1rem;
    color: #ffffff;
    background: #174498;
    border: 2px solid transparent;
    border-radius: 0.25rem;
    font-weight: 600;
    text-decoration: none;
}

.skip-navigation a:focus-visible,
.skip-navigation button:focus-visible,
[data-layer-tree-item]:focus-visible,
#map:focus-visible {
    outline: 4px solid #ffbf47;
    outline-offset: 3px;
}

[data-layer-tree-item] {
    position: relative;
}

[data-layer-tree-item][aria-selected="true"],
[data-layer-tree-item]:focus {
    background-color: rgba(23, 68, 152, 0.12);
}

.keyboard-shortcuts {
    margin: 0;
}

.keyboard-shortcuts > div {
    display: grid;
    grid-template-columns: minmax(7rem, 10rem) 1fr;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #d6d6d6;
}

.keyboard-shortcuts dt,
.keyboard-shortcuts dd {
    margin: 0;
}

.accessible-visible-features {
    padding: 1rem;
}

.accessible-feature-list {
    display: grid;
    gap: 1rem;
    padding-left: 1.5rem;
}

.accessible-feature-list li {
    padding-bottom: 1rem;
    border-bottom: 1px solid #d6d6d6;
}

@media (prefers-reduced-motion: reduce) {
    .skip-navigation {
        transition: none;
    }
}

@media (forced-colors: active) {
    .skip-navigation,
    .skip-navigation a,
    .skip-navigation button {
        border: 2px solid CanvasText;
    }
}

/* Painel temporário de diagnóstico para homologação */
.accessibility-debug-panel {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 12000;
    width: min(420px, calc(100vw - 2rem));
    max-height: 70vh;
    overflow: auto;
    padding: 0.75rem;
    background: #fff;
    color: #111;
    border: 3px solid #174498;
    border-radius: 0.5rem;
    box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.25);
    font-size: 0.9rem;
}

.accessibility-debug-header,
.accessibility-debug-events-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.accessibility-debug-panel button {
    min-height: 2rem;
}

.accessibility-debug-hint {
    margin: 0.75rem 0;
}

.accessibility-debug-list,
.accessibility-debug-events {
    margin: 0.5rem 0 1rem;
    padding-left: 1.25rem;
}

.accessibility-debug-item {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.4rem;
    border-left: 5px solid #555;
    background: #f5f5f5;
}

.accessibility-debug-badge {
    font-weight: 700;
}

.accessibility-debug-ok { border-color: #18733c; }
.accessibility-debug-warning { border-color: #9a6700; }
.accessibility-debug-error { border-color: #b42318; }
.accessibility-debug-info { border-color: #174498; }

.accessibility-debug-event {
    margin-bottom: 0.35rem;
}

@media (max-width: 600px) {
    .accessibility-debug-panel {
        right: 0.5rem;
        bottom: 0.5rem;
        width: calc(100vw - 1rem);
    }
}
.accessibility-debug-panel[hidden] {
    display: none !important;
}