.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-black);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
}

.overlay-content {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    /* Match Product page .container spacing */
    padding: 3rem 1.5rem;
    max-width: 37.5rem; /* 600px */
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.overlay-content::-webkit-scrollbar {
    display: none;
}

.overlay-content {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.search-section {
    margin-bottom: 1.5rem;
}

.search-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
}

.search-box {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

.search-input {
    width: 100%;
    background-color: var(--color-dark-card);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    color: var(--color-text-primary);
    font-size: 0.875rem;
    font-family: inherit;
}

.search-input::placeholder {
    color: var(--color-text-secondary);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-text-secondary);
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.section-title:first-child {
    margin-top: 0;
}

.list-group {
    list-style: none;
}

.list-item {
    border-bottom: 1px solid var(--color-border);
}

.list-item:last-child {
    border-bottom: none;
}

.list-link {
    display: flex;
    align-items: center;
    padding: 1rem 0;
    text-decoration: none;
    gap: 0.75rem;
    transition: opacity 0.2s ease;
}

.list-link:hover {
    opacity: 0.8;
}

.list-item-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.list-flag {
    font-size: 1.125rem;
    width: 1.5rem;
    flex-shrink: 0;
}

.list-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    flex-grow: 1;
}

.chevron {
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.letter-header {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

.letter-header:first-child {
    margin-top: 0;
}

.close-button-container {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    max-width: 37.5rem; /* 600px */
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(to top, var(--color-black) 70%, transparent);
}

.close-button {
    width: 100%;
    background-color: var(--color-text-primary);
    color: var(--color-black);
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.close-button:active {
    opacity: 0.8;
}

.close-button:focus {
    outline: 2px solid var(--color-text-primary);
    outline-offset: 2px;
}

.hidden {
    display: none;
}

/* Visually hidden but accessible to screen readers */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus visible styles */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-text-primary);
    outline-offset: 2px;
}

@media (min-width: 37.5rem) { /* 600px */
    .overlay-content {
        max-width: 46.25rem; /* 740px */
        /* Keep same uniform padding as product container */
        padding: 3rem 1.5rem;
    }
    .close-button-container {
        max-width: 46.25rem; /* 740px */
        margin: 0 auto;
        padding: 1rem 1.5rem; /* horizontal match */
    }
}

/* Provide space above fixed close button without altering content width */
.overlay-content:after {
    content: "";
    display: block;
    height: 5.25rem; /* was previously baked into padding-bottom difference */
}