.mingdao-search-dialog {
    width: min(640px, calc(100% - 32px));
    max-height: calc(100dvh - 40px);
    overflow-y: auto;
    margin: auto;
    padding: 32px;
    color: var(--text);
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 24px 80px rgb(0 0 0 / .18);
}
.mingdao-search-dialog::backdrop {
    background: rgb(0 0 0 / .48);
    backdrop-filter: blur(5px);
}
.search-dialog-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}
.search-dialog-top h2 {
    margin: 0;
    font-size: 28px;
    font-weight: 500;
}
.search-dialog-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: transparent;
    color: var(--text);
    cursor: pointer;
}
.search-dialog-form label {
    display: block;
    font-size: 14px;
    margin-bottom: 10px;
}
.search-dialog-controls {
    display: flex;
    gap: 12px;
}
.search-dialog-controls input {
    flex: 1;
    width: 100%;
    min-width: 0;
    min-height: 50px;
    padding: 12px 16px;
    font: inherit;
    font-size: 16px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
}
.search-dialog-controls button { cursor: pointer; }
.search-dialog-help {
    margin: 14px 0 22px;
    color: var(--muted);
    font-size: 13px;
}
.search-dialog-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
}
.search-dialog-topics a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 14px;
    text-underline-offset: 4px;
}
body:has(.mingdao-search-dialog[open]) { overflow: hidden; }
@media(max-width: 520px) {
    .mingdao-search-dialog { padding: 24px; }
    .search-dialog-controls { flex-direction: column; }
    .search-dialog-top h2 { font-size: 25px; }
}