.dc-khv {
    --dc-khv-fg: #1f2937;
    --dc-khv-muted: #4b5563;
    --dc-khv-choice-bg: rgba(255,255,255,.92);
    --dc-khv-choice-hover: rgba(0,64,120,.10);
    --dc-khv-focus: var(--dc-khv-accent, #004078);
    width: 100%;
    margin: 14px 0 18px;
    color: var(--dc-khv-fg);
    font: inherit;
    line-height: 1.4;
    box-sizing: border-box;
}

.dc-khv[hidden] { display: none !important; }

.dc-khv[data-theme="dark"] {
    --dc-khv-fg: #f7f8fa;
    --dc-khv-muted: #d7dce2;
    --dc-khv-choice-bg: rgba(255,255,255,.10);
    --dc-khv-choice-hover: rgba(255,255,255,.18);
}

.dc-khv[data-theme="light"] {
    --dc-khv-fg: #1f2937;
    --dc-khv-muted: #4b5563;
    --dc-khv-choice-bg: rgba(255,255,255,.92);
    --dc-khv-choice-hover: rgba(0,64,120,.10);
}

.dc-khv__panel {
    display: block;
    padding: 0;
    margin: 0;
    background: transparent;
    border: 0;
    color: var(--dc-khv-fg);
}

.dc-khv__title {
    margin: 0 0 5px;
    font-size: .94em;
    font-weight: 700;
    color: var(--dc-khv-fg) !important;
}

.dc-khv__message {
    margin: 0 0 9px;
    color: var(--dc-khv-muted) !important;
    font-size: .90em;
}

.dc-khv__message[data-kind="error"] {
    color: #b42318 !important;
    font-weight: 600;
}

.dc-khv[data-theme="dark"] .dc-khv__message[data-kind="error"] {
    color: #ffb4ab !important;
}

.dc-khv__message[data-kind="success"] {
    color: #067647 !important;
    font-weight: 700;
}

.dc-khv[data-theme="dark"] .dc-khv__message[data-kind="success"] {
    color: #86efac !important;
}

.dc-khv__choices {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    align-items: center;
}

.dc-khv__choice {
    appearance: none;
    -webkit-appearance: none;
    width: 48px;
    min-width: 48px;
    height: 44px;
    min-height: 44px;
    padding: 0;
    margin: 0;
    border: 1px solid var(--dc-khv-border-custom, #7b8794) !important;
    border-radius: 8px;
    background: var(--dc-khv-choice-bg) !important;
    color: var(--dc-khv-fg) !important;
    font: inherit;
    font-size: 24px;
    line-height: 42px;
    text-align: center;
    box-shadow: none !important;
    cursor: pointer;
    opacity: 1;
    transition: background-color .14s ease, border-color .14s ease, transform .14s ease;
}

.dc-khv__choice:hover,
.dc-khv__choice:focus {
    background: var(--dc-khv-choice-hover) !important;
    border-color: var(--dc-khv-focus) !important;
    color: var(--dc-khv-fg) !important;
}

.dc-khv__choice:focus-visible {
    outline: 3px solid var(--dc-khv-focus);
    outline-offset: 2px;
}

.dc-khv__choice:active,
.dc-khv__choice--selected {
    transform: translateY(1px);
}

.dc-khv__choice:disabled {
    cursor: default;
    opacity: .72;
}

.dc-khv__hp {
    position: absolute !important;
    left: -10000px !important;
    top: auto !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

.dc-khv--visible {
    animation: dc-khv-fade .16s ease-out both;
}

@keyframes dc-khv-fade {
    from { opacity: 0; transform: translateY(-2px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .dc-khv--visible { animation: none; }
    .dc-khv__choice { transition: none; }
}