.slide-captcha-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(15, 23, 42, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.slide-captcha-modal {
    width: min(340px, 100%);
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.2);
    overflow: hidden;
}

.slide-captcha-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
}

.slide-captcha-close {
    border: none;
    background: transparent;
    font-size: 20px;
    line-height: 1;
    color: #64748b;
    cursor: pointer;
    padding: 0 4px;
}

.slide-captcha-body {
    padding: 14px;
}

.slide-captcha-img-wrap {
    position: relative;
    width: 100%;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
    background: #f1f5f9;
    user-select: none;
}

.slide-captcha-img-wrap img.bg {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-captcha-img-wrap img.piece {
    position: absolute;
    top: 0;
    left: 0;
    width: 50px;
    height: 50px;
    pointer-events: none;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.25));
}

.slide-captcha-refresh {
    margin-top: 8px;
    font-size: 12px;
    color: #2563eb;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

.slide-captcha-track {
    position: relative;
    margin-top: 12px;
    height: 42px;
    background: #f1f5f9;
    border-radius: 21px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

.slide-captcha-track-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, #dbeafe, #bfdbfe);
    border-radius: 21px 0 0 21px;
    pointer-events: none;
}

.slide-captcha-track-hint {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: #64748b;
    pointer-events: none;
}

.slide-captcha-slider {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 40px;
    margin: 1px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid #cbd5e1;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb;
    font-size: 18px;
    touch-action: none;
    z-index: 2;
}

.slide-captcha-slider:active {
    cursor: grabbing;
}

.slide-captcha-status {
    margin-top: 8px;
    min-height: 18px;
    font-size: 12px;
    text-align: center;
}

.slide-captcha-status.error {
    color: #dc2626;
}

.slide-captcha-status.ok {
    color: #059669;
}