.slider-captcha {
    width: 300px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    padding: 16px;
    user-select: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.slider-captcha-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.slider-captcha-title {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.slider-captcha-refresh {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: #666;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.slider-captcha-refresh:hover {
    color: #1890ff;
    background: #f0f5ff;
}

.slider-captcha-refresh:active {
    transform: rotate(180deg);
}

.slider-captcha-body {
    margin-bottom: 12px;
}

.slider-captcha-image-container {
    position: relative;
    width: 100%;
    height: 150px;
    border-radius: 4px;
    overflow: hidden;
    background: #f5f5f5;
}

.slider-captcha-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.slider-captcha-slider-piece {
    position: absolute;
    width: 60px;
    height: 60px;
    top: 0;
    left: 0;
    background-size: cover;
    background-repeat: no-repeat;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    transition: none;
    pointer-events: none;
}

.slider-captcha-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    color: #666;
    font-size: 12px;
    gap: 8px;
}

.slider-captcha-loading.hidden {
    display: none;
}

.slider-captcha-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1890ff;
    border-radius: 50%;
    animation: slider-captcha-spin 1s linear infinite;
}

@keyframes slider-captcha-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.slider-captcha-track-container {
    position: relative;
    width: 100%;
    height: 40px;
    margin-bottom: 8px;
}

.slider-captcha-track {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 36px;
    transform: translateY(-50%);
    background: #e8e8e8;
    border-radius: 18px;
    overflow: hidden;
}

.slider-captcha-track-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 13px;
    color: #999;
    white-space: nowrap;
    z-index: 2;
    pointer-events: none;
}

.slider-captcha-track-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #52c41a, #73d13d);
    border-radius: 18px;
    transition: none;
}

.slider-captcha-slider-btn {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: none;
    z-index: 3;
}

.slider-captcha-slider-btn:hover {
    color: #1890ff;
    box-shadow: 0 2px 12px rgba(24, 144, 255, 0.3);
}

.slider-captcha-slider-btn:active {
    cursor: grabbing;
    box-shadow: 0 4px 16px rgba(24, 144, 255, 0.4);
}

.slider-captcha-slider-btn.dragging {
    cursor: grabbing;
    color: #1890ff;
    box-shadow: 0 4px 16px rgba(24, 144, 255, 0.4);
}

.slider-captcha-slider-btn.success {
    color: #52c41a;
    background: #f6ffed;
    border-color: #b7eb8f;
}

.slider-captcha-slider-btn.fail {
    color: #ff4d4f;
    background: #fff2f0;
    border-color: #ffccc7;
}

.slider-captcha-footer {
    min-height: 20px;
}

.slider-captcha-status {
    font-size: 12px;
    text-align: center;
    transition: all 0.3s;
}

.slider-captcha-status.success {
    color: #52c41a;
}

.slider-captcha-status.fail {
    color: #ff4d4f;
}

.slider-captcha-status.hidden {
    display: none;
}

.slider-captcha.dragging {
    cursor: grabbing;
}

.slider-captcha.verified .slider-captcha-track-container {
    pointer-events: none;
    opacity: 0.6;
}

.slider-captcha.verified .slider-captcha-slider-btn {
    cursor: default;
}