.slide-captcha-container {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    position: relative;
}

.slide-captcha-wrapper {
    position: relative;
    background: var(--bg-card, #fff);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    /* 高度按比例计算：后端图片 300x150，比例 1:0.5 */
    padding-top: 50%;
}

.slide-captcha-bg {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    /* 使用 contain 保持图片完整且不变形 */
    object-fit: contain;
    background-color: var(--bg-page, #f5f5f5);
    border-radius: 8px;
}

.slide-captcha-slider {
    position: absolute;
    top: 0;
    left: 0;
    cursor: grab;
    transition: opacity 0.2s;
    z-index: 10;
    pointer-events: none;
}

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

.slide-captcha-track {
    position: relative;
    height: 44px;
    background: var(--bg-page, #f5f5f5);
    border-radius: 22px;
    margin-top: 12px;
    overflow: hidden;
}

.slide-captcha-track-bg {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-info, #165DFF), var(--color-info-strong, #69b1ff));
    transition: width 0.1s;
}

.slide-captcha-dragger {
    position: absolute;
    top: 50%;
    left: 0;
    width: 52px;
    height: 52px;
    background: var(--bg-card, #fff);
    border-radius: 50%;
    /* 使用负margin替代transform，确保left值与sliderImage对齐 */
    margin-top: -26px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 20;
    transition: box-shadow 0.2s, transform 0.1s;
    touch-action: none;
}

.slide-captcha-dragger:active {
    cursor: grabbing;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    transform: scale(1.05);
}

.slide-captcha-dragger svg {
    transition: transform 0.2s;
}

.slide-captcha-dragger:active svg {
    transform: scale(1.1);
}

.slide-captcha-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    color: var(--text-regular, #666);
    pointer-events: none;
    z-index: 5;
    font-weight: 500;
    user-select: none;
}

.slide-captcha-text.success {
    color: var(--color-green, #52c41a);
}

.slide-captcha-text.error {
    color: var(--color-error, #ff4d4f);
}

.slide-captcha-refresh {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 34px;
    height: 34px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    pointer-events: auto;
    touch-action: none;
}

.slide-captcha-refresh:hover {
    background: rgba(255, 255, 255, 1);
    transform: rotate(90deg);
}

.slide-captcha-refresh::before {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid var(--text-regular, #666);
    border-top-color: transparent;
    border-radius: 50%;
}

.slide-captcha-refresh.loading::before {
    animation: spin 0.8s linear infinite;
}

/* spin 动画已统一定义在 components/form.css */

.slide-captcha-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border: 3px solid rgba(var(--color-info-rgb), 0.2);
    border-top-color: var(--color-info, #165DFF);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    z-index: 30;
    background: rgba(255, 255, 255, 0.8);
}

.slide-captcha-hidden {
    display: none !important;
}

.slide-captcha-error-message {
    color: var(--color-error, #ff4d4f);
    font-size: 12px;
    margin-top: 8px;
    text-align: center;
    min-height: 16px;
    line-height: 1.4;
}

@media (max-width: 600px) {
    .slide-captcha-container {
        max-width: 100%;
        padding: 0 10px;
    }
    
    .slide-captcha-wrapper {
        padding-top: 50%;
    }
    
    .slide-captcha-track {
        height: 40px;
        margin-top: 10px;
    }
    
    .slide-captcha-dragger {
        width: 48px;
        height: 48px;
    }
    
    .slide-captcha-dragger svg {
        width: 18px;
        height: 18px;
    }
    
    .slide-captcha-text {
        font-size: 13px;
    }
    
    .slide-captcha-refresh {
        width: 30px;
        height: 30px;
    }
    
    .slide-captcha-refresh::before {
        width: 14px;
        height: 14px;
    }
    
    .slide-captcha-loading {
        width: 38px;
        height: 38px;
    }
}

@media (min-width: 768px) {
    .slide-captcha-container {
        max-width: 340px;
    }
    
    .slide-captcha-track {
        height: 46px;
    }
    
    .slide-captcha-dragger {
        width: 54px;
        height: 54px;
    }
    
    .slide-captcha-dragger svg {
        width: 22px;
        height: 22px;
    }
    
    .slide-captcha-text {
        font-size: 15px;
    }
}

/* ========== 验证码弹窗（内容样式） ========== */
/* 结构样式由 public/css/components/modal.css 统一管理 */

/* 验证码弹窗特定样式 */
.captcha-modal .modal-content {
    max-width: 400px;
}

.captcha-modal-icon {
    margin-bottom: 16px;
    width: 64px;
    height: 64px;
    margin-left: auto;
    margin-right: auto;
    background: linear-gradient(135deg, var(--color-info, #165DFF) 0%, var(--brand-primary-strong, #4080FF) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(var(--color-info-rgb), 0.35);
    animation: captchaIconBounce 0.6s ease;
}

@keyframes captchaIconBounce {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

.captcha-modal-tip {
    margin: 0 0 16px 0;
    font-size: 14px;
    color: var(--text-regular, #4e5969);
}

.captcha-modal-container {
    width: 100%;
}