/* =====================================================
   滑块拼图验证码组件样式
   ===================================================== */

/* 遮罩层 */
.slider-captcha-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10001;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.slider-captcha-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* 卡片容器 */
.slider-captcha-card {
    background: var(--bg-primary, #fff);
    border: 1px solid var(--border-color, #e0e0e0);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 368px;
    max-width: 92vw;
    overflow: hidden;
    transform: translateY(16px);
    transition: transform 0.25s ease;
}

.slider-captcha-overlay.active .slider-captcha-card {
    transform: translateY(0);
}

/* 头部 */
.slider-captcha-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.slider-captcha-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary, #333);
    font-family: var(--font-family-base, inherit);
    margin: 0;
}

.slider-captcha-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.slider-captcha-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-secondary, #999);
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    padding: 0;
}

.slider-captcha-btn:hover {
    background: var(--bg-secondary, #f5f5f5);
    color: var(--text-primary, #333);
}

.slider-captcha-btn svg {
    width: 16px;
    height: 16px;
}

/* 图片区域 */
.slider-captcha-image-area {
    position: relative;
    width: 320px;
    height: 160px;
    margin: 16px auto 0;
    border-radius: 8px;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.slider-captcha-bg {
    width: 320px;
    height: 160px;
    display: block;
}

.slider-captcha-puzzle {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.4));
}

/* 滑轨区域 */
.slider-captcha-track-area {
    padding: 14px 24px 20px;
}

.slider-captcha-track {
    position: relative;
    width: 100%;
    height: 40px;
    background: var(--bg-secondary, #f0f0f0);
    border-radius: 20px;
    border: 1px solid var(--border-color, #e0e0e0);
    overflow: hidden;
    cursor: default;
}

.slider-captcha-track-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: var(--accent-color, #3b82f6);
    opacity: 0.15;
    border-radius: 20px;
    transition: none;
    pointer-events: none;
}

.slider-captcha-track-text {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--text-secondary, #999);
    font-family: var(--font-family-base, inherit);
    pointer-events: none;
    user-select: none;
    -webkit-user-select: none;
}

.slider-captcha-handle {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 36px;
    height: 36px;
    background: var(--bg-primary, #fff);
    border: 2px solid var(--accent-color, #3b82f6);
    border-radius: 50%;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: box-shadow 0.15s;
    z-index: 2;
    touch-action: none;
}

.slider-captcha-handle:hover {
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

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

.slider-captcha-handle svg {
    width: 18px;
    height: 18px;
    color: var(--accent-color, #3b82f6);
    pointer-events: none;
}

/* 状态：成功 */
.slider-captcha-track.success {
    border-color: #22c55e;
}

.slider-captcha-track.success .slider-captcha-track-fill {
    background: #22c55e;
    opacity: 0.2;
}

.slider-captcha-track.success .slider-captcha-handle {
    border-color: #22c55e;
}

.slider-captcha-track.success .slider-captcha-handle svg {
    color: #22c55e;
}

.slider-captcha-track.success .slider-captcha-track-text {
    color: #22c55e;
    font-weight: 500;
}

/* 状态：失败 */
.slider-captcha-track.fail {
    border-color: #ef4444;
    animation: slider-shake 0.4s ease;
}

.slider-captcha-track.fail .slider-captcha-track-fill {
    background: #ef4444;
    opacity: 0.15;
}

.slider-captcha-track.fail .slider-captcha-handle {
    border-color: #ef4444;
}

.slider-captcha-track.fail .slider-captcha-handle svg {
    color: #ef4444;
}

.slider-captcha-track.fail .slider-captcha-track-text {
    color: #ef4444;
}

/* 加载状态 */
.slider-captcha-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 320px;
    height: 160px;
    margin: 16px auto 0;
    background: var(--bg-secondary, #f5f5f5);
    border-radius: 8px;
    color: var(--text-secondary, #999);
    font-size: 13px;
    font-family: var(--font-family-base, inherit);
}

@keyframes slider-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* 移动端适配 */
@media (max-width: 420px) {
    .slider-captcha-card {
        width: 100%;
        border-radius: 12px 12px 0 0;
    }
    .slider-captcha-overlay {
        align-items: flex-end;
    }
    .slider-captcha-card {
        transform: translateY(100%);
    }
    .slider-captcha-overlay.active .slider-captcha-card {
        transform: translateY(0);
    }
    .slider-captcha-image-area,
    .slider-captcha-bg,
    .slider-captcha-loading {
        width: calc(100% - 48px);
        height: auto;
        aspect-ratio: 2 / 1;
    }
}