/* ============================================================
   滑动拼图验证 - 弹窗样式
   仿「签到服务平台」UI：紫色背景 + 拼图缺口 + 圆角滑轨
   ============================================================ */

.slider-captcha-mask {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

.slider-captcha-mask.show {
    display: flex;
    animation: scFadeIn 0.18s ease-out;
}

@keyframes scFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slider-captcha-dialog {
    background: #fff;
    border-radius: 16px;
    width: 368px;          /* 24*2 padding + 320 img-wrap */
    padding: 24px 24px 20px 24px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
    position: relative;
    animation: scSlideUp 0.22s ease-out;
    box-sizing: border-box;
}

@keyframes scSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.slider-captcha-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f1f1f;
    margin-bottom: 16px;
}

.slider-captcha-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f0f0f0;
    color: #999;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.15s;
}
.slider-captcha-close:hover {
    background: #e6e6e6;
    color: #666;
}

/* ====== 图片区（紫色背景 + 装饰图） ====== */

.slider-captcha-img-wrap {
    position: relative;
    width: 320px;
    height: 180px;
    border-radius: 8px;
    overflow: visible;  /* 允许滑块/缺口的凸起部分显示在边界外 */
    background: #d8d3f0;
    margin: 0 auto;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

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

/* 滑块（拼图形状 + 实线描边，跟着鼠标走）
   整个滑块是个 SVG 元素：内含背景图（裁剪到拼图形状）+ 实线边框 path
   凸起部分（圆头）超出 viewBox，靠 overflow:visible 显示 */
.slider-captcha-puzzle {
    position: absolute;
    top: 0;
    left: 8px;
    width: 50px;
    height: 50px;
    cursor: grab;
    z-index: 5;
    transition: none;
    overflow: visible;  /* 让超出 viewBox 的凸起圆头显示 */
}
.slider-captcha-puzzle.dragging {
    cursor: grabbing;
}
.slider-captcha-puzzle.disabled {
    cursor: not-allowed;
    pointer-events: none;
}

/* 目标缺口（拼图形状 + 半透明白底 + 虚线描边）
   整个缺口是个 SVG 元素：内含拼图形状 path（fill 半透明 + stroke 虚线） */
.slider-captcha-hole {
    position: absolute;
    top: 0;
    left: 0;
    width: 50px;
    height: 50px;
    z-index: 3;
    pointer-events: none;
    overflow: visible;  /* 凸起圆头超出 viewBox 也要显示 */
}

/* 刷新按钮（图片右上角） */
.slider-captcha-refresh {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #fff;
    color: #1a73e8;
    border: none;
    cursor: pointer;
    z-index: 6;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    font-size: 16px;
    transition: transform 0.3s;
}
.slider-captcha-refresh:hover {
    transform: rotate(180deg);
}
.slider-captcha-refresh:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ====== 底部滑轨 + 拖动按钮 ====== */

.slider-captcha-track {
    position: relative;
    width: 320px;
    height: 44px;
    margin: 16px auto 0;
    background: #f3f3f3;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);  /* 滑轨内边框 */
}

.slider-captcha-track-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #999;
    pointer-events: none;
    transition: color 0.2s;
    z-index: 1;
}

.slider-captcha-progress {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, #e8f0fe 0%, #d2e3fc 100%);
    border-radius: 22px;
    transition: width 0.15s;
    z-index: 0;
}

.slider-captcha-handle {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 60px;
    height: 36px;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a73e8;
    font-size: 18px;
    cursor: grab;
    z-index: 2;
    transition: background 0.15s, color 0.15s;
}
.slider-captcha-handle:hover {
    background: #f5f5f5;
}
.slider-captcha-handle.dragging {
    cursor: grabbing;
    background: #f5f5f5;
}
.slider-captcha-handle.disabled {
    cursor: not-allowed;
    pointer-events: none;
    opacity: 0.7;
}

/* 状态：验证中 */
.slider-captcha-track.verifying .slider-captcha-track-text {
    color: #1a73e8;
    font-weight: 500;
}
.slider-captcha-track.verifying .slider-captcha-handle {
    color: #1a73e8;
}
.slider-captcha-handle .sc-spinner {
    animation: scSpin 0.8s linear infinite;
}
@keyframes scSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 状态：失败 */
.slider-captcha-track.failed {
    animation: scShake 0.4s ease-in-out;
}
.slider-captcha-track.failed .slider-captcha-handle {
    background: #f44336;
    color: #fff;
}
.slider-captcha-track.failed .slider-captcha-track-text {
    color: #f44336;
    font-weight: 500;
}
@keyframes scShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.slider-captcha-error {
    text-align: center;
    color: #f44336;
    font-size: 13px;
    margin-top: 10px;
    min-height: 18px;
    display: none;
}
.slider-captcha-error.show {
    display: block;
}

/* 拼图形状 SVG 的颜色 */
.sc-puzzle-fill {
    fill: rgba(255, 255, 255, 0.95);
    stroke: #1a73e8;
    stroke-width: 1.5;
}
.sc-puzzle-img {
    /* 用于在拼图形状内显示背景图的剪裁 */
    width: 100%;
    height: 100%;
}
.sc-hole-fill {
    fill: rgba(255, 255, 255, 0.55);
    stroke: rgba(0, 0, 0, 0.18);
    stroke-width: 1;
    stroke-dasharray: 3 2;
}