/* 验证码组件样式 */
.captcha-widget { margin: 8px 0; }

/* ===== 图片验证码 ===== */
.captcha-image-wrap {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.captcha-image-wrap img {
    height: 34px;
    border-radius: 4px;
    border: 1px solid var(--border, #e2e8f0);
    cursor: pointer;
    flex-shrink: 0;
}
.captcha-image-wrap img:hover { opacity: .75; }
.captcha-image-wrap input {
    width: 90px;
    height: 34px;
    padding: 0 8px;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 4px;
    font-size: 14px;
    letter-spacing: 3px;
    background: var(--bg, #fff);
    color: var(--text, #1e293b);
    outline: none;
}
.captcha-image-wrap input:focus {
    border-color: var(--primary, #3b82f6);
}
.captcha-refresh-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    color: var(--text-muted, #94a3b8);
    display: flex;
    align-items: center;
}
.captcha-refresh-btn:hover { color: var(--primary, #3b82f6); }
.captcha-refresh-btn svg { width: 15px; height: 15px; }

/* ===== 滑动拼图 ===== */
.captcha-slider-wrap {
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border, #e2e8f0);
    background: #f1f5f9;
    width: 260px;
    max-width: 100%;
}
.captcha-slider-wrap img.captcha-slider-bg {
    display: block;
    width: 100%;
    height: auto;
}
.captcha-slider-piece {
    position: absolute;
    left: 0;
    pointer-events: none;
    border-radius: 2px;
    box-shadow: 0 0 4px rgba(0,0,0,.25);
}
.captcha-slider-track {
    position: relative;
    width: 260px;
    max-width: 100%;
    height: 32px;
    background: var(--bg-secondary, #f1f5f9);
    border-radius: 4px;
    margin-top: 6px;
    overflow: hidden;
    border: 1px solid var(--border, #e2e8f0);
}
.captcha-slider-track-fill {
    position: absolute;
    left: 0; top: 0;
    height: 100%; width: 0;
    background: var(--primary-light, #dbeafe);
    border-radius: 4px 0 0 4px;
}
.captcha-slider-thumb {
    position: absolute;
    top: 0; left: 0;
    width: 36px;
    height: 100%;
    background: var(--primary, #3b82f6);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 1px 4px rgba(59,130,246,.3);
    z-index: 2;
}
.captcha-slider-thumb:active { cursor: grabbing; background: #2563eb; }
.captcha-slider-hint {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    font-size: 12px;
    color: var(--text-muted, #94a3b8);
    pointer-events: none;
    white-space: nowrap;
}
.captcha-slider-track.captcha-success .captcha-slider-track-fill { background: #bbf7d0; }
.captcha-slider-track.captcha-success .captcha-slider-thumb { background: #22c55e; }
.captcha-slider-track.captcha-fail .captcha-slider-track-fill { background: #fecaca; }
.captcha-slider-track.captcha-fail .captcha-slider-thumb { background: #ef4444; }

/* auth-modal 内 */
.auth-form .captcha-widget { margin: 8px 0 2px; }
.auth-form .captcha-slider-wrap,
.auth-form .captcha-slider-track { width: 100%; }