/* Slider Puzzle Captcha Styles */
.slider-captcha-wrapper {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    user-select: none;
    -webkit-user-select: none;
}

/* Canvas area */
.slider-captcha-canvas-area {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: box-shadow 0.4s ease;
}

.slider-captcha-canvas-area.verified {
    box-shadow: 0 0 12px rgba(40, 167, 69, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

.slider-captcha-piece {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    transition: none;
}

/* Loading overlay */
.slider-captcha-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5;
    border-radius: 6px;
}

.slider-captcha-loading.show {
    display: flex;
}

.slider-captcha-loading i {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.8);
}

.slider-captcha-spin {
    animation: sliderSpin 1s linear infinite;
}

@keyframes sliderSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Refresh button */
.slider-captcha-refresh {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4;
    padding: 0;
}

.slider-captcha-refresh:hover {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(180deg);
}

.slider-captcha-refresh.loading {
    pointer-events: none;
    opacity: 0.5;
}

.slider-captcha-refresh.loading i {
    animation: sliderSpin 1s linear infinite;
}

/* Slider track */
.slider-captcha-track {
    position: relative;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    overflow: hidden;
    cursor: default;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.slider-captcha-track.success {
    border-color: #28a745;
    background: rgba(40, 167, 69, 0.15);
}

.slider-captcha-track.fail {
    border-color: #dc3545;
    background: rgba(220, 53, 69, 0.15);
    animation: sliderShake 0.5s ease;
}

/* Track fill */
.slider-captcha-track-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, rgba(184, 134, 11, 0.3), rgba(184, 134, 11, 0.5));
    border-radius: 20px 0 0 20px;
    transition: none;
    pointer-events: none;
}

.slider-captcha-track.success .slider-captcha-track-fill {
    background: linear-gradient(90deg, rgba(40, 167, 69, 0.3), rgba(40, 167, 69, 0.5));
}

/* Slider handle */
.slider-captcha-handle {
    position: absolute;
    top: 2px;
    left: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #b8860b, #d4a017);
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: box-shadow 0.2s ease, transform 0.1s ease;
    z-index: 2;
    touch-action: none;
}

.slider-captcha-handle:hover {
    box-shadow: 0 3px 10px rgba(184, 134, 11, 0.5);
}

.slider-captcha-handle.active {
    cursor: grabbing;
    transform: scale(1.1);
    box-shadow: 0 4px 14px rgba(184, 134, 11, 0.6);
}

.slider-captcha-track.success .slider-captcha-handle {
    background: linear-gradient(135deg, #28a745, #34d058);
    cursor: default;
}

.slider-captcha-track.fail .slider-captcha-handle {
    background: linear-gradient(135deg, #dc3545, #e74c5c);
}

/* Hint text */
.slider-captcha-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    white-space: nowrap;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.slider-captcha-track.success .slider-captcha-hint {
    color: #28a745;
    font-weight: 600;
}

.slider-captcha-track.fail .slider-captcha-hint {
    color: #dc3545;
}

/* Shake animation */
@keyframes sliderShake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* Responsive */
@media (max-width: 480px) {
    .slider-captcha-wrapper {
        max-width: 280px;
    }

    .slider-captcha-track {
        height: 38px;
    }

    .slider-captcha-handle {
        width: 34px;
        height: 34px;
    }

    .slider-captcha-hint {
        font-size: 11px;
    }

    .slider-captcha-refresh {
        width: 26px;
        height: 26px;
        font-size: 12px;
    }
}