/* Advanced CAPTCHA Styles */

.advanced-captcha-container {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    margin: 1.5rem 0;
    box-shadow: 0 4px 6px var(--shadow);
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s, border-color 0.3s;
}

.advanced-captcha-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(255, 255, 255, 0.03) 10px,
            rgba(255, 255, 255, 0.03) 20px
        );
    pointer-events: none;
}

.captcha-header {
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.captcha-header h4 {
    margin: 0 0 0.25rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.captcha-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color 0.3s;
}

.captcha-content {
    position: relative;
    z-index: 1;
}

/* CAPTCHA Image Styles */
.captcha-image-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
}

.captcha-image {
    display: block;
    width: 250px;
    height: 80px;
    border-radius: 6px;
    background: var(--bg-primary);
    user-select: none;
    border: 1px solid var(--border-color);
}

.captcha-refresh-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--primary-color);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: background-color 0.2s ease, opacity 0.2s ease;
    z-index: 2;
    opacity: 0.85;
}

.captcha-refresh-btn:hover {
    background: var(--primary-hover);
    opacity: 1;
}

.captcha-refresh-btn:active {
    transform: scale(0.95);
}

/* Input Field */
.captcha-code-input {
    font-size: 1.1rem;
    letter-spacing: 0.15rem;
    font-weight: 500;
    text-transform: uppercase;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.captcha-code-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    background-color: var(--bg-secondary);
}

.captcha-code-input::placeholder {
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: normal;
    opacity: 0.6;
}

/* Form Group */
.advanced-captcha-container .form-group {
    margin-bottom: 0.5rem;
}

.form-text {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
    transition: color 0.3s;
}

/* Honeypot Fields (hidden) */
.advanced-captcha-container input[style*="display:none"] {
    display: none !important;
    visibility: hidden !important;
    height: 0;
    width: 0;
    margin: 0;
    padding: 0;
    border: none;
}

/* Responsive Design */
@media (max-width: 600px) {
    .advanced-captcha-container {
        padding: 1rem;
    }
    
    .captcha-image {
        width: 200px;
        height: 65px;
    }
    
    .captcha-code-input {
        font-size: 1rem;
    }
}

/* Error State */
.advanced-captcha-container.captcha-error {
    border-color: var(--danger-color);
    background: var(--bg-secondary);
}

.advanced-captcha-container.captcha-error .captcha-header h4 {
    color: var(--danger-color);
}

.advanced-captcha-container.captcha-error .captcha-header p {
    color: var(--danger-color);
}

/* Success State */
.advanced-captcha-container.captcha-success {
    border-color: var(--success-color);
    background: var(--bg-secondary);
}

.advanced-captcha-container.captcha-success .captcha-header h4 {
    color: var(--success-color);
}

/* Animation */
@keyframes captchaShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.captcha-shake {
    animation: captchaShake 0.4s ease-in-out;
}