/* Main Container Styles */
.invisible-main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* Hero Section Styles */
.invisible-hero-section {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 20px;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    border-radius: 15px;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.invisible-main-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.invisible-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Tool Container Styles */
.invisible-tool-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.invisible-input-section, .invisible-output-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.invisible-input-label {
    font-weight: 600;
    color: #444;
    font-size: 1.1rem;
}

.invisible-textarea {
    min-height: 150px;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    resize: vertical;
    transition: all 0.3s;
    background-color: #fff;
}

.invisible-textarea:focus {
    outline: none;
    border-color: #6e8efb;
    box-shadow: 0 0 0 3px rgba(110, 142, 251, 0.2);
}

/* Special styling for output to show invisible text is present */
.invisible-output-section {
    position: relative;
}

.invisible-textarea#invisible-output {
    background-color: #f8f9fa;
    position: relative;
}

.invisible-textarea#invisible-output:not(:empty) {
    background-color: #e8f4ff;
    border-color: #a777e3;
    background-image: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 5px,
        rgba(110, 142, 251, 0.05) 5px,
        rgba(110, 142, 251, 0.05) 10px
    );
}

.invisible-textarea#invisible-output:empty::before {
    content: "Invisible text will appear here";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #999;
    font-size: 0.9rem;
    pointer-events: none;
}

.invisible-textarea#invisible-output:not(:empty)::after {
    content: "Text is invisible (select to see)";
    position: absolute;
    bottom: 10px;
    right: 10px;
    color: #6e8efb;
    font-size: 0.8rem;
    font-style: italic;
    background: rgba(255, 255, 255, 0.7);
    padding: 2px 5px;
    border-radius: 3px;
}

/* Button Styles with Active States - Fixed */
.invisible-button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.invisible-btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.invisible-btn:active {
    transform: scale(0.98);
}

.invisible-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.invisible-primary-btn {
    background-color: #6e8efb;
    color: white;
    box-shadow: 0 3px 0 #4a6bd1;
}

.invisible-primary-btn:hover {
    background-color: #5a7df4;
    transform: translateY(-2px);
    box-shadow: 0 5px 0 #4a6bd1;
}

.invisible-primary-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 0 #4a6bd1;
}

.invisible-secondary-btn {
    background-color: #4CAF50;
    color: white;
    box-shadow: 0 3px 0 #3d8b40;
}

.invisible-secondary-btn:hover {
    background-color: #3e8e41;
    transform: translateY(-2px);
    box-shadow: 0 5px 0 #3d8b40;
}

.invisible-secondary-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 0 #3d8b40;
}

.invisible-tertiary-btn {
    background-color: #f44336;
    color: white;
    box-shadow: 0 3px 0 #d32f2f;
}

.invisible-tertiary-btn:hover {
    background-color: #d32f2f;
    transform: translateY(-2px);
    box-shadow: 0 5px 0 #b71c1c;
}

.invisible-tertiary-btn:active {
    transform: translateY(1px);
    box-shadow: 0 1px 0 #b71c1c;
}

.invisible-character-count {
    text-align: right;
    font-size: 0.9rem;
    color: #666;
}

/* Info Boxes Section */
.invisible-info-section {
    margin: 50px 0;
}

.invisible-info-boxes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.invisible-info-box {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eee;
}

.invisible-info-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.invisible-info-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    transition: transform 0.3s;
}

.invisible-info-box:hover .invisible-info-icon {
    transform: scale(1.1);
}

.invisible-info-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #6e8efb;
    transition: color 0.3s;
}

.invisible-info-box:hover .invisible-info-title {
    color: #a777e3;
}

.invisible-info-text {
    color: #666;
    line-height: 1.6;
}

/* Content Section Styles */
.invisible-content-section {
    margin: 50px 0;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
}

.invisible-content-title {
    font-size: 1.8rem;
    color: #444;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.invisible-content-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, #6e8efb, #a777e3);
    border-radius: 3px;
}

.invisible-content-paragraph {
    max-width: 800px;
    margin: 0 auto 30px;
    line-height: 1.8;
    color: #555;
    font-size: 1.05rem;
}

.invisible-feature-box {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
    border-left: 5px solid #6e8efb;
    transition: transform 0.3s;
}

.invisible-feature-box:hover {
    transform: translateX(5px);
}

.invisible-feature-title {
    font-size: 1.4rem;
    color: #444;
    margin-bottom: 15px;
}

.invisible-feature-list {
    padding-left: 20px;
    line-height: 1.8;
}

.invisible-feature-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.invisible-feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #6e8efb;
    font-weight: bold;
}

.invisible-tip-box {
    background: #fff8e1;
    padding: 20px;
    border-radius: 10px;
    border-left: 5px solid #ffc107;
    margin: 30px 0;
    transition: transform 0.3s;
}

.invisible-tip-box:hover {
    transform: translateX(5px);
}

.invisible-tip-title {
    font-size: 1.2rem;
    color: #ff9800;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.invisible-tip-title::before {
    content: '💡';
}

.invisible-internal-link {
    color: #6e8efb;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.invisible-internal-link:hover {
    color: #a777e3;
    text-decoration: underline;
}

/* FAQ Section Styles */
.invisible-faq-section {
    margin: 50px 0;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
}

.invisible-faq-title {
    font-size: 1.8rem;
    color: #444;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.invisible-faq-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, #6e8efb, #a777e3);
    border-radius: 3px;
}

.invisible-faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.invisible-faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.invisible-faq-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.invisible-faq-question {
    width: 100%;
    padding: 18px 25px;
    text-align: left;
    background: white;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: #444;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

.invisible-faq-question:hover {
    background-color: #f8f9fa;
    color: #6e8efb;
}

.invisible-faq-icon {
    font-size: 1.3rem;
    transition: all 0.3s;
    color: #6e8efb;
}

.invisible-faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    background: #f8f9fa;
    transition: all 0.3s ease-out;
    line-height: 1.7;
}

.invisible-faq-item.active .invisible-faq-answer {
    padding: 20px 25px;
    max-height: 500px;
}

.invisible-faq-item.active .invisible-faq-icon {
    transform: rotate(45deg);
}

/* Tooltip Styles */
.invisible-tooltip {
    position: fixed;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    z-index: 1000;
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.invisible-tooltip-fade {
    opacity: 0 !important;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .invisible-main-title {
        font-size: 2rem;
    }
    
    .invisible-subtitle {
        font-size: 1rem;
    }
    
    .invisible-button-group {
        flex-direction: column;
    }
    
    .invisible-btn {
        width: 100%;
    }
    
    .invisible-info-boxes {
        grid-template-columns: 1fr;
    }
    
    .invisible-content-section,
    .invisible-faq-section {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .invisible-main-title {
        font-size: 1.8rem;
    }
    
    .invisible-tool-container {
        padding: 20px 15px;
    }
    
    .invisible-content-title,
    .invisible-faq-title {
        font-size: 1.5rem;
    }
    
    .invisible-feature-box,
    .invisible-tip-box {
        padding: 15px;
    }
    
    .invisible-btn {
        padding: 10px 15px;
    }
}