/* Remove Line Breaks Tool Styles */

/* Tool Container - Full Page Layout */
.remove-line-breaks-tool {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 0;
    margin: 0;
}

.tool-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Tool Header */
.tool-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 1rem 0;
}

.tool-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.tool-description {
    font-size: 1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Tool Interface Layout */
.tool-interface {
    display: grid;
    grid-template-columns: 1fr 300px 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: start;
}

/* Section Styles */
.input-section,
.output-section {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: var(--transition);
}

.input-section:hover,
.output-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.options-section {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 2rem;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.options-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    min-height: 36px;
}

.paste-btn {
    background: var(--primary-color);
    color: var(--white);
}

.paste-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.clear-btn {
    background: #ef4444;
    color: var(--white);
}

.clear-btn:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.sample-btn {
    background: #8b5cf6;
    color: var(--white);
}

.sample-btn:hover {
    background: #7c3aed;
    transform: translateY(-1px);
}

.copy-btn {
    background: var(--accent-color);
    color: var(--white);
}

.copy-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.copy-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.download-btn {
    background: #10b981;
    color: var(--white);
}

.download-btn:hover {
    background: #059669;
    transform: translateY(-1px);
}

.download-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

/* Textarea Styles */
.textarea-container {
    position: relative;
}

#inputText,
#outputText {
    width: 100%;
    min-height: 400px;
    padding: 2rem;
    border: none;
    outline: none;
    font-family: 'Georgia', 'Times New Roman', serif;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
    background: var(--white);
    resize: vertical;
}

#inputText::placeholder,
#outputText::placeholder {
    color: var(--text-light);
    font-style: italic;
}

#outputText {
    background: #f8fafc;
    cursor: default;
}

/* Textarea Footer */
.textarea-footer {
    padding: 1rem 2rem;
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.char-count {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Processing Options */
.option-group {
    margin-bottom: 2rem;
}

.option-item {
    margin-bottom: 1rem;
}

.option-item input[type="radio"] {
    display: none;
}

.option-item label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
}

.option-item label:hover {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.option-item input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background: rgba(50, 146, 109, 0.05);
}

.option-item label i {
    font-size: 1.25rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.option-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.option-content strong {
    font-weight: 600;
    color: var(--text-color);
}

.option-content span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.process-btn,
.reset-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
}

.process-btn {
    background: var(--primary-color);
    color: var(--white);
}

.process-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.process-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.reset-btn {
    background: var(--secondary-color);
    color: var(--white);
}

.reset-btn:hover {
    background: #374151;
    transform: translateY(-1px);
}

/* Comparison Section */
.comparison-section {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    margin-bottom: 3rem;
}

.comparison-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 2rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.comparison-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background: var(--bg-light);
}

.comparison-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.comparison-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.comparison-stats span {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.comparison-stats span span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Tool Features */
.tool-features,
.keyboard-shortcuts {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    margin-bottom: 3rem;
}

.tool-features h2,
.keyboard-shortcuts h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background: var(--bg-light);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
}

/* Keyboard Shortcuts */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-light);
    transition: var(--transition);
}

.shortcut-item:hover {
    border-color: var(--primary-color);
    background: rgba(50, 146, 109, 0.05);
}

.shortcut-item kbd {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-color);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    margin: 0 0.125rem;
}

.shortcut-item span {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease-in-out;
    z-index: 1000;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.toast-content i {
    font-size: 1.25rem;
}

/* Focus Styles for Accessibility */
#inputText:focus,
#outputText:focus {
    box-shadow: 0 0 0 3px rgba(50, 146, 109, 0.1);
}

.textarea-container.focused {
    box-shadow: 0 0 0 2px var(--primary-color);
    border-radius: var(--border-radius-lg);
}

/* Processing State */
.processing .process-btn {
    background: var(--text-light);
    cursor: not-allowed;
}

.processing .process-btn i {
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .tool-container {
        max-width: 1200px;
        padding: 1.5rem;
    }

    .tool-interface {
        grid-template-columns: 1fr 280px 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 1024px) {
    .tool-interface {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .options-section {
        position: static;
        order: 2;
    }

    .output-section {
        order: 3;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .tool-header h1 {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .remove-line-breaks-tool {
        padding: 0;
    }

    .tool-container {
        padding: 1rem;
    }

    .tool-header {
        margin-bottom: 1.5rem;
        padding: 0.5rem 0;
    }

    .tool-header h1 {
        font-size: 1.875rem;
    }

    .tool-description {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .keyboard-shortcuts {
        padding: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
        padding: 1rem 1.5rem;
    }

    .header-actions {
        justify-content: center;
        gap: 0.5rem;
    }

    .action-btn {
        flex: 1;
        justify-content: center;
        min-height: 44px;
    }

    #inputText,
    #outputText {
        min-height: 300px;
        padding: 1.5rem;
        font-size: 1rem;
    }

    .options-section {
        padding: 1.5rem;
    }

    .option-item label {
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .option-content strong {
        font-size: 0.875rem;
    }

    .option-content span {
        font-size: 0.8125rem;
    }

    .action-buttons {
        gap: 0.5rem;
    }

    .process-btn,
    .reset-btn {
        padding: 1rem;
        font-size: 0.875rem;
        min-height: 44px;
    }

    .textarea-footer {
        padding: 1rem 1.5rem;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .comparison-stats {
        gap: 1rem;
    }

    .toast {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .tool-container {
        padding: 0.5rem;
    }

    .tool-header h1 {
        font-size: 1.625rem;
    }

    .tool-description {
        font-size: 0.875rem;
    }

    .section-header {
        padding: 1rem;
    }

    .section-header h2 {
        font-size: 1.125rem;
    }

    .options-section h2 {
        font-size: 1.125rem;
    }

    #inputText,
    #outputText {
        padding: 1rem;
        min-height: 250px;
    }

    .option-item label {
        padding: 0.5rem;
        gap: 0.5rem;
    }

    .option-item label i {
        font-size: 1rem;
    }

    .action-buttons {
        gap: 0.5rem;
    }

    .process-btn,
    .reset-btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
        min-height: 44px;
    }

    .char-count {
        font-size: 0.8125rem;
    }

    .comparison-section,
    .tool-features,
    .keyboard-shortcuts {
        padding: 1rem;
    }

    .feature-item {
        padding: 1rem;
    }

    .feature-item i {
        font-size: 1.5rem;
    }

    .feature-item h3 {
        font-size: 0.875rem;
    }

    .feature-item p {
        font-size: 0.8125rem;
    }
}

/* Print Styles */
@media print {
    .remove-line-breaks-tool {
        background: white;
    }

    .tool-header,
    .tool-features,
    .seo-content {
        display: block;
    }

    .tool-interface,
    .comparison-section,
    .toast {
        display: none;
    }
}