/* Barcode Generator Styles */
:root {
    --barcode-primary: #0f172a;
    --barcode-secondary: #3b82f6;
    --barcode-accent: #8b5cf6;
    --barcode-success: #10b981;
    --barcode-bg: #ffffff;
    --barcode-surface: #f8fafc;
    --barcode-border: #e2e8f0;
    --barcode-text: #1e293b;
    --barcode-text-light: #64748b;
    --barcode-radius: 12px;
    --barcode-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --barcode-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.barcode-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--barcode-text);
    line-height: 1.6;
}

/* Hero */
.barcode-hero {
    text-align: center;
    margin-bottom: 3rem;
}

.barcode-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--barcode-secondary), var(--barcode-accent));
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.barcode-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin: 0 0 1rem;
    color: var(--barcode-primary);
}

.barcode-subtitle {
    font-size: 1.25rem;
    color: var(--barcode-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Tool Wrapper */
.barcode-tool-wrapper {
    background: var(--barcode-surface);
    border-radius: var(--barcode-radius);
    padding: 2rem;
    margin-bottom: 3rem;
    border: 1px solid var(--barcode-border);
    box-shadow: var(--barcode-shadow-lg);
}

.barcode-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 968px) {
    .barcode-layout {
        grid-template-columns: 1fr;
    }
}

/* Controls */
.barcode-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.barcode-control-section {
    margin-bottom: 0.5rem;
}

.barcode-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--barcode-text);
    font-size: 0.95rem;
}

/* Type Grid */
.barcode-type-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.barcode-type-btn {
    background: white;
    border: 2px solid var(--barcode-border);
    border-radius: var(--barcode-radius);
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.barcode-type-btn:hover {
    border-color: var(--barcode-secondary);
    transform: translateY(-2px);
    box-shadow: var(--barcode-shadow);
}

.barcode-type-btn.active {
    border-color: var(--barcode-secondary);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.type-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.type-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--barcode-text);
}

.type-desc {
    font-size: 0.8rem;
    color: var(--barcode-text-light);
}

/* Textarea */
.barcode-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--barcode-border);
    border-radius: var(--barcode-radius);
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    resize: vertical;
    transition: border-color 0.2s;
    background: white;
}

.barcode-textarea:focus {
    outline: none;
    border-color: var(--barcode-secondary);
}

.barcode-hint {
    font-size: 0.875rem;
    color: var(--barcode-text-light);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Options Grid */
.barcode-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.barcode-control-group {
    display: flex;
    flex-direction: column;
}

.barcode-select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--barcode-border);
    border-radius: 8px;
    background: white;
    font-size: 0.95rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.barcode-select:focus {
    outline: none;
    border-color: var(--barcode-secondary);
}

.barcode-color-input {
    width: 100%;
    height: 44px;
    border: 2px solid var(--barcode-border);
    border-radius: 8px;
    cursor: pointer;
    background: white;
}

/* Toggles */
.barcode-toggles {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.barcode-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.barcode-toggle input {
    display: none;
}

.toggle-slider {
    width: 50px;
    height: 26px;
    background: var(--barcode-border);
    border-radius: 13px;
    position: relative;
    transition: background 0.3s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.barcode-toggle input:checked + .toggle-slider {
    background: var(--barcode-secondary);
}

.barcode-toggle input:checked + .toggle-slider::after {
    transform: translateX(24px);
}

.toggle-label {
    font-weight: 500;
    color: var(--barcode-text);
}

/* Actions */
.barcode-actions {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 0.75rem;
}

.barcode-btn {
    padding: 0.875rem 1rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.barcode-generate-btn {
    background: linear-gradient(135deg, var(--barcode-secondary), var(--barcode-accent));
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.39);
}

.barcode-generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
}

.barcode-download-btn,
.barcode-svg-btn {
    background: white;
    color: var(--barcode-text);
    border: 2px solid var(--barcode-border);
}

.barcode-download-btn:hover,
.barcode-svg-btn:hover {
    border-color: var(--barcode-success);
    color: var(--barcode-success);
    background: rgba(16, 185, 129, 0.05);
}

/* Preview Panel */
.barcode-preview-panel {
    background: white;
    border-radius: var(--barcode-radius);
    border: 2px solid var(--barcode-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.barcode-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--barcode-surface);
    border-bottom: 1px solid var(--barcode-border);
}

.preview-label {
    font-weight: 600;
    color: var(--barcode-text);
}

.barcode-dimensions {
    font-size: 0.875rem;
    color: var(--barcode-text-light);
    font-family: monospace;
}

.barcode-canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    min-height: 300px;
    position: relative;
    background-image: 
        linear-gradient(45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(-45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #f0f0f0 75%),
        linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.barcode-svg {
    max-width: 100%;
    height: auto;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--barcode-shadow);
}

.qrcode-container {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--barcode-shadow);
}

.qrcode-container img {
    display: block;
    max-width: 100%;
    height: auto;
}

.barcode-placeholder {
    text-align: center;
    color: var(--barcode-text-light);
    font-size: 1.1rem;
}

.barcode-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--barcode-surface);
    border-top: 1px solid var(--barcode-border);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--barcode-text-light);
    font-weight: 600;
}

.info-value {
    font-weight: 700;
    color: var(--barcode-text);
    font-size: 0.95rem;
}

/* Sections */
.barcode-section {
    margin-bottom: 3rem;
}

.barcode-section-title {
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--barcode-text);
}

.barcode-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.barcode-step {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--barcode-radius);
    border: 1px solid var(--barcode-border);
    transition: transform 0.3s;
}

.barcode-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--barcode-shadow-lg);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--barcode-secondary), var(--barcode-accent));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.barcode-step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.barcode-step p {
    color: var(--barcode-text-light);
    line-height: 1.6;
}

/* Types Section */
.barcode-types-section {
    margin-bottom: 3rem;
}

.barcode-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.type-info-card {
    background: white;
    border-radius: var(--barcode-radius);
    border: 1px solid var(--barcode-border);
    padding: 1.5rem;
    transition: all 0.3s;
}

.type-info-card:hover {
    box-shadow: var(--barcode-shadow-lg);
    transform: translateY(-3px);
}

.type-info-card.full-width {
    grid-column: 1 / -1;
}

.type-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.type-icon-large {
    font-size: 2.5rem;
}

.type-header h3 {
    font-size: 1.5rem;
    margin: 0;
    flex: 1;
}

.type-badge {
    background: var(--barcode-surface);
    color: var(--barcode-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.type-info-card p {
    color: var(--barcode-text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.type-specs {
    list-style: none;
    padding: 0;
    margin: 0;
}

.type-specs li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--barcode-border);
    font-size: 0.95rem;
    color: var(--barcode-text);
}

.type-specs li:last-child {
    border-bottom: none;
}

/* SEO Content */
.barcode-seo-content {
    margin-bottom: 3rem;
}

.barcode-seo-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem;
    color: var(--barcode-text);
}

.barcode-seo-content p {
    margin-bottom: 1.25rem;
    color: var(--barcode-text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

.barcode-applications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.app-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--barcode-radius);
    border: 1px solid var(--barcode-border);
    border-left: 4px solid var(--barcode-secondary);
}

.app-card h4 {
    margin: 0 0 0.75rem;
    font-size: 1.125rem;
    color: var(--barcode-text);
}

.app-card p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--barcode-text-light);
}

/* FAQ */
.barcode-faq-section {
    margin-bottom: 3rem;
}

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

.barcode-faq-item {
    background: white;
    border: 1px solid var(--barcode-border);
    border-radius: var(--barcode-radius);
    margin-bottom: 1rem;
    overflow: hidden;
}

.barcode-faq-question {
    width: 100%;
    padding: 1.25rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--barcode-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.barcode-faq-question:hover {
    background: var(--barcode-surface);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--barcode-secondary);
    font-weight: 300;
    transition: transform 0.3s;
}

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

.barcode-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.25rem;
}

.barcode-faq-item.active .barcode-faq-answer {
    max-height: 500px;
    padding: 0 1.25rem 1.25rem;
}

.barcode-faq-answer p {
    color: var(--barcode-text-light);
    line-height: 1.7;
    margin: 0;
}

/* CTA */
.barcode-cta-box {
    background: linear-gradient(135deg, var(--barcode-primary), #1e293b);
    color: white;
    padding: 3rem;
    border-radius: var(--barcode-radius);
    text-align: center;
    box-shadow: var(--barcode-shadow-lg);
}

.barcode-cta-box h3 {
    font-size: 1.875rem;
    margin-bottom: 1rem;
}

.barcode-cta-box p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

.barcode-cta-btn {
    background: white;
    color: var(--barcode-primary);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

.barcode-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .barcode-container {
        padding: 1rem;
    }
    
    .barcode-tool-wrapper {
        padding: 1rem;
    }
    
    .barcode-type-grid {
        grid-template-columns: 1fr;
    }
    
    .barcode-options-grid {
        grid-template-columns: 1fr;
    }
    
    .barcode-actions {
        grid-template-columns: 1fr;
    }
    
    .barcode-info {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .barcode-types-grid {
        grid-template-columns: 1fr;
    }
    
    .type-info-card.full-width {
        grid-column: auto;
    }
    
    .barcode-cta-box {
        padding: 2rem 1.5rem;
    }
}