/* QR Code Generator Tool Styles */

.tool-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Section Styles */
.input-section,
.config-section,
.output-section,
.batch-section,
.templates-section {
    background: var(--card-bg, #ffffff);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color, #e1e5e9);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color, #007bff);
}

.section-header h2 {
    margin: 0;
    color: var(--text-primary, #333);
    font-size: 1.25rem;
    font-weight: 600;
}

/* Content Type Selection */
.content-type-section {
    margin-bottom: 1.5rem;
}

.content-type-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary, #333);
}

.content-type-section select {
    width: 100%;
    max-width: 300px;
    padding: 0.75rem;
    border: 2px solid var(--border-color, #e1e5e9);
    border-radius: 6px;
    font-size: 14px;
    background: var(--input-bg, #ffffff);
    transition: border-color 0.3s ease;
}

.content-type-section select:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Input Forms */
.input-form {
    display: none;
    animation: fadeIn 0.3s ease;
}

.input-form.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.input-form label {
    display: block;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
    font-weight: 500;
    color: var(--text-primary, #333);
}

.input-form label:first-child {
    margin-top: 0;
}

.input-form input,
.input-form textarea,
.input-form select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color, #e1e5e9);
    border-radius: 6px;
    font-size: 14px;
    background: var(--input-bg, #ffffff);
    transition: border-color 0.3s ease;
}

.input-form input:focus,
.input-form textarea:focus,
.input-form select:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.input-form textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

#textInput {
    min-height: 120px;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color, #007bff);
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    user-select: none;
}

/* Configuration */
.config-content,
.batch-content {
    transition: all 0.3s ease;
    overflow: hidden;
}

.config-content.collapsed,
.batch-content.collapsed {
    max-height: 0;
    padding: 0;
    margin: 0;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.config-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.config-group label {
    font-weight: 500;
    color: var(--text-primary, #333);
    font-size: 0.9rem;
}

.config-group input[type="range"] {
    width: 100%;
    margin: 0.5rem 0;
}

.config-group input[type="color"] {
    width: 60px;
    height: 40px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.config-group select {
    padding: 0.5rem;
    border: 2px solid var(--border-color, #e1e5e9);
    border-radius: 6px;
    background: var(--input-bg, #ffffff);
}

.config-group span {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
}

/* Controls */
.input-controls,
.output-controls,
.batch-controls {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--primary-color, #007bff);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover, #0056b3);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--secondary-color, #6c757d);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-hover, #545b62);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color, #007bff);
    border: 2px solid var(--primary-color, #007bff);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-color, #007bff);
    color: white;
}

/* QR Code Output */
.qr-output {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background: var(--qr-bg, #f8f9fa);
    border: 2px dashed var(--border-color, #e1e5e9);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.qr-container.has-qr {
    border-style: solid;
    background: var(--qr-active-bg, #ffffff);
}

.qr-placeholder {
    text-align: center;
    color: var(--text-secondary, #666);
}

.qr-placeholder svg {
    margin-bottom: 1rem;
    opacity: 0.5;
}

.qr-placeholder p {
    margin: 0;
    font-style: italic;
}

#qrCodeCanvas,
#qrCodeSVG {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* QR Info */
.qr-info {
    background: var(--info-bg, #f8f9fa);
    border-radius: 8px;
    padding: 1.5rem;
}

.info-grid {
    display: grid;
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--info-item-bg, #ffffff);
    border-radius: 6px;
    border-left: 4px solid var(--primary-color, #007bff);
}

.info-label {
    font-weight: 500;
    color: var(--text-secondary, #666);
}

.info-item span:last-child {
    font-weight: 600;
    color: var(--text-primary, #333);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Batch Generation */
.batch-input {
    margin-bottom: 2rem;
}

.batch-input label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary, #333);
}

#batchData {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    border: 2px solid var(--border-color, #e1e5e9);
    border-radius: 6px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    background: var(--input-bg, #ffffff);
    resize: vertical;
}

#batchData:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.batch-controls {
    margin-top: 1rem;
}

.batch-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.batch-item {
    background: var(--batch-item-bg, #f8f9fa);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--border-color, #e1e5e9);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.batch-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.batch-item canvas,
.batch-item svg {
    max-width: 100%;
    height: auto;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.batch-item-label {
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
    margin-bottom: 0.5rem;
    word-break: break-all;
}

.batch-item-controls {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
}

.batch-item-controls .btn {
    padding: 0.4rem 0.8rem;
    font-size: 12px;
}

/* Templates */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.template-item {
    background: var(--template-bg, #f8f9fa);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color, #e1e5e9);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.template-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.template-item h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary, #333);
    font-size: 1rem;
}

.template-item p {
    margin: 0 0 1rem 0;
    color: var(--text-secondary, #666);
    font-size: 0.9rem;
    line-height: 1.4;
}

.template-item .btn {
    width: 100%;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color, #007bff);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Copy Feedback */
.copy-success {
    background: var(--success-color, #28a745) !important;
    color: white !important;
}

/* Error State */
.error {
    color: var(--error-color, #dc3545);
    background: var(--error-bg, #f8d7da);
    border: 1px solid var(--error-border, #f5c6cb);
    border-radius: 6px;
    padding: 1rem;
    margin: 1rem 0;
}

/* Success State */
.success {
    color: var(--success-color, #155724);
    background: var(--success-bg, #d4edda);
    border: 1px solid var(--success-border, #c3e6cb);
    border-radius: 6px;
    padding: 1rem;
    margin: 1rem 0;
}

/* Print Styles */
@media print {
    .tool-main {
        padding: 0;
    }
    
    .section-header,
    .input-controls,
    .output-controls,
    .batch-controls,
    .config-section,
    .batch-section,
    .templates-section {
        display: none;
    }
    
    .qr-output {
        grid-template-columns: 1fr;
        justify-items: center;
    }
    
    .qr-container {
        border: none;
        background: transparent;
        padding: 0;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .qr-output {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .config-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .tool-main {
        padding: 1rem;
        gap: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .input-controls,
    .output-controls,
    .batch-controls {
        width: 100%;
        justify-content: flex-start;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .config-grid {
        grid-template-columns: 1fr;
    }
    
    .templates-grid {
        grid-template-columns: 1fr;
    }
    
    .batch-results {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .qr-container {
        padding: 1rem;
        min-height: 250px;
    }
}

@media (max-width: 480px) {
    .tool-main {
        padding: 0.5rem;
    }
    
    .input-section,
    .config-section,
    .output-section,
    .batch-section,
    .templates-section {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 13px;
    }
    
    .qr-container {
        min-height: 200px;
        padding: 0.5rem;
    }
    
    .batch-results {
        grid-template-columns: 1fr;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --card-bg: #2d3748;
        --input-bg: #4a5568;
        --text-primary: #e2e8f0;
        --text-secondary: #a0aec0;
        --border-color: #4a5568;
        --qr-bg: #4a5568;
        --qr-active-bg: #2d3748;
        --info-bg: #4a5568;
        --info-item-bg: #2d3748;
        --template-bg: #4a5568;
        --batch-item-bg: #4a5568;
    }
}