/* Utilities Page Styles - Following Project Design System */

/* Tool Content Section */
.tool-content {
    margin-bottom: 40px;
}

/* Utilities Tools Grid - Consistent with Converter Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

/* Tool Card - Following Project Card Design */
.tool-card {
    background: var(--bg-primary);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    padding: 24px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: left var(--transition-normal);
}

.tool-card:hover::before {
    left: 0;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Tool Icon - Following Project Icon Design */
.tool-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

/* Enhanced Tool Styles */
.tool-header {
    padding: 32px 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 2rem;
}

.tool-icon-large {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    font-size: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.tool-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tool-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.tool-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 25px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.stat-item i {
    color: var(--primary-color);
}

/* Form Enhancements */
.enhanced-input {
    border: 2px solid var(--border-light);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.enhanced-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(245, 57, 57, 0.1);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-color);
}

.input-wrapper {
    position: relative;
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.character-counter {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.character-counter.text-warning {
    color: var(--warning-color);
}

.character-counter.text-danger {
    color: var(--danger-color);
}

/* Enhanced Buttons */
.enhanced-btn {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    padding: 12px 32px;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.enhanced-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.enhanced-btn .btn-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}

/* File Drop Zone */
.file-drop-zone {
    border: 2px dashed var(--border-medium);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.file-drop-zone:hover,
.file-drop-zone:focus {
    border-color: var(--primary-color);
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.file-drop-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(245, 57, 57, 0.05);
    transform: scale(1.02);
}

.drop-zone-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.drop-zone-text h5 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.drop-zone-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.btn-link {
    color: var(--primary-color);
    text-decoration: underline;
    border: none;
    background: none;
    padding: 0;
    font: inherit;
    cursor: pointer;
}

.btn-link:hover {
    color: var(--primary-hover);
}

.drop-zone-formats {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Image Preview */
.image-preview-container {
    position: relative;
    display: inline-block;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.image-preview {
    max-width: 300px;
    max-height: 300px;
    border-radius: 12px;
    display: block;
}

.preview-overlay {
    position: absolute;
    top: 8px;
    right: 8px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.image-preview-container:hover .preview-overlay {
    opacity: 1;
}

/* Results Section */
.results-section {
    margin-top: 2rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-light);
}

.result-header {
    text-align: center;
    margin-bottom: 2rem;
}

.result-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.result-description {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Content Display */
.content-wrapper {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-light);
}

.content-header {
    margin-bottom: 1rem;
}

.content-type-badge {
    margin-left: 0.5rem;
}

.decoded-text {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    max-height: 200px;
    overflow-y: auto;
    word-break: break-all;
}

.decoded-text pre {
    margin: 0;
    white-space: pre-wrap;
}

.content-actions {
    margin-bottom: 1.5rem;
}

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

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Enhanced Error Section */
.error-section {
    margin-top: 2rem;
}

.enhanced-alert {
    border-radius: 16px;
    border: none;
    padding: 2rem;
    display: flex;
    gap: 1rem;
}

.alert-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.alert-message {
    margin-bottom: 1rem;
}

.alert-suggestions {
    margin-bottom: 1rem;
}

/* QR Code Image */
.qr-code-image {
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.qr-preview-container {
    text-align: center;
}

.qr-image-wrapper {
    margin-bottom: 2rem;
}

.qr-actions {
    margin-bottom: 2rem;
}

.qr-info {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 0 16px;
    }
    
    .tool-card {
        margin: 0;
        padding: 20px;
    }
    
    .tool-header {
        padding: 2rem 0;
    }
    
    .tool-title {
        font-size: 2rem;
    }
    
    .tool-stats {
        gap: 1rem;
    }
    
    .stat-item {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .file-drop-zone {
        padding: 2rem 1rem;
    }
    
    .drop-zone-icon {
        font-size: 2rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-group {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-group .btn {
        width: 100%;
    }
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.tool-icon.qr-generate {
    background: linear-gradient(135deg, #007bff, #0056b3);
}

.tool-icon.qr-decode {
    background: linear-gradient(135deg, #17a2b8, #138496);
}

.tool-icon.url-shorten {
    background: linear-gradient(135deg, #28a745, #1e7e34);
}

.tool-icon.password-gen {
    background: linear-gradient(135deg, #ffc107, #e0a800);
}

.tool-icon.id-gen {
    background: linear-gradient(135deg, #6c757d, #545b62);
}

.result-container {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.copy-button {
    transition: all 0.2s ease;
}

.copy-button:hover {
    transform: scale(1.05);
}

.strength-indicator {
    height: 4px;
    border-radius: 2px;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
}

.strength-weak {
    background: linear-gradient(90deg, #dc3545 0%, #dc3545 33%, #e9ecef 33%);
}

.strength-medium {
    background: linear-gradient(90deg, #ffc107 0%, #ffc107 66%, #e9ecef 66%);
}

.strength-strong {
    background: linear-gradient(90deg, #28a745 0%, #28a745 100%);
}

.qr-preview {
    max-width: 300px;
    border: 3px solid #e9ecef;
    border-radius: 10px;
    padding: 1rem;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.file-drop-zone {
    border: 2px dashed #dee2e6;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-drop-zone:hover {
    border-color: var(--bs-primary);
    background-color: rgba(var(--bs-primary-rgb), 0.05);
}

.file-drop-zone.dragover {
    border-color: var(--bs-success);
    background-color: rgba(var(--bs-success-rgb), 0.1);
}

.password-display {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem;
}

.id-display {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 0.5rem;
    word-break: break-all;
}

.utility-tips {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.utility-tips h6 {
    color: var(--bs-primary);
    margin-bottom: 1rem;
}

.utility-tips ul {
    margin-bottom: 0;
}

.utility-tips li {
    margin-bottom: 0.5rem;
    color: #6c757d;
}

.form-range {
    height: 8px;
}

.form-range::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    background: var(--bs-primary);
    border-radius: 50%;
    border: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.form-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--bs-primary);
    border-radius: 50%;
    border: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.btn-generate {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
    border: none;
    border-radius: 8px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--bs-primary-rgb), 0.4);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--bs-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 0.6s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}


/* Responsive design */
@media (max-width: 768px) {
    .tool-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .utility-tips {
        padding: 1rem;
    }
    
    .btn-generate {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .tools-grid {
        margin: 0 8px;
        gap: 12px;
    }
    
    .tool-card {
        padding: 16px;
        margin: 0;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .password-display,
    .id-display {
        font-size: 0.8rem;
    }
}