:root {
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-lighter: #818cf8;
    --secondary: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1e293b;
    --darker: #0f172a;
    --light: #f8fafc;
    --gray: #94a3b8;
    --gray-light: #e2e8f0;
    --gray-lighter: #f1f5f9;
    --success: #10b981;
    --info: #3b82f6;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-primary: 0 4px 14px rgba(99, 102, 241, 0.25);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--gray-lighter);
    color: var(--dark);
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.headerp {
    text-align: center;
margin-bottom: 1rem;
margin-top: -0.7rem;
background-color: var(--white);
border-radius: 0.75rem;
box-shadow: var(--shadow-sm);
padding: 1rem 0.1rem;
}

.headerp h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--darker);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.headerp h1 i {
    color: var(--primary);
    background: var(--gray-lighter);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.headerp .subtitle {
    font-size: 1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.tool-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.panel {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.panel:hover {
    box-shadow: var(--shadow-xl);
}

.panel-header {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-lighter);
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--darker);
    font-size: 1rem;
}

.panel-title i {
    color: var(--primary);
}

.panel-actions {
    display: flex;
    gap: 0.5rem;
}

.btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn:active {
    transform: translateY(0);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 1px solid var(--gray-light);
}

.btn-secondary:hover {
    background: var(--gray-lighter);
    border-color: var(--primary-light);
}

.btn-success {
    background: var(--success);
}

.btn-success:hover {
    background: #0e9f72;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-danger {
    background: var(--danger);
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.upload-section {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.upload-option {
    border: 2px dashed var(--gray-light);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: rgba(241, 245, 249, 0.5);
    position: relative;
}

.upload-option:hover {
    border-color: var(--primary-light);
    background: rgba(79, 70, 229, 0.03);
    transform: translateY(-2px);
}

.upload-option.active {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

.upload-text {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.upload-subtext {
    color: var(--gray);
    font-size: 0.85rem;
}

#file-input {
    display: none;
}

.file-list {
    margin-top: 1rem;
    max-height: 300px;
    overflow-y: auto;
    border-radius: var(--radius);
}

.file-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    background: var(--gray-lighter);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.file-item:hover {
    background: var(--gray-light);
}

.file-item.selected {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

.file-thumbnail {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    margin-right: 0.75rem;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.file-thumbnail img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
}

.file-dimensions {
    font-size: 0.75rem;
    color: var(--gray);
}

.file-remove {
    color: var(--danger);
    cursor: pointer;
    margin-left: 0.5rem;
    font-size: 0.9rem;
    padding: 0.4rem;
    border-radius: 50%;
    transition: var(--transition);
}

.file-remove:hover {
    background: rgba(239, 68, 68, 0.1);
}

.preview-container {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-light);
    text-align: center;
    background: var(--gray-lighter);
}

.preview-title {
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--darker);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

#svg-preview {
    max-width: 100%;
    max-height: 150px;
    display: block;
    margin: 0 auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    background: white;
    padding: 0.75rem;
}

.empty-preview {
    color: var(--gray);
    text-align: center;
    padding: 1.5rem;
}

.empty-preview i {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.empty-preview p {
    font-size: 0.9rem;
}

.controls {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.control-group h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--darker);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group h3 i {
    color: var(--primary);
    font-size: 0.9rem;
}

.control-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

label {
    font-size: 0.85rem;
    color: var(--dark);
    min-width: 60px;
    font-weight: 500;
}

input[type="number"] {
    padding: 0.5rem;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-sm);
    width: 80px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--gray-light);
    border-radius: 4px;
    margin: 0.5rem 0;
    transition: var(--transition);
}

input[type="range"]:focus {
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--primary-light);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.1);
    background: var(--primary-light);
}

.preset-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-sm);
    background: white;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.preset-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.preset-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.results-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--gray-light);
    display: none;
    margin-top: 1.5rem;
}

.results-header {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-lighter);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.results-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--darker);
    font-size: 1rem;
}

.results-title i {
    color: var(--success);
}

.results-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem;
}

@media (max-width: 480px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
}

.result-item {
    background: var(--gray-lighter);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

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

.result-preview {
    padding: 0.75rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-light);
    background: white;
}

.result-preview img {
    max-width: 100%;
    max-height: 100px;
    display: block;
    margin: 0 auto;
}

.result-info {
    padding: 0.75rem;
}

.result-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.85rem;
}

.result-dimensions {
    font-size: 0.75rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.result-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-download {
    padding: 0.4rem 0.6rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    text-decoration: none;
}

.result-download:hover {
    background: var(--primary-light);
}

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--darker);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    max-width: 300px;
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.toast.success::before {
    background: var(--success);
}

.toast.error::before {
    background: var(--danger);
}

.toast.warning::before {
    background: var(--warning);
}

.toast.info::before {
    background: var(--info);
}

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

.toast i {
    font-size: 1rem;
    margin-top: 2px;
}

.toast.success i {
    color: var(--success);
}

.toast.error i {
    color: var(--danger);
}

.toast.warning i {
    color: var(--warning);
}

.toast.info i {
    color: var(--info);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
}

.toast-message {
    font-size: 0.8rem;
    opacity: 0.9;
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: white;
    opacity: 0.7;
    cursor: pointer;
    transition: opacity 0.2s ease;
    padding: 0.1rem;
    display: flex;
    font-size: 0.8rem;
}

.toast-close:hover {
    opacity: 1;
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
    width: 100%;
}

.toast-progress-bar {
    height: 100%;
    background: white;
    width: 100%;
    transition: width linear;
}

/* Blog Section */
.blog-section {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--gray-light);
    margin-top: 2rem;
    padding: 1.5rem;
}

.blog-section h2 {
    color: var(--darker);
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.feature-card {
    background: var(--gray-lighter);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.feature-card h3 {
    color: var(--darker);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .headerp h1 {
        font-size: 1.75rem;
    }
    
    .headerp h1 i {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .control-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    input[type="number"] {
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    
    .headerp h1 {
        font-size: 1.5rem;
    }
    
    .headerp .subtitle {
        font-size: 0.9rem;
    }
    
    .panel-header, .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .panel-actions, .results-actions {
        width: 100%;
        margin-top: 0.5rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation for buttons */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.btn-pulse {
    animation: pulse 2s infinite;
}

/* Aspect ratio lock indicator */
.ratio-locked {
    color: var(--primary);
    font-weight: 600;
}

/* Bulk actions */
.bulk-actions {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--gray-light);
    background: var(--gray-lighter);
    flex-wrap: wrap;
}