.page-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-16);
    display: flex;
    flex-direction: column;
    /* min-height: 100vh; */
}

.page-title {
    text-align: center;
    margin-bottom: var(--space-32);
    padding: var(--space-16) 0;
    animation: fadeIn 0.6s ease-out;
}

.page-title h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: var(--space-8);
    color: var(--text-primary);
}

.page-title p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-32);
}

.upload-container {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-32);
    animation: slideUp 0.5s ease-out;
}

.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-48) var(--space-16);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-16);
}

.dropzone:hover {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.03);
}

.dropzone.active {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

.upload-icon {
    margin-bottom: var(--space-16);
    animation: floatAnimation 2s ease-in-out infinite;
}

.upload-btn {
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.upload-btn:hover {
    text-decoration: underline;
}

.upload-info {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.editor-container {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-32);
    animation: slideUp 0.5s ease-out;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-24);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid var(--border-color);
}

.editor-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

.back-btn:hover {
    background-color: #f9fafb;
    border-color: var(--text-tertiary);
}

.image-preview-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-24);
    margin-bottom: var(--space-32);
}

@media (max-width: 768px) {
    .image-preview-container {
        grid-template-columns: 1fr;
    }
}

.image-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.image-preview h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.image-holder {
    background-color: #f9fafb;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-holder img, .image-holder svg {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.editor-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-32);
}

.color-replacements {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.color-replacements h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

#color-replacements-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
}

.color-pair {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    padding: var(--space-16);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: #f9fafb;
}

.color-picker-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.color-picker-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.color-picker {
    width: 100%;
    height: 35px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding-inline: 10px;
}

.color-picker input[type="color"] {
    width: 30px;
    height: 100%;
    border: none;
    padding: 0;
    background: none;
    cursor: pointer;
}

.color-picker .source-color-text {
    height: 80%;
    padding-inline: 10px;
}

.remove-color-btn {
    margin-left: auto;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    cursor: pointer;
    transition: var(--transition);
}

.remove-color-btn:hover {
    background-color: rgba(239, 68, 68, 0.2);
}

.add-color-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-16);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    width: fit-content;
}

.add-color-btn:hover {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.03);
}

.tolerance-control {
    margin-top: var(--space-16);
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.tolerance-control label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tolerance-control input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: linear-gradient(to right, var(--primary-color), var(--primary-color));
    border-radius: 10px;
    background-size: 20% 100%;
    background-repeat: no-repeat;
}

.tolerance-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.tolerance-control input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
}

.actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
    margin-top: var(--space-16);
}

.download-options {
    display: flex;
    gap: var(--space-16);
    align-items: center;
}

.primary-btn {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-24);
    border-radius: var(--radius-md);
    border: none;
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.primary-btn:hover {
    /* background-color: var(--primary-color-hover); */
}

.download-format select {
    padding: var(--space-12) var(--space-16);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.download-format select:hover, .download-format select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.edit-actions {
    display: flex;
    gap: var(--space-16);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

.action-btn:hover:not(:disabled) {
    background-color: #f9fafb;
    border-color: var(--text-tertiary);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.help-footer {
    margin-top: var(--space-32);
    text-align: center;
    padding: var(--space-16) 0;
}

.help-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

.help-btn:hover {
    background-color: #f9fafb;
    color: var(--text-secondary);
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-32);
    max-width: 600px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    top: var(--space-16);
    right: var(--space-16);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--text-primary);
}

.modal-content h2 {
    margin-bottom: var(--space-16);
    font-size: 1.5rem;
}

.target-color-text {
    height: 80%;
    padding-inline: 10px;
}

.modal-content ol {
    padding-left: var(--space-24);
}

.modal-content li {
    margin-bottom: var(--space-12);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Color notification */
.color-notification {
    background-color: var(--success-color);
    color: white;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-md);
    position: fixed;
    bottom: var(--space-32);
    left: 50%;
    transform: translateX(-50%);
    box-shadow: var(--shadow-md);
    z-index: 100;
    animation: slideUp 0.3s ease-out, fadeOut 0.5s ease-out 2s forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Responsive adjustments */
@media (max-width: 992px) {
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .upload-container, .editor-container {
        padding: var(--space-24);
    }
}

@media (max-width: 576px) {
    header h1 {
        font-size: 1.75rem;
    }
    
    .container {
        padding: var(--space-12);
    }
    
    .upload-container, .editor-container {
        padding: var(--space-16);
    }
    
    .dropzone {
        padding: var(--space-24) var(--space-12);
    }
    
    .download-options {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .edit-actions {
        flex-wrap: wrap;
    }
    
    .color-pair {
        flex-wrap: wrap;
    }
}