/* Tools Page Styles */

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tool-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: border-color 0.2s;
}

.tool-card:hover {
    border-color: var(--primary);
}

.tool-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tool-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tool-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
}

.tool-info h2 {
    font-size: 1.25rem;
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
}

.tool-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.tool-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Dropzone */
.dropzone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropzone:hover,
.dropzone.drag-over {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.dropzone-content svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-tertiary);
}

.image-preview {
    position: relative;
    width: 100%;
    max-height: 200px;
    overflow: hidden;
    border-radius: 8px;
}

.image-preview img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
}

.remove-image {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.remove-image:hover {
    background: var(--error);
}

.remove-image svg {
    width: 16px;
    height: 16px;
    stroke: white;
}

/* Tool Options */
.tool-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.checkbox-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.option-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

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

.scale-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

/* Buttons */
.btn {
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    border: none;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

.btn-primary:disabled {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

/* Results */
.tool-result {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.tool-result h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 1rem 0;
}

.result-preview {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    /* Checkerboard background for transparent images */
    background-image:
        linear-gradient(45deg, #333 25%, transparent 25%),
        linear-gradient(-45deg, #333 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #333 75%),
        linear-gradient(-45deg, transparent 75%, #333 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.result-preview img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.result-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
}

/* Error Message */
.error-message {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--error);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.close-error {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.8;
}

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

/* Processing Overlay */
.processing-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.processing-content {
    text-align: center;
    color: white;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.progress-bar {
    width: 200px;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    margin: 1rem auto;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.3s;
    width: 0%;
}

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

/* Responsive */
@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        padding: 1rem;
    }
}