body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: system-ui, -apple-system, sans-serif;
}

.tool-card {
    transition: box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.tool-card-description {
    flex: 1;
}

.tool-card:hover {
    box-shadow: 0 10px 40px -10px rgb(0 0 0 / 0.15);
}

.dark .tool-card:hover {
    box-shadow: 0 10px 40px -10px rgb(255 255 255 / 0.1);
}

.dark-mode-toggle {
    width: 40px;
    height: 24px;
    background: #e5e7eb;
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s ease;
}

.dark .dark-mode-toggle {
    background: #4b5563;
}

.dark-mode-toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.3s ease;
}

.dark .dark-mode-toggle::after {
    transform: translateX(16px);
}

.tool-preview {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tool-preview:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dark .tool-preview:hover {
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.lightbox-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    animation: zoomIn 0.2s ease;
}

.lightbox-content img {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: opacity 0.2s ease;
}

.lightbox-close:hover {
    opacity: 0.7;
}

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

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.contact-link {
    text-decoration: underline;
    text-underline-offset: 4px;
}