/* 新设计的工具卡片样式 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.tool-card {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid #334155;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.tool-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border-color: var(--github-accent);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card-header {
    padding: 24px 24px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
}

.tool-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.tool-card:hover .tool-card-icon {
    transform: rotate(10deg) scale(1.1);
    box-shadow: 0 12px 24px rgba(59, 130, 246, 0.4);
}

.tool-card-title {
    font-size: 20px;
    font-weight: 700;
    flex: 1;
    background: linear-gradient(135deg, #e2e8f0, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-card-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
}

.tool-card-body {
    padding: 0 24px 24px;
}

.tool-card-description {
    color: #94a3b8;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 14px;
}

.tool-card-features {
    list-style: none;
    margin-bottom: 24px;
}

.tool-card-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #cbd5e1;
    font-size: 14px;
}

.tool-card-features li i {
    color: #10b981;
    font-size: 14px;
    width: 20px;
    transition: transform 0.2s ease;
}

.tool-card:hover .tool-card-features li i {
    transform: scale(1.2);
}

.tool-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid #334155;
}

.tool-card-stats {
    display: flex;
    gap: 20px;
}

.tool-card-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tool-card-stat-value {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-card-stat-label {
    font-size: 12px;
    color: #64748b;
}

/* 开发中卡片样式 */
.tool-card:last-child .tool-card-icon {
    background: linear-gradient(135deg, #6b7280, #4b5563);
}

.tool-card:last-child .tool-card-badge {
    background: linear-gradient(135deg, #6b7280, #4b5563);
}

.tool-card:last-child .tool-card-features li i {
    color: #6b7280;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-card-header {
        padding: 20px 20px 12px;
    }
    
    .tool-card-body {
        padding: 0 20px 20px;
    }
    
    .tool-card-footer {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    
    .tool-card-stats {
        justify-content: space-around;
    }
}