.dev-tools-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
    padding: 2.5rem 0 2rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.dev-tools-search {
    max-width: 480px;
    margin: 0 auto 1.5rem;
    border-radius: 999px;
    padding: 0.65rem 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background: rgba(15, 23, 42, 0.6);
    color: inherit;
}

.dev-tools-cat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.8rem;
    text-decoration: none;
    border: 1px solid rgba(148, 163, 184, 0.25);
    color: inherit;
    margin: 0.2rem;
    transition: border-color 0.15s, background 0.15s;
}

.dev-tools-cat-pill:hover {
    border-color: #818cf8;
    color: inherit;
    background: rgba(99, 102, 241, 0.1);
}

.dev-tool-card {
    display: block;
    height: 100%;
    padding: 1.1rem;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.15);
    background: rgba(15, 23, 42, 0.45);
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s, border-color 0.15s;
}

.dev-tool-card:hover {
    transform: translateY(-3px);
    border-color: rgba(129, 140, 248, 0.45);
    color: inherit;
}

.dev-tool-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.dev-tool-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.dev-tool-card p {
    font-size: 0.8rem;
    color: #94a3b8;
    margin: 0;
    line-height: 1.45;
}

.dev-tool-new {
    font-size: 0.65rem;
    background: #22c55e;
    color: #052e16;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-weight: 700;
    vertical-align: middle;
}

.dt-textarea, .dt-pre {
    width: 100%;
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 0.85rem;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(2, 6, 23, 0.5);
    color: inherit;
    resize: vertical;
}

.dt-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .dt-split { grid-template-columns: 1fr; }
}

.dt-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #94a3b8;
    display: block;
    margin-bottom: 0.35rem;
}

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

.dt-preview {
    min-height: 280px;
    background: rgba(2, 6, 23, 0.35);
}

.dev-tool-page-panel {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.15);
    border-radius: 12px;
    padding: 1.5rem;
}

.dev-tools-faq details {
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
}