.tool-container {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tool-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
}

.tool-panel h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--accent);
    letter-spacing: 0.05em;
}

.tool-panel textarea {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1rem;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    resize: vertical;
    min-height: 150px;
}

.tool-panel textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.tool-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tool-controls button,
.copy-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.65rem 1.25rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.tool-controls button:hover,
.copy-btn:hover {
    background: var(--accent);
    color: #1a1c20;
    border-color: var(--accent);
}

.copy-btn {
    margin-top: 1rem;
    width: 100%;
}