/* ============================================
   Tool Layout — Wide, full-width app canvas
   No article styling, no max-width constraint.
   ============================================ */

.tool-canvas {
    width: 100%;
    max-width: 100%;
    min-height: calc(100vh - 70px);
    padding: 1.5rem;
    box-sizing: border-box;
}

/* Override .container constraints if someone nests one */
.tool-canvas .container {
    max-width: 100%;
    padding: 0;
}

/* Common tool UI patterns */
.tool-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.25rem;
}

.tool-grid {
    display: grid;
    gap: 1rem;
}

.tool-grid--2col { grid-template-columns: 1fr 1fr; }
.tool-grid--sidebar { grid-template-columns: 300px 1fr; }

@media (max-width: 768px) {
    .tool-grid--2col,
    .tool-grid--sidebar {
        grid-template-columns: 1fr;
    }
    .tool-canvas { padding: 1rem; }
}

/* Tool buttons */
.tool-btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1.5px solid var(--border-subtle);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.15s;
}
.tool-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
}
.tool-btn--primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}