.btn {
    background: rgba(60, 60, 60, 0.85);
    border: 1px solid #555;
    color: var(--text-main);
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
    background: rgba(90, 90, 90, 0.95);
}

.btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.btn-accent,
.paletteBtn.active,
.tile-btn.active {
    background: var(--accent);
    color: #111;
    border-color: var(--accent);
    font-weight: 700;
}

#devMenuBtn {
    background: var(--accent);
    border: 1px solid rgba(0, 0, 0, 0.4);
    /* grounds it */
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    /* subtle depth */
    padding: 8px 14px;
    border-radius: 8px;
    font-weight: 600;
}

.devLink {
    display: block;
    padding: 8px 10px;
    border-radius: 6px;
    color: #ddd;
    text-decoration: none;
    transition: all 0.15s ease;
}

.devLink:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}